diff --git a/.github/workflows/ci_ubuntu.yaml b/.github/workflows/ci_ubuntu.yaml
index 704ab0630..807eef19f 100644
--- a/.github/workflows/ci_ubuntu.yaml
+++ b/.github/workflows/ci_ubuntu.yaml
@@ -21,7 +21,7 @@ jobs:
       matrix:
         libt_version: ["2.0.11", "1.2.20"]
         qbt_gui: ["GUI=ON", "GUI=OFF"]
-        qt_version: ["6.5.2"]
+        qt_version: ["6.6.3"]
 
     env:
       boost_path: "${{ github.workspace }}/../boost"
@@ -162,6 +162,7 @@ jobs:
 
       - name: Package AppImage
         run: |
+          rm -f "${{ runner.workspace }}/Qt/${{ matrix.qt_version }}/gcc_64/plugins/sqldrivers/libqsqlmimer.so"
           ./linuxdeploy-x86_64.AppImage --appdir qbittorrent --plugin qt
           rm qbittorrent/apprun-hooks/*
           cp .github/workflows/helper/appimage/export_vars.sh qbittorrent/apprun-hooks/export_vars.sh
diff --git a/.github/workflows/coverity-scan.yaml b/.github/workflows/coverity-scan.yaml
index ce970c773..22c5a7082 100644
--- a/.github/workflows/coverity-scan.yaml
+++ b/.github/workflows/coverity-scan.yaml
@@ -16,7 +16,7 @@ jobs:
       matrix:
         libt_version: ["2.0.11"]
         qbt_gui: ["GUI=ON"]
-        qt_version: ["6.5.2"]
+        qt_version: ["6.6.3"]
 
     env:
       boost_path: "${{ github.workspace }}/../boost"
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 86ede6b3c..97ecb3684 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@ project(qBittorrent
 
 # version requirements - older versions may work, but you are on your own
 set(minBoostVersion 1.76)
-set(minQt6Version 6.5.0)
+set(minQt6Version 6.6.0)
 set(minOpenSSLVersion 3.0.2)
 set(minLibtorrent1Version 1.2.19)
 set(minLibtorrentVersion 2.0.10)
diff --git a/INSTALL b/INSTALL
index ec3ff78ea..b17e323fb 100644
--- a/INSTALL
+++ b/INSTALL
@@ -11,7 +11,7 @@ qBittorrent - A BitTorrent client in C++ / Qt
 
   - OpenSSL >= 3.0.2
 
-  - Qt 6.5.0 - 6.x
+  - Qt 6.6.0 - 6.x
 
   - zlib >= 1.2.11
 
diff --git a/cmake/Modules/CommonConfig.cmake b/cmake/Modules/CommonConfig.cmake
index b57dc4bcf..85535313a 100644
--- a/cmake/Modules/CommonConfig.cmake
+++ b/cmake/Modules/CommonConfig.cmake
@@ -20,7 +20,7 @@ target_compile_features(qbt_common_cfg INTERFACE
 )
 
 target_compile_definitions(qbt_common_cfg INTERFACE
-    QT_DISABLE_DEPRECATED_UP_TO=0x060500
+    QT_DISABLE_DEPRECATED_UP_TO=0x060600
     QT_NO_CAST_FROM_ASCII
     QT_NO_CAST_TO_ASCII
     QT_NO_CAST_FROM_BYTEARRAY
diff --git a/src/app/application.cpp b/src/app/application.cpp
index 90e785e1a..a6666c57e 100644
--- a/src/app/application.cpp
+++ b/src/app/application.cpp
@@ -674,9 +674,7 @@ void Application::runExternalProgram(const QString &programTemplate, const BitTo
     QProcess proc;
     proc.setProgram(command);
     proc.setArguments(args);
-#if defined(Q_OS_UNIX) && (QT_VERSION >= QT_VERSION_CHECK(6, 6, 0))
     proc.setUnixProcessParameters(QProcess::UnixProcessFlag::CloseFileDescriptors);
-#endif
 
     if (proc.startDetached())
     {
diff --git a/src/base/bittorrent/filesearcher.cpp b/src/base/bittorrent/filesearcher.cpp
index 2fcd31f8f..e7241b889 100644
--- a/src/base/bittorrent/filesearcher.cpp
+++ b/src/base/bittorrent/filesearcher.cpp
@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2020  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2020-2025  Vladimir Golovnev <glassez@yandex.ru>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -27,13 +27,14 @@
  */
 
 #include "filesearcher.h"
-#include "base/bittorrent/common.h"
-#include "base/bittorrent/infohash.h"
 
-void FileSearcher::search(const BitTorrent::TorrentID &id, const PathList &originalFileNames
-                          , const Path &savePath, const Path &downloadPath, const bool forceAppendExt)
+#include <QPromise>
+
+#include "base/bittorrent/common.h"
+
+namespace
 {
-    const auto findInDir = [](const Path &dirPath, PathList &fileNames, const bool forceAppendExt) -> bool
+    bool findInDir(const Path &dirPath, PathList &fileNames, const bool forceAppendExt)
     {
         bool found = false;
         for (Path &fileName : fileNames)
@@ -58,8 +59,12 @@ void FileSearcher::search(const BitTorrent::TorrentID &id, const PathList &origi
         }
 
         return found;
-    };
+    }
+}
 
+void FileSearcher::search(const PathList &originalFileNames, const Path &savePath
+        , const Path &downloadPath, const bool forceAppendExt, QPromise<FileSearchResult> &promise)
+{
     Path usedPath = savePath;
     PathList adjustedFileNames = originalFileNames;
     const bool found = findInDir(usedPath, adjustedFileNames, (forceAppendExt && downloadPath.isEmpty()));
@@ -69,5 +74,5 @@ void FileSearcher::search(const BitTorrent::TorrentID &id, const PathList &origi
         findInDir(usedPath, adjustedFileNames, forceAppendExt);
     }
 
-    emit searchFinished(id, usedPath, adjustedFileNames);
+    promise.addResult(FileSearchResult {.savePath = usedPath, .fileNames = adjustedFileNames});
 }
diff --git a/src/base/bittorrent/filesearcher.h b/src/base/bittorrent/filesearcher.h
index 04495bd76..f225b95dc 100644
--- a/src/base/bittorrent/filesearcher.h
+++ b/src/base/bittorrent/filesearcher.h
@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2020  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2020-2025  Vladimir Golovnev <glassez@yandex.ru>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -32,10 +32,13 @@
 
 #include "base/path.h"
 
-namespace BitTorrent
+template <typename T> class QPromise;
+
+struct FileSearchResult
 {
-    class TorrentID;
-}
+    Path savePath;
+    PathList fileNames;
+};
 
 class FileSearcher final : public QObject
 {
@@ -43,12 +46,8 @@ class FileSearcher final : public QObject
     Q_DISABLE_COPY_MOVE(FileSearcher)
 
 public:
-    FileSearcher() = default;
+    using QObject::QObject;
 
-public slots:
-    void search(const BitTorrent::TorrentID &id, const PathList &originalFileNames
-                , const Path &savePath, const Path &downloadPath, bool forceAppendExt);
-
-signals:
-    void searchFinished(const BitTorrent::TorrentID &id, const Path &savePath, const PathList &fileNames);
+    void search(const PathList &originalFileNames, const Path &savePath
+            , const Path &downloadPath, bool forceAppendExt, QPromise<FileSearchResult> &promise);
 };
diff --git a/src/base/bittorrent/sessionimpl.cpp b/src/base/bittorrent/sessionimpl.cpp
index 64d274f19..bc3fca77e 100644
--- a/src/base/bittorrent/sessionimpl.cpp
+++ b/src/base/bittorrent/sessionimpl.cpp
@@ -61,6 +61,7 @@
 #include <QDeadlineTimer>
 #include <QDebug>
 #include <QDir>
+#include <QFuture>
 #include <QHostAddress>
 #include <QJsonArray>
 #include <QJsonDocument>
@@ -69,6 +70,7 @@
 #include <QMutexLocker>
 #include <QNetworkAddressEntry>
 #include <QNetworkInterface>
+#include <QPromise>
 #include <QRegularExpression>
 #include <QString>
 #include <QThread>
@@ -470,11 +472,11 @@ SessionImpl::SessionImpl(QObject *parent)
     , m_additionalTrackers(BITTORRENT_SESSION_KEY(u"AdditionalTrackers"_s))
     , m_isAddTrackersFromURLEnabled(BITTORRENT_SESSION_KEY(u"AddTrackersFromURLEnabled"_s), false)
     , m_additionalTrackersURL(BITTORRENT_SESSION_KEY(u"AdditionalTrackersURL"_s))
-    , m_globalMaxRatio(BITTORRENT_SESSION_KEY(u"GlobalMaxRatio"_s), -1, [](qreal r) { return r < 0 ? -1. : r;})
-    , m_globalMaxSeedingMinutes(BITTORRENT_SESSION_KEY(u"GlobalMaxSeedingMinutes"_s), Torrent::NO_SEEDING_TIME_LIMIT
-        , clampValue(Torrent::NO_SEEDING_TIME_LIMIT, Torrent::MAX_SEEDING_TIME))
-    , m_globalMaxInactiveSeedingMinutes(BITTORRENT_SESSION_KEY(u"GlobalMaxInactiveSeedingMinutes"_s), Torrent::NO_INACTIVE_SEEDING_TIME_LIMIT
-        , clampValue(Torrent::NO_INACTIVE_SEEDING_TIME_LIMIT, Torrent::MAX_INACTIVE_SEEDING_TIME))
+    , m_globalMaxRatio(BITTORRENT_SESSION_KEY(u"GlobalMaxRatio"_s), -1, [](qreal r) { return r < 0 ? -1. : r; })
+    , m_globalMaxSeedingMinutes(BITTORRENT_SESSION_KEY(u"GlobalMaxSeedingMinutes"_s)
+        , Torrent::NO_SEEDING_TIME_LIMIT, lowerLimited(Torrent::NO_SEEDING_TIME_LIMIT))
+    , m_globalMaxInactiveSeedingMinutes(BITTORRENT_SESSION_KEY(u"GlobalMaxInactiveSeedingMinutes"_s)
+        , Torrent::NO_INACTIVE_SEEDING_TIME_LIMIT, lowerLimited(Torrent::NO_INACTIVE_SEEDING_TIME_LIMIT))
     , m_isAddTorrentToQueueTop(BITTORRENT_SESSION_KEY(u"AddTorrentToTopOfQueue"_s), false)
     , m_isAddTorrentStopped(BITTORRENT_SESSION_KEY(u"AddTorrentStopped"_s), false)
     , m_torrentStopCondition(BITTORRENT_SESSION_KEY(u"TorrentStopCondition"_s), Torrent::StopCondition::None)
@@ -622,7 +624,6 @@ SessionImpl::SessionImpl(QObject *parent)
     m_fileSearcher = new FileSearcher;
     m_fileSearcher->moveToThread(m_ioThread.get());
     connect(m_ioThread.get(), &QThread::finished, m_fileSearcher, &QObject::deleteLater);
-    connect(m_fileSearcher, &FileSearcher::searchFinished, this, &SessionImpl::fileSearchFinished);
 
     m_torrentContentRemover = new TorrentContentRemover;
     m_torrentContentRemover->moveToThread(m_ioThread.get());
@@ -1241,7 +1242,7 @@ qreal SessionImpl::globalMaxRatio() const
 void SessionImpl::setGlobalMaxRatio(qreal ratio)
 {
     if (ratio < 0)
-        ratio = -1.;
+        ratio = Torrent::NO_RATIO_LIMIT;
 
     if (ratio != globalMaxRatio())
     {
@@ -1257,7 +1258,7 @@ int SessionImpl::globalMaxSeedingMinutes() const
 
 void SessionImpl::setGlobalMaxSeedingMinutes(int minutes)
 {
-    minutes = std::clamp(minutes, Torrent::NO_SEEDING_TIME_LIMIT, Torrent::MAX_SEEDING_TIME);
+    minutes = std::max(minutes, Torrent::NO_SEEDING_TIME_LIMIT);
 
     if (minutes != globalMaxSeedingMinutes())
     {
@@ -1273,7 +1274,7 @@ int SessionImpl::globalMaxInactiveSeedingMinutes() const
 
 void SessionImpl::setGlobalMaxInactiveSeedingMinutes(int minutes)
 {
-    minutes = std::clamp(minutes, Torrent::NO_INACTIVE_SEEDING_TIME_LIMIT, Torrent::MAX_INACTIVE_SEEDING_TIME);
+    minutes = std::max(minutes, Torrent::NO_INACTIVE_SEEDING_TIME_LIMIT);
 
     if (minutes != globalMaxInactiveSeedingMinutes())
     {
@@ -1642,11 +1643,7 @@ void SessionImpl::endStartup(ResumeSessionContext *context)
         auto wakeupCheckTimer = new QTimer(this);
         connect(wakeupCheckTimer, &QTimer::timeout, this, [this]
         {
-#if (QT_VERSION >= QT_VERSION_CHECK(6, 6, 0))
             const bool hasSystemSlept = m_wakeupCheckTimestamp.durationElapsed() > 100s;
-#else
-            const bool hasSystemSlept = m_wakeupCheckTimestamp.elapsed() > std::chrono::milliseconds(100s).count();
-#endif
             if (hasSystemSlept)
             {
                 LogMsg(tr("System wake-up event detected. Re-announcing to all the trackers..."));
@@ -2334,19 +2331,19 @@ void SessionImpl::processTorrentShareLimits(TorrentImpl *torrent)
     QString description;
 
     if (const qreal ratio = torrent->realRatio();
-            (ratioLimit >= 0) && (ratio <= Torrent::MAX_RATIO) && (ratio >= ratioLimit))
+            (ratioLimit >= 0) && (ratio >= ratioLimit))
     {
         reached = true;
         description = tr("Torrent reached the share ratio limit.");
     }
     else if (const qlonglong seedingTimeInMinutes = torrent->finishedTime() / 60;
-            (seedingTimeLimit >= 0) && (seedingTimeInMinutes <= Torrent::MAX_SEEDING_TIME) && (seedingTimeInMinutes >= seedingTimeLimit))
+            (seedingTimeLimit >= 0) && (seedingTimeInMinutes >= seedingTimeLimit))
     {
         reached = true;
         description = tr("Torrent reached the seeding time limit.");
     }
     else if (const qlonglong inactiveSeedingTimeInMinutes = torrent->timeSinceActivity() / 60;
-            (inactiveSeedingTimeLimit >= 0) && (inactiveSeedingTimeInMinutes <= Torrent::MAX_INACTIVE_SEEDING_TIME) && (inactiveSeedingTimeInMinutes >= inactiveSeedingTimeLimit))
+            (inactiveSeedingTimeLimit >= 0) && (inactiveSeedingTimeInMinutes >= inactiveSeedingTimeLimit))
     {
         reached = true;
         description = tr("Torrent reached the inactive seeding time limit.");
@@ -2380,31 +2377,6 @@ void SessionImpl::processTorrentShareLimits(TorrentImpl *torrent)
     }
 }
 
-void SessionImpl::fileSearchFinished(const TorrentID &id, const Path &savePath, const PathList &fileNames)
-{
-    TorrentImpl *torrent = m_torrents.value(id);
-    if (torrent)
-    {
-        torrent->fileSearchFinished(savePath, fileNames);
-        return;
-    }
-
-    const auto loadingTorrentsIter = m_loadingTorrents.find(id);
-    if (loadingTorrentsIter != m_loadingTorrents.end())
-    {
-        LoadTorrentParams &params = loadingTorrentsIter.value();
-        lt::add_torrent_params &p = params.ltAddTorrentParams;
-
-        p.save_path = savePath.toString().toStdString();
-        const TorrentInfo torrentInfo {*p.ti};
-        const auto nativeIndexes = torrentInfo.nativeIndexes();
-        for (int i = 0; i < fileNames.size(); ++i)
-            p.renamed_files[nativeIndexes[i]] = fileNames[i].toString().toStdString();
-
-        m_nativeSession->async_add_torrent(p);
-    }
-}
-
 void SessionImpl::torrentContentRemovingFinished(const QString &torrentName, const QString &errorMessage)
 {
     if (errorMessage.isEmpty())
@@ -2832,11 +2804,12 @@ bool SessionImpl::addTorrent_impl(const TorrentDescriptor &source, const AddTorr
     lt::add_torrent_params &p = loadTorrentParams.ltAddTorrentParams;
     p = source.ltAddTorrentParams();
 
-    bool isFindingIncompleteFiles = false;
-
     const bool useAutoTMM = loadTorrentParams.useAutoTMM;
     const Path actualSavePath = useAutoTMM ? categorySavePath(loadTorrentParams.category) : loadTorrentParams.savePath;
 
+    bool needFindIncompleteFiles = false;
+    PathList filePaths;
+
     if (hasMetadata)
     {
         // Torrent  that is being added with metadata is considered to be added as stopped
@@ -2851,7 +2824,7 @@ bool SessionImpl::addTorrent_impl(const TorrentDescriptor &source, const AddTorr
 
         Q_ASSERT(addTorrentParams.filePaths.isEmpty() || (addTorrentParams.filePaths.size() == torrentInfo.filesCount()));
 
-        PathList filePaths = addTorrentParams.filePaths;
+        filePaths = addTorrentParams.filePaths;
         if (filePaths.isEmpty())
         {
             filePaths = torrentInfo.filePaths();
@@ -2897,13 +2870,9 @@ bool SessionImpl::addTorrent_impl(const TorrentDescriptor &source, const AddTorr
 
         if (!loadTorrentParams.hasFinishedStatus)
         {
-            const Path actualDownloadPath = useAutoTMM
-                    ? categoryDownloadPath(loadTorrentParams.category) : loadTorrentParams.downloadPath;
-            findIncompleteFiles(torrentInfo, actualSavePath, actualDownloadPath, filePaths);
-            isFindingIncompleteFiles = true;
+            needFindIncompleteFiles = true;
         }
-
-        if (!isFindingIncompleteFiles)
+        else
         {
             for (int index = 0; index < filePaths.size(); ++index)
                 p.renamed_files[nativeIndexes[index]] = filePaths.at(index).toString().toStdString();
@@ -3002,23 +2971,51 @@ bool SessionImpl::addTorrent_impl(const TorrentDescriptor &source, const AddTorr
     m_loadingTorrents.insert(id, loadTorrentParams);
     if (infoHash.isHybrid())
         m_hybridTorrentsByAltID.insert(altID, nullptr);
-    if (!isFindingIncompleteFiles)
+
+    if (needFindIncompleteFiles)
+    {
+        const Path actualDownloadPath = useAutoTMM
+                ? categoryDownloadPath(loadTorrentParams.category) : loadTorrentParams.downloadPath;
+        findIncompleteFiles(actualSavePath, actualDownloadPath, filePaths).then(this
+                , [this, id](const FileSearchResult &result)
+        {
+            const auto loadingTorrentsIter = m_loadingTorrents.find(id);
+            Q_ASSERT(loadingTorrentsIter != m_loadingTorrents.end());
+            if (loadingTorrentsIter == m_loadingTorrents.end()) [[unlikely]]
+                return;
+
+            LoadTorrentParams &params = loadingTorrentsIter.value();
+            lt::add_torrent_params &p = params.ltAddTorrentParams;
+
+            p.save_path = result.savePath.toString().toStdString();
+            const TorrentInfo torrentInfo {*p.ti};
+            const auto nativeIndexes = torrentInfo.nativeIndexes();
+            for (int i = 0; i < result.fileNames.size(); ++i)
+                p.renamed_files[nativeIndexes[i]] = result.fileNames[i].toString().toStdString();
+
+            m_nativeSession->async_add_torrent(p);
+        });
+    }
+    else
+    {
         m_nativeSession->async_add_torrent(p);
+    }
 
     return true;
 }
 
-void SessionImpl::findIncompleteFiles(const TorrentInfo &torrentInfo, const Path &savePath
-        , const Path &downloadPath, const PathList &filePaths) const
+QFuture<FileSearchResult> SessionImpl::findIncompleteFiles(const Path &savePath, const Path &downloadPath, const PathList &filePaths) const
 {
-    Q_ASSERT(filePaths.isEmpty() || (filePaths.size() == torrentInfo.filesCount()));
-
-    const auto searchId = TorrentID::fromInfoHash(torrentInfo.infoHash());
-    const PathList originalFileNames = (filePaths.isEmpty() ? torrentInfo.filePaths() : filePaths);
-    QMetaObject::invokeMethod(m_fileSearcher, [=, this]
+    QPromise<FileSearchResult> promise;
+    QFuture<FileSearchResult> future = promise.future();
+    promise.start();
+    QMetaObject::invokeMethod(m_fileSearcher, [=, this, promise = std::move(promise)]() mutable
     {
-        m_fileSearcher->search(searchId, originalFileNames, savePath, downloadPath, isAppendExtensionEnabled());
+        m_fileSearcher->search(filePaths, savePath, downloadPath, isAppendExtensionEnabled(), promise);
+        promise.finish();
     });
+
+    return future;
 }
 
 void SessionImpl::enablePortMapping()
diff --git a/src/base/bittorrent/sessionimpl.h b/src/base/bittorrent/sessionimpl.h
index 1ad2108ff..e878cf4a6 100644
--- a/src/base/bittorrent/sessionimpl.h
+++ b/src/base/bittorrent/sessionimpl.h
@@ -61,12 +61,16 @@ class QString;
 class QTimer;
 class QUrl;
 
+template <typename T> class QFuture;
+
 class BandwidthScheduler;
 class FileSearcher;
 class FilterParserThread;
 class FreeDiskSpaceChecker;
 class NativeSessionExtension;
 
+struct FileSearchResult;
+
 namespace BitTorrent
 {
     enum class MoveStorageMode;
@@ -478,8 +482,7 @@ namespace BitTorrent
 
         bool addMoveTorrentStorageJob(TorrentImpl *torrent, const Path &newPath, MoveStorageMode mode, MoveStorageContext context);
 
-        void findIncompleteFiles(const TorrentInfo &torrentInfo, const Path &savePath
-                                 , const Path &downloadPath, const PathList &filePaths = {}) const;
+        QFuture<FileSearchResult> findIncompleteFiles(const Path &savePath, const Path &downloadPath, const PathList &filePaths = {}) const;
 
         void enablePortMapping();
         void disablePortMapping();
@@ -514,7 +517,6 @@ namespace BitTorrent
         void generateResumeData();
         void handleIPFilterParsed(int ruleCount);
         void handleIPFilterError();
-        void fileSearchFinished(const TorrentID &id, const Path &savePath, const PathList &fileNames);
         void torrentContentRemovingFinished(const QString &torrentName, const QString &errorMessage);
 
     private:
diff --git a/src/base/bittorrent/torrent.cpp b/src/base/bittorrent/torrent.cpp
index c92fb9aea..b8098d77f 100644
--- a/src/base/bittorrent/torrent.cpp
+++ b/src/base/bittorrent/torrent.cpp
@@ -29,6 +29,8 @@
 
 #include "torrent.h"
 
+#include <limits>
+
 #include <QHash>
 
 #include "infohash.h"
@@ -51,9 +53,7 @@ namespace BitTorrent
     const int Torrent::USE_GLOBAL_INACTIVE_SEEDING_TIME = -2;
     const int Torrent::NO_INACTIVE_SEEDING_TIME_LIMIT = -1;
 
-    const qreal Torrent::MAX_RATIO = 9999;
-    const int Torrent::MAX_SEEDING_TIME = 525600;
-    const int Torrent::MAX_INACTIVE_SEEDING_TIME = 525600;
+    const qreal Torrent::MAX_RATIO = std::numeric_limits<qreal>::infinity();
 
     TorrentID Torrent::id() const
     {
diff --git a/src/base/bittorrent/torrent.h b/src/base/bittorrent/torrent.h
index d2eefbabf..644af158b 100644
--- a/src/base/bittorrent/torrent.h
+++ b/src/base/bittorrent/torrent.h
@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015-2024  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2015-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
  *
  * This program is free software; you can redistribute it and/or
@@ -45,6 +45,8 @@ class QByteArray;
 class QDateTime;
 class QUrl;
 
+template <typename T> class QFuture;
+
 namespace BitTorrent
 {
     enum class DownloadPriority;
@@ -132,8 +134,6 @@ namespace BitTorrent
         static const int NO_INACTIVE_SEEDING_TIME_LIMIT;
 
         static const qreal MAX_RATIO;
-        static const int MAX_SEEDING_TIME;
-        static const int MAX_INACTIVE_SEEDING_TIME;
 
         using TorrentContentHandler::TorrentContentHandler;
 
@@ -275,10 +275,7 @@ namespace BitTorrent
         virtual bool isDHTDisabled() const = 0;
         virtual bool isPEXDisabled() const = 0;
         virtual bool isLSDDisabled() const = 0;
-        virtual QList<PeerInfo> peers() const = 0;
         virtual QBitArray pieces() const = 0;
-        virtual QBitArray downloadingPieces() const = 0;
-        virtual QList<int> pieceAvailability() const = 0;
         virtual qreal distributedCopies() const = 0;
         virtual qreal maxRatio() const = 0;
         virtual int maxSeedingTime() const = 0;
@@ -325,10 +322,10 @@ namespace BitTorrent
         virtual nonstd::expected<QByteArray, QString> exportToBuffer() const = 0;
         virtual nonstd::expected<void, QString> exportToFile(const Path &path) const = 0;
 
-        virtual void fetchPeerInfo(std::function<void (QList<PeerInfo>)> resultHandler) const = 0;
-        virtual void fetchURLSeeds(std::function<void (QList<QUrl>)> resultHandler) const = 0;
-        virtual void fetchPieceAvailability(std::function<void (QList<int>)> resultHandler) const = 0;
-        virtual void fetchDownloadingPieces(std::function<void (QBitArray)> resultHandler) const = 0;
+        virtual QFuture<QList<PeerInfo>> fetchPeerInfo() const = 0;
+        virtual QFuture<QList<QUrl>> fetchURLSeeds() const = 0;
+        virtual QFuture<QList<int>> fetchPieceAvailability() const = 0;
+        virtual QFuture<QBitArray> fetchDownloadingPieces() const = 0;
 
         TorrentID id() const;
         bool isRunning() const;
diff --git a/src/base/bittorrent/torrentcontenthandler.h b/src/base/bittorrent/torrentcontenthandler.h
index 2e3702d2c..350db753e 100644
--- a/src/base/bittorrent/torrentcontenthandler.h
+++ b/src/base/bittorrent/torrentcontenthandler.h
@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2022-2023  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2022-2025  Vladimir Golovnev <glassez@yandex.ru>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -34,6 +34,8 @@
 #include "abstractfilestorage.h"
 #include "downloadpriority.h"
 
+template <typename T> class QFuture;
+
 namespace BitTorrent
 {
     class TorrentContentHandler : public QObject, public AbstractFileStorage
@@ -52,8 +54,7 @@ namespace BitTorrent
          * This is not the same as torrrent availability, it is just a fraction of pieces
          * that can be downloaded right now. It varies between 0 to 1.
          */
-        virtual QList<qreal> availableFileFractions() const = 0;
-        virtual void fetchAvailableFileFractions(std::function<void (QList<qreal>)> resultHandler) const = 0;
+        virtual QFuture<QList<qreal>> fetchAvailableFileFractions() const = 0;
 
         virtual void prioritizeFiles(const QList<DownloadPriority> &priorities) = 0;
         virtual void flushCache() const = 0;
diff --git a/src/base/bittorrent/torrentimpl.cpp b/src/base/bittorrent/torrentimpl.cpp
index 45cc7f3bf..03ca62eca 100644
--- a/src/base/bittorrent/torrentimpl.cpp
+++ b/src/base/bittorrent/torrentimpl.cpp
@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2015-2024  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2015-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
  *
  * This program is free software; you can redistribute it and/or
@@ -51,7 +51,9 @@
 #include <QByteArray>
 #include <QCache>
 #include <QDebug>
+#include <QFuture>
 #include <QPointer>
+#include <QPromise>
 #include <QSet>
 #include <QStringList>
 #include <QUrl>
@@ -67,6 +69,7 @@
 #include "common.h"
 #include "downloadpriority.h"
 #include "extensiondata.h"
+#include "filesearcher.h"
 #include "loadtorrentparams.h"
 #include "ltqbitarray.h"
 #include "lttypecast.h"
@@ -1465,48 +1468,11 @@ bool TorrentImpl::isLSDDisabled() const
     return static_cast<bool>(m_nativeStatus.flags & lt::torrent_flags::disable_lsd);
 }
 
-QList<PeerInfo> TorrentImpl::peers() const
-{
-    std::vector<lt::peer_info> nativePeers;
-    m_nativeHandle.get_peer_info(nativePeers);
-
-    QList<PeerInfo> peers;
-    peers.reserve(static_cast<decltype(peers)::size_type>(nativePeers.size()));
-
-    for (const lt::peer_info &peer : nativePeers)
-        peers.append(PeerInfo(peer, pieces()));
-
-    return peers;
-}
-
 QBitArray TorrentImpl::pieces() const
 {
     return m_pieces;
 }
 
-QBitArray TorrentImpl::downloadingPieces() const
-{
-    if (!hasMetadata())
-        return {};
-
-    std::vector<lt::partial_piece_info> queue;
-    m_nativeHandle.get_download_queue(queue);
-
-    QBitArray result {piecesCount()};
-    for (const lt::partial_piece_info &info : queue)
-        result.setBit(LT::toUnderlyingType(info.piece_index));
-
-    return result;
-}
-
-QList<int> TorrentImpl::pieceAvailability() const
-{
-    std::vector<int> avail;
-    m_nativeHandle.piece_availability(avail);
-
-    return {avail.cbegin(), avail.cend()};
-}
-
 qreal TorrentImpl::distributedCopies() const
 {
     return m_nativeStatus.distributed_copies;
@@ -1549,7 +1515,8 @@ qreal TorrentImpl::realRatio() const
 
     const qreal ratio = upload / static_cast<qreal>(download);
     Q_ASSERT(ratio >= 0);
-    return (ratio > MAX_RATIO) ? MAX_RATIO : ratio;
+
+    return ratio;
 }
 
 int TorrentImpl::uploadPayloadRate() const
@@ -1751,12 +1718,6 @@ void TorrentImpl::applyFirstLastPiecePriority(const bool enabled)
     m_nativeHandle.prioritize_pieces(piecePriorities);
 }
 
-void TorrentImpl::fileSearchFinished(const Path &savePath, const PathList &fileNames)
-{
-    if (m_maintenanceJob == MaintenanceJob::HandleMetadata)
-        endReceivedMetadataHandling(savePath, fileNames);
-}
-
 TrackerEntryStatus TorrentImpl::updateTrackerEntryStatus(const lt::announce_entry &announceEntry, const QHash<lt::tcp::endpoint, QMap<int, int>> &updateInfo)
 {
     const auto it = std::find_if(m_trackerEntryStatuses.begin(), m_trackerEntryStatuses.end()
@@ -2150,7 +2111,7 @@ void TorrentImpl::handleSaveResumeDataAlert(const lt::save_resume_data_alert *p)
         // URL seed list have been changed by libtorrent for some reason, so we need to update cached one.
         // Unfortunately, URL seed list containing in "resume data" is generated according to different rules
         // than the list we usually cache, so we have to request it from the appropriate source.
-        fetchURLSeeds([this](const QList<QUrl> &urlSeeds) { m_urlSeeds = urlSeeds; });
+        fetchURLSeeds().then(this, [this](const QList<QUrl> &urlSeeds) { m_urlSeeds = urlSeeds; });
     }
 
     if ((m_maintenanceJob == MaintenanceJob::HandleMetadata) && p->params.ti)
@@ -2197,7 +2158,12 @@ void TorrentImpl::handleSaveResumeDataAlert(const lt::save_resume_data_alert *p)
                 filePaths[i] = Path(it->second);
         }
 
-        m_session->findIncompleteFiles(metadata, savePath(), downloadPath(), filePaths);
+        m_session->findIncompleteFiles(savePath(), downloadPath(), filePaths).then(this
+                , [this](const FileSearchResult &result)
+        {
+            if (m_maintenanceJob == MaintenanceJob::HandleMetadata)
+                endReceivedMetadataHandling(result.savePath, result.fileNames);
+        });
     }
     else
     {
@@ -2712,8 +2678,6 @@ void TorrentImpl::setRatioLimit(qreal limit)
 {
     if (limit < USE_GLOBAL_RATIO)
         limit = NO_RATIO_LIMIT;
-    else if (limit > MAX_RATIO)
-        limit = MAX_RATIO;
 
     if (m_ratioLimit != limit)
     {
@@ -2727,8 +2691,6 @@ void TorrentImpl::setSeedingTimeLimit(int limit)
 {
     if (limit < USE_GLOBAL_SEEDING_TIME)
         limit = NO_SEEDING_TIME_LIMIT;
-    else if (limit > MAX_SEEDING_TIME)
-        limit = MAX_SEEDING_TIME;
 
     if (m_seedingTimeLimit != limit)
     {
@@ -2742,8 +2704,6 @@ void TorrentImpl::setInactiveSeedingTimeLimit(int limit)
 {
     if (limit < USE_GLOBAL_INACTIVE_SEEDING_TIME)
         limit = NO_INACTIVE_SEEDING_TIME_LIMIT;
-    else if (limit > MAX_INACTIVE_SEEDING_TIME)
-        limit = MAX_SEEDING_TIME;
 
     if (m_inactiveSeedingTimeLimit != limit)
     {
@@ -2930,9 +2890,9 @@ nonstd::expected<void, QString> TorrentImpl::exportToFile(const Path &path) cons
     return {};
 }
 
-void TorrentImpl::fetchPeerInfo(std::function<void (QList<PeerInfo>)> resultHandler) const
+QFuture<QList<PeerInfo>> TorrentImpl::fetchPeerInfo() const
 {
-    invokeAsync([nativeHandle = m_nativeHandle, allPieces = pieces()]() -> QList<PeerInfo>
+    return invokeAsync([nativeHandle = m_nativeHandle, allPieces = pieces()]() -> QList<PeerInfo>
     {
         try
         {
@@ -2947,13 +2907,12 @@ void TorrentImpl::fetchPeerInfo(std::function<void (QList<PeerInfo>)> resultHand
         catch (const std::exception &) {}
 
         return {};
-    }
-    , std::move(resultHandler));
+    });
 }
 
-void TorrentImpl::fetchURLSeeds(std::function<void (QList<QUrl>)> resultHandler) const
+QFuture<QList<QUrl>> TorrentImpl::fetchURLSeeds() const
 {
-    invokeAsync([nativeHandle = m_nativeHandle]() -> QList<QUrl>
+    return invokeAsync([nativeHandle = m_nativeHandle]() -> QList<QUrl>
     {
         try
         {
@@ -2967,13 +2926,12 @@ void TorrentImpl::fetchURLSeeds(std::function<void (QList<QUrl>)> resultHandler)
         catch (const std::exception &) {}
 
         return {};
-    }
-    , std::move(resultHandler));
+    });
 }
 
-void TorrentImpl::fetchPieceAvailability(std::function<void (QList<int>)> resultHandler) const
+QFuture<QList<int>> TorrentImpl::fetchPieceAvailability() const
 {
-    invokeAsync([nativeHandle = m_nativeHandle]() -> QList<int>
+    return invokeAsync([nativeHandle = m_nativeHandle]() -> QList<int>
     {
         try
         {
@@ -2984,13 +2942,12 @@ void TorrentImpl::fetchPieceAvailability(std::function<void (QList<int>)> result
         catch (const std::exception &) {}
 
         return {};
-    }
-    , std::move(resultHandler));
+    });
 }
 
-void TorrentImpl::fetchDownloadingPieces(std::function<void (QBitArray)> resultHandler) const
+QFuture<QBitArray> TorrentImpl::fetchDownloadingPieces() const
 {
-    invokeAsync([nativeHandle = m_nativeHandle, torrentInfo = m_torrentInfo]() -> QBitArray
+    return invokeAsync([nativeHandle = m_nativeHandle, torrentInfo = m_torrentInfo]() -> QBitArray
     {
         try
         {
@@ -3009,13 +2966,12 @@ void TorrentImpl::fetchDownloadingPieces(std::function<void (QBitArray)> resultH
         catch (const std::exception &) {}
 
         return {};
-    }
-    , std::move(resultHandler));
+    });
 }
 
-void TorrentImpl::fetchAvailableFileFractions(std::function<void (QList<qreal>)> resultHandler) const
+QFuture<QList<qreal>> TorrentImpl::fetchAvailableFileFractions() const
 {
-    invokeAsync([nativeHandle = m_nativeHandle, torrentInfo = m_torrentInfo]() -> QList<qreal>
+    return invokeAsync([nativeHandle = m_nativeHandle, torrentInfo = m_torrentInfo]() -> QList<qreal>
     {
         if (!torrentInfo.isValid() || (torrentInfo.filesCount() <= 0))
             return {};
@@ -3049,8 +3005,7 @@ void TorrentImpl::fetchAvailableFileFractions(std::function<void (QList<qreal>)>
         catch (const std::exception &) {}
 
         return {};
-    }
-    , std::move(resultHandler));
+    });
 }
 
 void TorrentImpl::prioritizeFiles(const QList<DownloadPriority> &priorities)
@@ -3090,47 +3045,17 @@ void TorrentImpl::prioritizeFiles(const QList<DownloadPriority> &priorities)
     manageActualFilePaths();
 }
 
-QList<qreal> TorrentImpl::availableFileFractions() const
+template <typename Func>
+QFuture<std::invoke_result_t<Func>> TorrentImpl::invokeAsync(Func &&func) const
 {
-    Q_ASSERT(hasMetadata());
-
-    const int filesCount = this->filesCount();
-    if (filesCount <= 0) return {};
-
-    const QList<int> piecesAvailability = pieceAvailability();
-    // libtorrent returns empty array for seeding only torrents
-    if (piecesAvailability.empty()) return QList<qreal>(filesCount, -1);
-
-    QList<qreal> res;
-    res.reserve(filesCount);
-    for (int i = 0; i < filesCount; ++i)
+    QPromise<std::invoke_result_t<Func>> promise;
+    const auto future = promise.future();
+    promise.start();
+    m_session->invokeAsync([func = std::forward<Func>(func), promise = std::move(promise)]() mutable
     {
-        const TorrentInfo::PieceRange filePieces = m_torrentInfo.filePieces(i);
-
-        int availablePieces = 0;
-        for (const int piece : filePieces)
-            availablePieces += (piecesAvailability[piece] > 0) ? 1 : 0;
-
-        const qreal availability = filePieces.isEmpty()
-            ? 1  // the file has no pieces, so it is available by default
-            : static_cast<qreal>(availablePieces) / filePieces.size();
-        res.push_back(availability);
-    }
-    return res;
-}
-
-template <typename Func, typename Callback>
-void TorrentImpl::invokeAsync(Func func, Callback resultHandler) const
-{
-    m_session->invokeAsync([session = m_session
-                           , func = std::move(func)
-                           , resultHandler = std::move(resultHandler)
-                           , thisTorrent = QPointer<const TorrentImpl>(this)]() mutable
-    {
-        session->invoke([result = func(), thisTorrent, resultHandler = std::move(resultHandler)]
-        {
-            if (thisTorrent)
-                resultHandler(result);
-        });
+        promise.addResult(func());
+        promise.finish();
     });
+
+    return future;
 }
diff --git a/src/base/bittorrent/torrentimpl.h b/src/base/bittorrent/torrentimpl.h
index 5c54b2d00..87137cd73 100644
--- a/src/base/bittorrent/torrentimpl.h
+++ b/src/base/bittorrent/torrentimpl.h
@@ -203,10 +203,7 @@ namespace BitTorrent
         bool isDHTDisabled() const override;
         bool isPEXDisabled() const override;
         bool isLSDDisabled() const override;
-        QList<PeerInfo> peers() const override;
         QBitArray pieces() const override;
-        QBitArray downloadingPieces() const override;
-        QList<int> pieceAvailability() const override;
         qreal distributedCopies() const override;
         qreal maxRatio() const override;
         int maxSeedingTime() const override;
@@ -220,7 +217,6 @@ namespace BitTorrent
         int connectionsCount() const override;
         int connectionsLimit() const override;
         qlonglong nextAnnounce() const override;
-        QList<qreal> availableFileFractions() const override;
 
         void setName(const QString &name) override;
         void setSequentialDownload(bool enable) override;
@@ -258,11 +254,11 @@ namespace BitTorrent
         nonstd::expected<QByteArray, QString> exportToBuffer() const override;
         nonstd::expected<void, QString> exportToFile(const Path &path) const override;
 
-        void fetchPeerInfo(std::function<void (QList<PeerInfo>)> resultHandler) const override;
-        void fetchURLSeeds(std::function<void (QList<QUrl>)> resultHandler) const override;
-        void fetchPieceAvailability(std::function<void (QList<int>)> resultHandler) const override;
-        void fetchDownloadingPieces(std::function<void (QBitArray)> resultHandler) const override;
-        void fetchAvailableFileFractions(std::function<void (QList<qreal>)> resultHandler) const override;
+        QFuture<QList<PeerInfo>> fetchPeerInfo() const override;
+        QFuture<QList<QUrl>> fetchURLSeeds() const override;
+        QFuture<QList<int>> fetchPieceAvailability() const override;
+        QFuture<QBitArray> fetchDownloadingPieces() const override;
+        QFuture<QList<qreal>> fetchAvailableFileFractions() const override;
 
         bool needSaveResumeData() const;
 
@@ -278,7 +274,6 @@ namespace BitTorrent
         void requestResumeData(lt::resume_data_flags_t flags = {});
         void deferredRequestResumeData();
         void handleMoveStorageJobFinished(const Path &path, MoveStorageContext context, bool hasOutstandingJob);
-        void fileSearchFinished(const Path &savePath, const PathList &fileNames);
         TrackerEntryStatus updateTrackerEntryStatus(const lt::announce_entry &announceEntry, const QHash<lt::tcp::endpoint, QMap<int, int>> &updateInfo);
         void resetTrackerEntryStatuses();
 
@@ -326,8 +321,8 @@ namespace BitTorrent
 
         nonstd::expected<lt::entry, QString> exportTorrent() const;
 
-        template <typename Func, typename Callback>
-        void invokeAsync(Func func, Callback resultHandler) const;
+        template <typename Func>
+        QFuture<std::invoke_result_t<Func>> invokeAsync(Func &&func) const;
 
         SessionImpl *const m_session = nullptr;
         lt::session *m_nativeSession = nullptr;
diff --git a/src/base/search/searchdownloadhandler.cpp b/src/base/search/searchdownloadhandler.cpp
index 34289bf8c..c2dca0790 100644
--- a/src/base/search/searchdownloadhandler.cpp
+++ b/src/base/search/searchdownloadhandler.cpp
@@ -42,7 +42,7 @@ SearchDownloadHandler::SearchDownloadHandler(const QString &pluginName, const QS
     , m_downloadProcess {new QProcess(this)}
 {
     m_downloadProcess->setProcessEnvironment(m_manager->proxyEnvironment());
-#if defined(Q_OS_UNIX) && (QT_VERSION >= QT_VERSION_CHECK(6, 6, 0))
+#ifdef Q_OS_UNIX
     m_downloadProcess->setUnixProcessParameters(QProcess::UnixProcessFlag::CloseFileDescriptors);
 #endif
     connect(m_downloadProcess, qOverload<int, QProcess::ExitStatus>(&QProcess::finished)
diff --git a/src/base/search/searchhandler.cpp b/src/base/search/searchhandler.cpp
index 114ddce5f..f847d187a 100644
--- a/src/base/search/searchhandler.cpp
+++ b/src/base/search/searchhandler.cpp
@@ -72,7 +72,7 @@ SearchHandler::SearchHandler(const QString &pattern, const QString &category, co
     // Load environment variables (proxy)
     m_searchProcess->setProcessEnvironment(m_manager->proxyEnvironment());
     m_searchProcess->setProgram(Utils::ForeignApps::pythonInfo().executableName);
-#if defined(Q_OS_UNIX) && (QT_VERSION >= QT_VERSION_CHECK(6, 6, 0))
+#ifdef Q_OS_UNIX
     m_searchProcess->setUnixProcessParameters(QProcess::UnixProcessFlag::CloseFileDescriptors);
 #endif
 
diff --git a/src/base/search/searchpluginmanager.cpp b/src/base/search/searchpluginmanager.cpp
index c79ba5d60..5caa611bf 100644
--- a/src/base/search/searchpluginmanager.cpp
+++ b/src/base/search/searchpluginmanager.cpp
@@ -546,7 +546,7 @@ void SearchPluginManager::update()
 {
     QProcess nova;
     nova.setProcessEnvironment(proxyEnvironment());
-#if defined(Q_OS_UNIX) && (QT_VERSION >= QT_VERSION_CHECK(6, 6, 0))
+#ifdef Q_OS_UNIX
     nova.setUnixProcessParameters(QProcess::UnixProcessFlag::CloseFileDescriptors);
 #endif
 
diff --git a/src/base/utils/foreignapps.cpp b/src/base/utils/foreignapps.cpp
index 038d5128f..d4e58c1a8 100644
--- a/src/base/utils/foreignapps.cpp
+++ b/src/base/utils/foreignapps.cpp
@@ -57,7 +57,7 @@ namespace
         info = {};
 
         QProcess proc;
-#if defined(Q_OS_UNIX) && (QT_VERSION >= QT_VERSION_CHECK(6, 6, 0))
+#ifdef Q_OS_UNIX
         proc.setUnixProcessParameters(QProcess::UnixProcessFlag::CloseFileDescriptors);
 #endif
         proc.start(exeName, {u"--version"_s}, QIODevice::ReadOnly);
diff --git a/src/base/utils/string.cpp b/src/base/utils/string.cpp
index f3fc4d87e..1fc6568f8 100644
--- a/src/base/utils/string.cpp
+++ b/src/base/utils/string.cpp
@@ -61,7 +61,12 @@ QString Utils::String::fromLocal8Bit(const std::string_view string)
 
 QString Utils::String::wildcardToRegexPattern(const QString &pattern)
 {
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 6, 0))
+    return QRegularExpression::wildcardToRegularExpression(pattern
+            , (QRegularExpression::UnanchoredWildcardConversion | QRegularExpression::NonPathWildcardConversion));
+#else
     return QRegularExpression::wildcardToRegularExpression(pattern, QRegularExpression::UnanchoredWildcardConversion);
+#endif
 }
 
 QStringList Utils::String::splitCommand(const QString &command)
diff --git a/src/gui/addnewtorrentdialog.cpp b/src/gui/addnewtorrentdialog.cpp
index 321e1528b..8954a1c4d 100644
--- a/src/gui/addnewtorrentdialog.cpp
+++ b/src/gui/addnewtorrentdialog.cpp
@@ -32,12 +32,14 @@
 #include <algorithm>
 #include <functional>
 
+#include <QtVersionChecks>
 #include <QAction>
 #include <QByteArray>
 #include <QDateTime>
 #include <QDebug>
 #include <QDir>
 #include <QFileDialog>
+#include <QFuture>
 #include <QList>
 #include <QMenu>
 #include <QMessageBox>
@@ -242,14 +244,13 @@ public:
         return QList<qreal>(filesCount(), 0);
     }
 
-    QList<qreal> availableFileFractions() const override
+    QFuture<QList<qreal>> fetchAvailableFileFractions() const override
     {
-        return QList<qreal>(filesCount(), 0);
-    }
-
-    void fetchAvailableFileFractions(std::function<void (QList<qreal>)> resultHandler) const override
-    {
-        resultHandler(availableFileFractions());
+#if (QT_VERSION >= QT_VERSION_CHECK(6, 6, 0))
+        return QtFuture::makeReadyValueFuture(QList<qreal>(filesCount(), 0));
+#else
+        return QtFuture::makeReadyFuture(QList<qreal>(filesCount(), 0));
+#endif
     }
 
     void prioritizeFiles(const QList<BitTorrent::DownloadPriority> &priorities) override
diff --git a/src/gui/optionsdialog.ui b/src/gui/optionsdialog.ui
index dbac539f7..a21f7af04 100644
--- a/src/gui/optionsdialog.ui
+++ b/src/gui/optionsdialog.ui
@@ -1031,7 +1031,7 @@
                <item>
                 <widget class="QGroupBox" name="duplicateTorrentGroup">
                  <property name="title">
-                  <string>When duplicate torrent is being added</string>
+                  <string>When adding a duplicate torrent</string>
                  </property>
                  <layout class="QVBoxLayout" name="duplicateTorrentBoxLayout">
                   <item>
@@ -1047,7 +1047,7 @@
                   <item>
                    <widget class="QCheckBox" name="checkConfirmMergeTrackers">
                     <property name="text">
-                     <string>Ask for merging trackers when torrent is being added manually</string>
+                     <string>Ask to merge trackers for manually added torrent</string>
                     </property>
                     <property name="checked">
                      <bool>true</bool>
@@ -3028,9 +3028,6 @@ Disable encryption: Only connect to peers without protocol encryption</string>
                  <property name="enabled">
                   <bool>false</bool>
                  </property>
-                 <property name="maximum">
-                  <double>9998.000000000000000</double>
-                 </property>
                  <property name="singleStep">
                   <double>0.050000000000000</double>
                  </property>
@@ -3290,15 +3287,9 @@ Disable encryption: Only connect to peers without protocol encryption</string>
                  </item>
                  <item>
                   <widget class="QSpinBox" name="searchHistoryLengthSpinBox">
-                   <property name="buttonSymbols">
-                    <enum>QAbstractSpinBox::ButtonSymbols::PlusMinus</enum>
-                   </property>
                    <property name="maximum">
                     <number>99</number>
                    </property>
-                   <property name="stepType">
-                    <enum>QAbstractSpinBox::StepType::DefaultStepType</enum>
-                   </property>
                   </widget>
                  </item>
                  <item>
diff --git a/src/gui/properties/peerlistwidget.cpp b/src/gui/properties/peerlistwidget.cpp
index 8546d7143..a6c44d106 100644
--- a/src/gui/properties/peerlistwidget.cpp
+++ b/src/gui/properties/peerlistwidget.cpp
@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2023  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2023-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
  *
  * This program is free software; you can redistribute it and/or
@@ -33,6 +33,7 @@
 
 #include <QApplication>
 #include <QClipboard>
+#include <QFuture>
 #include <QHeaderView>
 #include <QHostAddress>
 #include <QList>
@@ -406,7 +407,7 @@ void PeerListWidget::loadPeers(const BitTorrent::Torrent *torrent)
         return;
 
     using TorrentPtr = QPointer<const BitTorrent::Torrent>;
-    torrent->fetchPeerInfo([this, torrent = TorrentPtr(torrent)](const QList<BitTorrent::PeerInfo> &peers)
+    torrent->fetchPeerInfo().then(this, [this, torrent = TorrentPtr(torrent)](const QList<BitTorrent::PeerInfo> &peers)
     {
         if (torrent != m_properties->getCurrentTorrent())
             return;
diff --git a/src/gui/properties/propertieswidget.cpp b/src/gui/properties/propertieswidget.cpp
index ad9673272..8a76e4663 100644
--- a/src/gui/properties/propertieswidget.cpp
+++ b/src/gui/properties/propertieswidget.cpp
@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2022-2024  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2022-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
  *
  * This program is free software; you can redistribute it and/or
@@ -32,6 +32,7 @@
 #include <QClipboard>
 #include <QDateTime>
 #include <QDebug>
+#include <QFuture>
 #include <QListWidgetItem>
 #include <QMenu>
 #include <QMessageBox>
@@ -440,10 +441,10 @@ void PropertiesWidget::loadDynamicData()
 
             // Update ratio info
             const qreal ratio = m_torrent->realRatio();
-            m_ui->labelShareRatioVal->setText(ratio > BitTorrent::Torrent::MAX_RATIO ? C_INFINITY : Utils::String::fromDouble(ratio, 2));
+            m_ui->labelShareRatioVal->setText(ratio >= BitTorrent::Torrent::MAX_RATIO ? C_INFINITY : Utils::String::fromDouble(ratio, 2));
 
             const qreal popularity = m_torrent->popularity();
-            m_ui->labelPopularityVal->setText(popularity > BitTorrent::Torrent::MAX_RATIO ? C_INFINITY : Utils::String::fromDouble(popularity, 2));
+            m_ui->labelPopularityVal->setText(popularity >= BitTorrent::Torrent::MAX_RATIO ? C_INFINITY : Utils::String::fromDouble(popularity, 2));
 
             m_ui->labelSeedsVal->setText(tr("%1 (%2 total)", "%1 and %2 are numbers, e.g. 3 (10 total)")
                 .arg(QString::number(m_torrent->seedsCount())
@@ -471,15 +472,15 @@ void PropertiesWidget::loadDynamicData()
 
             if (m_torrent->hasMetadata())
             {
-                using TorrentPtr = QPointer<BitTorrent::Torrent>;
-
                 m_ui->labelTotalPiecesVal->setText(tr("%1 x %2 (have %3)", "(torrent pieces) eg 152 x 4MB (have 25)").arg(m_torrent->piecesCount()).arg(Utils::Misc::friendlyUnit(m_torrent->pieceLength())).arg(m_torrent->piecesHave()));
 
                 if (!m_torrent->isFinished() && !m_torrent->isStopped() && !m_torrent->isQueued() && !m_torrent->isChecking())
                 {
                     // Pieces availability
                     showPiecesAvailability(true);
-                    m_torrent->fetchPieceAvailability([this, torrent = TorrentPtr(m_torrent)](const QList<int> &pieceAvailability)
+
+                    using TorrentPtr = QPointer<BitTorrent::Torrent>;
+                    m_torrent->fetchPieceAvailability().then(this, [this, torrent = TorrentPtr(m_torrent)](const QList<int> &pieceAvailability)
                     {
                         if (torrent == m_torrent)
                             m_piecesAvailability->setAvailability(pieceAvailability);
@@ -496,10 +497,9 @@ void PropertiesWidget::loadDynamicData()
                 qreal progress = m_torrent->progress() * 100.;
                 m_ui->labelProgressVal->setText(Utils::String::fromDouble(progress, 1) + u'%');
 
-                m_torrent->fetchDownloadingPieces([this, torrent = TorrentPtr(m_torrent)](const QBitArray &downloadingPieces)
+                m_torrent->fetchDownloadingPieces().then(this, [this](const QBitArray &downloadingPieces)
                 {
-                    if (torrent == m_torrent)
-                        m_downloadedPieces->setProgress(m_torrent->pieces(), downloadingPieces);
+                    m_downloadedPieces->setProgress(m_torrent->pieces(), downloadingPieces);
                 });
             }
             else
@@ -525,7 +525,7 @@ void PropertiesWidget::loadUrlSeeds()
         return;
 
     using TorrentPtr = QPointer<BitTorrent::Torrent>;
-    m_torrent->fetchURLSeeds([this, torrent = TorrentPtr(m_torrent)](const QList<QUrl> &urlSeeds)
+    m_torrent->fetchURLSeeds().then(this, [this, torrent = TorrentPtr(m_torrent)](const QList<QUrl> &urlSeeds)
     {
         if (torrent != m_torrent)
             return;
diff --git a/src/gui/rss/rsswidget.cpp b/src/gui/rss/rsswidget.cpp
index 98c272014..2c3fe7572 100644
--- a/src/gui/rss/rsswidget.cpp
+++ b/src/gui/rss/rsswidget.cpp
@@ -631,7 +631,7 @@ void RSSWidget::renderArticle(const RSS::Article *article) const
         u"<div style='border: 2px solid red; margin-left: 5px; margin-right: 5px; margin-bottom: 5px;'>" +
         u"<div style='background-color: \"%1\"; font-weight: bold; color: \"%2\";'>%3</div>"_s.arg(highlightedBaseColor, highlightedBaseTextColor, article->title());
     if (article->date().isValid())
-        html += u"<div style='background-color: \"%1\";'><b>%2</b>%3</div>"_s.arg(alternateBaseColor, tr("Date: "), QLocale::system().toString(article->date().toLocalTime()));
+        html += u"<div style='background-color: \"%1\";'><b>%2</b>%3</div>"_s.arg(alternateBaseColor, tr("Date: "), QLocale::system().toString(article->date().toLocalTime(), QLocale::ShortFormat));
     if (m_ui->feedListWidget->currentItem() == m_ui->feedListWidget->stickyUnreadItem())
         html += u"<div style='background-color: \"%1\";'><b>%2</b>%3</div>"_s.arg(alternateBaseColor, tr("Feed: "), article->feed()->title());
     if (!article->author().isEmpty())
diff --git a/src/gui/torrentcontentmodel.cpp b/src/gui/torrentcontentmodel.cpp
index e75fc1856..32e44c16f 100644
--- a/src/gui/torrentcontentmodel.cpp
+++ b/src/gui/torrentcontentmodel.cpp
@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2022-2024  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2022-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2006-2012  Christophe Dumez <chris@qbittorrent.org>
  *
  * This program is free software; you can redistribute it and/or
@@ -33,6 +33,7 @@
 
 #include <QFileIconProvider>
 #include <QFileInfo>
+#include <QFuture>
 #include <QIcon>
 #include <QMimeData>
 #include <QPointer>
@@ -219,7 +220,8 @@ void TorrentContentModel::updateFilesAvailability()
     Q_ASSERT(m_contentHandler && m_contentHandler->hasMetadata());
 
     using HandlerPtr = QPointer<BitTorrent::TorrentContentHandler>;
-    m_contentHandler->fetchAvailableFileFractions([this, handler = HandlerPtr(m_contentHandler)](const QList<qreal> &availableFileFractions)
+    m_contentHandler->fetchAvailableFileFractions().then(this
+            , [this, handler = HandlerPtr(m_contentHandler)](const QList<qreal> &availableFileFractions)
     {
         if (handler != m_contentHandler)
             return;
diff --git a/src/gui/torrentsharelimitswidget.ui b/src/gui/torrentsharelimitswidget.ui
index 9ada9ed67..13fbfe0a2 100644
--- a/src/gui/torrentsharelimitswidget.ui
+++ b/src/gui/torrentsharelimitswidget.ui
@@ -47,9 +47,6 @@
        <property name="enabled">
         <bool>false</bool>
        </property>
-       <property name="maximum">
-        <double>9998.000000000000000</double>
-       </property>
        <property name="singleStep">
         <double>0.050000000000000</double>
        </property>
diff --git a/src/gui/trackerlist/trackerlistmodel.cpp b/src/gui/trackerlist/trackerlistmodel.cpp
index 78465488c..b13b067b6 100644
--- a/src/gui/trackerlist/trackerlistmodel.cpp
+++ b/src/gui/trackerlist/trackerlistmodel.cpp
@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2023-2024  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2023-2025  Vladimir Golovnev <glassez@yandex.ru>
  * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
  *
  * This program is free software; you can redistribute it and/or
@@ -42,6 +42,7 @@
 
 #include <QColor>
 #include <QDateTime>
+#include <QFuture>
 #include <QList>
 #include <QPointer>
 #include <QScopeGuard>
@@ -309,7 +310,7 @@ void TrackerListModel::populate()
     m_items->emplace_back(std::make_shared<Item>(u"** [LSD] **", privateTorrentMessage));
 
     using TorrentPtr = QPointer<const BitTorrent::Torrent>;
-    m_torrent->fetchPeerInfo([this, torrent = TorrentPtr(m_torrent)](const QList<BitTorrent::PeerInfo> &peers)
+    m_torrent->fetchPeerInfo().then(this, [this, torrent = TorrentPtr(m_torrent)](const QList<BitTorrent::PeerInfo> &peers)
     {
        if (torrent != m_torrent)
            return;
diff --git a/src/gui/transferlistmodel.cpp b/src/gui/transferlistmodel.cpp
index 7c827c1a6..0298db047 100644
--- a/src/gui/transferlistmodel.cpp
+++ b/src/gui/transferlistmodel.cpp
@@ -293,7 +293,7 @@ QString TransferListModel::displayValue(const BitTorrent::Torrent *torrent, cons
         if (hideValues && (value <= 0))
             return {};
 
-         return ((static_cast<int>(value) == -1) || (value > BitTorrent::Torrent::MAX_RATIO))
+         return ((static_cast<int>(value) == -1) || (value >= BitTorrent::Torrent::MAX_RATIO))
                   ? C_INFINITY : Utils::String::fromDouble(value, 2);
     };
 
diff --git a/src/gui/transferlistwidget.cpp b/src/gui/transferlistwidget.cpp
index 95814c0e6..6fb71bfaa 100644
--- a/src/gui/transferlistwidget.cpp
+++ b/src/gui/transferlistwidget.cpp
@@ -312,10 +312,7 @@ void TransferListWidget::torrentDoubleClicked()
     case PREVIEW_FILE:
         if (torrentContainsPreviewableFiles(torrent))
         {
-            auto *dialog = new PreviewSelectDialog(this, torrent);
-            dialog->setAttribute(Qt::WA_DeleteOnClose);
-            connect(dialog, &PreviewSelectDialog::readyToPreviewFile, this, &TransferListWidget::previewFile);
-            dialog->show();
+            openPreviewSelectDialog(torrent);
         }
         else
         {
@@ -617,10 +614,7 @@ void TransferListWidget::previewSelectedTorrents()
     {
         if (torrentContainsPreviewableFiles(torrent))
         {
-            auto *dialog = new PreviewSelectDialog(this, torrent);
-            dialog->setAttribute(Qt::WA_DeleteOnClose);
-            connect(dialog, &PreviewSelectDialog::readyToPreviewFile, this, &TransferListWidget::previewFile);
-            dialog->show();
+            openPreviewSelectDialog(torrent);
         }
         else
         {
@@ -1449,3 +1443,13 @@ void TransferListWidget::wheelEvent(QWheelEvent *event)
 
     QTreeView::wheelEvent(event);  // event delegated to base class
 }
+
+void TransferListWidget::openPreviewSelectDialog(const BitTorrent::Torrent *torrent)
+{
+    auto *dialog = new PreviewSelectDialog(this, torrent);
+    dialog->setAttribute(Qt::WA_DeleteOnClose);
+    // Qt::QueuedConnection is required to prevent a bug on wayland compositors where the preview won't open.
+    // It occurs when the window focus shifts immediately after TransferListWidget::previewFile has been called.
+    connect(dialog, &PreviewSelectDialog::readyToPreviewFile, this, &TransferListWidget::previewFile, Qt::QueuedConnection);
+    dialog->show();
+}
diff --git a/src/gui/transferlistwidget.h b/src/gui/transferlistwidget.h
index c5b24ba24..097dd809a 100644
--- a/src/gui/transferlistwidget.h
+++ b/src/gui/transferlistwidget.h
@@ -123,6 +123,7 @@ private:
     void dragMoveEvent(QDragMoveEvent *event) override;
     void dropEvent(QDropEvent *event) override;
     void wheelEvent(QWheelEvent *event) override;
+    void openPreviewSelectDialog(const BitTorrent::Torrent *torrent);
     QModelIndex mapToSource(const QModelIndex &index) const;
     QModelIndexList mapToSource(const QModelIndexList &indexes) const;
     QModelIndex mapFromSource(const QModelIndex &index) const;
diff --git a/src/gui/utils.cpp b/src/gui/utils.cpp
index ac5d922dc..e987d75c0 100644
--- a/src/gui/utils.cpp
+++ b/src/gui/utils.cpp
@@ -176,9 +176,7 @@ void Utils::Gui::openFolderSelect(const Path &path)
     const int lineMaxLength = 64;
 
     QProcess proc;
-#if QT_VERSION >= QT_VERSION_CHECK(6, 6, 0)
     proc.setUnixProcessParameters(QProcess::UnixProcessFlag::CloseFileDescriptors);
-#endif
     proc.start(u"xdg-mime"_s, {u"query"_s, u"default"_s, u"inode/directory"_s});
     proc.waitForFinished();
     const auto output = QString::fromLocal8Bit(proc.readLine(lineMaxLength).simplified());
diff --git a/src/webui/api/serialize/serialize_torrent.cpp b/src/webui/api/serialize/serialize_torrent.cpp
index bc75a7698..1543170d4 100644
--- a/src/webui/api/serialize/serialize_torrent.cpp
+++ b/src/webui/api/serialize/serialize_torrent.cpp
@@ -96,7 +96,7 @@ QVariantMap serialize(const BitTorrent::Torrent &torrent)
 
     const auto adjustRatio = [](const qreal ratio) -> qreal
     {
-        return (ratio > BitTorrent::Torrent::MAX_RATIO) ? -1 : ratio;
+        return (ratio >= BitTorrent::Torrent::MAX_RATIO) ? -1 : ratio;
     };
 
     const auto getLastActivityTime = [&torrent]() -> qlonglong
diff --git a/src/webui/api/synccontroller.cpp b/src/webui/api/synccontroller.cpp
index 222b066aa..574a833ed 100644
--- a/src/webui/api/synccontroller.cpp
+++ b/src/webui/api/synccontroller.cpp
@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2018-2024  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2018-2025  Vladimir Golovnev <glassez@yandex.ru>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -28,6 +28,7 @@
 
 #include "synccontroller.h"
 
+#include <QFuture>
 #include <QJsonArray>
 #include <QJsonObject>
 #include <QMetaObject>
@@ -745,7 +746,7 @@ void SyncController::torrentPeersAction()
     QVariantMap data;
     QVariantHash peers;
 
-    const QList<BitTorrent::PeerInfo> peersList = torrent->peers();
+    const QList<BitTorrent::PeerInfo> peersList = torrent->fetchPeerInfo().takeResult();
 
     bool resolvePeerCountries = Preferences::instance()->resolvePeerCountries();
 
diff --git a/src/webui/api/torrentscontroller.cpp b/src/webui/api/torrentscontroller.cpp
index 6fd5f6fbf..83459a892 100644
--- a/src/webui/api/torrentscontroller.cpp
+++ b/src/webui/api/torrentscontroller.cpp
@@ -1,6 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2018-2023  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2018-2025  Vladimir Golovnev <glassez@yandex.ru>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -32,6 +32,7 @@
 #include <functional>
 
 #include <QBitArray>
+#include <QFuture>
 #include <QJsonArray>
 #include <QJsonObject>
 #include <QList>
@@ -180,9 +181,11 @@ namespace
     QJsonArray getStickyTrackers(const BitTorrent::Torrent *const torrent)
     {
         int seedsDHT = 0, seedsPeX = 0, seedsLSD = 0, leechesDHT = 0, leechesPeX = 0, leechesLSD = 0;
-        for (const BitTorrent::PeerInfo &peer : asConst(torrent->peers()))
+        const QList<BitTorrent::PeerInfo> peersList = torrent->fetchPeerInfo().takeResult();
+        for (const BitTorrent::PeerInfo &peer : peersList)
         {
-            if (peer.isConnecting()) continue;
+            if (peer.isConnecting())
+                continue;
 
             if (peer.isSeed())
             {
@@ -520,8 +523,8 @@ void TorrentsController::propertiesAction()
         {KEY_PROP_SEEDS_TOTAL, torrent->totalSeedsCount()},
         {KEY_PROP_PEERS, torrent->leechsCount()},
         {KEY_PROP_PEERS_TOTAL, torrent->totalLeechersCount()},
-        {KEY_PROP_RATIO, ((ratio > BitTorrent::Torrent::MAX_RATIO) ? -1 : ratio)},
-        {KEY_PROP_POPULARITY, ((popularity > BitTorrent::Torrent::MAX_RATIO) ? -1 : popularity)},
+        {KEY_PROP_RATIO, ((ratio >= BitTorrent::Torrent::MAX_RATIO) ? -1 : ratio)},
+        {KEY_PROP_POPULARITY, ((popularity >= BitTorrent::Torrent::MAX_RATIO) ? -1 : popularity)},
         {KEY_PROP_REANNOUNCE, torrent->nextAnnounce()},
         {KEY_PROP_TOTAL_SIZE, torrent->totalSize()},
         {KEY_PROP_PIECES_NUM, torrent->piecesCount()},
@@ -727,7 +730,7 @@ void TorrentsController::filesAction()
     {
         const QList<BitTorrent::DownloadPriority> priorities = torrent->filePriorities();
         const QList<qreal> fp = torrent->filesProgress();
-        const QList<qreal> fileAvailability = torrent->availableFileFractions();
+        const QList<qreal> fileAvailability = torrent->fetchAvailableFileFractions().takeResult();
         const BitTorrent::TorrentInfo info = torrent->info();
         for (const int index : asConst(fileIndexes))
         {
@@ -796,7 +799,7 @@ void TorrentsController::pieceStatesAction()
     for (int i = 0; i < states.size(); ++i)
         pieceStates.append(static_cast<int>(states[i]) * 2);
 
-    const QBitArray dlstates = torrent->downloadingPieces();
+    const QBitArray dlstates = torrent->fetchDownloadingPieces().takeResult();
     for (int i = 0; i < states.size(); ++i)
     {
         if (dlstates[i])
diff --git a/src/webui/www/eslint.config.mjs b/src/webui/www/eslint.config.mjs
index 6aafb8d64..ed4f3ab22 100644
--- a/src/webui/www/eslint.config.mjs
+++ b/src/webui/www/eslint.config.mjs
@@ -34,12 +34,15 @@ export default [
             "no-undef": "off",
             "no-unused-vars": "off",
             "no-var": "error",
+            "object-shorthand": ["error", "consistent"],
             "operator-assignment": "error",
             "prefer-arrow-callback": "error",
             "prefer-const": "error",
             "prefer-template": "error",
             "radix": "error",
+            "require-await": "error",
             "PreferArrowFunctions/prefer-arrow-functions": "error",
+            "Stylistic/no-extra-semi": "error",
             "Stylistic/no-mixed-operators": [
                 "error",
                 {
diff --git a/src/webui/www/private/addpeers.html b/src/webui/www/private/addpeers.html
index ad645b3d9..cfca9c026 100644
--- a/src/webui/www/private/addpeers.html
+++ b/src/webui/www/private/addpeers.html
@@ -26,13 +26,13 @@
             if (hash === null)
                 return;
 
-            $("peers").focus();
+            document.getElementById("peers").focus();
 
-            $("addPeersOk").addEventListener("click", (e) => {
+            document.getElementById("addPeersOk").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
-                const peers = $("peers").value.trim().split(/[\r\n]+/);
+                const peers = document.getElementById("peers").value.trim().split(/[\r\n]+/);
                 if (peers.length === 0)
                     return;
 
diff --git a/src/webui/www/private/addtrackers.html b/src/webui/www/private/addtrackers.html
index 818f20f09..b11adf195 100644
--- a/src/webui/www/private/addtrackers.html
+++ b/src/webui/www/private/addtrackers.html
@@ -22,8 +22,8 @@
                 }
             });
 
-            $("trackersUrls").focus();
-            $("addTrackersButton").addEventListener("click", (e) => {
+            document.getElementById("trackersUrls").focus();
+            document.getElementById("addTrackersButton").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
@@ -31,7 +31,7 @@
                         method: "POST",
                         body: new URLSearchParams({
                             hash: new URLSearchParams(window.location.search).get("hash"),
-                            urls: $("trackersUrls").value
+                            urls: document.getElementById("trackersUrls").value
                         })
                     })
                     .then((response) => {
diff --git a/src/webui/www/private/addwebseeds.html b/src/webui/www/private/addwebseeds.html
index c87c17146..e43b10fb3 100644
--- a/src/webui/www/private/addwebseeds.html
+++ b/src/webui/www/private/addwebseeds.html
@@ -22,15 +22,15 @@
                 }
             });
 
-            $("urls").focus();
-            $("addWebSeedsButton").addEventListener("click", (e) => {
+            document.getElementById("urls").focus();
+            document.getElementById("addWebSeedsButton").addEventListener("click", (e) => {
                 e.stopPropagation();
 
                 fetch("api/v2/torrents/addWebSeeds", {
                         method: "POST",
                         body: new URLSearchParams({
                             hash: new URLSearchParams(window.location.search).get("hash"),
-                            urls: $("urls").value.split("\n").map(w => encodeURIComponent(w.trim())).filter(w => (w.length > 0)).join("|")
+                            urls: document.getElementById("urls").value.split("\n").map(w => encodeURIComponent(w.trim())).filter(w => (w.length > 0)).join("|")
                         })
                     })
                     .then((response) => {
diff --git a/src/webui/www/private/confirmfeeddeletion.html b/src/webui/www/private/confirmfeeddeletion.html
index b0f2abe5c..b4f209b36 100644
--- a/src/webui/www/private/confirmfeeddeletion.html
+++ b/src/webui/www/private/confirmfeeddeletion.html
@@ -13,13 +13,13 @@
         "use strict";
 
         window.addEventListener("DOMContentLoaded", () => {
-            $("cancelBtn").focus();
-            $("cancelBtn").addEventListener("click", (e) => {
+            document.getElementById("cancelBtn").focus();
+            document.getElementById("cancelBtn").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
                 window.parent.qBittorrent.Client.closeFrameWindow(window);
             });
-            $("confirmBtn").addEventListener("click", (e) => {
+            document.getElementById("confirmBtn").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
diff --git a/src/webui/www/private/confirmruleclear.html b/src/webui/www/private/confirmruleclear.html
index 9817d3c1d..57c3deb6b 100644
--- a/src/webui/www/private/confirmruleclear.html
+++ b/src/webui/www/private/confirmruleclear.html
@@ -13,13 +13,13 @@
         "use strict";
 
         window.addEventListener("DOMContentLoaded", () => {
-            $("cancelBtn").focus();
-            $("cancelBtn").addEventListener("click", (e) => {
+            document.getElementById("cancelBtn").focus();
+            document.getElementById("cancelBtn").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
                 window.parent.qBittorrent.Client.closeFrameWindow(window);
             });
-            $("confirmBtn").addEventListener("click", (e) => {
+            document.getElementById("confirmBtn").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
diff --git a/src/webui/www/private/confirmruledeletion.html b/src/webui/www/private/confirmruledeletion.html
index cf9f7d874..728c7defc 100644
--- a/src/webui/www/private/confirmruledeletion.html
+++ b/src/webui/www/private/confirmruledeletion.html
@@ -13,13 +13,13 @@
         "use strict";
 
         window.addEventListener("DOMContentLoaded", () => {
-            $("cancelBtn").focus();
-            $("cancelBtn").addEventListener("click", (e) => {
+            document.getElementById("cancelBtn").focus();
+            document.getElementById("cancelBtn").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
                 window.parent.qBittorrent.Client.closeFrameWindow(window);
             });
-            $("confirmBtn").addEventListener("click", (e) => {
+            document.getElementById("confirmBtn").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
diff --git a/src/webui/www/private/confirmtrackerdeletion.html b/src/webui/www/private/confirmtrackerdeletion.html
index 4324f528f..46ea918e8 100644
--- a/src/webui/www/private/confirmtrackerdeletion.html
+++ b/src/webui/www/private/confirmtrackerdeletion.html
@@ -16,14 +16,14 @@
             const searchParams = new URLSearchParams(window.location.search);
             const host = searchParams.get("host");
 
-            $("confirmDeleteTrackerText").textContent = "QBT_TR(Are you sure you want to remove tracker %1 from all torrents?)QBT_TR[CONTEXT=TrackersFilterWidget]".replace("%1", host);
+            document.getElementById("confirmDeleteTrackerText").textContent = "QBT_TR(Are you sure you want to remove tracker %1 from all torrents?)QBT_TR[CONTEXT=TrackersFilterWidget]".replace("%1", host);
 
-            $("cancelBtn").focus();
-            $("cancelBtn").addEventListener("click", (e) => {
+            document.getElementById("cancelBtn").focus();
+            document.getElementById("cancelBtn").addEventListener("click", (e) => {
                 e.stopPropagation();
                 window.parent.qBittorrent.Client.closeFrameWindow(window);
             });
-            $("confirmBtn").addEventListener("click", (e) => {
+            document.getElementById("confirmBtn").addEventListener("click", (e) => {
                 e.stopPropagation();
 
                 fetch("api/v2/torrents/removeTrackers", {
diff --git a/src/webui/www/private/download.html b/src/webui/www/private/download.html
index ecd1bb6bb..ca9a63b79 100644
--- a/src/webui/www/private/download.html
+++ b/src/webui/www/private/download.html
@@ -167,22 +167,22 @@
         if (encodedUrls !== null) {
             const urls = encodedUrls.split("|").map(decodeURIComponent);
             if (urls.length > 0)
-                $("urls").value = urls.join("\n");
+                document.getElementById("urls").value = urls.join("\n");
         }
 
         let submitted = false;
 
-        $("downloadForm").addEventListener("submit", () => {
-            $("startTorrentHidden").value = $("startTorrent").checked ? "false" : "true";
+        document.getElementById("downloadForm").addEventListener("submit", () => {
+            document.getElementById("startTorrentHidden").value = document.getElementById("startTorrent").checked ? "false" : "true";
 
-            $("dlLimitHidden").value = Number($("dlLimitText").value) * 1024;
-            $("upLimitHidden").value = Number($("upLimitText").value) * 1024;
+            document.getElementById("dlLimitHidden").value = Number(document.getElementById("dlLimitText").value) * 1024;
+            document.getElementById("upLimitHidden").value = Number(document.getElementById("upLimitText").value) * 1024;
 
-            $("download_spinner").style.display = "block";
+            document.getElementById("download_spinner").style.display = "block";
             submitted = true;
         });
 
-        $("download_frame").addEventListener("load", () => {
+        document.getElementById("download_frame").addEventListener("load", () => {
             if (submitted)
                 window.parent.qBittorrent.Client.closeFrameWindow(window);
         });
diff --git a/src/webui/www/private/downloadlimit.html b/src/webui/www/private/downloadlimit.html
index d703cf79e..4b313ed83 100644
--- a/src/webui/www/private/downloadlimit.html
+++ b/src/webui/www/private/downloadlimit.html
@@ -37,7 +37,7 @@
             switch (event.key) {
                 case "Enter":
                     event.preventDefault();
-                    $("applyButton").click();
+                    document.getElementById("applyButton").click();
                     break;
                 case "Escape":
                     event.preventDefault();
@@ -48,7 +48,7 @@
 
         const hashes = new URLSearchParams(window.location.search).get("hashes").split("|");
         const setDlLimit = () => {
-            const limit = Number($("dllimitUpdatevalue").value) * 1024;
+            const limit = Number(document.getElementById("dllimitUpdatevalue").value) * 1024;
             if (hashes[0] === "global") {
                 fetch("api/v2/transfer/setDownloadLimit", {
                         method: "POST",
@@ -56,7 +56,7 @@
                             limit: limit
                         })
                     })
-                    .then(async (response) => {
+                    .then((response) => {
                         if (!response.ok)
                             return;
 
@@ -72,7 +72,7 @@
                             limit: limit
                         })
                     })
-                    .then(async (response) => {
+                    .then((response) => {
                         if (!response.ok)
                             return;
 
@@ -81,7 +81,7 @@
             }
         };
 
-        $("dllimitUpdatevalue").focus();
+        document.getElementById("dllimitUpdatevalue").focus();
 
         MochaUI.addDlLimitSlider(hashes);
     </script>
diff --git a/src/webui/www/private/editfeedurl.html b/src/webui/www/private/editfeedurl.html
index 83618a0b5..c92a0b48f 100644
--- a/src/webui/www/private/editfeedurl.html
+++ b/src/webui/www/private/editfeedurl.html
@@ -18,7 +18,7 @@
                 switch (event.key) {
                     case "Enter":
                         event.preventDefault();
-                        $("submitButton").click();
+                        document.getElementById("submitButton").click();
                         break;
                     case "Escape":
                         event.preventDefault();
@@ -30,16 +30,16 @@
             const searchParams = new URLSearchParams(window.location.search);
             const currentUrl = searchParams.get("url");
 
-            $("url").value = currentUrl;
-            $("url").focus();
-            $("url").setSelectionRange(0, currentUrl.length);
+            document.getElementById("url").value = currentUrl;
+            document.getElementById("url").focus();
+            document.getElementById("url").setSelectionRange(0, currentUrl.length);
 
-            $("submitButton").addEventListener("click", (e) => {
+            document.getElementById("submitButton").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
                 // check field
-                const newUrl = $("url").value.trim();
+                const newUrl = document.getElementById("url").value.trim();
                 if (newUrl === "") {
                     alert("QBT_TR(URL cannot be empty)QBT_TR[CONTEXT=RSSWidget]");
                     return;
@@ -50,7 +50,7 @@
                     return;
                 }
 
-                $("submitButton").disabled = true;
+                document.getElementById("submitButton").disabled = true;
 
                 fetch("api/v2/rss/setFeedURL", {
                         method: "POST",
@@ -64,7 +64,7 @@
                             alert((response.status === 409)
                                 ? await response.text()
                                 : "QBT_TR(Unable to update URL)QBT_TR[CONTEXT=RSSWidget]");
-                            $("submitButton").disabled = false;
+                            document.getElementById("submitButton").disabled = false;
                             return;
                         }
 
diff --git a/src/webui/www/private/edittracker.html b/src/webui/www/private/edittracker.html
index 2b4ff2553..fd14c8217 100644
--- a/src/webui/www/private/edittracker.html
+++ b/src/webui/www/private/edittracker.html
@@ -17,7 +17,7 @@
                 switch (event.key) {
                     case "Enter":
                         event.preventDefault();
-                        $("editTrackerButton").click();
+                        document.getElementById("editTrackerButton").click();
                         break;
                     case "Escape":
                         event.preventDefault();
@@ -31,10 +31,10 @@
             if (currentUrl === null)
                 return;
 
-            $("trackerUrl").value = currentUrl;
-            $("trackerUrl").focus();
+            document.getElementById("trackerUrl").value = currentUrl;
+            document.getElementById("trackerUrl").focus();
 
-            $("editTrackerButton").addEventListener("click", (e) => {
+            document.getElementById("editTrackerButton").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
@@ -43,7 +43,7 @@
                         body: new URLSearchParams({
                             hash: searchParams.get("hash"),
                             origUrl: currentUrl,
-                            newUrl: $("trackerUrl").value
+                            newUrl: document.getElementById("trackerUrl").value
                         })
                     })
                     .then((response) => {
diff --git a/src/webui/www/private/editwebseed.html b/src/webui/www/private/editwebseed.html
index ef6b70998..3b4ef53e5 100644
--- a/src/webui/www/private/editwebseed.html
+++ b/src/webui/www/private/editwebseed.html
@@ -17,7 +17,7 @@
                 switch (event.key) {
                     case "Enter":
                         event.preventDefault();
-                        $("editWebSeedButton").click();
+                        document.getElementById("editWebSeedButton").click();
                         break;
                     case "Escape":
                         event.preventDefault();
@@ -28,10 +28,10 @@
 
             const searchParams = new URLSearchParams(window.location.search);
             const origUrl = searchParams.get("url");
-            $("url").value = decodeURIComponent(origUrl);
-            $("url").focus();
+            document.getElementById("url").value = decodeURIComponent(origUrl);
+            document.getElementById("url").focus();
 
-            $("editWebSeedButton").addEventListener("click", (e) => {
+            document.getElementById("editWebSeedButton").addEventListener("click", (e) => {
                 e.stopPropagation();
 
                 fetch("api/v2/torrents/editWebSeed", {
@@ -39,7 +39,7 @@
                         body: new URLSearchParams({
                             hash: searchParams.get("hash"),
                             origUrl: origUrl,
-                            newUrl: encodeURIComponent($("url").value.trim())
+                            newUrl: encodeURIComponent(document.getElementById("url").value.trim())
                         })
                     })
                     .then((response) => {
diff --git a/src/webui/www/private/newcategory.html b/src/webui/www/private/newcategory.html
index b2ec949fa..ceda85359 100644
--- a/src/webui/www/private/newcategory.html
+++ b/src/webui/www/private/newcategory.html
@@ -19,7 +19,7 @@
                 switch (event.key) {
                     case "Enter":
                         event.preventDefault();
-                        $("categoryNameButton").click();
+                        document.getElementById("categoryNameButton").click();
                         break;
                     case "Escape":
                         event.preventDefault();
@@ -38,25 +38,25 @@
                 if (!uriCategoryName)
                     return;
 
-                $("categoryName").disabled = true;
-                $("categoryName").value = window.qBittorrent.Misc.escapeHtml(uriCategoryName);
-                $("savePath").value = window.qBittorrent.Misc.escapeHtml(uriSavePath);
-                $("savePath").focus();
+                document.getElementById("categoryName").disabled = true;
+                document.getElementById("categoryName").value = window.qBittorrent.Misc.escapeHtml(uriCategoryName);
+                document.getElementById("savePath").value = window.qBittorrent.Misc.escapeHtml(uriSavePath);
+                document.getElementById("savePath").focus();
             }
             else if (uriAction === "createSubcategory") {
-                $("categoryName").value = window.qBittorrent.Misc.escapeHtml(uriCategoryName);
-                $("categoryName").focus();
+                document.getElementById("categoryName").value = window.qBittorrent.Misc.escapeHtml(uriCategoryName);
+                document.getElementById("categoryName").focus();
             }
             else {
-                $("categoryName").focus();
+                document.getElementById("categoryName").focus();
             }
 
-            $("categoryNameButton").addEventListener("click", (e) => {
+            document.getElementById("categoryNameButton").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
-                const savePath = $("savePath").value.trim();
-                const categoryName = $("categoryName").value.trim();
+                const savePath = document.getElementById("savePath").value.trim();
+                const categoryName = document.getElementById("categoryName").value.trim();
 
                 const verifyCategoryName = (name) => {
                     if ((name === null) || (name === ""))
diff --git a/src/webui/www/private/newfeed.html b/src/webui/www/private/newfeed.html
index b3815a63e..c126ca068 100644
--- a/src/webui/www/private/newfeed.html
+++ b/src/webui/www/private/newfeed.html
@@ -18,7 +18,7 @@
                 switch (event.key) {
                     case "Enter":
                         event.preventDefault();
-                        $("submitButton").click();
+                        document.getElementById("submitButton").click();
                         break;
                     case "Escape":
                         event.preventDefault();
@@ -27,19 +27,19 @@
                 }
             });
 
-            $("feedURL").focus();
-            $("submitButton").addEventListener("click", (e) => {
+            document.getElementById("feedURL").focus();
+            document.getElementById("submitButton").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
                 // check field
-                const feedURL = $("feedURL").value.trim();
+                const feedURL = document.getElementById("feedURL").value.trim();
                 if (feedURL === "") {
                     alert("QBT_TR(Name cannot be empty)QBT_TR[CONTEXT=HttpServer]");
                     return;
                 }
 
-                $("submitButton").disabled = true;
+                document.getElementById("submitButton").disabled = true;
 
                 const path = new URLSearchParams(window.location.search).get("path");
                 fetch("api/v2/rss/addFeed", {
@@ -53,7 +53,7 @@
                         if (!response.ok) {
                             if (response.status === 409)
                                 alert(await response.text());
-                            $("submitButton").disabled = false;
+                            document.getElementById("submitButton").disabled = false;
                             return;
                         }
 
diff --git a/src/webui/www/private/newfolder.html b/src/webui/www/private/newfolder.html
index 30db4c450..c567a7c55 100644
--- a/src/webui/www/private/newfolder.html
+++ b/src/webui/www/private/newfolder.html
@@ -19,7 +19,7 @@
                 switch (event.key) {
                     case "Enter":
                         event.preventDefault();
-                        $("submitButton").click();
+                        document.getElementById("submitButton").click();
                         break;
                     case "Escape":
                         event.preventDefault();
@@ -28,19 +28,19 @@
                 }
             });
 
-            $("folderName").focus();
-            $("submitButton").addEventListener("click", (e) => {
+            document.getElementById("folderName").focus();
+            document.getElementById("submitButton").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
                 // check field
-                const folderName = $("folderName").value.trim();
+                const folderName = document.getElementById("folderName").value.trim();
                 if (folderName === "") {
                     alert("QBT_TR(Name cannot be empty)QBT_TR[CONTEXT=HttpServer]");
                     return;
                 }
 
-                $("submitButton").disabled = true;
+                document.getElementById("submitButton").disabled = true;
 
                 const path = new URLSearchParams(window.location.search).get("path");
                 fetch("api/v2/rss/addFolder", {
@@ -53,7 +53,7 @@
                         if (!response.ok) {
                             if (response.status === 409)
                                 alert(await response.text());
-                            $("submitButton").disabled = false;
+                            document.getElementById("submitButton").disabled = false;
                             return;
                         }
 
diff --git a/src/webui/www/private/newrule.html b/src/webui/www/private/newrule.html
index 18f03a154..dc419e112 100644
--- a/src/webui/www/private/newrule.html
+++ b/src/webui/www/private/newrule.html
@@ -18,7 +18,7 @@
                 switch (event.key) {
                     case "Enter":
                         event.preventDefault();
-                        $("submitButton").click();
+                        document.getElementById("submitButton").click();
                         break;
                     case "Escape":
                         event.preventDefault();
@@ -27,18 +27,18 @@
                 }
             });
 
-            $("name").focus();
-            $("submitButton").addEventListener("click", (e) => {
+            document.getElementById("name").focus();
+            document.getElementById("submitButton").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
                 // check field
-                const name = $("name").value.trim();
+                const name = document.getElementById("name").value.trim();
                 if (name === "") {
                     alert("QBT_TR(Name cannot be empty)QBT_TR[CONTEXT=HttpServer]");
                     return;
                 }
-                $("submitButton").disabled = true;
+                document.getElementById("submitButton").disabled = true;
 
                 fetch("api/v2/rss/setRule", {
                         method: "POST",
diff --git a/src/webui/www/private/newtag.html b/src/webui/www/private/newtag.html
index a8067fecc..fedf1afd0 100644
--- a/src/webui/www/private/newtag.html
+++ b/src/webui/www/private/newtag.html
@@ -18,7 +18,7 @@
                 switch (event.key) {
                     case "Enter":
                         event.preventDefault();
-                        $("tagNameButton").click();
+                        document.getElementById("tagNameButton").click();
                         break;
                     case "Escape":
                         event.preventDefault();
@@ -31,15 +31,15 @@
             const uriAction = window.qBittorrent.Misc.safeTrim(searchParams.get("action"));
 
             if (uriAction === "create")
-                $("legendText").textContent = "QBT_TR(Tag:)QBT_TR[CONTEXT=TagFilterWidget]";
+                document.getElementById("legendText").textContent = "QBT_TR(Tag:)QBT_TR[CONTEXT=TagFilterWidget]";
 
-            $("tagName").focus();
+            document.getElementById("tagName").focus();
 
-            $("tagNameButton").addEventListener("click", (e) => {
+            document.getElementById("tagNameButton").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
-                const tagName = $("tagName").value.trim();
+                const tagName = document.getElementById("tagName").value.trim();
 
                 const verifyTagName = (name) => {
                     if ((name === null) || (name === ""))
@@ -64,7 +64,7 @@
                                     tags: tagName
                                 })
                             })
-                            .then(async (response) => {
+                            .then((response) => {
                                 if (!response.ok)
                                     return;
 
@@ -83,7 +83,7 @@
                                     tags: tagName
                                 })
                             })
-                            .then(async (response) => {
+                            .then((response) => {
                                 if (!response.ok)
                                     return;
 
diff --git a/src/webui/www/private/rename.html b/src/webui/www/private/rename.html
index f3f1d119f..e4debb24b 100644
--- a/src/webui/www/private/rename.html
+++ b/src/webui/www/private/rename.html
@@ -18,7 +18,7 @@
                 switch (event.key) {
                     case "Enter":
                         event.preventDefault();
-                        $("renameButton").click();
+                        document.getElementById("renameButton").click();
                         break;
                     case "Escape":
                         event.preventDefault();
@@ -31,15 +31,15 @@
             const name = searchParams.get("name");
             // set text field to current value
             if (name !== null)
-                $("rename").value = name;
+                document.getElementById("rename").value = name;
 
-            $("rename").focus();
-            $("renameButton").addEventListener("click", (e) => {
+            document.getElementById("rename").focus();
+            document.getElementById("renameButton").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
                 // check field
-                const name = $("rename").value.trim();
+                const name = document.getElementById("rename").value.trim();
                 if ((name === null) || (name === ""))
                     return;
 
diff --git a/src/webui/www/private/rename_feed.html b/src/webui/www/private/rename_feed.html
index d11f41935..356ca9dd1 100644
--- a/src/webui/www/private/rename_feed.html
+++ b/src/webui/www/private/rename_feed.html
@@ -18,7 +18,7 @@
                 switch (event.key) {
                     case "Enter":
                         event.preventDefault();
-                        $("renameButton").click();
+                        document.getElementById("renameButton").click();
                         break;
                     case "Escape":
                         event.preventDefault();
@@ -29,16 +29,16 @@
 
             const oldPath = new URLSearchParams(window.location.search).get("oldPath");
 
-            $("rename").value = oldPath;
-            $("rename").focus();
-            $("rename").setSelectionRange(0, oldPath.length);
+            document.getElementById("rename").value = oldPath;
+            document.getElementById("rename").focus();
+            document.getElementById("rename").setSelectionRange(0, oldPath.length);
 
-            $("renameButton").addEventListener("click", (e) => {
+            document.getElementById("renameButton").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
                 // check field
-                const newPath = $("rename").value.trim();
+                const newPath = document.getElementById("rename").value.trim();
                 if (newPath === "") {
                     alert("QBT_TR(Name cannot be empty)QBT_TR[CONTEXT=HttpServer]");
                     return;
@@ -49,7 +49,7 @@
                     return;
                 }
 
-                $("renameButton").disabled = true;
+                document.getElementById("renameButton").disabled = true;
 
                 fetch("api/v2/rss/moveItem", {
                         method: "POST",
@@ -62,7 +62,7 @@
                         if (!response.ok) {
                             if (response.status === 409)
                                 alert(await response.text());
-                            $("renameButton").disabled = false;
+                            document.getElementById("renameButton").disabled = false;
                             return;
                         }
 
diff --git a/src/webui/www/private/rename_file.html b/src/webui/www/private/rename_file.html
index 8cddc935b..dfe5d0cdb 100644
--- a/src/webui/www/private/rename_file.html
+++ b/src/webui/www/private/rename_file.html
@@ -19,7 +19,7 @@
                 switch (event.key) {
                     case "Enter":
                         event.preventDefault();
-                        $("renameButton").click();
+                        document.getElementById("renameButton").click();
                         break;
                     case "Escape":
                         event.preventDefault();
@@ -34,17 +34,17 @@
             const isFolder = ((searchParams.get("isFolder")) === "true");
 
             const oldName = window.qBittorrent.Filesystem.fileName(oldPath);
-            $("rename").value = oldName;
-            $("rename").focus();
+            document.getElementById("rename").value = oldName;
+            document.getElementById("rename").focus();
             if (!isFolder)
-                $("rename").setSelectionRange(0, oldName.lastIndexOf("."));
+                document.getElementById("rename").setSelectionRange(0, oldName.lastIndexOf("."));
 
-            $("renameButton").addEventListener("click", (e) => {
+            document.getElementById("renameButton").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
                 // check field
-                const newName = $("rename").value.trim();
+                const newName = document.getElementById("rename").value.trim();
                 if (newName === "") {
                     alert("QBT_TR(Name cannot be empty)QBT_TR[CONTEXT=HttpServer]");
                     return;
@@ -55,7 +55,7 @@
                     return;
                 }
 
-                $("renameButton").disabled = true;
+                document.getElementById("renameButton").disabled = true;
 
                 const parentPath = window.qBittorrent.Filesystem.folderName(oldPath);
                 const newPath = parentPath
@@ -72,7 +72,7 @@
                     .then((response) => {
                         if (!response.ok) {
                             alert("QBT_TR(Failed to update name)QBT_TR[CONTEXT=HttpServer]");
-                            $("renameButton").disabled = false;
+                            document.getElementById("renameButton").disabled = false;
                             return;
                         }
 
diff --git a/src/webui/www/private/rename_files.html b/src/webui/www/private/rename_files.html
index 37a15b3a7..55f461b6f 100644
--- a/src/webui/www/private/rename_files.html
+++ b/src/webui/www/private/rename_files.html
@@ -80,50 +80,50 @@
 
             // Load Multi Rename Preferences
             const multiRenamePrefChecked = LocalPreferences.get("multirename_rememberPreferences", "true") === "true";
-            $("multirename_rememberprefs_checkbox").checked = multiRenamePrefChecked;
+            document.getElementById("multirename_rememberprefs_checkbox").checked = multiRenamePrefChecked;
 
             if (multiRenamePrefChecked) {
                 const multirename_search = LocalPreferences.get("multirename_search", "");
                 fileRenamer.setSearch(multirename_search);
-                $("multiRenameSearch").value = multirename_search;
+                document.getElementById("multiRenameSearch").value = multirename_search;
 
                 const multirename_useRegex = LocalPreferences.get("multirename_useRegex", false);
                 fileRenamer.useRegex = multirename_useRegex === "true";
-                $("use_regex_search").checked = fileRenamer.useRegex;
+                document.getElementById("use_regex_search").checked = fileRenamer.useRegex;
 
                 const multirename_matchAllOccurrences = LocalPreferences.get("multirename_matchAllOccurrences", false);
                 fileRenamer.matchAllOccurrences = multirename_matchAllOccurrences === "true";
-                $("match_all_occurrences").checked = fileRenamer.matchAllOccurrences;
+                document.getElementById("match_all_occurrences").checked = fileRenamer.matchAllOccurrences;
 
                 const multirename_caseSensitive = LocalPreferences.get("multirename_caseSensitive", false);
                 fileRenamer.caseSensitive = multirename_caseSensitive === "true";
-                $("case_sensitive").checked = fileRenamer.caseSensitive;
+                document.getElementById("case_sensitive").checked = fileRenamer.caseSensitive;
 
                 const multirename_replace = LocalPreferences.get("multirename_replace", "");
                 fileRenamer.setReplacement(multirename_replace);
-                $("multiRenameReplace").value = multirename_replace;
+                document.getElementById("multiRenameReplace").value = multirename_replace;
 
                 const multirename_appliesTo = LocalPreferences.get("multirename_appliesTo", window.qBittorrent.MultiRename.AppliesTo.FilenameExtension);
                 fileRenamer.appliesTo = window.qBittorrent.MultiRename.AppliesTo[multirename_appliesTo];
-                $("applies_to_option").value = fileRenamer.appliesTo;
+                document.getElementById("applies_to_option").value = fileRenamer.appliesTo;
 
                 const multirename_includeFiles = LocalPreferences.get("multirename_includeFiles", true);
                 fileRenamer.includeFiles = multirename_includeFiles === "true";
-                $("include_files").checked = fileRenamer.includeFiles;
+                document.getElementById("include_files").checked = fileRenamer.includeFiles;
 
                 const multirename_includeFolders = LocalPreferences.get("multirename_includeFolders", false);
                 fileRenamer.includeFolders = multirename_includeFolders === "true";
-                $("include_folders").checked = fileRenamer.includeFolders;
+                document.getElementById("include_folders").checked = fileRenamer.includeFolders;
 
                 const multirename_fileEnumerationStart = LocalPreferences.get("multirename_fileEnumerationStart", 0);
                 fileRenamer.fileEnumerationStart = Number(multirename_fileEnumerationStart);
-                $("file_counter").value = fileRenamer.fileEnumerationStart;
+                document.getElementById("file_counter").value = fileRenamer.fileEnumerationStart;
 
                 const multirename_replaceAll = LocalPreferences.get("multirename_replaceAll", false);
                 fileRenamer.replaceAll = multirename_replaceAll === "true";
                 const renameButtonValue = fileRenamer.replaceAll ? "Replace All" : "Replace";
-                $("renameOptions").value = renameButtonValue;
-                $("renameButton").value = renameButtonValue;
+                document.getElementById("renameOptions").value = renameButtonValue;
+                document.getElementById("renameButton").value = renameButtonValue;
             }
 
             // Fires every time a row's selection changes
@@ -133,26 +133,26 @@
             };
 
             // Setup Search Events that control renaming
-            $("multiRenameSearch").addEventListener("input", (e) => {
+            document.getElementById("multiRenameSearch").addEventListener("input", (e) => {
                 const sanitized = e.target.value.replace(/\n/g, "");
-                $("multiRenameSearch").value = sanitized;
+                document.getElementById("multiRenameSearch").value = sanitized;
 
                 // Search input has changed
-                $("multiRenameSearch").style["border-color"] = "";
+                document.getElementById("multiRenameSearch").style["border-color"] = "";
                 LocalPreferences.set("multirename_search", sanitized);
                 fileRenamer.setSearch(sanitized);
             });
-            $("use_regex_search").addEventListener("change", (e) => {
+            document.getElementById("use_regex_search").addEventListener("change", (e) => {
                 fileRenamer.useRegex = e.target.checked;
                 LocalPreferences.set("multirename_useRegex", e.target.checked);
                 fileRenamer.update();
             });
-            $("match_all_occurrences").addEventListener("change", (e) => {
+            document.getElementById("match_all_occurrences").addEventListener("change", (e) => {
                 fileRenamer.matchAllOccurrences = e.target.checked;
                 LocalPreferences.set("multirename_matchAllOccurrences", e.target.checked);
                 fileRenamer.update();
             });
-            $("case_sensitive").addEventListener("change", (e) => {
+            document.getElementById("case_sensitive").addEventListener("change", (e) => {
                 fileRenamer.caseSensitive = e.target.checked;
                 LocalPreferences.set("multirename_caseSensitive", e.target.checked);
                 fileRenamer.update();
@@ -179,35 +179,35 @@
                 }
             };
             fileRenamer.onInvalidRegex = (err) => {
-                $("multiRenameSearch").style["border-color"] = "#CC0033";
+                document.getElementById("multiRenameSearch").style["border-color"] = "#CC0033";
             };
 
             // Setup Replace Events that control renaming
-            $("multiRenameReplace").addEventListener("input", (e) => {
+            document.getElementById("multiRenameReplace").addEventListener("input", (e) => {
                 const sanitized = e.target.value.replace(/\n/g, "");
-                $("multiRenameReplace").value = sanitized;
+                document.getElementById("multiRenameReplace").value = sanitized;
 
                 // Replace input has changed
-                $("multiRenameReplace").style["border-color"] = "";
+                document.getElementById("multiRenameReplace").style["border-color"] = "";
                 LocalPreferences.set("multirename_replace", sanitized);
                 fileRenamer.setReplacement(sanitized);
             });
-            $("applies_to_option").addEventListener("change", (e) => {
+            document.getElementById("applies_to_option").addEventListener("change", (e) => {
                 fileRenamer.appliesTo = e.target.value;
                 LocalPreferences.set("multirename_appliesTo", e.target.value);
                 fileRenamer.update();
             });
-            $("include_files").addEventListener("change", (e) => {
+            document.getElementById("include_files").addEventListener("change", (e) => {
                 fileRenamer.includeFiles = e.target.checked;
                 LocalPreferences.set("multirename_includeFiles", e.target.checked);
                 fileRenamer.update();
             });
-            $("include_folders").addEventListener("change", (e) => {
+            document.getElementById("include_folders").addEventListener("change", (e) => {
                 fileRenamer.includeFolders = e.target.checked;
                 LocalPreferences.set("multirename_includeFolders", e.target.checked);
                 fileRenamer.update();
             });
-            $("file_counter").addEventListener("input", (e) => {
+            document.getElementById("file_counter").addEventListener("input", (e) => {
                 let value = e.target.valueAsNumber;
                 if (!value)
                     value = 0;
@@ -216,46 +216,46 @@
                 if (value > 99999999)
                     value = 99999999;
                 fileRenamer.fileEnumerationStart = value;
-                $("file_counter").value = value;
+                document.getElementById("file_counter").value = value;
                 LocalPreferences.set("multirename_fileEnumerationStart", value);
                 fileRenamer.update();
             });
 
             // Setup Rename Operation Events
-            $("renameButton").addEventListener("click", (e) => {
+            document.getElementById("renameButton").addEventListener("click", (e) => {
                 // Disable Search Options
-                $("multiRenameSearch").disabled = true;
-                $("use_regex_search").disabled = true;
-                $("match_all_occurrences").disabled = true;
-                $("case_sensitive").disabled = true;
+                document.getElementById("multiRenameSearch").disabled = true;
+                document.getElementById("use_regex_search").disabled = true;
+                document.getElementById("match_all_occurrences").disabled = true;
+                document.getElementById("case_sensitive").disabled = true;
                 // Disable Replace Options
-                $("multiRenameReplace").disabled = true;
-                $("applies_to_option").disabled = true;
-                $("include_files").disabled = true;
-                $("include_folders").disabled = true;
-                $("file_counter").disabled = true;
+                document.getElementById("multiRenameReplace").disabled = true;
+                document.getElementById("applies_to_option").disabled = true;
+                document.getElementById("include_files").disabled = true;
+                document.getElementById("include_folders").disabled = true;
+                document.getElementById("file_counter").disabled = true;
                 // Disable Rename Buttons
-                $("renameButton").disabled = true;
-                $("renameOptions").disabled = true;
+                document.getElementById("renameButton").disabled = true;
+                document.getElementById("renameOptions").disabled = true;
                 // Clear error text
-                $("rename_error").textContent = "";
+                document.getElementById("rename_error").textContent = "";
                 fileRenamer.rename();
             });
             fileRenamer.onRenamed = (rows) => {
                 // Disable Search Options
-                $("multiRenameSearch").disabled = false;
-                $("use_regex_search").disabled = false;
-                $("match_all_occurrences").disabled = false;
-                $("case_sensitive").disabled = false;
+                document.getElementById("multiRenameSearch").disabled = false;
+                document.getElementById("use_regex_search").disabled = false;
+                document.getElementById("match_all_occurrences").disabled = false;
+                document.getElementById("case_sensitive").disabled = false;
                 // Disable Replace Options
-                $("multiRenameReplace").disabled = false;
-                $("applies_to_option").disabled = false;
-                $("include_files").disabled = false;
-                $("include_folders").disabled = false;
-                $("file_counter").disabled = false;
+                document.getElementById("multiRenameReplace").disabled = false;
+                document.getElementById("applies_to_option").disabled = false;
+                document.getElementById("include_files").disabled = false;
+                document.getElementById("include_folders").disabled = false;
+                document.getElementById("file_counter").disabled = false;
                 // Disable Rename Buttons
-                $("renameButton").disabled = false;
-                $("renameOptions").disabled = false;
+                document.getElementById("renameButton").disabled = false;
+                document.getElementById("renameOptions").disabled = false;
 
                 // Recreate table
                 let selectedRows = bulkRenameFilesTable.getSelectedRows().map(row => row.rowId.toString());
@@ -266,15 +266,15 @@
                 // Adjust file enumeration count by 1 when replacing single files to prevent naming conflicts
                 if (!fileRenamer.replaceAll) {
                     fileRenamer.fileEnumerationStart++;
-                    $("file_counter").value = fileRenamer.fileEnumerationStart;
+                    document.getElementById("file_counter").value = fileRenamer.fileEnumerationStart;
                 }
                 setupTable(selectedRows);
             };
             fileRenamer.onRenameError = (response, row) => {
                 if (response.status === 409)
-                    $("rename_error").textContent = `QBT_TR(Rename failed: file or folder already exists)QBT_TR[CONTEXT=PropertiesWidget] \`${row.renamed}\``;
+                    document.getElementById("rename_error").textContent = `QBT_TR(Rename failed: file or folder already exists)QBT_TR[CONTEXT=PropertiesWidget] \`${row.renamed}\``;
             };
-            $("renameOptions").addEventListener("change", (e) => {
+            document.getElementById("renameOptions").addEventListener("change", (e) => {
                 const combobox = e.target;
                 const replaceOperation = combobox.value;
                 if (replaceOperation === "Replace")
@@ -284,9 +284,9 @@
                 else
                     fileRenamer.replaceAll = false;
                 LocalPreferences.set("multirename_replaceAll", fileRenamer.replaceAll);
-                $("renameButton").value = replaceOperation;
+                document.getElementById("renameButton").value = replaceOperation;
             });
-            $("closeButton").addEventListener("click", (event) => {
+            document.getElementById("closeButton").addEventListener("click", (event) => {
                 event.preventDefault();
                 window.qBittorrent.Client.closeWindow(windowEl);
             });
diff --git a/src/webui/www/private/rename_rule.html b/src/webui/www/private/rename_rule.html
index dc0c39b75..c67d81026 100644
--- a/src/webui/www/private/rename_rule.html
+++ b/src/webui/www/private/rename_rule.html
@@ -18,7 +18,7 @@
                 switch (event.key) {
                     case "Enter":
                         event.preventDefault();
-                        $("renameButton").click();
+                        document.getElementById("renameButton").click();
                         break;
                     case "Escape":
                         event.preventDefault();
@@ -29,16 +29,16 @@
 
             const oldName = new URLSearchParams(window.location.search).get("rule");
 
-            $("rename").value = oldName;
-            $("rename").focus();
-            $("rename").setSelectionRange(0, oldName.length);
+            document.getElementById("rename").value = oldName;
+            document.getElementById("rename").focus();
+            document.getElementById("rename").setSelectionRange(0, oldName.length);
 
-            $("renameButton").addEventListener("click", (e) => {
+            document.getElementById("renameButton").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
                 // check field
-                const newName = $("rename").value.trim();
+                const newName = document.getElementById("rename").value.trim();
                 if (newName === "") {
                     alert("QBT_TR(Name cannot be empty)QBT_TR[CONTEXT=HttpServer]");
                     return;
@@ -49,7 +49,7 @@
                     return;
                 }
 
-                $("renameButton").disabled = true;
+                document.getElementById("renameButton").disabled = true;
 
                 fetch("api/v2/rss/renameRule", {
                         method: "POST",
diff --git a/src/webui/www/private/scripts/cache.js b/src/webui/www/private/scripts/cache.js
index 3b93c8757..999a5db2d 100644
--- a/src/webui/www/private/scripts/cache.js
+++ b/src/webui/www/private/scripts/cache.js
@@ -53,7 +53,7 @@ window.qBittorrent.Cache ??= (() => {
     class BuildInfoCache {
         #m_store = {};
 
-        async init() {
+        init() {
             return fetch("api/v2/app/buildInfo", {
                     method: "GET",
                     cache: "no-store"
@@ -80,7 +80,7 @@ window.qBittorrent.Cache ??= (() => {
         //   onFailure: () => {},
         //   onSuccess: () => {}
         // }
-        async init(obj = {}) {
+        init(obj = {}) {
             return fetch("api/v2/app/preferences", {
                     method: "GET",
                     cache: "no-store"
@@ -153,7 +153,7 @@ window.qBittorrent.Cache ??= (() => {
     class QbtVersionCache {
         #m_store = "";
 
-        async init() {
+        init() {
             return fetch("api/v2/app/version", {
                     method: "GET",
                     cache: "no-store"
diff --git a/src/webui/www/private/scripts/client.js b/src/webui/www/private/scripts/client.js
index 15e7af365..6ca444d79 100644
--- a/src/webui/www/private/scripts/client.js
+++ b/src/webui/www/private/scripts/client.js
@@ -180,15 +180,15 @@ window.addEventListener("DOMContentLoaded", () => {
     let isRssPanelLoaded = false;
 
     const saveColumnSizes = () => {
-        const filters_width = $("Filters").getSize().x;
+        const filters_width = document.getElementById("Filters").getSize().x;
         LocalPreferences.set("filters_width", filters_width);
-        const properties_height_rel = $("propertiesPanel").getSize().y / Window.getSize().y;
+        const properties_height_rel = document.getElementById("propertiesPanel").getSize().y / Window.getSize().y;
         LocalPreferences.set("properties_height_rel", properties_height_rel);
     };
 
     window.addEventListener("resize", window.qBittorrent.Misc.createDebounceHandler(500, (e) => {
         // only save sizes if the columns are visible
-        if (!$("mainColumn").classList.contains("invisible"))
+        if (!document.getElementById("mainColumn").classList.contains("invisible"))
             saveColumnSizes();
     }));
 
@@ -221,7 +221,7 @@ window.addEventListener("DOMContentLoaded", () => {
         });
 
         // start off hidden
-        $("searchTabColumn").classList.add("invisible");
+        document.getElementById("searchTabColumn").classList.add("invisible");
     };
 
     const buildRssTab = () => {
@@ -232,7 +232,7 @@ window.addEventListener("DOMContentLoaded", () => {
         });
 
         // start off hidden
-        $("rssTabColumn").classList.add("invisible");
+        document.getElementById("rssTabColumn").classList.add("invisible");
     };
 
     const buildLogTab = () => {
@@ -243,7 +243,7 @@ window.addEventListener("DOMContentLoaded", () => {
         });
 
         // start off hidden
-        $("logTabColumn").classList.add("invisible");
+        document.getElementById("logTabColumn").classList.add("invisible");
     };
 
     buildTransfersTab();
@@ -342,28 +342,28 @@ window.addEventListener("DOMContentLoaded", () => {
     // Show Top Toolbar is enabled by default
     let showTopToolbar = LocalPreferences.get("show_top_toolbar", "true") === "true";
     if (!showTopToolbar) {
-        $("showTopToolbarLink").firstElementChild.style.opacity = "0";
-        $("mochaToolbar").classList.add("invisible");
+        document.getElementById("showTopToolbarLink").firstElementChild.style.opacity = "0";
+        document.getElementById("mochaToolbar").classList.add("invisible");
     }
 
     // Show Status Bar is enabled by default
     let showStatusBar = LocalPreferences.get("show_status_bar", "true") === "true";
     if (!showStatusBar) {
-        $("showStatusBarLink").firstElementChild.style.opacity = "0";
-        $("desktopFooterWrapper").classList.add("invisible");
+        document.getElementById("showStatusBarLink").firstElementChild.style.opacity = "0";
+        document.getElementById("desktopFooterWrapper").classList.add("invisible");
     }
 
     // Show Filters Sidebar is enabled by default
     let showFiltersSidebar = LocalPreferences.get("show_filters_sidebar", "true") === "true";
     if (!showFiltersSidebar) {
-        $("showFiltersSidebarLink").firstElementChild.style.opacity = "0";
-        $("filtersColumn").classList.add("invisible");
-        $("filtersColumn_handle").classList.add("invisible");
+        document.getElementById("showFiltersSidebarLink").firstElementChild.style.opacity = "0";
+        document.getElementById("filtersColumn").classList.add("invisible");
+        document.getElementById("filtersColumn_handle").classList.add("invisible");
     }
 
     let speedInTitle = LocalPreferences.get("speed_in_browser_title_bar") === "true";
     if (!speedInTitle)
-        $("speedInBrowserTitleBarLink").firstElementChild.style.opacity = "0";
+        document.getElementById("speedInBrowserTitleBarLink").firstElementChild.style.opacity = "0";
 
     // After showing/hiding the toolbar + status bar
     window.qBittorrent.Client.showSearchEngine(LocalPreferences.get("show_search_engine") !== "false");
@@ -614,7 +614,7 @@ window.addEventListener("DOMContentLoaded", () => {
     };
 
     const updateTagList = () => {
-        const tagFilterList = $("tagFilterList");
+        const tagFilterList = document.getElementById("tagFilterList");
         if (tagFilterList === null)
             return;
 
@@ -667,7 +667,7 @@ window.addEventListener("DOMContentLoaded", () => {
     };
 
     const updateTrackerList = () => {
-        const trackerFilterList = $("trackerFilterList");
+        const trackerFilterList = document.getElementById("trackerFilterList");
         if (trackerFilterList === null)
             return;
 
@@ -763,7 +763,7 @@ window.addEventListener("DOMContentLoaded", () => {
             })
             .then(async (response) => {
                     if (response.ok) {
-                        $("error_div").textContent = "";
+                        document.getElementById("error_div").textContent = "";
 
                         const responseJSON = await response.json();
 
@@ -933,7 +933,7 @@ window.addEventListener("DOMContentLoaded", () => {
                     syncData(window.qBittorrent.Client.getSyncMainDataInterval());
                 },
                 (error) => {
-                    const errorDiv = $("error_div");
+                    const errorDiv = document.getElementById("error_div");
                     if (errorDiv)
                         errorDiv.textContent = "QBT_TR(qBittorrent client is not reachable)QBT_TR[CONTEXT=HttpServer]";
                     syncRequestInProgress = false;
@@ -964,12 +964,12 @@ window.addEventListener("DOMContentLoaded", () => {
         if (serverState.dl_rate_limit > 0)
             transfer_info += ` [${window.qBittorrent.Misc.friendlyUnit(serverState.dl_rate_limit, true)}]`;
         transfer_info += ` (${window.qBittorrent.Misc.friendlyUnit(serverState.dl_info_data, false)})`;
-        $("DlInfos").textContent = transfer_info;
+        document.getElementById("DlInfos").textContent = transfer_info;
         transfer_info = window.qBittorrent.Misc.friendlyUnit(serverState.up_info_speed, true);
         if (serverState.up_rate_limit > 0)
             transfer_info += ` [${window.qBittorrent.Misc.friendlyUnit(serverState.up_rate_limit, true)}]`;
         transfer_info += ` (${window.qBittorrent.Misc.friendlyUnit(serverState.up_info_data, false)})`;
-        $("UpInfos").textContent = transfer_info;
+        document.getElementById("UpInfos").textContent = transfer_info;
 
         document.title = (speedInTitle
                 ? (`QBT_TR([D: %1, U: %2])QBT_TR[CONTEXT=MainWindow] `
@@ -978,7 +978,7 @@ window.addEventListener("DOMContentLoaded", () => {
                 : "")
             + window.qBittorrent.Client.mainTitle();
 
-        $("freeSpaceOnDisk").textContent = "QBT_TR(Free space: %1)QBT_TR[CONTEXT=HttpServer]".replace("%1", window.qBittorrent.Misc.friendlyUnit(serverState.free_space_on_disk));
+        document.getElementById("freeSpaceOnDisk").textContent = "QBT_TR(Free space: %1)QBT_TR[CONTEXT=HttpServer]".replace("%1", window.qBittorrent.Misc.friendlyUnit(serverState.free_space_on_disk));
 
         const externalIPsElement = document.getElementById("externalIPs");
         if (window.qBittorrent.Cache.preferences.get().status_bar_external_ip) {
@@ -1015,35 +1015,35 @@ window.addEventListener("DOMContentLoaded", () => {
 
         // Statistics dialog
         if (document.getElementById("statisticsContent")) {
-            $("AlltimeDL").textContent = window.qBittorrent.Misc.friendlyUnit(serverState.alltime_dl, false);
-            $("AlltimeUL").textContent = window.qBittorrent.Misc.friendlyUnit(serverState.alltime_ul, false);
-            $("TotalWastedSession").textContent = window.qBittorrent.Misc.friendlyUnit(serverState.total_wasted_session, false);
-            $("GlobalRatio").textContent = serverState.global_ratio;
-            $("TotalPeerConnections").textContent = serverState.total_peer_connections;
-            $("ReadCacheHits").textContent = `${serverState.read_cache_hits}%`;
-            $("TotalBuffersSize").textContent = window.qBittorrent.Misc.friendlyUnit(serverState.total_buffers_size, false);
-            $("WriteCacheOverload").textContent = `${serverState.write_cache_overload}%`;
-            $("ReadCacheOverload").textContent = `${serverState.read_cache_overload}%`;
-            $("QueuedIOJobs").textContent = serverState.queued_io_jobs;
-            $("AverageTimeInQueue").textContent = `${serverState.average_time_queue} ms`;
-            $("TotalQueuedSize").textContent = window.qBittorrent.Misc.friendlyUnit(serverState.total_queued_size, false);
+            document.getElementById("AlltimeDL").textContent = window.qBittorrent.Misc.friendlyUnit(serverState.alltime_dl, false);
+            document.getElementById("AlltimeUL").textContent = window.qBittorrent.Misc.friendlyUnit(serverState.alltime_ul, false);
+            document.getElementById("TotalWastedSession").textContent = window.qBittorrent.Misc.friendlyUnit(serverState.total_wasted_session, false);
+            document.getElementById("GlobalRatio").textContent = serverState.global_ratio;
+            document.getElementById("TotalPeerConnections").textContent = serverState.total_peer_connections;
+            document.getElementById("ReadCacheHits").textContent = `${serverState.read_cache_hits}%`;
+            document.getElementById("TotalBuffersSize").textContent = window.qBittorrent.Misc.friendlyUnit(serverState.total_buffers_size, false);
+            document.getElementById("WriteCacheOverload").textContent = `${serverState.write_cache_overload}%`;
+            document.getElementById("ReadCacheOverload").textContent = `${serverState.read_cache_overload}%`;
+            document.getElementById("QueuedIOJobs").textContent = serverState.queued_io_jobs;
+            document.getElementById("AverageTimeInQueue").textContent = `${serverState.average_time_queue} ms`;
+            document.getElementById("TotalQueuedSize").textContent = window.qBittorrent.Misc.friendlyUnit(serverState.total_queued_size, false);
         }
 
         switch (serverState.connection_status) {
             case "connected":
-                $("connectionStatus").src = "images/connected.svg";
-                $("connectionStatus").alt = "QBT_TR(Connection status: Connected)QBT_TR[CONTEXT=MainWindow]";
-                $("connectionStatus").title = "QBT_TR(Connection status: Connected)QBT_TR[CONTEXT=MainWindow]";
+                document.getElementById("connectionStatus").src = "images/connected.svg";
+                document.getElementById("connectionStatus").alt = "QBT_TR(Connection status: Connected)QBT_TR[CONTEXT=MainWindow]";
+                document.getElementById("connectionStatus").title = "QBT_TR(Connection status: Connected)QBT_TR[CONTEXT=MainWindow]";
                 break;
             case "firewalled":
-                $("connectionStatus").src = "images/firewalled.svg";
-                $("connectionStatus").alt = "QBT_TR(Connection status: Firewalled)QBT_TR[CONTEXT=MainWindow]";
-                $("connectionStatus").title = "QBT_TR(Connection status: Firewalled)QBT_TR[CONTEXT=MainWindow]";
+                document.getElementById("connectionStatus").src = "images/firewalled.svg";
+                document.getElementById("connectionStatus").alt = "QBT_TR(Connection status: Firewalled)QBT_TR[CONTEXT=MainWindow]";
+                document.getElementById("connectionStatus").title = "QBT_TR(Connection status: Firewalled)QBT_TR[CONTEXT=MainWindow]";
                 break;
             default:
-                $("connectionStatus").src = "images/disconnected.svg";
-                $("connectionStatus").alt = "QBT_TR(Connection status: Disconnected)QBT_TR[CONTEXT=MainWindow]";
-                $("connectionStatus").title = "QBT_TR(Connection status: Disconnected)QBT_TR[CONTEXT=MainWindow]";
+                document.getElementById("connectionStatus").src = "images/disconnected.svg";
+                document.getElementById("connectionStatus").alt = "QBT_TR(Connection status: Disconnected)QBT_TR[CONTEXT=MainWindow]";
+                document.getElementById("connectionStatus").title = "QBT_TR(Connection status: Disconnected)QBT_TR[CONTEXT=MainWindow]";
                 break;
         }
 
@@ -1052,20 +1052,20 @@ window.addEventListener("DOMContentLoaded", () => {
             torrentsTable.columns["priority"].force_hide = !queueing_enabled;
             torrentsTable.updateColumn("priority");
             if (queueing_enabled) {
-                $("topQueuePosItem").classList.remove("invisible");
-                $("increaseQueuePosItem").classList.remove("invisible");
-                $("decreaseQueuePosItem").classList.remove("invisible");
-                $("bottomQueuePosItem").classList.remove("invisible");
-                $("queueingButtons").classList.remove("invisible");
-                $("queueingMenuItems").classList.remove("invisible");
+                document.getElementById("topQueuePosItem").classList.remove("invisible");
+                document.getElementById("increaseQueuePosItem").classList.remove("invisible");
+                document.getElementById("decreaseQueuePosItem").classList.remove("invisible");
+                document.getElementById("bottomQueuePosItem").classList.remove("invisible");
+                document.getElementById("queueingButtons").classList.remove("invisible");
+                document.getElementById("queueingMenuItems").classList.remove("invisible");
             }
             else {
-                $("topQueuePosItem").classList.add("invisible");
-                $("increaseQueuePosItem").classList.add("invisible");
-                $("decreaseQueuePosItem").classList.add("invisible");
-                $("bottomQueuePosItem").classList.add("invisible");
-                $("queueingButtons").classList.add("invisible");
-                $("queueingMenuItems").classList.add("invisible");
+                document.getElementById("topQueuePosItem").classList.add("invisible");
+                document.getElementById("increaseQueuePosItem").classList.add("invisible");
+                document.getElementById("decreaseQueuePosItem").classList.add("invisible");
+                document.getElementById("bottomQueuePosItem").classList.add("invisible");
+                document.getElementById("queueingButtons").classList.add("invisible");
+                document.getElementById("queueingMenuItems").classList.add("invisible");
             }
         }
 
@@ -1084,18 +1084,18 @@ window.addEventListener("DOMContentLoaded", () => {
 
     const updateAltSpeedIcon = (enabled) => {
         if (enabled) {
-            $("alternativeSpeedLimits").src = "images/slow.svg";
-            $("alternativeSpeedLimits").alt = "QBT_TR(Alternative speed limits: On)QBT_TR[CONTEXT=MainWindow]";
-            $("alternativeSpeedLimits").title = "QBT_TR(Alternative speed limits: On)QBT_TR[CONTEXT=MainWindow]";
+            document.getElementById("alternativeSpeedLimits").src = "images/slow.svg";
+            document.getElementById("alternativeSpeedLimits").alt = "QBT_TR(Alternative speed limits: On)QBT_TR[CONTEXT=MainWindow]";
+            document.getElementById("alternativeSpeedLimits").title = "QBT_TR(Alternative speed limits: On)QBT_TR[CONTEXT=MainWindow]";
         }
         else {
-            $("alternativeSpeedLimits").src = "images/slow_off.svg";
-            $("alternativeSpeedLimits").alt = "QBT_TR(Alternative speed limits: Off)QBT_TR[CONTEXT=MainWindow]";
-            $("alternativeSpeedLimits").title = "QBT_TR(Alternative speed limits: Off)QBT_TR[CONTEXT=MainWindow]";
+            document.getElementById("alternativeSpeedLimits").src = "images/slow_off.svg";
+            document.getElementById("alternativeSpeedLimits").alt = "QBT_TR(Alternative speed limits: Off)QBT_TR[CONTEXT=MainWindow]";
+            document.getElementById("alternativeSpeedLimits").title = "QBT_TR(Alternative speed limits: Off)QBT_TR[CONTEXT=MainWindow]";
         }
     };
 
-    $("alternativeSpeedLimits").addEventListener("click", () => {
+    document.getElementById("alternativeSpeedLimits").addEventListener("click", () => {
         // Change icon immediately to give some feedback
         updateAltSpeedIcon(!alternativeSpeedLimits);
 
@@ -1114,33 +1114,33 @@ window.addEventListener("DOMContentLoaded", () => {
             });
     });
 
-    $("DlInfos").addEventListener("click", () => { globalDownloadLimitFN(); });
-    $("UpInfos").addEventListener("click", () => { globalUploadLimitFN(); });
+    document.getElementById("DlInfos").addEventListener("click", () => { globalDownloadLimitFN(); });
+    document.getElementById("UpInfos").addEventListener("click", () => { globalUploadLimitFN(); });
 
-    $("showTopToolbarLink").addEventListener("click", (e) => {
+    document.getElementById("showTopToolbarLink").addEventListener("click", (e) => {
         showTopToolbar = !showTopToolbar;
         LocalPreferences.set("show_top_toolbar", showTopToolbar.toString());
         if (showTopToolbar) {
-            $("showTopToolbarLink").firstElementChild.style.opacity = "1";
-            $("mochaToolbar").classList.remove("invisible");
+            document.getElementById("showTopToolbarLink").firstElementChild.style.opacity = "1";
+            document.getElementById("mochaToolbar").classList.remove("invisible");
         }
         else {
-            $("showTopToolbarLink").firstElementChild.style.opacity = "0";
-            $("mochaToolbar").classList.add("invisible");
+            document.getElementById("showTopToolbarLink").firstElementChild.style.opacity = "0";
+            document.getElementById("mochaToolbar").classList.add("invisible");
         }
         MochaUI.Desktop.setDesktopSize();
     });
 
-    $("showStatusBarLink").addEventListener("click", (e) => {
+    document.getElementById("showStatusBarLink").addEventListener("click", (e) => {
         showStatusBar = !showStatusBar;
         LocalPreferences.set("show_status_bar", showStatusBar.toString());
         if (showStatusBar) {
-            $("showStatusBarLink").firstElementChild.style.opacity = "1";
-            $("desktopFooterWrapper").classList.remove("invisible");
+            document.getElementById("showStatusBarLink").firstElementChild.style.opacity = "1";
+            document.getElementById("desktopFooterWrapper").classList.remove("invisible");
         }
         else {
-            $("showStatusBarLink").firstElementChild.style.opacity = "0";
-            $("desktopFooterWrapper").classList.add("invisible");
+            document.getElementById("showStatusBarLink").firstElementChild.style.opacity = "0";
+            document.getElementById("desktopFooterWrapper").classList.add("invisible");
         }
         MochaUI.Desktop.setDesktopSize();
     });
@@ -1164,49 +1164,49 @@ window.addEventListener("DOMContentLoaded", () => {
         navigator.registerProtocolHandler("magnet", templateUrl,
             "qBittorrent WebUI magnet handler");
     };
-    $("registerMagnetHandlerLink").addEventListener("click", (e) => {
+    document.getElementById("registerMagnetHandlerLink").addEventListener("click", (e) => {
         registerMagnetHandler();
     });
 
-    $("showFiltersSidebarLink").addEventListener("click", (e) => {
+    document.getElementById("showFiltersSidebarLink").addEventListener("click", (e) => {
         showFiltersSidebar = !showFiltersSidebar;
         LocalPreferences.set("show_filters_sidebar", showFiltersSidebar.toString());
         if (showFiltersSidebar) {
-            $("showFiltersSidebarLink").firstElementChild.style.opacity = "1";
-            $("filtersColumn").classList.remove("invisible");
-            $("filtersColumn_handle").classList.remove("invisible");
+            document.getElementById("showFiltersSidebarLink").firstElementChild.style.opacity = "1";
+            document.getElementById("filtersColumn").classList.remove("invisible");
+            document.getElementById("filtersColumn_handle").classList.remove("invisible");
         }
         else {
-            $("showFiltersSidebarLink").firstElementChild.style.opacity = "0";
-            $("filtersColumn").classList.add("invisible");
-            $("filtersColumn_handle").classList.add("invisible");
+            document.getElementById("showFiltersSidebarLink").firstElementChild.style.opacity = "0";
+            document.getElementById("filtersColumn").classList.add("invisible");
+            document.getElementById("filtersColumn_handle").classList.add("invisible");
         }
         MochaUI.Desktop.setDesktopSize();
     });
 
-    $("speedInBrowserTitleBarLink").addEventListener("click", (e) => {
+    document.getElementById("speedInBrowserTitleBarLink").addEventListener("click", (e) => {
         speedInTitle = !speedInTitle;
         LocalPreferences.set("speed_in_browser_title_bar", speedInTitle.toString());
         if (speedInTitle)
-            $("speedInBrowserTitleBarLink").firstElementChild.style.opacity = "1";
+            document.getElementById("speedInBrowserTitleBarLink").firstElementChild.style.opacity = "1";
         else
-            $("speedInBrowserTitleBarLink").firstElementChild.style.opacity = "0";
+            document.getElementById("speedInBrowserTitleBarLink").firstElementChild.style.opacity = "0";
         processServerState();
     });
 
-    $("showSearchEngineLink").addEventListener("click", (e) => {
+    document.getElementById("showSearchEngineLink").addEventListener("click", (e) => {
         window.qBittorrent.Client.showSearchEngine(!window.qBittorrent.Client.isShowSearchEngine());
         LocalPreferences.set("show_search_engine", window.qBittorrent.Client.isShowSearchEngine().toString());
         updateTabDisplay();
     });
 
-    $("showRssReaderLink").addEventListener("click", (e) => {
+    document.getElementById("showRssReaderLink").addEventListener("click", (e) => {
         window.qBittorrent.Client.showRssReader(!window.qBittorrent.Client.isShowRssReader());
         LocalPreferences.set("show_rss_reader", window.qBittorrent.Client.isShowRssReader().toString());
         updateTabDisplay();
     });
 
-    $("showLogViewerLink").addEventListener("click", (e) => {
+    document.getElementById("showLogViewerLink").addEventListener("click", (e) => {
         window.qBittorrent.Client.showLogViewer(!window.qBittorrent.Client.isShowLogViewer());
         LocalPreferences.set("show_log_viewer", window.qBittorrent.Client.isShowLogViewer().toString());
         updateTabDisplay();
@@ -1214,64 +1214,64 @@ window.addEventListener("DOMContentLoaded", () => {
 
     const updateTabDisplay = () => {
         if (window.qBittorrent.Client.isShowRssReader()) {
-            $("showRssReaderLink").firstElementChild.style.opacity = "1";
-            $("mainWindowTabs").classList.remove("invisible");
-            $("rssTabLink").classList.remove("invisible");
+            document.getElementById("showRssReaderLink").firstElementChild.style.opacity = "1";
+            document.getElementById("mainWindowTabs").classList.remove("invisible");
+            document.getElementById("rssTabLink").classList.remove("invisible");
             if (!MochaUI.Panels.instances.RssPanel)
                 addRssPanel();
         }
         else {
-            $("showRssReaderLink").firstElementChild.style.opacity = "0";
-            $("rssTabLink").classList.add("invisible");
-            if ($("rssTabLink").classList.contains("selected"))
-                $("transfersTabLink").click();
+            document.getElementById("showRssReaderLink").firstElementChild.style.opacity = "0";
+            document.getElementById("rssTabLink").classList.add("invisible");
+            if (document.getElementById("rssTabLink").classList.contains("selected"))
+                document.getElementById("transfersTabLink").click();
         }
 
         if (window.qBittorrent.Client.isShowSearchEngine()) {
-            $("showSearchEngineLink").firstElementChild.style.opacity = "1";
-            $("mainWindowTabs").classList.remove("invisible");
-            $("searchTabLink").classList.remove("invisible");
+            document.getElementById("showSearchEngineLink").firstElementChild.style.opacity = "1";
+            document.getElementById("mainWindowTabs").classList.remove("invisible");
+            document.getElementById("searchTabLink").classList.remove("invisible");
             if (!MochaUI.Panels.instances.SearchPanel)
                 addSearchPanel();
         }
         else {
-            $("showSearchEngineLink").firstElementChild.style.opacity = "0";
-            $("searchTabLink").classList.add("invisible");
-            if ($("searchTabLink").classList.contains("selected"))
-                $("transfersTabLink").click();
+            document.getElementById("showSearchEngineLink").firstElementChild.style.opacity = "0";
+            document.getElementById("searchTabLink").classList.add("invisible");
+            if (document.getElementById("searchTabLink").classList.contains("selected"))
+                document.getElementById("transfersTabLink").click();
         }
 
         if (window.qBittorrent.Client.isShowLogViewer()) {
-            $("showLogViewerLink").firstElementChild.style.opacity = "1";
-            $("mainWindowTabs").classList.remove("invisible");
-            $("logTabLink").classList.remove("invisible");
+            document.getElementById("showLogViewerLink").firstElementChild.style.opacity = "1";
+            document.getElementById("mainWindowTabs").classList.remove("invisible");
+            document.getElementById("logTabLink").classList.remove("invisible");
             if (!MochaUI.Panels.instances.LogPanel)
                 addLogPanel();
         }
         else {
-            $("showLogViewerLink").firstElementChild.style.opacity = "0";
-            $("logTabLink").classList.add("invisible");
-            if ($("logTabLink").classList.contains("selected"))
-                $("transfersTabLink").click();
+            document.getElementById("showLogViewerLink").firstElementChild.style.opacity = "0";
+            document.getElementById("logTabLink").classList.add("invisible");
+            if (document.getElementById("logTabLink").classList.contains("selected"))
+                document.getElementById("transfersTabLink").click();
         }
 
         // display no tabs
         if (!window.qBittorrent.Client.isShowRssReader() && !window.qBittorrent.Client.isShowSearchEngine() && !window.qBittorrent.Client.isShowLogViewer())
-            $("mainWindowTabs").classList.add("invisible");
+            document.getElementById("mainWindowTabs").classList.add("invisible");
     };
 
-    $("StatisticsLink").addEventListener("click", () => { StatisticsLinkFN(); });
+    document.getElementById("StatisticsLink").addEventListener("click", () => { StatisticsLinkFN(); });
 
     // main window tabs
 
     const showTransfersTab = () => {
         const showFiltersSidebar = LocalPreferences.get("show_filters_sidebar", "true") === "true";
         if (showFiltersSidebar) {
-            $("filtersColumn").classList.remove("invisible");
-            $("filtersColumn_handle").classList.remove("invisible");
+            document.getElementById("filtersColumn").classList.remove("invisible");
+            document.getElementById("filtersColumn_handle").classList.remove("invisible");
         }
-        $("mainColumn").classList.remove("invisible");
-        $("torrentsFilterToolbar").classList.remove("invisible");
+        document.getElementById("mainColumn").classList.remove("invisible");
+        document.getElementById("torrentsFilterToolbar").classList.remove("invisible");
 
         customSyncMainDataInterval = null;
         syncData(100);
@@ -1284,10 +1284,10 @@ window.addEventListener("DOMContentLoaded", () => {
     };
 
     const hideTransfersTab = () => {
-        $("filtersColumn").classList.add("invisible");
-        $("filtersColumn_handle").classList.add("invisible");
-        $("mainColumn").classList.add("invisible");
-        $("torrentsFilterToolbar").classList.add("invisible");
+        document.getElementById("filtersColumn").classList.add("invisible");
+        document.getElementById("filtersColumn_handle").classList.add("invisible");
+        document.getElementById("mainColumn").classList.add("invisible");
+        document.getElementById("torrentsFilterToolbar").classList.add("invisible");
         MochaUI.Desktop.resizePanels();
     };
 
@@ -1310,7 +1310,7 @@ window.addEventListener("DOMContentLoaded", () => {
                 searchTabInitialized = true;
             }
 
-            $("searchTabColumn").classList.remove("invisible");
+            document.getElementById("searchTabColumn").classList.remove("invisible");
             customSyncMainDataInterval = 30000;
             hideTransfersTab();
             hideRssTab();
@@ -1321,7 +1321,7 @@ window.addEventListener("DOMContentLoaded", () => {
     })();
 
     const hideSearchTab = () => {
-        $("searchTabColumn").classList.add("invisible");
+        document.getElementById("searchTabColumn").classList.add("invisible");
         MochaUI.Desktop.resizePanels();
     };
 
@@ -1347,7 +1347,7 @@ window.addEventListener("DOMContentLoaded", () => {
                 window.qBittorrent.Rss.load();
             }
 
-            $("rssTabColumn").classList.remove("invisible");
+            document.getElementById("rssTabColumn").classList.remove("invisible");
             customSyncMainDataInterval = 30000;
             hideTransfersTab();
             hideSearchTab();
@@ -1358,7 +1358,7 @@ window.addEventListener("DOMContentLoaded", () => {
     })();
 
     const hideRssTab = () => {
-        $("rssTabColumn").classList.add("invisible");
+        document.getElementById("rssTabColumn").classList.add("invisible");
         window.qBittorrent.Rss && window.qBittorrent.Rss.unload();
         MochaUI.Desktop.resizePanels();
     };
@@ -1385,7 +1385,7 @@ window.addEventListener("DOMContentLoaded", () => {
                 window.qBittorrent.Log.load();
             }
 
-            $("logTabColumn").classList.remove("invisible");
+            document.getElementById("logTabColumn").classList.remove("invisible");
             customSyncMainDataInterval = 30000;
             hideTransfersTab();
             hideSearchTab();
@@ -1396,7 +1396,7 @@ window.addEventListener("DOMContentLoaded", () => {
     })();
 
     const hideLogTab = () => {
-        $("logTabColumn").classList.add("invisible");
+        document.getElementById("logTabColumn").classList.add("invisible");
         MochaUI.Desktop.resizePanels();
         window.qBittorrent.Log && window.qBittorrent.Log.unload();
     };
@@ -1472,11 +1472,11 @@ window.addEventListener("DOMContentLoaded", () => {
             tabsOnload: () => {
                 MochaUI.initializeTabs("panelTabs");
 
-                $("logMessageLink").addEventListener("click", (e) => {
+                document.getElementById("logMessageLink").addEventListener("click", (e) => {
                     window.qBittorrent.Log.setCurrentTab("main");
                 });
 
-                $("logPeerLink").addEventListener("click", (e) => {
+                document.getElementById("logPeerLink").addEventListener("click", (e) => {
                     window.qBittorrent.Log.setCurrentTab("peer");
                 });
             },
@@ -1618,7 +1618,7 @@ window.addEventListener("DOMContentLoaded", () => {
 
     // listen for changes to torrentsFilterInput
     let torrentsFilterInputTimer = -1;
-    $("torrentsFilterInput").addEventListener("input", () => {
+    document.getElementById("torrentsFilterInput").addEventListener("input", () => {
         clearTimeout(torrentsFilterInputTimer);
         torrentsFilterInputTimer = setTimeout(() => {
             torrentsFilterInputTimer = -1;
@@ -1628,24 +1628,24 @@ window.addEventListener("DOMContentLoaded", () => {
 
     document.getElementById("torrentsFilterToolbar").addEventListener("change", (e) => { torrentsTable.updateTable(); });
 
-    $("transfersTabLink").addEventListener("click", () => { showTransfersTab(); });
-    $("searchTabLink").addEventListener("click", () => { showSearchTab(); });
-    $("rssTabLink").addEventListener("click", () => { showRssTab(); });
-    $("logTabLink").addEventListener("click", () => { showLogTab(); });
+    document.getElementById("transfersTabLink").addEventListener("click", () => { showTransfersTab(); });
+    document.getElementById("searchTabLink").addEventListener("click", () => { showSearchTab(); });
+    document.getElementById("rssTabLink").addEventListener("click", () => { showRssTab(); });
+    document.getElementById("logTabLink").addEventListener("click", () => { showLogTab(); });
     updateTabDisplay();
 
     const registerDragAndDrop = () => {
-        $("desktop").addEventListener("dragover", (ev) => {
+        document.getElementById("desktop").addEventListener("dragover", (ev) => {
             if (ev.preventDefault)
                 ev.preventDefault();
         });
 
-        $("desktop").addEventListener("dragenter", (ev) => {
+        document.getElementById("desktop").addEventListener("dragenter", (ev) => {
             if (ev.preventDefault)
                 ev.preventDefault();
         });
 
-        $("desktop").addEventListener("drop", (ev) => {
+        document.getElementById("desktop").addEventListener("drop", (ev) => {
             if (ev.preventDefault)
                 ev.preventDefault();
 
@@ -1679,7 +1679,7 @@ window.addEventListener("DOMContentLoaded", () => {
                         saveWindowSize(id);
                     }),
                     onContentLoaded: () => {
-                        const fileInput = $(`${id}_iframe`).contentDocument.getElementById("fileselect");
+                        const fileInput = document.getElementById(`${id}_iframe`).contentDocument.getElementById("fileselect");
                         fileInput.files = droppedFiles;
                     }
                 });
@@ -1801,22 +1801,22 @@ window.addEventListener("load", async () => {
     switch (previouslyUsedTab) {
         case "search":
             if (window.qBittorrent.Client.isShowSearchEngine())
-                $("searchTabLink").click();
+                document.getElementById("searchTabLink").click();
             break;
         case "rss":
             if (window.qBittorrent.Client.isShowRssReader())
-                $("rssTabLink").click();
+                document.getElementById("rssTabLink").click();
             break;
         case "log":
             if (window.qBittorrent.Client.isShowLogViewer())
-                $("logTabLink").click();
+                document.getElementById("logTabLink").click();
             break;
         case "transfers":
-            $("transfersTabLink").click();
+            document.getElementById("transfersTabLink").click();
             break;
         default:
             console.error(`Unexpected 'selected_window_tab' value: ${previouslyUsedTab}`);
-            $("transfersTabLink").click();
+            document.getElementById("transfersTabLink").click();
             break;
-    };
+    }
 });
diff --git a/src/webui/www/private/scripts/contextmenu.js b/src/webui/www/private/scripts/contextmenu.js
index 7831461bf..39516aca7 100644
--- a/src/webui/www/private/scripts/contextmenu.js
+++ b/src/webui/www/private/scripts/contextmenu.js
@@ -66,7 +66,7 @@ window.qBittorrent.ContextMenu ??= (() => {
             };
 
             // option diffs menu
-            this.menu = $(this.options.menu);
+            this.menu = document.getElementById(this.options.menu);
 
             // fx
             this.fx = new Fx.Tween(this.menu, {
@@ -190,7 +190,7 @@ window.qBittorrent.ContextMenu ??= (() => {
                 e.stopPropagation();
             }
             // record this as the trigger
-            this.options.element = $(el);
+            this.options.element = el;
             this.adjustMenuPosition(e);
             // show the menu
             this.show();
@@ -219,7 +219,7 @@ window.qBittorrent.ContextMenu ??= (() => {
             });
 
             // hide on body click
-            $(document.body).addEventListener("click", () => {
+            document.body.addEventListener("click", () => {
                 this.hide();
                 this.options.element = null;
             });
@@ -292,7 +292,7 @@ window.qBittorrent.ContextMenu ??= (() => {
                 this.options.actions[action](element, this, action);
             return this;
         }
-    };
+    }
 
     class FilterListContextMenu extends ContextMenu {
         constructor(options) {
@@ -316,7 +316,7 @@ window.qBittorrent.ContextMenu ??= (() => {
                 .setEnabled("stopTorrents", torrentsVisible)
                 .setEnabled("deleteTorrents", torrentsVisible);
         }
-    };
+    }
 
     class TorrentsTableContextMenu extends ContextMenu {
         updateMenuItems() {
@@ -457,7 +457,7 @@ window.qBittorrent.ContextMenu ??= (() => {
             this.setEnabled("copyInfohash1", thereAreV1Hashes);
             this.setEnabled("copyInfohash2", thereAreV2Hashes);
 
-            const contextTagList = $("contextTagList");
+            const contextTagList = document.getElementById("contextTagList");
             for (const tag of tagMap.keys()) {
                 const checkbox = contextTagList.querySelector(`a[href="#Tag/${tag}"] input[type="checkbox"]`);
                 const count = tagCount.get(tag);
@@ -477,7 +477,7 @@ window.qBittorrent.ContextMenu ??= (() => {
         }
 
         updateCategoriesSubMenu(categories) {
-            const contextCategoryList = $("contextCategoryList");
+            const contextCategoryList = document.getElementById("contextCategoryList");
             [...contextCategoryList.children].forEach((el) => { el.destroy(); });
 
             const createMenuItem = (text, imgURL, clickFn) => {
@@ -527,7 +527,7 @@ window.qBittorrent.ContextMenu ??= (() => {
         }
 
         updateTagsSubMenu(tags) {
-            const contextTagList = $("contextTagList");
+            const contextTagList = document.getElementById("contextTagList");
             contextTagList.replaceChildren();
 
             const createMenuItem = (text, imgURL, clickFn) => {
@@ -577,13 +577,13 @@ window.qBittorrent.ContextMenu ??= (() => {
                 contextTagList.appendChild(setTagItem);
             }
         }
-    };
+    }
 
     class StatusesFilterContextMenu extends FilterListContextMenu {
         updateMenuItems() {
             this.updateTorrentActions();
         }
-    };
+    }
 
     class CategoriesFilterContextMenu extends FilterListContextMenu {
         updateMenuItems() {
@@ -604,7 +604,7 @@ window.qBittorrent.ContextMenu ??= (() => {
 
             this.updateTorrentActions();
         }
-    };
+    }
 
     class TagsFilterContextMenu extends FilterListContextMenu {
         updateMenuItems() {
@@ -616,7 +616,7 @@ window.qBittorrent.ContextMenu ??= (() => {
 
             this.updateTorrentActions();
         }
-    };
+    }
 
     class TrackersFilterContextMenu extends FilterListContextMenu {
         updateMenuItems() {
@@ -628,7 +628,7 @@ window.qBittorrent.ContextMenu ??= (() => {
 
             this.updateTorrentActions();
         }
-    };
+    }
 
     class SearchPluginsTableContextMenu extends ContextMenu {
         updateMenuItems() {
@@ -642,7 +642,7 @@ window.qBittorrent.ContextMenu ??= (() => {
 
             this.showItem("Uninstall");
         }
-    };
+    }
 
     class RssFeedContextMenu extends ContextMenu {
         updateMenuItems() {
@@ -715,9 +715,9 @@ window.qBittorrent.ContextMenu ??= (() => {
                     break;
             }
         }
-    };
+    }
 
-    class RssArticleContextMenu extends ContextMenu {};
+    class RssArticleContextMenu extends ContextMenu {}
 
     class RssDownloaderRuleContextMenu extends ContextMenu {
         adjustMenuPosition(e) {
@@ -727,8 +727,8 @@ window.qBittorrent.ContextMenu ??= (() => {
             this.menu.style.left = "-999em";
             this.menu.style.top = "-999em";
             // position the menu
-            let xPosMenu = e.pageX + this.options.offsets.x - $("rssdownloaderpage").offsetLeft;
-            let yPosMenu = e.pageY + this.options.offsets.y - $("rssdownloaderpage").offsetTop;
+            let xPosMenu = e.pageX + this.options.offsets.x - document.getElementById("rssdownloaderpage").offsetLeft;
+            let yPosMenu = e.pageY + this.options.offsets.y - document.getElementById("rssdownloaderpage").offsetTop;
             if ((xPosMenu + this.menu.offsetWidth) > document.documentElement.clientWidth)
                 xPosMenu -= this.menu.offsetWidth;
             if ((yPosMenu + this.menu.offsetHeight) > document.documentElement.clientHeight)
@@ -765,7 +765,7 @@ window.qBittorrent.ContextMenu ??= (() => {
                     break;
             }
         }
-    };
+    }
 
     return exports();
 })();
diff --git a/src/webui/www/private/scripts/download.js b/src/webui/www/private/scripts/download.js
index e79d97978..2b6df21ad 100644
--- a/src/webui/www/private/scripts/download.js
+++ b/src/webui/www/private/scripts/download.js
@@ -55,7 +55,7 @@ window.qBittorrent.Download ??= (() => {
                     const option = document.createElement("option");
                     option.value = category.name;
                     option.textContent = category.name;
-                    $("categorySelect").appendChild(option);
+                    document.getElementById("categorySelect").appendChild(option);
                 }
             });
     };
@@ -64,31 +64,31 @@ window.qBittorrent.Download ??= (() => {
         const pref = window.parent.qBittorrent.Cache.preferences.get();
 
         defaultSavePath = pref.save_path;
-        $("savepath").value = defaultSavePath;
-        $("startTorrent").checked = !pref.add_stopped_enabled;
-        $("addToTopOfQueue").checked = pref.add_to_top_of_queue;
+        document.getElementById("savepath").value = defaultSavePath;
+        document.getElementById("startTorrent").checked = !pref.add_stopped_enabled;
+        document.getElementById("addToTopOfQueue").checked = pref.add_to_top_of_queue;
 
         if (pref.auto_tmm_enabled) {
-            $("autoTMM").selectedIndex = 1;
-            $("savepath").disabled = true;
+            document.getElementById("autoTMM").selectedIndex = 1;
+            document.getElementById("savepath").disabled = true;
         }
         else {
-            $("autoTMM").selectedIndex = 0;
+            document.getElementById("autoTMM").selectedIndex = 0;
         }
 
         if (pref.torrent_stop_condition === "MetadataReceived")
-            $("stopCondition").selectedIndex = 1;
+            document.getElementById("stopCondition").selectedIndex = 1;
         else if (pref.torrent_stop_condition === "FilesChecked")
-            $("stopCondition").selectedIndex = 2;
+            document.getElementById("stopCondition").selectedIndex = 2;
         else
-            $("stopCondition").selectedIndex = 0;
+            document.getElementById("stopCondition").selectedIndex = 0;
 
         if (pref.torrent_content_layout === "Subfolder")
-            $("contentLayout").selectedIndex = 1;
+            document.getElementById("contentLayout").selectedIndex = 1;
         else if (pref.torrent_content_layout === "NoSubfolder")
-            $("contentLayout").selectedIndex = 2;
+            document.getElementById("contentLayout").selectedIndex = 2;
         else
-            $("contentLayout").selectedIndex = 0;
+            document.getElementById("contentLayout").selectedIndex = 0;
     };
 
     const changeCategorySelect = (item) => {
@@ -97,41 +97,41 @@ window.qBittorrent.Download ??= (() => {
             item.nextElementSibling.value = "";
             item.nextElementSibling.select();
 
-            if ($("autoTMM").selectedIndex === 1)
-                $("savepath").value = defaultSavePath;
+            if (document.getElementById("autoTMM").selectedIndex === 1)
+                document.getElementById("savepath").value = defaultSavePath;
         }
         else {
             item.nextElementSibling.hidden = true;
             const text = item.options[item.selectedIndex].textContent;
             item.nextElementSibling.value = text;
 
-            if ($("autoTMM").selectedIndex === 1) {
+            if (document.getElementById("autoTMM").selectedIndex === 1) {
                 const categoryName = item.value;
                 const category = categories[categoryName];
                 let savePath = defaultSavePath;
                 if (category !== undefined)
                     savePath = (category["savePath"] !== "") ? category["savePath"] : `${defaultSavePath}/${categoryName}`;
-                $("savepath").value = savePath;
+                document.getElementById("savepath").value = savePath;
             }
         }
     };
 
     const changeTMM = (item) => {
         if (item.selectedIndex === 1) {
-            $("savepath").disabled = true;
+            document.getElementById("savepath").disabled = true;
 
-            const categorySelect = $("categorySelect");
+            const categorySelect = document.getElementById("categorySelect");
             const categoryName = categorySelect.options[categorySelect.selectedIndex].value;
             const category = categories[categoryName];
-            $("savepath").value = (category === undefined) ? "" : category["savePath"];
+            document.getElementById("savepath").value = (category === undefined) ? "" : category["savePath"];
         }
         else {
-            $("savepath").disabled = false;
-            $("savepath").value = defaultSavePath;
+            document.getElementById("savepath").disabled = false;
+            document.getElementById("savepath").value = defaultSavePath;
         }
     };
 
-    $(window).addEventListener("load", async () => {
+    window.addEventListener("load", async () => {
         // user might load this page directly (via browser magnet handler)
         // so wait for crucial initialization to complete
         await window.parent.qBittorrent.Client.initializeCaches();
diff --git a/src/webui/www/private/scripts/dynamicTable.js b/src/webui/www/private/scripts/dynamicTable.js
index 74d53e1a1..ac38ee42a 100644
--- a/src/webui/www/private/scripts/dynamicTable.js
+++ b/src/webui/www/private/scripts/dynamicTable.js
@@ -67,11 +67,8 @@ window.qBittorrent.DynamicTable ??= (() => {
     let DynamicTableHeaderContextMenuClass = null;
     let progressColumnWidth = -1;
 
-    const DynamicTable = new Class({
-
-        initialize: () => {},
-
-        setup: function(dynamicTableDivId, dynamicTableFixedHeaderDivId, contextMenu, useVirtualList = false) {
+    class DynamicTable {
+        setup(dynamicTableDivId, dynamicTableFixedHeaderDivId, contextMenu, useVirtualList = false) {
             this.dynamicTableDivId = dynamicTableDivId;
             this.dynamicTableFixedHeaderDivId = dynamicTableFixedHeaderDivId;
             this.dynamicTableDiv = document.getElementById(dynamicTableDivId);
@@ -96,9 +93,9 @@ window.qBittorrent.DynamicTable ??= (() => {
             this.setupHeaderMenu();
             this.setupAltRow();
             this.setupVirtualList();
-        },
+        }
 
-        setupVirtualList: function() {
+        setupVirtualList() {
             if (!this.useVirtualList)
                 return;
             this.table.style.position = "relative";
@@ -112,9 +109,9 @@ window.qBittorrent.DynamicTable ??= (() => {
                     this.rerender();
             });
             new ResizeObserver(resizeCallback).observe(this.dynamicTableDiv);
-        },
+        }
 
-        setupCommonEvents: function() {
+        setupCommonEvents() {
             const tableFixedHeaderDiv = document.getElementById(this.dynamicTableFixedHeaderDivId);
 
             const tableElement = tableFixedHeaderDiv.querySelector("table");
@@ -194,9 +191,9 @@ window.qBittorrent.DynamicTable ??= (() => {
                     }
                 }
             });
-        },
+        }
 
-        setupHeaderEvents: function() {
+        setupHeaderEvents() {
             this.currentHeaderAction = "";
             this.canResize = false;
 
@@ -296,7 +293,7 @@ window.qBittorrent.DynamicTable ??= (() => {
                     if (width < 16)
                         width = 16;
 
-                    this._setColumnWidth(this.resizeTh.columnName, width);
+                    this.#setColumnWidth(this.resizeTh.columnName, width);
                 }
             }.bind(this);
 
@@ -372,9 +369,9 @@ window.qBittorrent.DynamicTable ??= (() => {
                     onCancel: onCancel
                 });
             }
-        },
+        }
 
-        setupDynamicTableHeaderContextMenuClass: function() {
+        setupDynamicTableHeaderContextMenuClass() {
             DynamicTableHeaderContextMenuClass ??= class extends window.qBittorrent.ContextMenu.ContextMenu {
                 updateMenuItems() {
                     for (let i = 0; i < this.dynamicTable.columns.length; ++i) {
@@ -387,16 +384,16 @@ window.qBittorrent.DynamicTable ??= (() => {
                     }
                 }
             };
-        },
+        }
 
-        showColumn: function(columnName, show) {
+        showColumn(columnName, show) {
             this.columns[columnName].visible = show ? "1" : "0";
             LocalPreferences.set(`column_${columnName}_visible_${this.dynamicTableDivId}`, show ? "1" : "0");
             this.updateColumn(columnName);
             this.columns[columnName].onVisibilityChange?.(columnName);
-        },
+        }
 
-        _calculateColumnBodyWidth: function(column) {
+        #calculateColumnBodyWidth(column) {
             const columnIndex = this.getColumnPos(column.name);
             const bodyColumn = document.getElementById(this.dynamicTableDivId).querySelectorAll("tr>th")[columnIndex];
             const canvas = document.createElement("canvas");
@@ -418,9 +415,9 @@ window.qBittorrent.DynamicTable ??= (() => {
 
             // slight buffer to prevent clipping
             return longestTd.width + 10;
-        },
+        }
 
-        _setColumnWidth: function(columnName, width) {
+        #setColumnWidth(columnName, width) {
             const column = this.columns[columnName];
             column.width = width;
 
@@ -433,15 +430,15 @@ window.qBittorrent.DynamicTable ??= (() => {
                 this.rerender();
 
             column.onResize?.(column.name);
-        },
+        }
 
-        autoResizeColumn: function(columnName) {
+        autoResizeColumn(columnName) {
             const column = this.columns[columnName];
 
             let width = column.staticWidth ?? 0;
             if (column.staticWidth === null) {
                 // check required min body width
-                const bodyTextWidth = this._calculateColumnBodyWidth(column);
+                const bodyTextWidth = this.#calculateColumnBodyWidth(column);
 
                 // check required min header width
                 const columnIndex = this.getColumnPos(column.name);
@@ -456,15 +453,15 @@ window.qBittorrent.DynamicTable ??= (() => {
                 width = Math.max(headTextWidth, bodyTextWidth);
             }
 
-            this._setColumnWidth(column.name, width);
+            this.#setColumnWidth(column.name, width);
             this.saveColumnWidth(column.name);
-        },
+        }
 
-        saveColumnWidth: function(columnName) {
+        saveColumnWidth(columnName) {
             LocalPreferences.set(`column_${columnName}_width_${this.dynamicTableDivId}`, this.columns[columnName].width);
-        },
+        }
 
-        setupHeaderMenu: function() {
+        setupHeaderMenu() {
             this.setupDynamicTableHeaderContextMenuClass();
 
             const menuId = `${this.dynamicTableDivId}_headerMenu`;
@@ -551,11 +548,11 @@ window.qBittorrent.DynamicTable ??= (() => {
             });
 
             this.headerContextMenu.dynamicTable = this;
-        },
+        }
 
-        initColumns: () => {},
+        initColumns() {}
 
-        newColumn: function(name, style, caption, defaultWidth, defaultVisible) {
+        newColumn(name, style, caption, defaultWidth, defaultVisible) {
             const column = {};
             column["name"] = name;
             column["title"] = name;
@@ -594,9 +591,9 @@ window.qBittorrent.DynamicTable ??= (() => {
 
             this.hiddenTableHeader.append(document.createElement("th"));
             this.fixedTableHeader.append(document.createElement("th"));
-        },
+        }
 
-        loadColumnsOrder: function() {
+        loadColumnsOrder() {
             const columnsOrder = [];
             const val = LocalPreferences.get(`columns_order_${this.dynamicTableDivId}`);
             if ((val === null) || (val === undefined))
@@ -613,9 +610,9 @@ window.qBittorrent.DynamicTable ??= (() => {
 
             for (let i = 0; i < this.columns.length; ++i)
                 this.columns[i] = this.columns[columnsOrder[i]];
-        },
+        }
 
-        saveColumnsOrder: function() {
+        saveColumnsOrder() {
             let val = "";
             for (let i = 0; i < this.columns.length; ++i) {
                 if (i > 0)
@@ -623,15 +620,15 @@ window.qBittorrent.DynamicTable ??= (() => {
                 val += this.columns[i].name;
             }
             LocalPreferences.set(`columns_order_${this.dynamicTableDivId}`, val);
-        },
+        }
 
-        updateTableHeaders: function() {
+        updateTableHeaders() {
             this.updateHeader(this.hiddenTableHeader);
             this.updateHeader(this.fixedTableHeader);
             this.setSortedColumnIcon(this.sortedColumn, null, (this.reverseSort === "1"));
-        },
+        }
 
-        updateHeader: function(header) {
+        updateHeader(header) {
             const ths = this.getRowCells(header);
             for (let i = 0; i < ths.length; ++i) {
                 const th = ths[i];
@@ -644,17 +641,17 @@ window.qBittorrent.DynamicTable ??= (() => {
                     th.classList.toggle("invisible", ((this.columns[i].visible === "0") || this.columns[i].force_hide));
                 }
             }
-        },
+        }
 
-        getColumnPos: function(columnName) {
+        getColumnPos(columnName) {
             for (let i = 0; i < this.columns.length; ++i) {
                 if (this.columns[i].name === columnName)
                     return i;
             }
             return -1;
-        },
+        }
 
-        updateColumn: function(columnName, updateCellData = false) {
+        updateColumn(columnName, updateCellData = false) {
             const column = this.columns[columnName];
             const pos = this.getColumnPos(columnName);
             const ths = this.getRowCells(this.hiddenTableHeader);
@@ -669,17 +666,17 @@ window.qBittorrent.DynamicTable ??= (() => {
                 if (updateCellData)
                     column.updateTd(td, this.rows.get(tr.rowId));
             }
-        },
+        }
 
-        getSortedColumn: function() {
+        getSortedColumn() {
             return LocalPreferences.get(`sorted_column_${this.dynamicTableDivId}`);
-        },
+        }
 
         /**
          * @param {string} column name to sort by
          * @param {string|null} reverse defaults to implementation-specific behavior when not specified. Should only be passed when restoring previous state.
          */
-        setSortedColumn: function(column, reverse = null) {
+        setSortedColumn(column, reverse = null) {
             if (column !== this.sortedColumn) {
                 const oldColumn = this.sortedColumn;
                 this.sortedColumn = column;
@@ -694,9 +691,9 @@ window.qBittorrent.DynamicTable ??= (() => {
             LocalPreferences.set(`sorted_column_${this.dynamicTableDivId}`, column);
             LocalPreferences.set(`reverse_sort_${this.dynamicTableDivId}`, this.reverseSort);
             this.updateTable(false);
-        },
+        }
 
-        setSortedColumnIcon: function(newColumn, oldColumn, isReverse) {
+        setSortedColumnIcon(newColumn, oldColumn, isReverse) {
             const getCol = (headerDivId, colName) => {
                 const colElem = document.querySelectorAll(`#${headerDivId} .column_${colName}`);
                 if (colElem.length === 1)
@@ -714,48 +711,48 @@ window.qBittorrent.DynamicTable ??= (() => {
                 oldColElem.classList.remove("sorted");
                 oldColElem.classList.remove("reverse");
             }
-        },
+        }
 
-        getSelectedRowId: function() {
+        getSelectedRowId() {
             if (this.selectedRows.length > 0)
                 return this.selectedRows[0];
             return "";
-        },
+        }
 
-        isRowSelected: function(rowId) {
+        isRowSelected(rowId) {
             return this.selectedRows.contains(rowId);
-        },
+        }
 
-        setupAltRow: function() {
+        setupAltRow() {
             const useAltRowColors = (LocalPreferences.get("use_alt_row_colors", "true") === "true");
             if (useAltRowColors)
                 document.getElementById(this.dynamicTableDivId).classList.add("altRowColors");
-        },
+        }
 
-        selectAll: function() {
+        selectAll() {
             this.deselectAll();
             for (const row of this.getFilteredAndSortedRows())
                 this.selectedRows.push(row.rowId);
             this.setRowClass();
-        },
+        }
 
-        deselectAll: function() {
+        deselectAll() {
             this.selectedRows.empty();
-        },
+        }
 
-        selectRow: function(rowId) {
+        selectRow(rowId) {
             this.selectedRows.push(rowId);
             this.setRowClass();
             this.onSelectedRowChanged();
-        },
+        }
 
-        deselectRow: function(rowId) {
+        deselectRow(rowId) {
             this.selectedRows.erase(rowId);
             this.setRowClass();
             this.onSelectedRowChanged();
-        },
+        }
 
-        selectRows: function(rowId1, rowId2) {
+        selectRows(rowId1, rowId2) {
             this.deselectAll();
             if (rowId1 === rowId2) {
                 this.selectRow(rowId1);
@@ -774,22 +771,22 @@ window.qBittorrent.DynamicTable ??= (() => {
             }
             this.setRowClass();
             this.onSelectedRowChanged();
-        },
+        }
 
-        reselectRows: function(rowIds) {
+        reselectRows(rowIds) {
             this.deselectAll();
             this.selectedRows = rowIds.slice();
             this.setRowClass();
-        },
+        }
 
-        setRowClass: function() {
+        setRowClass() {
             for (const tr of this.getTrs())
                 tr.classList.toggle("selected", this.isRowSelected(tr.rowId));
-        },
+        }
 
-        onSelectedRowChanged: () => {},
+        onSelectedRowChanged() {}
 
-        updateRowData: function(data) {
+        updateRowData(data) {
             // ensure rowId is a string
             const rowId = `${data["rowId"]}`;
             let row;
@@ -811,21 +808,21 @@ window.qBittorrent.DynamicTable ??= (() => {
                     continue;
                 row["full_data"][x] = data[x];
             }
-        },
+        }
 
-        getTrs: function() {
+        getTrs() {
             return this.tableBody.querySelectorAll("tr");
-        },
+        }
 
-        getRowCells: (tr) => {
+        getRowCells(tr) {
             return tr.querySelectorAll("td, th");
-        },
+        }
 
-        getRow: function(rowId) {
+        getRow(rowId) {
             return this.rows.get(rowId);
-        },
+        }
 
-        getFilteredAndSortedRows: function() {
+        getFilteredAndSortedRows() {
             const filteredRows = [];
 
             for (const row of this.getRowValues()) {
@@ -842,13 +839,13 @@ window.qBittorrent.DynamicTable ??= (() => {
                     return -res;
             });
             return filteredRows;
-        },
+        }
 
-        getTrByRowId: function(rowId) {
+        getTrByRowId(rowId) {
             return Array.prototype.find.call(this.getTrs(), (tr => tr.rowId === rowId));
-        },
+        }
 
-        updateTable: function(fullUpdate = false) {
+        updateTable(fullUpdate = false) {
             const rows = this.getFilteredAndSortedRows();
 
             for (let i = 0; i < this.selectedRows.length; ++i) {
@@ -905,12 +902,15 @@ window.qBittorrent.DynamicTable ??= (() => {
                 while ((rowPos < trs.length) && (trs.length > 0))
                     trs.pop().destroy();
             }
-        },
+        }
 
-        rerender: function(rows = this.getFilteredAndSortedRows()) {
+        rerender(rows = this.getFilteredAndSortedRows()) {
             // set the scrollable height
             this.table.style.height = `${rows.length * this.rowHeight}px`;
 
+            if (this.dynamicTableDiv.offsetHeight === 0)
+                return;
+            this.renderedHeight = this.dynamicTableDiv.offsetHeight;
             // show extra 6 rows at top/bottom to reduce flickering
             const extraRowCount = 6;
             // how many rows can be shown in the visible area
@@ -947,20 +947,25 @@ window.qBittorrent.DynamicTable ??= (() => {
                 this.updateRow(row, true);
 
             // refresh row height based on first row
-            setTimeout(() => {
-                if (this.tableBody.firstChild === null)
-                    return;
-                const tr = this.tableBody.firstChild;
-                if (this.rowHeight !== tr.offsetHeight) {
-                    this.rowHeight = tr.offsetHeight;
-                    // rerender on row height change
-                    this.rerender();
-                }
+            const tr = this.tableBody.firstChild;
+            if (tr !== null) {
+                const updateRowHeight = () => {
+                    if (tr.offsetHeight === 0)
+                        return;
+                    if (this.rowHeight !== tr.offsetHeight) {
+                        this.rowHeight = tr.offsetHeight;
+                        // rerender on row height change
+                        this.rerender();
+                    }
+                };
+                if (tr.offsetHeight === 0)
+                    setTimeout(updateRowHeight);
+                else
+                    updateRowHeight();
+            }
+        }
 
-            });
-        },
-
-        createRowElement: function(row, top = -1) {
+        createRowElement(row, top = -1) {
             const tr = document.createElement("tr");
             // set tabindex so element receives keydown events
             // more info: https://developer.mozilla.org/en-US/docs/Web/API/Element/keydown_event
@@ -978,9 +983,9 @@ window.qBittorrent.DynamicTable ??= (() => {
             // update context menu
             this.contextMenu?.addTarget(tr);
             return tr;
-        },
+        }
 
-        updateRowElement: function(tr, rowId, top) {
+        updateRowElement(tr, rowId, top) {
             tr.dataset.rowId = rowId;
             tr.rowId = rowId;
 
@@ -990,9 +995,9 @@ window.qBittorrent.DynamicTable ??= (() => {
                 tr.style.position = "absolute";
                 tr.style.top = `${top}px`;
             }
-        },
+        }
 
-        updateRow: function(tr, fullUpdate) {
+        updateRow(tr, fullUpdate) {
             const row = this.rows.get(tr.rowId);
             const data = row[fullUpdate ? "full_data" : "data"];
 
@@ -1007,9 +1012,9 @@ window.qBittorrent.DynamicTable ??= (() => {
                     this.columns[i].updateTd(tds[i], row);
             }
             row["data"] = {};
-        },
+        }
 
-        removeRow: function(rowId) {
+        removeRow(rowId) {
             this.selectedRows.erase(rowId);
             this.rows.delete(rowId);
             if (this.useVirtualList) {
@@ -1019,9 +1024,9 @@ window.qBittorrent.DynamicTable ??= (() => {
                 const tr = this.getTrByRowId(rowId);
                 tr?.destroy();
             }
-        },
+        }
 
-        clear: function() {
+        clear() {
             this.deselectAll();
             this.rows.clear();
             if (this.useVirtualList) {
@@ -1031,29 +1036,29 @@ window.qBittorrent.DynamicTable ??= (() => {
                 for (const tr of this.getTrs())
                     tr.destroy();
             }
-        },
+        }
 
-        selectedRowsIds: function() {
+        selectedRowsIds() {
             return this.selectedRows.slice();
-        },
+        }
 
-        getRowIds: function() {
+        getRowIds() {
             return this.rows.keys();
-        },
+        }
 
-        getRowValues: function() {
+        getRowValues() {
             return this.rows.values();
-        },
+        }
 
-        getRowItems: function() {
+        getRowItems() {
             return this.rows.entries();
-        },
+        }
 
-        getRowSize: function() {
+        getRowSize() {
             return this.rows.size;
-        },
+        }
 
-        selectNextRow: function() {
+        selectNextRow() {
             const visibleRows = Array.prototype.filter.call(this.getTrs(), (tr => !tr.classList.contains("invisible") && (tr.style.display !== "none")));
             const selectedRowId = this.getSelectedRowId();
 
@@ -1073,9 +1078,9 @@ window.qBittorrent.DynamicTable ??= (() => {
                 const newRow = visibleRows[selectedIndex + 1];
                 this.selectRow(newRow.getAttribute("data-row-id"));
             }
-        },
+        }
 
-        selectPreviousRow: function() {
+        selectPreviousRow() {
             const visibleRows = Array.prototype.filter.call(this.getTrs(), (tr => !tr.classList.contains("invisible") && (tr.style.display !== "none")));
             const selectedRowId = this.getSelectedRowId();
 
@@ -1095,19 +1100,16 @@ window.qBittorrent.DynamicTable ??= (() => {
                 const newRow = visibleRows[selectedIndex - 1];
                 this.selectRow(newRow.getAttribute("data-row-id"));
             }
-        },
-    });
-
-    const TorrentsTable = new Class({
-        Extends: DynamicTable,
-
-        setupVirtualList: function() {
-            this.parent();
+        }
+    }
 
+    class TorrentsTable extends DynamicTable {
+        setupVirtualList() {
+            super.setupVirtualList();
             this.rowHeight = 22;
-        },
+        }
 
-        initColumns: function() {
+        initColumns() {
             this.newColumn("priority", "", "#", 30, true);
             this.newColumn("state_icon", "", "QBT_TR(Status Icon)QBT_TR[CONTEXT=TransferListModel]", 30, false);
             this.newColumn("name", "", "QBT_TR(Name)QBT_TR[CONTEXT=TransferListModel]", 200, true);
@@ -1154,9 +1156,9 @@ window.qBittorrent.DynamicTable ??= (() => {
             this.columns["time_active"].dataProperties.push("seeding_time");
 
             this.initColumnsFunctions();
-        },
+        }
 
-        initColumnsFunctions: function() {
+        initColumnsFunctions() {
             const getStateIconClasses = (state) => {
                 let stateClass = "stateUnknown";
                 // normalize states
@@ -1575,9 +1577,9 @@ window.qBittorrent.DynamicTable ??= (() => {
                 td.textContent = string;
                 td.title = string;
             };
-        },
+        }
 
-        applyFilter: (row, filterName, category, tag, tracker, filterTerms) => {
+        applyFilter(row, filterName, category, tag, tracker, filterTerms) {
             const state = row["full_data"].state;
             let inactive = false;
 
@@ -1725,9 +1727,9 @@ window.qBittorrent.DynamicTable ??= (() => {
             }
 
             return true;
-        },
+        }
 
-        getFilteredTorrentsNumber: function(filterName, category, tag, tracker) {
+        getFilteredTorrentsNumber(filterName, category, tag, tracker) {
             let cnt = 0;
 
             for (const row of this.rows.values()) {
@@ -1735,9 +1737,9 @@ window.qBittorrent.DynamicTable ??= (() => {
                     ++cnt;
             }
             return cnt;
-        },
+        }
 
-        getFilteredTorrentsHashes: function(filterName, category, tag, tracker) {
+        getFilteredTorrentsHashes(filterName, category, tag, tracker) {
             const rowsHashes = [];
             const useRegex = document.getElementById("torrentsFilterRegexBox").checked;
             const filterText = document.getElementById("torrentsFilterInput").value.trim().toLowerCase();
@@ -1757,13 +1759,13 @@ window.qBittorrent.DynamicTable ??= (() => {
             }
 
             return rowsHashes;
-        },
+        }
 
-        getFilteredAndSortedRows: function() {
+        getFilteredAndSortedRows() {
             const filteredRows = [];
 
-            const useRegex = $("torrentsFilterRegexBox").checked;
-            const filterText = $("torrentsFilterInput").value.trim().toLowerCase();
+            const useRegex = document.getElementById("torrentsFilterRegexBox").checked;
+            const filterText = document.getElementById("torrentsFilterInput").value.trim().toLowerCase();
             let filterTerms;
             try {
                 filterTerms = (filterText.length > 0)
@@ -1790,10 +1792,10 @@ window.qBittorrent.DynamicTable ??= (() => {
                     return -res;
             });
             return filteredRows;
-        },
+        }
 
-        setupCommonEvents: function() {
-            this.parent();
+        setupCommonEvents() {
+            super.setupCommonEvents();
             this.dynamicTableDiv.addEventListener("dblclick", (e) => {
                 const tr = e.target.closest("tr");
                 if (!tr)
@@ -1822,21 +1824,19 @@ window.qBittorrent.DynamicTable ??= (() => {
                 else
                     stopFN();
             });
-        },
+        }
 
-        getCurrentTorrentID: function() {
+        getCurrentTorrentID() {
             return this.getSelectedRowId();
-        },
+        }
 
-        onSelectedRowChanged: () => {
+        onSelectedRowChanged() {
             updatePropertiesPanel();
         }
-    });
+    }
 
-    const TorrentPeersTable = new Class({
-        Extends: DynamicTable,
-
-        initColumns: function() {
+    class TorrentPeersTable extends DynamicTable {
+        initColumns() {
             this.newColumn("country", "", "QBT_TR(Country/Region)QBT_TR[CONTEXT=PeerListWidget]", 22, true);
             this.newColumn("ip", "", "QBT_TR(IP)QBT_TR[CONTEXT=PeerListWidget]", 80, true);
             this.newColumn("port", "", "QBT_TR(Port)QBT_TR[CONTEXT=PeerListWidget]", 35, true);
@@ -1855,10 +1855,9 @@ window.qBittorrent.DynamicTable ??= (() => {
             this.columns["country"].dataProperties.push("country_code");
             this.columns["flags"].dataProperties.push("flags_desc");
             this.initColumnsFunctions();
-        },
-
-        initColumnsFunctions: function() {
+        }
 
+        initColumnsFunctions() {
             // country
             this.columns["country"].updateTd = function(td, row) {
                 const country = this.getRowValue(row, 0);
@@ -1941,12 +1940,10 @@ window.qBittorrent.DynamicTable ??= (() => {
             };
 
         }
-    });
+    }
 
-    const SearchResultsTable = new Class({
-        Extends: DynamicTable,
-
-        initColumns: function() {
+    class SearchResultsTable extends DynamicTable {
+        initColumns() {
             this.newColumn("fileName", "", "QBT_TR(Name)QBT_TR[CONTEXT=SearchResultsTable]", 500, true);
             this.newColumn("fileSize", "", "QBT_TR(Size)QBT_TR[CONTEXT=SearchResultsTable]", 100, true);
             this.newColumn("nbSeeders", "", "QBT_TR(Seeders)QBT_TR[CONTEXT=SearchResultsTable]", 100, true);
@@ -1956,9 +1953,9 @@ window.qBittorrent.DynamicTable ??= (() => {
             this.newColumn("pubDate", "", "QBT_TR(Published On)QBT_TR[CONTEXT=SearchResultsTable]", 200, true);
 
             this.initColumnsFunctions();
-        },
+        }
 
-        initColumnsFunctions: function() {
+        initColumnsFunctions() {
             const displaySize = function(td, row) {
                 const size = window.qBittorrent.Misc.friendlyUnit(this.getRowValue(row), false);
                 td.textContent = size;
@@ -1981,9 +1978,9 @@ window.qBittorrent.DynamicTable ??= (() => {
             this.columns["nbSeeders"].updateTd = displayNum;
             this.columns["nbLeechers"].updateTd = displayNum;
             this.columns["pubDate"].updateTd = displayDate;
-        },
+        }
 
-        getFilteredAndSortedRows: function() {
+        getFilteredAndSortedRows() {
             const getSizeFilters = () => {
                 let minSize = (window.qBittorrent.Search.searchSizeFilter.min > 0.00) ? (window.qBittorrent.Search.searchSizeFilter.min * Math.pow(1024, window.qBittorrent.Search.searchSizeFilter.minUnit)) : 0.00;
                 let maxSize = (window.qBittorrent.Search.searchSizeFilter.max > 0.00) ? (window.qBittorrent.Search.searchSizeFilter.max * Math.pow(1024, window.qBittorrent.Search.searchSizeFilter.maxUnit)) : 0.00;
@@ -2021,7 +2018,7 @@ window.qBittorrent.DynamicTable ??= (() => {
             const filterTerms = window.qBittorrent.Search.searchText.filterPattern.toLowerCase().split(" ");
             const sizeFilters = getSizeFilters();
             const seedsFilters = getSeedsFilters();
-            const searchInTorrentName = $("searchInTorrentName").value === "names";
+            const searchInTorrentName = document.getElementById("searchInTorrentName").value === "names";
 
             if (searchInTorrentName || (filterTerms.length > 0) || (window.qBittorrent.Search.searchSizeFilter.min > 0.00) || (window.qBittorrent.Search.searchSizeFilter.max > 0.00)) {
                 for (const row of this.getRowValues()) {
@@ -2056,22 +2053,20 @@ window.qBittorrent.DynamicTable ??= (() => {
             });
 
             return filteredRows;
-        },
-    });
+        }
+    }
 
-    const SearchPluginsTable = new Class({
-        Extends: DynamicTable,
-
-        initColumns: function() {
+    class SearchPluginsTable extends DynamicTable {
+        initColumns() {
             this.newColumn("fullName", "", "QBT_TR(Name)QBT_TR[CONTEXT=SearchPluginsTable]", 175, true);
             this.newColumn("version", "", "QBT_TR(Version)QBT_TR[CONTEXT=SearchPluginsTable]", 100, true);
             this.newColumn("url", "", "QBT_TR(Url)QBT_TR[CONTEXT=SearchPluginsTable]", 175, true);
             this.newColumn("enabled", "", "QBT_TR(Enabled)QBT_TR[CONTEXT=SearchPluginsTable]", 100, true);
 
             this.initColumnsFunctions();
-        },
+        }
 
-        initColumnsFunctions: function() {
+        initColumnsFunctions() {
             this.columns["enabled"].updateTd = function(td, row) {
                 const value = this.getRowValue(row);
                 if (value) {
@@ -2087,13 +2082,11 @@ window.qBittorrent.DynamicTable ??= (() => {
                     td.closest("tr").classList.remove("green");
                 }
             };
-        },
-    });
+        }
+    }
 
-    const TorrentTrackersTable = new Class({
-        Extends: DynamicTable,
-
-        initColumns: function() {
+    class TorrentTrackersTable extends DynamicTable {
+        initColumns() {
             this.newColumn("tier", "", "QBT_TR(Tier)QBT_TR[CONTEXT=TrackerListWidget]", 35, true);
             this.newColumn("url", "", "QBT_TR(URL)QBT_TR[CONTEXT=TrackerListWidget]", 250, true);
             this.newColumn("status", "", "QBT_TR(Status)QBT_TR[CONTEXT=TrackerListWidget]", 125, true);
@@ -2104,9 +2097,9 @@ window.qBittorrent.DynamicTable ??= (() => {
             this.newColumn("message", "", "QBT_TR(Message)QBT_TR[CONTEXT=TrackerListWidget]", 250, true);
 
             this.initColumnsFunctions();
-        },
+        }
 
-        initColumnsFunctions: function() {
+        initColumnsFunctions() {
             const naturalSort = function(row1, row2) {
                 if (!row1.full_data._sortable || !row2.full_data._sortable)
                     return 0;
@@ -2183,34 +2176,31 @@ window.qBittorrent.DynamicTable ??= (() => {
                 td.title = status;
             };
         }
-    });
+    }
 
-    const BulkRenameTorrentFilesTable = new Class({
-        Extends: DynamicTable,
-
-        filterTerms: [],
-        prevFilterTerms: [],
-        prevRowsString: null,
-        prevFilteredRows: [],
-        prevSortedColumn: null,
-        prevReverseSort: null,
-        prevCheckboxNum: null,
-        fileTree: new window.qBittorrent.FileTree.FileTree(),
-
-        setupVirtualList: function() {
-            this.parent();
+    class BulkRenameTorrentFilesTable extends DynamicTable {
+        filterTerms = [];
+        prevFilterTerms = [];
+        prevRowsString = null;
+        prevFilteredRows = [];
+        prevSortedColumn = null;
+        prevReverseSort = null;
+        prevCheckboxNum = null;
+        fileTree = new window.qBittorrent.FileTree.FileTree();
 
+        setupVirtualList() {
+            super.setupVirtualList();
             this.rowHeight = 29;
-        },
+        }
 
-        populateTable: function(root) {
+        populateTable(root) {
             this.fileTree.setRoot(root);
             root.children.each((node) => {
-                this._addNodeToTable(node, 0);
+                this.#addNodeToTable(node, 0);
             });
-        },
+        }
 
-        _addNodeToTable: function(node, depth) {
+        #addNodeToTable(node, depth) {
             node.depth = depth;
 
             if (node.isFolder) {
@@ -2234,30 +2224,30 @@ window.qBittorrent.DynamicTable ??= (() => {
             }
 
             node.children.each((child) => {
-                this._addNodeToTable(child, depth + 1);
+                this.#addNodeToTable(child, depth + 1);
             });
-        },
+        }
 
-        getRoot: function() {
+        getRoot() {
             return this.fileTree.getRoot();
-        },
+        }
 
-        getNode: function(rowId) {
+        getNode(rowId) {
             return this.fileTree.getNode(rowId);
-        },
+        }
 
-        getRow: function(node) {
+        getRow(node) {
             const rowId = this.fileTree.getRowId(node).toString();
             return this.rows.get(rowId);
-        },
+        }
 
-        getSelectedRows: function() {
+        getSelectedRows() {
             const nodes = this.fileTree.toArray();
 
             return nodes.filter(x => x.checked === 0);
-        },
+        }
 
-        initColumns: function() {
+        initColumns() {
             // Blocks saving header width (because window width isn't saved)
             LocalPreferences.remove(`column_checked_width_${this.dynamicTableDivId}`);
             LocalPreferences.remove(`column_original_width_${this.dynamicTableDivId}`);
@@ -2267,12 +2257,12 @@ window.qBittorrent.DynamicTable ??= (() => {
             this.newColumn("renamed", "", "QBT_TR(Renamed)QBT_TR[CONTEXT=TrackerListWidget]", 220, true);
 
             this.initColumnsFunctions();
-        },
+        }
 
         /**
          * Toggles the global checkbox and all checkboxes underneath
          */
-        toggleGlobalCheckbox: function() {
+        toggleGlobalCheckbox() {
             const checkbox = document.getElementById("rootMultiRename_cb");
             const checkboxes = document.querySelectorAll("input.RenamingCB");
 
@@ -2298,9 +2288,9 @@ window.qBittorrent.DynamicTable ??= (() => {
             }
 
             this.updateGlobalCheckbox();
-        },
+        }
 
-        toggleNodeTreeCheckbox: function(rowId, checkState) {
+        toggleNodeTreeCheckbox(rowId, checkState) {
             const node = this.getNode(rowId);
             node.checked = checkState;
             node.full_data.checked = checkState;
@@ -2310,9 +2300,9 @@ window.qBittorrent.DynamicTable ??= (() => {
 
             for (let i = 0; i < node.children.length; ++i)
                 this.toggleNodeTreeCheckbox(node.children[i].rowId, checkState);
-        },
+        }
 
-        updateGlobalCheckbox: function() {
+        updateGlobalCheckbox() {
             const checkbox = document.getElementById("rootMultiRename_cb");
             const nodes = this.fileTree.toArray();
             const isAllChecked = nodes.every((node) => node.checked === 0);
@@ -2332,9 +2322,9 @@ window.qBittorrent.DynamicTable ??= (() => {
                 checkbox.indeterminate = true;
                 checkbox.checked = false;
             }
-        },
+        }
 
-        initColumnsFunctions: function() {
+        initColumnsFunctions() {
             const that = this;
 
             // checked
@@ -2447,15 +2437,13 @@ window.qBittorrent.DynamicTable ??= (() => {
                 span.id = fileNameRenamedId;
                 span.textContent = node.renamed;
             };
-        },
+        }
 
-        onRowSelectionChange: (row) => {},
+        onRowSelectionChange(row) {}
 
-        selectRow: () => {
-            return;
-        },
+        selectRow() {}
 
-        reselectRows: function(rowIds) {
+        reselectRows(rowIds) {
             this.deselectAll();
             for (const tr of this.getTrs()) {
                 if (rowIds.includes(tr.rowId)) {
@@ -2470,9 +2458,9 @@ window.qBittorrent.DynamicTable ??= (() => {
                 }
             }
             this.updateGlobalCheckbox();
-        },
+        }
 
-        _sortNodesByColumn: function(nodes, column) {
+        #sortNodesByColumn(nodes, column) {
             nodes.sort((row1, row2) => {
                 // list folders before files when sorting by name
                 if (column.name === "original") {
@@ -2490,15 +2478,15 @@ window.qBittorrent.DynamicTable ??= (() => {
 
             nodes.each((node) => {
                 if (node.children.length > 0)
-                    this._sortNodesByColumn(node.children, column);
+                    this.#sortNodesByColumn(node.children, column);
             });
-        },
+        }
 
-        _filterNodes: function(node, filterTerms, filteredRows) {
+        #filterNodes(node, filterTerms, filteredRows) {
             if (node.isFolder) {
                 const childAdded = node.children.reduce((acc, child) => {
                     // we must execute the function before ORing w/ acc or we'll stop checking child nodes after the first successful match
-                    return (this._filterNodes(child, filterTerms, filteredRows) || acc);
+                    return (this.#filterNodes(child, filterTerms, filteredRows) || acc);
                 }, false);
 
                 if (childAdded) {
@@ -2515,17 +2503,17 @@ window.qBittorrent.DynamicTable ??= (() => {
             }
 
             return false;
-        },
+        }
 
-        setFilter: function(text) {
+        setFilter(text) {
             const filterTerms = text.trim().toLowerCase().split(" ");
             if ((filterTerms.length === 1) && (filterTerms[0] === ""))
                 this.filterTerms = [];
             else
                 this.filterTerms = filterTerms;
-        },
+        }
 
-        getFilteredAndSortedRows: function() {
+        getFilteredAndSortedRows() {
             if (this.getRoot() === null)
                 return [];
 
@@ -2547,7 +2535,7 @@ window.qBittorrent.DynamicTable ??= (() => {
 
                 const filteredRows = [];
                 this.getRoot().children.each((child) => {
-                    this._filterNodes(child, this.filterTerms, filteredRows);
+                    this.#filterNodes(child, this.filterTerms, filteredRows);
                 });
                 filteredRows.reverse();
                 return filteredRows;
@@ -2572,7 +2560,7 @@ window.qBittorrent.DynamicTable ??= (() => {
 
             // sort, then filter
             const column = this.columns[this.sortedColumn];
-            this._sortNodesByColumn(this.getRoot().children, column);
+            this.#sortNodesByColumn(this.getRoot().children, column);
             const filteredRows = getFilteredRows();
 
             this.prevFilterTerms = this.filterTerms;
@@ -2581,17 +2569,17 @@ window.qBittorrent.DynamicTable ??= (() => {
             this.prevSortedColumn = this.sortedColumn;
             this.prevReverseSort = this.reverseSort;
             return filteredRows;
-        },
+        }
 
-        setIgnored: function(rowId, ignore) {
+        setIgnored(rowId, ignore) {
             const row = this.rows.get(rowId);
             if (ignore)
                 row.full_data.remaining = 0;
             else
                 row.full_data.remaining = (row.full_data.size * (1.0 - (row.full_data.progress / 100)));
-        },
+        }
 
-        setupCommonEvents: function() {
+        setupCommonEvents() {
             const headerDiv = document.getElementById("bulkRenameFilesTableFixedHeaderDiv");
             this.dynamicTableDiv.addEventListener("scroll", (e) => {
                 headerDiv.scrollLeft = this.dynamicTableDiv.scrollLeft;
@@ -2600,64 +2588,59 @@ window.qBittorrent.DynamicTable ??= (() => {
                     this.rerender();
             });
         }
-    });
+    }
 
-    const TorrentFilesTable = new Class({
-        Extends: DynamicTable,
+    class TorrentFilesTable extends DynamicTable {
+        filterTerms = [];
+        prevFilterTerms = [];
+        prevRowsString = null;
+        prevFilteredRows = [];
+        prevSortedColumn = null;
+        prevReverseSort = null;
+        fileTree = new window.qBittorrent.FileTree.FileTree();
+        collapseState = new Map();
 
-        filterTerms: [],
-        prevFilterTerms: [],
-        prevRowsString: null,
-        prevFilteredRows: [],
-        prevSortedColumn: null,
-        prevReverseSort: null,
-        fileTree: new window.qBittorrent.FileTree.FileTree(),
-
-        initialize: function() {
-            this.collapseState = new Map();
-        },
-
-        isCollapsed: function(id) {
+        isCollapsed(id) {
             return this.collapseState.get(id)?.collapsed ?? false;
-        },
+        }
 
-        expandNode: function(id) {
+        expandNode(id) {
             const state = this.collapseState.get(id);
             if (state !== undefined)
                 state.collapsed = false;
-            this._updateNodeState(id, false);
-        },
+            this.#updateNodeState(id, false);
+        }
 
-        collapseNode: function(id) {
+        collapseNode(id) {
             const state = this.collapseState.get(id);
             if (state !== undefined)
                 state.collapsed = true;
-            this._updateNodeState(id, true);
-        },
+            this.#updateNodeState(id, true);
+        }
 
-        expandAllNodes: function() {
+        expandAllNodes() {
             for (const [key, _] of this.collapseState)
                 this.expandNode(key);
-        },
+        }
 
-        collapseAllNodes: function() {
+        collapseAllNodes() {
             for (const [key, state] of this.collapseState) {
                 // collapse all nodes except root
                 if (state.depth >= 1)
                     this.collapseNode(key);
             }
-        },
+        }
 
-        _updateNodeVisibility: (node, shouldHide) => {
+        #updateNodeVisibility(node, shouldHide) {
             const span = document.getElementById(`filesTablefileName${node.rowId}`);
             // span won't exist if row has been filtered out
             if (span === null)
                 return;
             const tr = span.parentElement.parentElement;
             tr.classList.toggle("invisible", shouldHide);
-        },
+        }
 
-        _updateNodeCollapseIcon: (node, isCollapsed) => {
+        #updateNodeCollapseIcon(node, isCollapsed) {
             const span = document.getElementById(`filesTablefileName${node.rowId}`);
             // span won't exist if row has been filtered out
             if (span === null)
@@ -2667,9 +2650,9 @@ window.qBittorrent.DynamicTable ??= (() => {
             // rotate the collapse icon
             const collapseIcon = td.firstElementChild;
             collapseIcon.classList.toggle("rotate", isCollapsed);
-        },
+        }
 
-        _updateNodeState: function(id, shouldCollapse) {
+        #updateNodeState(id, shouldCollapse) {
             // collapsed rows will be filtered out when using virtual list
             if (this.useVirtualList)
                 return;
@@ -2677,52 +2660,60 @@ window.qBittorrent.DynamicTable ??= (() => {
             if (!node.isFolder)
                 return;
 
-            this._updateNodeCollapseIcon(node, shouldCollapse);
+            this.#updateNodeCollapseIcon(node, shouldCollapse);
 
-            for (const child of node.children)
-                this._updateNodeVisibility(child, shouldCollapse);
-        },
+            this.#updateNodeChildVisibility(node, shouldCollapse);
+        }
 
-        clear: function() {
-            this.parent();
+        #updateNodeChildVisibility(root, shouldHide) {
+            const stack = [...root.children];
+            while (stack.length > 0) {
+                const node = stack.pop();
 
+                this.#updateNodeVisibility(node, (shouldHide ? shouldHide : this.isCollapsed(node.root.rowId)));
+
+                stack.push(...node.children);
+            }
+        }
+
+        clear() {
+            super.clear();
             this.collapseState.clear();
-        },
-
-        setupVirtualList: function() {
-            this.parent();
+        }
 
+        setupVirtualList() {
+            super.setupVirtualList();
             this.rowHeight = 29.5;
-        },
+        }
 
-        expandFolder: function(id) {
+        expandFolder(id) {
             const node = this.getNode(id);
             if (node.isFolder)
                 this.expandNode(node);
-        },
+        }
 
-        collapseFolder: function(id) {
+        collapseFolder(id) {
             const node = this.getNode(id);
             if (node.isFolder)
                 this.collapseNode(node);
-        },
+        }
 
-        isAllCheckboxesChecked: function() {
+        isAllCheckboxesChecked() {
             return this.fileTree.toArray().every((node) => node.checked === 1);
-        },
+        }
 
-        isAllCheckboxesUnchecked: function() {
+        isAllCheckboxesUnchecked() {
             return this.fileTree.toArray().every((node) => node.checked !== 1);
-        },
+        }
 
-        populateTable: function(root) {
+        populateTable(root) {
             this.fileTree.setRoot(root);
             root.children.each((node) => {
-                this._addNodeToTable(node, 0);
+                this.#addNodeToTable(node, 0);
             });
-        },
+        }
 
-        _addNodeToTable: function(node, depth) {
+        #addNodeToTable(node, depth) {
             node.depth = depth;
 
             if (node.isFolder) {
@@ -2751,29 +2742,29 @@ window.qBittorrent.DynamicTable ??= (() => {
             }
 
             node.children.each((child) => {
-                this._addNodeToTable(child, depth + 1);
+                this.#addNodeToTable(child, depth + 1);
             });
-        },
+        }
 
-        getRoot: function() {
+        getRoot() {
             return this.fileTree.getRoot();
-        },
+        }
 
-        getNode: function(rowId) {
+        getNode(rowId) {
             return this.fileTree.getNode(rowId);
-        },
+        }
 
-        getRow: function(node) {
+        getRow(node) {
             const rowId = this.fileTree.getRowId(node).toString();
             return this.rows.get(rowId);
-        },
+        }
 
-        getRowFileId: function(rowId) {
+        getRowFileId(rowId) {
             const row = this.rows.get(rowId);
             return row?.full_data.fileId;
-        },
+        }
 
-        initColumns: function() {
+        initColumns() {
             this.newColumn("checked", "", "", 50, true);
             this.newColumn("name", "", "QBT_TR(Name)QBT_TR[CONTEXT=TrackerListWidget]", 300, true);
             this.newColumn("size", "", "QBT_TR(Total Size)QBT_TR[CONTEXT=TrackerListWidget]", 75, true);
@@ -2783,9 +2774,9 @@ window.qBittorrent.DynamicTable ??= (() => {
             this.newColumn("availability", "", "QBT_TR(Availability)QBT_TR[CONTEXT=TrackerListWidget]", 75, true);
 
             this.initColumnsFunctions();
-        },
+        }
 
-        initColumnsFunctions: function() {
+        initColumnsFunctions() {
             const that = this;
             const displaySize = function(td, row) {
                 const size = window.qBittorrent.Misc.friendlyUnit(this.getRowValue(row), false);
@@ -2887,7 +2878,6 @@ window.qBittorrent.DynamicTable ??= (() => {
 
             // progress
             this.columns["progress"].updateTd = function(td, row) {
-                const id = row.rowId;
                 const value = Number(this.getRowValue(row));
 
                 const progressBar = td.firstElementChild;
@@ -2918,9 +2908,9 @@ window.qBittorrent.DynamicTable ??= (() => {
             // remaining, availability
             this.columns["remaining"].updateTd = displaySize;
             this.columns["availability"].updateTd = displayPercentage;
-        },
+        }
 
-        _sortNodesByColumn: function(nodes, column) {
+        #sortNodesByColumn(nodes, column) {
             nodes.sort((row1, row2) => {
                 // list folders before files when sorting by name
                 if (column.name === "name") {
@@ -2938,15 +2928,15 @@ window.qBittorrent.DynamicTable ??= (() => {
 
             nodes.each((node) => {
                 if (node.children.length > 0)
-                    this._sortNodesByColumn(node.children, column);
+                    this.#sortNodesByColumn(node.children, column);
             });
-        },
+        }
 
-        _filterNodes: function(node, filterTerms, filteredRows) {
+        #filterNodes(node, filterTerms, filteredRows) {
             if (node.isFolder && (!this.useVirtualList || !this.isCollapsed(node.rowId))) {
-                const childAdded = node.children.reduce((acc, child) => {
+                const childAdded = node.children.toReversed().reduce((acc, child) => {
                     // we must execute the function before ORing w/ acc or we'll stop checking child nodes after the first successful match
-                    return (this._filterNodes(child, filterTerms, filteredRows) || acc);
+                    return (this.#filterNodes(child, filterTerms, filteredRows) || acc);
                 }, false);
 
                 if (childAdded) {
@@ -2963,17 +2953,17 @@ window.qBittorrent.DynamicTable ??= (() => {
             }
 
             return false;
-        },
+        }
 
-        setFilter: function(text) {
+        setFilter(text) {
             const filterTerms = text.trim().toLowerCase().split(" ");
             if ((filterTerms.length === 1) && (filterTerms[0] === ""))
                 this.filterTerms = [];
             else
                 this.filterTerms = filterTerms;
-        },
+        }
 
-        getFilteredAndSortedRows: function() {
+        getFilteredAndSortedRows() {
             if (this.getRoot() === null)
                 return [];
 
@@ -2987,7 +2977,7 @@ window.qBittorrent.DynamicTable ??= (() => {
             const getFilteredRows = function() {
                 const filteredRows = [];
                 this.getRoot().children.each((child) => {
-                    this._filterNodes(child, this.filterTerms, filteredRows);
+                    this.#filterNodes(child, this.filterTerms, filteredRows);
                 });
                 filteredRows.reverse();
                 return filteredRows;
@@ -3012,7 +3002,7 @@ window.qBittorrent.DynamicTable ??= (() => {
 
             // sort, then filter
             const column = this.columns[this.sortedColumn];
-            this._sortNodesByColumn(this.getRoot().children, column);
+            this.#sortNodesByColumn(this.getRoot().children, column);
             const filteredRows = getFilteredRows();
 
             this.prevFilterTerms = this.filterTerms;
@@ -3021,18 +3011,18 @@ window.qBittorrent.DynamicTable ??= (() => {
             this.prevSortedColumn = this.sortedColumn;
             this.prevReverseSort = this.reverseSort;
             return filteredRows;
-        },
+        }
 
-        setIgnored: function(rowId, ignore) {
+        setIgnored(rowId, ignore) {
             const row = this.rows.get(rowId.toString());
             if (ignore)
                 row.full_data.remaining = 0;
             else
                 row.full_data.remaining = (row.full_data.size * (1.0 - (row.full_data.progress / 100)));
-        },
+        }
 
-        setupCommonEvents: function() {
-            this.parent();
+        setupCommonEvents() {
+            super.setupCommonEvents();
             this.dynamicTableDiv.addEventListener("keydown", (e) => {
                 const tr = e.target.closest("tr");
                 if (!tr)
@@ -3050,11 +3040,10 @@ window.qBittorrent.DynamicTable ??= (() => {
                 }
             });
         }
-    });
+    }
 
-    const RssFeedTable = new Class({
-        Extends: DynamicTable,
-        initColumns: function() {
+    class RssFeedTable extends DynamicTable {
+        initColumns() {
             this.newColumn("state_icon", "", "", 30, true);
             this.newColumn("name", "", "QBT_TR(RSS feeds)QBT_TR[CONTEXT=FeedListWidget]", -1, true);
 
@@ -3069,13 +3058,13 @@ window.qBittorrent.DynamicTable ??= (() => {
                 td.textContent = value;
                 td.title = value;
             };
-        },
-        setupHeaderMenu: () => {},
-        setupHeaderEvents: () => {},
-        getFilteredAndSortedRows: function() {
+        }
+        setupHeaderMenu() {}
+        setupHeaderEvents() {}
+        getFilteredAndSortedRows() {
             return [...this.getRowValues()];
-        },
-        selectRow: function(rowId) {
+        }
+        selectRow(rowId) {
             this.selectedRows.push(rowId);
             this.setRowClass();
             this.onSelectedRowChanged();
@@ -3088,9 +3077,9 @@ window.qBittorrent.DynamicTable ??= (() => {
                 }
             }
             window.qBittorrent.Rss.showRssFeed(path);
-        },
-        setupCommonEvents: function() {
-            this.parent();
+        }
+        setupCommonEvents() {
+            super.setupCommonEvents();
             this.dynamicTableDiv.addEventListener("dblclick", (e) => {
                 const tr = e.target.closest("tr");
                 if (!tr || (tr.rowId === "0"))
@@ -3098,8 +3087,8 @@ window.qBittorrent.DynamicTable ??= (() => {
 
                 window.qBittorrent.Rss.moveItem(this.getRow(tr.rowId).full_data.dataPath);
             });
-        },
-        updateRow: function(tr, fullUpdate) {
+        }
+        updateRow(tr, fullUpdate) {
             const row = this.rows.get(tr.rowId);
             const data = row[fullUpdate ? "full_data" : "data"];
 
@@ -3113,8 +3102,8 @@ window.qBittorrent.DynamicTable ??= (() => {
             const indentation = row.full_data.indentation;
             tds[0].style.paddingLeft = `${indentation * 32 + 4}px`;
             tds[1].style.paddingLeft = `${indentation * 32 + 4}px`;
-        },
-        updateIcons: function() {
+        }
+        updateIcons() {
             // state_icon
             for (const row of this.getRowValues()) {
                 let img_path;
@@ -3157,9 +3146,9 @@ window.qBittorrent.DynamicTable ??= (() => {
                     img.height = "22";
                     td.append(img);
                 }
-            };
-        },
-        newColumn: function(name, style, caption, defaultWidth, defaultVisible) {
+            }
+        }
+        newColumn(name, style, caption, defaultWidth, defaultVisible) {
             const column = {};
             column["name"] = name;
             column["title"] = name;
@@ -3195,19 +3184,18 @@ window.qBittorrent.DynamicTable ??= (() => {
             this.hiddenTableHeader.append(document.createElement("th"));
             this.fixedTableHeader.append(document.createElement("th"));
         }
-    });
+    }
 
-    const RssArticleTable = new Class({
-        Extends: DynamicTable,
-        initColumns: function() {
+    class RssArticleTable extends DynamicTable {
+        initColumns() {
             this.newColumn("name", "", "QBT_TR(Torrents: (double-click to download))QBT_TR[CONTEXT=RSSWidget]", -1, true);
-        },
-        setupHeaderMenu: () => {},
-        setupHeaderEvents: () => {},
-        getFilteredAndSortedRows: function() {
+        }
+        setupHeaderMenu() {}
+        setupHeaderEvents() {}
+        getFilteredAndSortedRows() {
             return [...this.getRowValues()];
-        },
-        selectRow: function(rowId) {
+        }
+        selectRow(rowId) {
             this.selectedRows.push(rowId);
             this.setRowClass();
             this.onSelectedRowChanged();
@@ -3223,10 +3211,10 @@ window.qBittorrent.DynamicTable ??= (() => {
                 }
             }
             window.qBittorrent.Rss.showDetails(feedUid, articleId);
-        },
+        }
 
-        setupCommonEvents: function() {
-            this.parent();
+        setupCommonEvents() {
+            super.setupCommonEvents();
             this.dynamicTableDiv.addEventListener("dblclick", (e) => {
                 const tr = e.target.closest("tr");
                 if (!tr)
@@ -3234,8 +3222,8 @@ window.qBittorrent.DynamicTable ??= (() => {
 
                 showDownloadPage([this.getRow(tr.rowId).full_data.torrentURL]);
             });
-        },
-        updateRow: function(tr, fullUpdate) {
+        }
+        updateRow(tr, fullUpdate) {
             const row = this.rows.get(tr.rowId);
             const data = row[fullUpdate ? "full_data" : "data"];
             tr.classList.toggle("unreadArticle", !row.full_data.isRead);
@@ -3246,8 +3234,8 @@ window.qBittorrent.DynamicTable ??= (() => {
                     this.columns[i].updateTd(tds[i], row);
             }
             row["data"] = {};
-        },
-        newColumn: function(name, style, caption, defaultWidth, defaultVisible) {
+        }
+        newColumn(name, style, caption, defaultWidth, defaultVisible) {
             const column = {};
             column["name"] = name;
             column["title"] = name;
@@ -3283,16 +3271,15 @@ window.qBittorrent.DynamicTable ??= (() => {
             this.hiddenTableHeader.append(document.createElement("th"));
             this.fixedTableHeader.append(document.createElement("th"));
         }
-    });
+    }
 
-    const RssDownloaderRulesTable = new Class({
-        Extends: DynamicTable,
-        initColumns: function() {
+    class RssDownloaderRulesTable extends DynamicTable {
+        initColumns() {
             this.newColumn("checked", "", "", 30, true);
             this.newColumn("name", "", "", -1, true);
 
             this.columns["checked"].updateTd = function(td, row) {
-                if ($(`cbRssDlRule${row.rowId}`) === null) {
+                if (document.getElementById(`cbRssDlRule${row.rowId}`) === null) {
                     const checkbox = document.createElement("input");
                     checkbox.type = "checkbox";
                     checkbox.id = `cbRssDlRule${row.rowId}`;
@@ -3310,19 +3297,19 @@ window.qBittorrent.DynamicTable ??= (() => {
                     td.append(checkbox);
                 }
                 else {
-                    $(`cbRssDlRule${row.rowId}`).checked = row.full_data.checked;
+                    document.getElementById(`cbRssDlRule${row.rowId}`).checked = row.full_data.checked;
                 }
             };
             this.columns["checked"].staticWidth = 50;
-        },
-        setupHeaderMenu: () => {},
-        setupHeaderEvents: () => {},
-        getFilteredAndSortedRows: function() {
+        }
+        setupHeaderMenu() {}
+        setupHeaderEvents() {}
+        getFilteredAndSortedRows() {
             return [...this.getRowValues()];
-        },
+        }
 
-        setupCommonEvents: function() {
-            this.parent();
+        setupCommonEvents() {
+            super.setupCommonEvents();
             this.dynamicTableDiv.addEventListener("dblclick", (e) => {
                 const tr = e.target.closest("tr");
                 if (!tr)
@@ -3330,8 +3317,8 @@ window.qBittorrent.DynamicTable ??= (() => {
 
                 window.qBittorrent.RssDownloader.renameRule(this.getRow(tr.rowId).full_data.name);
             });
-        },
-        newColumn: function(name, style, caption, defaultWidth, defaultVisible) {
+        }
+        newColumn(name, style, caption, defaultWidth, defaultVisible) {
             const column = {};
             column["name"] = name;
             column["title"] = name;
@@ -3366,8 +3353,8 @@ window.qBittorrent.DynamicTable ??= (() => {
 
             this.hiddenTableHeader.append(document.createElement("th"));
             this.fixedTableHeader.append(document.createElement("th"));
-        },
-        selectRow: function(rowId) {
+        }
+        selectRow(rowId) {
             this.selectedRows.push(rowId);
             this.setRowClass();
             this.onSelectedRowChanged();
@@ -3381,16 +3368,15 @@ window.qBittorrent.DynamicTable ??= (() => {
             }
             window.qBittorrent.RssDownloader.showRule(name);
         }
-    });
+    }
 
-    const RssDownloaderFeedSelectionTable = new Class({
-        Extends: DynamicTable,
-        initColumns: function() {
+    class RssDownloaderFeedSelectionTable extends DynamicTable {
+        initColumns() {
             this.newColumn("checked", "", "", 30, true);
             this.newColumn("name", "", "", -1, true);
 
             this.columns["checked"].updateTd = function(td, row) {
-                if ($(`cbRssDlFeed${row.rowId}`) === null) {
+                if (document.getElementById(`cbRssDlFeed${row.rowId}`) === null) {
                     const checkbox = document.createElement("input");
                     checkbox.type = "checkbox";
                     checkbox.id = `cbRssDlFeed${row.rowId}`;
@@ -3407,17 +3393,17 @@ window.qBittorrent.DynamicTable ??= (() => {
                     td.append(checkbox);
                 }
                 else {
-                    $(`cbRssDlFeed${row.rowId}`).checked = row.full_data.checked;
+                    document.getElementById(`cbRssDlFeed${row.rowId}`).checked = row.full_data.checked;
                 }
             };
             this.columns["checked"].staticWidth = 50;
-        },
-        setupHeaderMenu: () => {},
-        setupHeaderEvents: () => {},
-        getFilteredAndSortedRows: function() {
+        }
+        setupHeaderMenu() {}
+        setupHeaderEvents() {}
+        getFilteredAndSortedRows() {
             return [...this.getRowValues()];
-        },
-        newColumn: function(name, style, caption, defaultWidth, defaultVisible) {
+        }
+        newColumn(name, style, caption, defaultWidth, defaultVisible) {
             const column = {};
             column["name"] = name;
             column["title"] = name;
@@ -3452,21 +3438,20 @@ window.qBittorrent.DynamicTable ??= (() => {
 
             this.hiddenTableHeader.append(document.createElement("th"));
             this.fixedTableHeader.append(document.createElement("th"));
-        },
-        selectRow: () => {}
-    });
+        }
+        selectRow() {}
+    }
 
-    const RssDownloaderArticlesTable = new Class({
-        Extends: DynamicTable,
-        initColumns: function() {
+    class RssDownloaderArticlesTable extends DynamicTable {
+        initColumns() {
             this.newColumn("name", "", "", -1, true);
-        },
-        setupHeaderMenu: () => {},
-        setupHeaderEvents: () => {},
-        getFilteredAndSortedRows: function() {
+        }
+        setupHeaderMenu() {}
+        setupHeaderEvents() {}
+        getFilteredAndSortedRows() {
             return [...this.getRowValues()];
-        },
-        newColumn: function(name, style, caption, defaultWidth, defaultVisible) {
+        }
+        newColumn(name, style, caption, defaultWidth, defaultVisible) {
             const column = {};
             column["name"] = name;
             column["title"] = name;
@@ -3501,9 +3486,9 @@ window.qBittorrent.DynamicTable ??= (() => {
 
             this.hiddenTableHeader.append(document.createElement("th"));
             this.fixedTableHeader.append(document.createElement("th"));
-        },
-        selectRow: () => {},
-        updateRow: function(tr, fullUpdate) {
+        }
+        selectRow() {}
+        updateRow(tr, fullUpdate) {
             const row = this.rows.get(tr.rowId);
             const data = row[fullUpdate ? "full_data" : "data"];
 
@@ -3523,22 +3508,20 @@ window.qBittorrent.DynamicTable ??= (() => {
             }
             row["data"] = {};
         }
-    });
+    }
 
-    const LogMessageTable = new Class({
-        Extends: DynamicTable,
+    class LogMessageTable extends DynamicTable {
+        filterText = "";
 
-        filterText: "",
-
-        initColumns: function() {
+        initColumns() {
             this.newColumn("rowId", "", "QBT_TR(ID)QBT_TR[CONTEXT=ExecutionLogWidget]", 50, true);
             this.newColumn("message", "", "QBT_TR(Message)QBT_TR[CONTEXT=ExecutionLogWidget]", 350, true);
             this.newColumn("timestamp", "", "QBT_TR(Timestamp)QBT_TR[CONTEXT=ExecutionLogWidget]", 150, true);
             this.newColumn("type", "", "QBT_TR(Log Type)QBT_TR[CONTEXT=ExecutionLogWidget]", 100, true);
             this.initColumnsFunctions();
-        },
+        }
 
-        initColumnsFunctions: function() {
+        initColumnsFunctions() {
             this.columns["timestamp"].updateTd = function(td, row) {
                 const date = new Date(this.getRowValue(row) * 1000).toLocaleString();
                 td.textContent = date;
@@ -3574,9 +3557,9 @@ window.qBittorrent.DynamicTable ??= (() => {
                 td.title = logLevel;
                 td.closest("tr").classList.add(`logTableRow${addClass}`);
             };
-        },
+        }
 
-        getFilteredAndSortedRows: function() {
+        getFilteredAndSortedRows() {
             let filteredRows = [];
             this.filterText = window.qBittorrent.Log.getFilterText();
             const filterTerms = (this.filterText.length > 0) ? this.filterText.toLowerCase().split(" ") : [];
@@ -3605,13 +3588,11 @@ window.qBittorrent.DynamicTable ??= (() => {
             this.filteredLength = filteredRows.length;
 
             return filteredRows;
-        },
-    });
+        }
+    }
 
-    const LogPeerTable = new Class({
-        Extends: LogMessageTable,
-
-        initColumns: function() {
+    class LogPeerTable extends LogMessageTable {
+        initColumns() {
             this.newColumn("rowId", "", "QBT_TR(ID)QBT_TR[CONTEXT=ExecutionLogWidget]", 50, true);
             this.newColumn("ip", "", "QBT_TR(IP)QBT_TR[CONTEXT=ExecutionLogWidget]", 150, true);
             this.newColumn("timestamp", "", "QBT_TR(Timestamp)QBT_TR[CONTEXT=ExecutionLogWidget]", 150, true);
@@ -3638,9 +3619,9 @@ window.qBittorrent.DynamicTable ??= (() => {
                 td.title = status;
                 td.closest("tr").classList.add(`logTableRow${addClass}`);
             };
-        },
+        }
 
-        getFilteredAndSortedRows: function() {
+        getFilteredAndSortedRows() {
             let filteredRows = [];
             this.filterText = window.qBittorrent.Log.getFilterText();
             const filterTerms = (this.filterText.length > 0) ? this.filterText.toLowerCase().split(" ") : [];
@@ -3664,20 +3645,16 @@ window.qBittorrent.DynamicTable ??= (() => {
 
             return filteredRows;
         }
-    });
+    }
 
-    const TorrentWebseedsTable = new Class({
-        Extends: DynamicTable,
-
-        initColumns: function() {
+    class TorrentWebseedsTable extends DynamicTable {
+        initColumns() {
             this.newColumn("url", "", "QBT_TR(URL)QBT_TR[CONTEXT=HttpServer]", 500, true);
-        },
-    });
+        }
+    }
 
-    const TorrentCreationTasksTable = new Class({
-        Extends: DynamicTable,
-
-        initColumns: function() {
+    class TorrentCreationTasksTable extends DynamicTable {
+        initColumns() {
             this.newColumn("state_icon", "", "QBT_TR(Status Icon)QBT_TR[CONTEXT=TorrentCreator]", 30, false);
             this.newColumn("source_path", "", "QBT_TR(Source Path)QBT_TR[CONTEXT=TorrentCreator]", 200, true);
             this.newColumn("progress", "", "QBT_TR(Progress)QBT_TR[CONTEXT=TorrentCreator]", 85, true);
@@ -3698,9 +3675,9 @@ window.qBittorrent.DynamicTable ??= (() => {
             this.columns["source_path"].dataProperties.push("status");
 
             this.initColumnsFunctions();
-        },
+        }
 
-        initColumnsFunctions: function() {
+        initColumnsFunctions() {
             const getStateIconClasses = (state) => {
                 let stateClass = "stateUnknown";
                 // normalize states
@@ -3876,10 +3853,10 @@ window.qBittorrent.DynamicTable ??= (() => {
             this.columns["added_on"].updateTd = displayDate;
             this.columns["start_on"].updateTd = displayDate;
             this.columns["completion_on"].updateTd = displayDate;
-        },
+        }
 
-        setupCommonEvents: function() {
-            this.parent();
+        setupCommonEvents() {
+            super.setupCommonEvents();
             this.dynamicTableDiv.addEventListener("dblclick", (e) => {
                 const tr = e.target.closest("tr");
                 if (!tr)
@@ -3890,8 +3867,8 @@ window.qBittorrent.DynamicTable ??= (() => {
 
                 window.qBittorrent.TorrentCreator.exportTorrents();
             });
-        },
-    });
+        }
+    }
 
     return exports();
 })();
diff --git a/src/webui/www/private/scripts/file-tree.js b/src/webui/www/private/scripts/file-tree.js
index 328806988..c56ddeaef 100644
--- a/src/webui/www/private/scripts/file-tree.js
+++ b/src/webui/www/private/scripts/file-tree.js
@@ -56,51 +56,51 @@ window.qBittorrent.FileTree ??= (() => {
     };
     Object.freeze(TriState);
 
-    const FileTree = new Class({
-        root: null,
-        nodeMap: {},
+    class FileTree {
+        #root = null;
+        #nodeMap = {}; // Object with Number as keys is faster than anything
 
-        setRoot: function(root) {
-            this.root = root;
-            this.generateNodeMap(root);
+        setRoot(root) {
+            this.#root = root;
+            this.#generateNodeMap(root);
 
-            if (this.root.isFolder)
-                this.root.calculateSize();
-        },
+            if (this.#root.isFolder)
+                this.#root.calculateSize();
+        }
 
-        getRoot: function() {
-            return this.root;
-        },
+        getRoot() {
+            return this.#root;
+        }
 
-        generateNodeMap: function(root) {
+        #generateNodeMap(root) {
             const stack = [root];
             while (stack.length > 0) {
                 const node = stack.pop();
 
                 // don't store root node in map
                 if (node.root !== null)
-                    this.nodeMap[node.rowId] = node;
+                    this.#nodeMap[node.rowId] = node;
 
                 stack.push(...node.children);
             }
-        },
+        }
 
-        getNode: function(rowId) {
-            return (this.nodeMap[rowId] === undefined)
-                ? null
-                : this.nodeMap[rowId];
-        },
+        getNode(rowId) {
+            // TODO: enforce caller sites to pass `rowId` as number and not string
+            const value = this.#nodeMap[Number(rowId)];
+            return (value !== undefined) ? value : null;
+        }
 
-        getRowId: (node) => {
+        getRowId(node) {
             return node.rowId;
-        },
+        }
 
         /**
          * Returns the nodes in DFS in-order
          */
-        toArray: function() {
+        toArray() {
             const ret = [];
-            const stack = this.root.children.toReversed();
+            const stack = this.#root.children.toReversed();
             while (stack.length > 0) {
                 const node = stack.pop();
                 ret.push(node);
@@ -108,45 +108,40 @@ window.qBittorrent.FileTree ??= (() => {
             }
             return ret;
         }
-    });
+    }
 
-    const FileNode = new Class({
-        name: "",
-        path: "",
-        rowId: null,
-        size: 0,
-        checked: TriState.Unchecked,
-        remaining: 0,
-        progress: 0,
-        priority: FilePriority.Normal,
-        availability: 0,
-        depth: 0,
-        root: null,
-        data: null,
-        isFolder: false,
-        children: [],
-    });
-
-    const FolderNode = new Class({
-        Extends: FileNode,
+    class FileNode {
+        name = "";
+        path = "";
+        rowId = null;
+        size = 0;
+        checked = TriState.Unchecked;
+        remaining = 0;
+        progress = 0;
+        priority = FilePriority.Normal;
+        availability = 0;
+        depth = 0;
+        root = null;
+        data = null;
+        isFolder = false;
+        children = [];
+    }
 
+    class FolderNode extends FileNode {
         /**
          * Will automatically tick the checkbox for a folder if all subfolders and files are also ticked
          */
-        autoCheckFolders: true,
+        autoCheckFolders = true;
+        isFolder = true;
 
-        initialize: function() {
-            this.isFolder = true;
-        },
-
-        addChild: function(node) {
+        addChild(node) {
             this.children.push(node);
-        },
+        }
 
         /**
          * Calculate size of node and its children
          */
-        calculateSize: function() {
+        calculateSize() {
             const stack = [this];
             const visited = [];
 
@@ -202,7 +197,7 @@ window.qBittorrent.FileTree ??= (() => {
                 stack.pop();
             }
         }
-    });
+    }
 
     return exports();
 })();
diff --git a/src/webui/www/private/scripts/localpreferences.js b/src/webui/www/private/scripts/localpreferences.js
index deb0c159f..73f341127 100644
--- a/src/webui/www/private/scripts/localpreferences.js
+++ b/src/webui/www/private/scripts/localpreferences.js
@@ -61,7 +61,7 @@ window.qBittorrent.LocalPreferences ??= (() => {
                 console.error(err);
             }
         }
-    };
+    }
 
     return exports();
 })();
diff --git a/src/webui/www/private/scripts/mocha-init.js b/src/webui/www/private/scripts/mocha-init.js
index 52bba2d4d..314d84d22 100644
--- a/src/webui/www/private/scripts/mocha-init.js
+++ b/src/webui/www/private/scripts/mocha-init.js
@@ -151,7 +151,7 @@ let exportTorrentFN = () => {};
 
 const initializeWindows = () => {
     saveWindowSize = (windowId) => {
-        const size = $(windowId).getSize();
+        const size = document.getElementById(windowId).getSize();
         LocalPreferences.set(`window_${windowId}_width`, size.x);
         LocalPreferences.set(`window_${windowId}_height`, size.y);
     };
@@ -166,8 +166,8 @@ const initializeWindows = () => {
 
     const addClickEvent = (el, fn) => {
         ["Link", "Button"].each((item) => {
-            if ($(el + item))
-                $(el + item).addEventListener("click", fn);
+            if (document.getElementById(el + item))
+                document.getElementById(el + item).addEventListener("click", fn);
         });
     };
 
diff --git a/src/webui/www/private/scripts/pathAutofill.js b/src/webui/www/private/scripts/pathAutofill.js
index 2e260f145..3568b8f71 100644
--- a/src/webui/www/private/scripts/pathAutofill.js
+++ b/src/webui/www/private/scripts/pathAutofill.js
@@ -85,7 +85,7 @@ window.qBittorrent.pathAutofill ??= (() => {
             input.addEventListener("input", function() { showPathSuggestions(this, "all"); });
             input.classList.add("pathAutoFillInitialized");
         }
-    };
+    }
 
     return exports();
 })();
diff --git a/src/webui/www/private/scripts/piecesbar.js b/src/webui/www/private/scripts/piecesbar.js
index 49d159cb1..803087f24 100644
--- a/src/webui/www/private/scripts/piecesbar.js
+++ b/src/webui/www/private/scripts/piecesbar.js
@@ -251,7 +251,7 @@ window.qBittorrent.PiecesBar ??= (() => {
     }
 
     const checkForParent = (id) => {
-        const obj = $(id);
+        const obj = document.getElementById(id);
         if (!obj)
             return;
         if (!obj.parentNode)
diff --git a/src/webui/www/private/scripts/progressbar.js b/src/webui/www/private/scripts/progressbar.js
index 5489b8877..0812024cf 100644
--- a/src/webui/www/private/scripts/progressbar.js
+++ b/src/webui/www/private/scripts/progressbar.js
@@ -142,7 +142,7 @@ window.qBittorrent.ProgressBar ??= (() => {
     }
 
     const ProgressBar_checkForParent = (id) => {
-        const obj = $(id);
+        const obj = document.getElementById(id);
         if (!obj)
             return;
         if (!obj.parentNode)
diff --git a/src/webui/www/private/scripts/prop-files.js b/src/webui/www/private/scripts/prop-files.js
index 1aa2665b9..0d9ce76b9 100644
--- a/src/webui/www/private/scripts/prop-files.js
+++ b/src/webui/www/private/scripts/prop-files.js
@@ -208,7 +208,7 @@ window.qBittorrent.PropFiles ??= (() => {
         const rowIds = [];
         const fileIds = [];
         let priority = FilePriority.Ignored;
-        const checkbox = $("tristate_cb");
+        const checkbox = document.getElementById("tristate_cb");
 
         if (checkbox.state === "checked") {
             setCheckboxUnchecked(checkbox);
@@ -245,7 +245,7 @@ window.qBittorrent.PropFiles ??= (() => {
     };
 
     const updateGlobalCheckbox = () => {
-        const checkbox = $("tristate_cb");
+        const checkbox = document.getElementById("tristate_cb");
         if (torrentFilesTable.isAllCheckboxesChecked())
             setCheckboxChecked(checkbox);
         else if (torrentFilesTable.isAllCheckboxesUnchecked())
@@ -297,7 +297,7 @@ window.qBittorrent.PropFiles ??= (() => {
         ids.forEach((id) => {
             torrentFilesTable.setIgnored(id, ignore);
 
-            const combobox = $(`comboPrio${id}`);
+            const combobox = document.getElementById(`comboPrio${id}`);
             if (combobox !== null)
                 selectComboboxPriority(combobox, priority);
         });
@@ -307,8 +307,8 @@ window.qBittorrent.PropFiles ??= (() => {
     const loadTorrentFilesData = () => {
         if (document.hidden)
             return;
-        if ($("propFiles").classList.contains("invisible")
-            || $("propertiesPanel_collapseToggle").classList.contains("panel-expand")) {
+        if (document.getElementById("propFiles").classList.contains("invisible")
+            || document.getElementById("propertiesPanel_collapseToggle").classList.contains("panel-expand")) {
             // Tab changed, don't do anything
             return;
         }
@@ -586,10 +586,10 @@ window.qBittorrent.PropFiles ??= (() => {
 
     // listen for changes to torrentFilesFilterInput
     let torrentFilesFilterInputTimer = -1;
-    $("torrentFilesFilterInput").addEventListener("input", () => {
+    document.getElementById("torrentFilesFilterInput").addEventListener("input", () => {
         clearTimeout(torrentFilesFilterInputTimer);
 
-        const value = $("torrentFilesFilterInput").value;
+        const value = document.getElementById("torrentFilesFilterInput").value;
         torrentFilesTable.setFilter(value);
 
         torrentFilesFilterInputTimer = setTimeout(() => {
diff --git a/src/webui/www/private/scripts/prop-general.js b/src/webui/www/private/scripts/prop-general.js
index d93c9b746..fce3c84a6 100644
--- a/src/webui/www/private/scripts/prop-general.js
+++ b/src/webui/www/private/scripts/prop-general.js
@@ -40,37 +40,37 @@ window.qBittorrent.PropGeneral ??= (() => {
     const piecesBar = new window.qBittorrent.PiecesBar.PiecesBar([], {
         height: 18
     });
-    $("progress").appendChild(piecesBar);
+    document.getElementById("progress").appendChild(piecesBar);
 
     const clearData = () => {
         document.getElementById("progressPercentage").textContent = "";
-        $("time_elapsed").textContent = "";
-        $("eta").textContent = "";
-        $("nb_connections").textContent = "";
-        $("total_downloaded").textContent = "";
-        $("total_uploaded").textContent = "";
-        $("dl_speed").textContent = "";
-        $("up_speed").textContent = "";
-        $("dl_limit").textContent = "";
-        $("up_limit").textContent = "";
-        $("total_wasted").textContent = "";
-        $("seeds").textContent = "";
-        $("peers").textContent = "";
-        $("share_ratio").textContent = "";
-        $("popularity").textContent = "";
-        $("reannounce").textContent = "";
-        $("last_seen").textContent = "";
-        $("total_size").textContent = "";
-        $("pieces").textContent = "";
-        $("created_by").textContent = "";
-        $("addition_date").textContent = "";
-        $("completion_date").textContent = "";
-        $("creation_date").textContent = "";
-        $("torrent_hash_v1").textContent = "";
-        $("torrent_hash_v2").textContent = "";
-        $("save_path").textContent = "";
-        $("comment").textContent = "";
-        $("private").textContent = "";
+        document.getElementById("time_elapsed").textContent = "";
+        document.getElementById("eta").textContent = "";
+        document.getElementById("nb_connections").textContent = "";
+        document.getElementById("total_downloaded").textContent = "";
+        document.getElementById("total_uploaded").textContent = "";
+        document.getElementById("dl_speed").textContent = "";
+        document.getElementById("up_speed").textContent = "";
+        document.getElementById("dl_limit").textContent = "";
+        document.getElementById("up_limit").textContent = "";
+        document.getElementById("total_wasted").textContent = "";
+        document.getElementById("seeds").textContent = "";
+        document.getElementById("peers").textContent = "";
+        document.getElementById("share_ratio").textContent = "";
+        document.getElementById("popularity").textContent = "";
+        document.getElementById("reannounce").textContent = "";
+        document.getElementById("last_seen").textContent = "";
+        document.getElementById("total_size").textContent = "";
+        document.getElementById("pieces").textContent = "";
+        document.getElementById("created_by").textContent = "";
+        document.getElementById("addition_date").textContent = "";
+        document.getElementById("completion_date").textContent = "";
+        document.getElementById("creation_date").textContent = "";
+        document.getElementById("torrent_hash_v1").textContent = "";
+        document.getElementById("torrent_hash_v2").textContent = "";
+        document.getElementById("save_path").textContent = "";
+        document.getElementById("comment").textContent = "";
+        document.getElementById("private").textContent = "";
         piecesBar.clear();
     };
 
@@ -78,8 +78,8 @@ window.qBittorrent.PropGeneral ??= (() => {
     const loadTorrentData = () => {
         if (document.hidden)
             return;
-        if ($("propGeneral").classList.contains("invisible")
-            || $("propertiesPanel_collapseToggle").classList.contains("panel-expand")) {
+        if (document.getElementById("propGeneral").classList.contains("invisible")
+            || document.getElementById("propertiesPanel_collapseToggle").classList.contains("panel-expand")) {
             // Tab changed, don't do anything
             return;
         }
@@ -100,13 +100,13 @@ window.qBittorrent.PropGeneral ??= (() => {
             })
             .then(async (response) => {
                 if (!response.ok) {
-                    $("error_div").textContent = "QBT_TR(qBittorrent client is not reachable)QBT_TR[CONTEXT=HttpServer]";
+                    document.getElementById("error_div").textContent = "QBT_TR(qBittorrent client is not reachable)QBT_TR[CONTEXT=HttpServer]";
                     clearTimeout(loadTorrentDataTimer);
                     loadTorrentDataTimer = loadTorrentData.delay(10000);
                     return;
                 }
 
-                $("error_div").textContent = "";
+                document.getElementById("error_div").textContent = "";
 
                 const data = await response.json();
                 if (data) {
@@ -119,70 +119,70 @@ window.qBittorrent.PropGeneral ??= (() => {
                         .replace("%1", window.qBittorrent.Misc.friendlyDuration(data.time_elapsed))
                         .replace("%2", window.qBittorrent.Misc.friendlyDuration(data.seeding_time))
                         : window.qBittorrent.Misc.friendlyDuration(data.time_elapsed);
-                    $("time_elapsed").textContent = timeElapsed;
+                    document.getElementById("time_elapsed").textContent = timeElapsed;
 
-                    $("eta").textContent = window.qBittorrent.Misc.friendlyDuration(data.eta, window.qBittorrent.Misc.MAX_ETA);
+                    document.getElementById("eta").textContent = window.qBittorrent.Misc.friendlyDuration(data.eta, window.qBittorrent.Misc.MAX_ETA);
 
                     const nbConnections = "QBT_TR(%1 (%2 max))QBT_TR[CONTEXT=PropertiesWidget]"
                         .replace("%1", data.nb_connections)
                         .replace("%2", ((data.nb_connections_limit < 0) ? "∞" : data.nb_connections_limit));
-                    $("nb_connections").textContent = nbConnections;
+                    document.getElementById("nb_connections").textContent = nbConnections;
 
                     const totalDownloaded = "QBT_TR(%1 (%2 this session))QBT_TR[CONTEXT=PropertiesWidget]"
                         .replace("%1", window.qBittorrent.Misc.friendlyUnit(data.total_downloaded))
                         .replace("%2", window.qBittorrent.Misc.friendlyUnit(data.total_downloaded_session));
-                    $("total_downloaded").textContent = totalDownloaded;
+                    document.getElementById("total_downloaded").textContent = totalDownloaded;
 
                     const totalUploaded = "QBT_TR(%1 (%2 this session))QBT_TR[CONTEXT=PropertiesWidget]"
                         .replace("%1", window.qBittorrent.Misc.friendlyUnit(data.total_uploaded))
                         .replace("%2", window.qBittorrent.Misc.friendlyUnit(data.total_uploaded_session));
-                    $("total_uploaded").textContent = totalUploaded;
+                    document.getElementById("total_uploaded").textContent = totalUploaded;
 
                     const dlSpeed = "QBT_TR(%1 (%2 avg.))QBT_TR[CONTEXT=PropertiesWidget]"
                         .replace("%1", window.qBittorrent.Misc.friendlyUnit(data.dl_speed, true))
                         .replace("%2", window.qBittorrent.Misc.friendlyUnit(data.dl_speed_avg, true));
-                    $("dl_speed").textContent = dlSpeed;
+                    document.getElementById("dl_speed").textContent = dlSpeed;
 
                     const upSpeed = "QBT_TR(%1 (%2 avg.))QBT_TR[CONTEXT=PropertiesWidget]"
                         .replace("%1", window.qBittorrent.Misc.friendlyUnit(data.up_speed, true))
                         .replace("%2", window.qBittorrent.Misc.friendlyUnit(data.up_speed_avg, true));
-                    $("up_speed").textContent = upSpeed;
+                    document.getElementById("up_speed").textContent = upSpeed;
 
                     const dlLimit = (data.dl_limit === -1)
                         ? "∞"
                         : window.qBittorrent.Misc.friendlyUnit(data.dl_limit, true);
-                    $("dl_limit").textContent = dlLimit;
+                    document.getElementById("dl_limit").textContent = dlLimit;
 
                     const upLimit = (data.up_limit === -1)
                         ? "∞"
                         : window.qBittorrent.Misc.friendlyUnit(data.up_limit, true);
-                    $("up_limit").textContent = upLimit;
+                    document.getElementById("up_limit").textContent = upLimit;
 
-                    $("total_wasted").textContent = window.qBittorrent.Misc.friendlyUnit(data.total_wasted);
+                    document.getElementById("total_wasted").textContent = window.qBittorrent.Misc.friendlyUnit(data.total_wasted);
 
                     const seeds = "QBT_TR(%1 (%2 total))QBT_TR[CONTEXT=PropertiesWidget]"
                         .replace("%1", data.seeds)
                         .replace("%2", data.seeds_total);
-                    $("seeds").textContent = seeds;
+                    document.getElementById("seeds").textContent = seeds;
 
                     const peers = "QBT_TR(%1 (%2 total))QBT_TR[CONTEXT=PropertiesWidget]"
                         .replace("%1", data.peers)
                         .replace("%2", data.peers_total);
-                    $("peers").textContent = peers;
+                    document.getElementById("peers").textContent = peers;
 
-                    $("share_ratio").textContent = data.share_ratio.toFixed(2);
+                    document.getElementById("share_ratio").textContent = data.share_ratio.toFixed(2);
 
-                    $("popularity").textContent = data.popularity.toFixed(2);
+                    document.getElementById("popularity").textContent = data.popularity.toFixed(2);
 
-                    $("reannounce").textContent = window.qBittorrent.Misc.friendlyDuration(data.reannounce);
+                    document.getElementById("reannounce").textContent = window.qBittorrent.Misc.friendlyDuration(data.reannounce);
 
                     const lastSeen = (data.last_seen >= 0)
                         ? new Date(data.last_seen * 1000).toLocaleString()
                         : "QBT_TR(Never)QBT_TR[CONTEXT=PropertiesWidget]";
-                    $("last_seen").textContent = lastSeen;
+                    document.getElementById("last_seen").textContent = lastSeen;
 
                     const totalSize = (data.total_size >= 0) ? window.qBittorrent.Misc.friendlyUnit(data.total_size) : "";
-                    $("total_size").textContent = totalSize;
+                    document.getElementById("total_size").textContent = totalSize;
 
                     const pieces = (data.pieces_num >= 0)
                         ? "QBT_TR(%1 x %2 (have %3))QBT_TR[CONTEXT=PropertiesWidget]"
@@ -190,40 +190,40 @@ window.qBittorrent.PropGeneral ??= (() => {
                         .replace("%2", window.qBittorrent.Misc.friendlyUnit(data.piece_size))
                         .replace("%3", data.pieces_have)
                         : "";
-                    $("pieces").textContent = pieces;
+                    document.getElementById("pieces").textContent = pieces;
 
-                    $("created_by").textContent = data.created_by;
+                    document.getElementById("created_by").textContent = data.created_by;
 
                     const additionDate = (data.addition_date >= 0)
                         ? new Date(data.addition_date * 1000).toLocaleString()
                         : "QBT_TR(Unknown)QBT_TR[CONTEXT=HttpServer]";
-                    $("addition_date").textContent = additionDate;
+                    document.getElementById("addition_date").textContent = additionDate;
 
                     const completionDate = (data.completion_date >= 0)
                         ? new Date(data.completion_date * 1000).toLocaleString()
                         : "";
-                    $("completion_date").textContent = completionDate;
+                    document.getElementById("completion_date").textContent = completionDate;
 
                     const creationDate = (data.creation_date >= 0)
                         ? new Date(data.creation_date * 1000).toLocaleString()
                         : "";
-                    $("creation_date").textContent = creationDate;
+                    document.getElementById("creation_date").textContent = creationDate;
 
                     const torrentHashV1 = (data.infohash_v1 !== "")
                         ? data.infohash_v1
                         : "QBT_TR(N/A)QBT_TR[CONTEXT=PropertiesWidget]";
-                    $("torrent_hash_v1").textContent = torrentHashV1;
+                    document.getElementById("torrent_hash_v1").textContent = torrentHashV1;
 
                     const torrentHashV2 = (data.infohash_v2 !== "")
                         ? data.infohash_v2
                         : "QBT_TR(N/A)QBT_TR[CONTEXT=PropertiesWidget]";
-                    $("torrent_hash_v2").textContent = torrentHashV2;
+                    document.getElementById("torrent_hash_v2").textContent = torrentHashV2;
 
-                    $("save_path").textContent = data.save_path;
+                    document.getElementById("save_path").textContent = data.save_path;
 
-                    $("comment").innerHTML = window.qBittorrent.Misc.parseHtmlLinks(window.qBittorrent.Misc.escapeHtml(data.comment));
+                    document.getElementById("comment").innerHTML = window.qBittorrent.Misc.parseHtmlLinks(window.qBittorrent.Misc.escapeHtml(data.comment));
 
-                    $("private").textContent = (data.has_metadata
+                    document.getElementById("private").textContent = (data.has_metadata
                         ? (data.private
                             ? "QBT_TR(Yes)QBT_TR[CONTEXT=PropertiesWidget]"
                             : "QBT_TR(No)QBT_TR[CONTEXT=PropertiesWidget]")
@@ -246,13 +246,13 @@ window.qBittorrent.PropGeneral ??= (() => {
             })
             .then(async (response) => {
                 if (!response.ok) {
-                    $("error_div").textContent = "QBT_TR(qBittorrent client is not reachable)QBT_TR[CONTEXT=HttpServer]";
+                    document.getElementById("error_div").textContent = "QBT_TR(qBittorrent client is not reachable)QBT_TR[CONTEXT=HttpServer]";
                     clearTimeout(loadTorrentDataTimer);
                     loadTorrentDataTimer = loadTorrentData.delay(10000);
                     return;
                 }
 
-                $("error_div").textContent = "";
+                document.getElementById("error_div").textContent = "";
 
                 const data = await response.json();
                 if (data)
diff --git a/src/webui/www/private/scripts/prop-peers.js b/src/webui/www/private/scripts/prop-peers.js
index 8ccb2cbd1..f718d04e6 100644
--- a/src/webui/www/private/scripts/prop-peers.js
+++ b/src/webui/www/private/scripts/prop-peers.js
@@ -45,8 +45,8 @@ window.qBittorrent.PropPeers ??= (() => {
     const loadTorrentPeersData = () => {
         if (document.hidden)
             return;
-        if ($("propPeers").classList.contains("invisible")
-            || $("propertiesPanel_collapseToggle").classList.contains("panel-expand")) {
+        if (document.getElementById("propPeers").classList.contains("invisible")
+            || document.getElementById("propertiesPanel_collapseToggle").classList.contains("panel-expand")) {
             syncTorrentPeersLastResponseId = 0;
             torrentPeersTable.clear();
             return;
@@ -73,7 +73,7 @@ window.qBittorrent.PropPeers ??= (() => {
 
                 const responseJSON = await response.json();
 
-                $("error_div").textContent = "";
+                document.getElementById("error_div").textContent = "";
                 if (responseJSON) {
                     const full_update = (responseJSON["full_update"] === true);
                     if (full_update)
diff --git a/src/webui/www/private/scripts/prop-trackers.js b/src/webui/www/private/scripts/prop-trackers.js
index e75709724..05a5de700 100644
--- a/src/webui/www/private/scripts/prop-trackers.js
+++ b/src/webui/www/private/scripts/prop-trackers.js
@@ -45,8 +45,8 @@ window.qBittorrent.PropTrackers ??= (() => {
     const loadTrackersData = () => {
         if (document.hidden)
             return;
-        if ($("propTrackers").classList.contains("invisible")
-            || $("propertiesPanel_collapseToggle").classList.contains("panel-expand")) {
+        if (document.getElementById("propTrackers").classList.contains("invisible")
+            || document.getElementById("propertiesPanel_collapseToggle").classList.contains("panel-expand")) {
             // Tab changed, don't do anything
             return;
         }
diff --git a/src/webui/www/private/scripts/prop-webseeds.js b/src/webui/www/private/scripts/prop-webseeds.js
index 7fd517597..737642f69 100644
--- a/src/webui/www/private/scripts/prop-webseeds.js
+++ b/src/webui/www/private/scripts/prop-webseeds.js
@@ -45,8 +45,8 @@ window.qBittorrent.PropWebseeds ??= (() => {
     const loadWebSeedsData = () => {
         if (document.hidden)
             return;
-        if ($("propWebSeeds").classList.contains("invisible")
-            || $("propertiesPanel_collapseToggle").classList.contains("panel-expand")) {
+        if (document.getElementById("propWebSeeds").classList.contains("invisible")
+            || document.getElementById("propertiesPanel_collapseToggle").classList.contains("panel-expand")) {
             // Tab changed, don't do anything
             return;
         }
diff --git a/src/webui/www/private/scripts/rename-files.js b/src/webui/www/private/scripts/rename-files.js
index 5087f793e..a320c83df 100644
--- a/src/webui/www/private/scripts/rename-files.js
+++ b/src/webui/www/private/scripts/rename-files.js
@@ -22,7 +22,7 @@ window.qBittorrent.MultiRename ??= (() => {
 
         // Search Options
         _inner_search: "",
-        setSearch(val) {
+        setSearch: function(val) {
             this._inner_search = val;
             this._inner_update();
             this.onChanged(this.matchedFiles);
@@ -33,7 +33,7 @@ window.qBittorrent.MultiRename ??= (() => {
 
         // Replacement Options
         _inner_replacement: "",
-        setReplacement(val) {
+        setReplacement: function(val) {
             this._inner_replacement = val;
             this._inner_update();
             this.onChanged(this.matchedFiles);
diff --git a/src/webui/www/private/scripts/search.js b/src/webui/www/private/scripts/search.js
index 3dc0b454b..8bae496b4 100644
--- a/src/webui/www/private/scripts/search.js
+++ b/src/webui/www/private/scripts/search.js
@@ -107,7 +107,7 @@ window.qBittorrent.Search ??= (() => {
 
     const init = () => {
         // load "Search in" preference from local storage
-        $("searchInTorrentName").value = (LocalPreferences.get("search_in_filter") === "names") ? "names" : "everywhere";
+        document.getElementById("searchInTorrentName").value = (LocalPreferences.get("search_in_filter") === "names") ? "names" : "everywhere";
         const searchResultsTableContextMenu = new window.qBittorrent.ContextMenu.ContextMenu({
             targets: "#searchResultsTableDiv tbody tr",
             menu: "searchResultsTableMenu",
@@ -128,12 +128,12 @@ window.qBittorrent.Search ??= (() => {
 
         // listen for changes to searchInNameFilter
         let searchInNameFilterTimer = -1;
-        $("searchInNameFilter").addEventListener("input", () => {
+        document.getElementById("searchInNameFilter").addEventListener("input", () => {
             clearTimeout(searchInNameFilterTimer);
             searchInNameFilterTimer = setTimeout(() => {
                 searchInNameFilterTimer = -1;
 
-                const value = $("searchInNameFilter").value;
+                const value = document.getElementById("searchInNameFilter").value;
                 searchText.filterPattern = value;
                 searchFilterChanged();
             }, window.qBittorrent.Misc.FILTER_INPUT_DELAY);
@@ -200,15 +200,15 @@ window.qBittorrent.Search ??= (() => {
             document.getElementById("startSearchButton").lastChild.textContent = "QBT_TR(Search)QBT_TR[CONTEXT=SearchEngineWidget]";
         });
         listItem.appendChild(tabElem);
-        $("searchTabs").appendChild(listItem);
+        document.getElementById("searchTabs").appendChild(listItem);
         searchResultsTabsContextMenu.addTarget(listItem);
 
         // unhide the results elements
         if (numSearchTabs() >= 1) {
-            $("searchResultsNoSearches").classList.add("invisible");
-            $("searchResultsFilters").classList.remove("invisible");
-            $("searchResultsTableContainer").classList.remove("invisible");
-            $("searchTabsToolbar").classList.remove("invisible");
+            document.getElementById("searchResultsNoSearches").classList.add("invisible");
+            document.getElementById("searchResultsFilters").classList.remove("invisible");
+            document.getElementById("searchResultsTableContainer").classList.remove("invisible");
+            document.getElementById("searchTabsToolbar").classList.remove("invisible");
         }
 
         // select new tab
@@ -268,12 +268,12 @@ window.qBittorrent.Search ??= (() => {
             resetSearchState();
             resetFilters();
 
-            $("numSearchResultsVisible").textContent = 0;
-            $("numSearchResultsTotal").textContent = 0;
-            $("searchResultsNoSearches").classList.remove("invisible");
-            $("searchResultsFilters").classList.add("invisible");
-            $("searchResultsTableContainer").classList.add("invisible");
-            $("searchTabsToolbar").classList.add("invisible");
+            document.getElementById("numSearchResultsVisible").textContent = 0;
+            document.getElementById("numSearchResultsTotal").textContent = 0;
+            document.getElementById("searchResultsNoSearches").classList.remove("invisible");
+            document.getElementById("searchResultsFilters").classList.add("invisible");
+            document.getElementById("searchResultsTableContainer").classList.add("invisible");
+            document.getElementById("searchTabsToolbar").classList.add("invisible");
         }
         else if (isTabSelected && newTabToSelect) {
             setActiveTab(newTabToSelect);
@@ -335,23 +335,23 @@ window.qBittorrent.Search ??= (() => {
             // restore filters
             searchText.pattern = state.searchPattern;
             searchText.filterPattern = state.filterPattern;
-            $("searchInNameFilter").value = state.filterPattern;
+            document.getElementById("searchInNameFilter").value = state.filterPattern;
 
             searchSeedsFilter.min = state.seedsFilter.min;
             searchSeedsFilter.max = state.seedsFilter.max;
-            $("searchMinSeedsFilter").value = state.seedsFilter.min;
-            $("searchMaxSeedsFilter").value = state.seedsFilter.max;
+            document.getElementById("searchMinSeedsFilter").value = state.seedsFilter.min;
+            document.getElementById("searchMaxSeedsFilter").value = state.seedsFilter.max;
 
             searchSizeFilter.min = state.sizeFilter.min;
             searchSizeFilter.minUnit = state.sizeFilter.minUnit;
             searchSizeFilter.max = state.sizeFilter.max;
             searchSizeFilter.maxUnit = state.sizeFilter.maxUnit;
-            $("searchMinSizeFilter").value = state.sizeFilter.min;
-            $("searchMinSizePrefix").value = state.sizeFilter.minUnit;
-            $("searchMaxSizeFilter").value = state.sizeFilter.max;
-            $("searchMaxSizePrefix").value = state.sizeFilter.maxUnit;
+            document.getElementById("searchMinSizeFilter").value = state.sizeFilter.min;
+            document.getElementById("searchMinSizePrefix").value = state.sizeFilter.minUnit;
+            document.getElementById("searchMaxSizeFilter").value = state.sizeFilter.max;
+            document.getElementById("searchMaxSizePrefix").value = state.sizeFilter.maxUnit;
 
-            const currentSearchPattern = $("searchPattern").value.trim();
+            const currentSearchPattern = document.getElementById("searchPattern").value.trim();
             if (state.running && (state.searchPattern === currentSearchPattern)) {
                 // allow search to be stopped
                 document.getElementById("startSearchButton").lastChild.textContent = "QBT_TR(Stop)QBT_TR[CONTEXT=SearchEngineWidget]";
@@ -360,7 +360,7 @@ window.qBittorrent.Search ??= (() => {
 
             searchResultsTable.setSortedColumn(state.sort.column, state.sort.reverse);
 
-            $("searchInTorrentName").value = state.searchIn;
+            document.getElementById("searchInTorrentName").value = state.searchIn;
         }
 
         // must restore all filters before calling updateTable
@@ -370,8 +370,8 @@ window.qBittorrent.Search ??= (() => {
         if (rowsToSelect.length > 0)
             searchResultsTable.reselectRows(rowsToSelect);
 
-        $("numSearchResultsVisible").textContent = searchResultsTable.getFilteredAndSortedRows().length;
-        $("numSearchResultsTotal").textContent = searchResultsTable.getRowSize();
+        document.getElementById("numSearchResultsVisible").textContent = searchResultsTable.getFilteredAndSortedRows().length;
+        document.getElementById("numSearchResultsTotal").textContent = searchResultsTable.getRowSize();
     };
 
     const getStatusIconElement = (text, image) => {
@@ -386,7 +386,7 @@ window.qBittorrent.Search ??= (() => {
     };
 
     const updateStatusIconElement = (searchId, text, image) => {
-        const searchTab = $(`${searchTabIdPrefix}${searchId}`);
+        const searchTab = document.getElementById(`${searchTabIdPrefix}${searchId}`);
         if (searchTab) {
             const statusIcon = searchTab.querySelector(".statusIcon");
             statusIcon.alt = text;
@@ -439,7 +439,7 @@ window.qBittorrent.Search ??= (() => {
     };
 
     const getSelectedSearchId = () => {
-        const selectedTab = $("searchTabs").querySelector("li.selected");
+        const selectedTab = document.getElementById("searchTabs").querySelector("li.selected");
         return selectedTab ? getSearchIdFromTab(selectedTab) : null;
     };
 
@@ -448,9 +448,9 @@ window.qBittorrent.Search ??= (() => {
         const state = searchState.get(currentSearchId);
         const isSearchRunning = state && state.running;
         if (!isSearchRunning || searchPatternChanged) {
-            const pattern = $("searchPattern").value.trim();
-            const category = $("categorySelect").value;
-            const plugins = $("pluginsSelect").value;
+            const pattern = document.getElementById("searchPattern").value.trim();
+            const category = document.getElementById("categorySelect").value;
+            const plugins = document.getElementById("pluginsSelect").value;
 
             if (!pattern || !category || !plugins)
                 return;
@@ -506,7 +506,7 @@ window.qBittorrent.Search ??= (() => {
 
     const manageSearchPlugins = () => {
         const id = "searchPlugins";
-        if (!$(id)) {
+        if (!document.getElementById(id)) {
             new MochaUI.Window({
                 id: id,
                 title: "QBT_TR(Search plugins)QBT_TR[CONTEXT=PluginSelectDlg]",
@@ -541,7 +541,7 @@ window.qBittorrent.Search ??= (() => {
     const onSearchPatternChanged = () => {
         const currentSearchId = getSelectedSearchId();
         const state = searchState.get(currentSearchId);
-        const currentSearchPattern = $("searchPattern").value.trim();
+        const currentSearchPattern = document.getElementById("searchPattern").value.trim();
         // start a new search if pattern has changed, otherwise allow the search to be stopped
         if (state && (state.searchPattern === currentSearchPattern)) {
             searchPatternChanged = false;
@@ -554,11 +554,11 @@ window.qBittorrent.Search ??= (() => {
     };
 
     const categorySelected = () => {
-        selectedCategory = $("categorySelect").value;
+        selectedCategory = document.getElementById("categorySelect").value;
     };
 
     const pluginSelected = () => {
-        selectedPlugin = $("pluginsSelect").value;
+        selectedPlugin = document.getElementById("pluginsSelect").value;
 
         if (selectedPlugin !== prevSelectedPlugin) {
             prevSelectedPlugin = selectedPlugin;
@@ -567,18 +567,18 @@ window.qBittorrent.Search ??= (() => {
     };
 
     const reselectCategory = () => {
-        for (let i = 0; i < $("categorySelect").options.length; ++i) {
-            if ($("categorySelect").options[i].get("value") === selectedCategory)
-                $("categorySelect").options[i].selected = true;
+        for (let i = 0; i < document.getElementById("categorySelect").options.length; ++i) {
+            if (document.getElementById("categorySelect").options[i].get("value") === selectedCategory)
+                document.getElementById("categorySelect").options[i].selected = true;
         }
 
         categorySelected();
     };
 
     const reselectPlugin = () => {
-        for (let i = 0; i < $("pluginsSelect").options.length; ++i) {
-            if ($("pluginsSelect").options[i].get("value") === selectedPlugin)
-                $("pluginsSelect").options[i].selected = true;
+        for (let i = 0; i < document.getElementById("pluginsSelect").options.length; ++i) {
+            if (document.getElementById("pluginsSelect").options[i].get("value") === selectedPlugin)
+                document.getElementById("pluginsSelect").options[i].selected = true;
         }
 
         pluginSelected();
@@ -603,7 +603,7 @@ window.qBittorrent.Search ??= (() => {
                 option.value = category.id;
                 option.textContent = category.name;
                 categoryOptions.push(option);
-            };
+            }
 
             // first category is "All Categories"
             if (categoryOptions.length > 1) {
@@ -614,10 +614,10 @@ window.qBittorrent.Search ??= (() => {
                 categoryOptions.splice(1, 0, option);
             }
 
-            $("categorySelect").replaceChildren(...categoryOptions);
+            document.getElementById("categorySelect").replaceChildren(...categoryOptions);
         };
 
-        const selectedPlugin = $("pluginsSelect").value;
+        const selectedPlugin = document.getElementById("pluginsSelect").value;
 
         if ((selectedPlugin === "all") || (selectedPlugin === "enabled")) {
             const uniqueCategories = {};
@@ -675,9 +675,9 @@ window.qBittorrent.Search ??= (() => {
 
                     const searchPluginsEmpty = (searchPlugins.length === 0);
                     if (!searchPluginsEmpty) {
-                        $("searchResultsNoPlugins").classList.add("invisible");
+                        document.getElementById("searchResultsNoPlugins").classList.add("invisible");
                         if (numSearchTabs() === 0)
-                            $("searchResultsNoSearches").classList.remove("invisible");
+                            document.getElementById("searchResultsNoSearches").classList.remove("invisible");
 
                         // sort plugins alphabetically
                         const allPlugins = searchPlugins.sort((left, right) => {
@@ -695,11 +695,11 @@ window.qBittorrent.Search ??= (() => {
                             pluginOptions.splice(2, 0, createOption("──────────", undefined, true));
                     }
 
-                    $("pluginsSelect").replaceChildren(...pluginOptions);
+                    document.getElementById("pluginsSelect").replaceChildren(...pluginOptions);
 
-                    $("searchPattern").disabled = searchPluginsEmpty;
-                    $("categorySelect").disabled = searchPluginsEmpty;
-                    $("pluginsSelect").disabled = searchPluginsEmpty;
+                    document.getElementById("searchPattern").disabled = searchPluginsEmpty;
+                    document.getElementById("categorySelect").disabled = searchPluginsEmpty;
+                    document.getElementById("pluginsSelect").disabled = searchPluginsEmpty;
                     document.getElementById("startSearchButton").disabled = searchPluginsEmpty;
 
                     if (window.qBittorrent.SearchPlugins !== undefined)
@@ -721,25 +721,25 @@ window.qBittorrent.Search ??= (() => {
 
     const resetFilters = () => {
         searchText.filterPattern = "";
-        $("searchInNameFilter").value = "";
+        document.getElementById("searchInNameFilter").value = "";
 
         searchSeedsFilter.min = 0;
         searchSeedsFilter.max = 0;
-        $("searchMinSeedsFilter").value = searchSeedsFilter.min;
-        $("searchMaxSeedsFilter").value = searchSeedsFilter.max;
+        document.getElementById("searchMinSeedsFilter").value = searchSeedsFilter.min;
+        document.getElementById("searchMaxSeedsFilter").value = searchSeedsFilter.max;
 
         searchSizeFilter.min = 0.00;
         searchSizeFilter.minUnit = 2; // B = 0, KiB = 1, MiB = 2, GiB = 3, TiB = 4, PiB = 5, EiB = 6
         searchSizeFilter.max = 0.00;
         searchSizeFilter.maxUnit = 3;
-        $("searchMinSizeFilter").value = searchSizeFilter.min;
-        $("searchMinSizePrefix").value = searchSizeFilter.minUnit;
-        $("searchMaxSizeFilter").value = searchSizeFilter.max;
-        $("searchMaxSizePrefix").value = searchSizeFilter.maxUnit;
+        document.getElementById("searchMinSizeFilter").value = searchSizeFilter.min;
+        document.getElementById("searchMinSizePrefix").value = searchSizeFilter.minUnit;
+        document.getElementById("searchMaxSizeFilter").value = searchSizeFilter.max;
+        document.getElementById("searchMaxSizePrefix").value = searchSizeFilter.maxUnit;
     };
 
     const getSearchInTorrentName = () => {
-        return ($("searchInTorrentName").value === "names") ? "names" : "everywhere";
+        return (document.getElementById("searchInTorrentName").value === "names") ? "names" : "everywhere";
     };
 
     const searchInTorrentName = () => {
@@ -748,29 +748,29 @@ window.qBittorrent.Search ??= (() => {
     };
 
     const searchSeedsFilterChanged = () => {
-        searchSeedsFilter.min = $("searchMinSeedsFilter").value;
-        searchSeedsFilter.max = $("searchMaxSeedsFilter").value;
+        searchSeedsFilter.min = document.getElementById("searchMinSeedsFilter").value;
+        searchSeedsFilter.max = document.getElementById("searchMaxSeedsFilter").value;
 
         searchFilterChanged();
     };
 
     const searchSizeFilterChanged = () => {
-        searchSizeFilter.min = $("searchMinSizeFilter").value;
-        searchSizeFilter.minUnit = $("searchMinSizePrefix").value;
-        searchSizeFilter.max = $("searchMaxSizeFilter").value;
-        searchSizeFilter.maxUnit = $("searchMaxSizePrefix").value;
+        searchSizeFilter.min = document.getElementById("searchMinSizeFilter").value;
+        searchSizeFilter.minUnit = document.getElementById("searchMinSizePrefix").value;
+        searchSizeFilter.max = document.getElementById("searchMaxSizeFilter").value;
+        searchSizeFilter.maxUnit = document.getElementById("searchMaxSizePrefix").value;
 
         searchFilterChanged();
     };
 
     const searchSizeFilterPrefixChanged = () => {
-        if ((Number($("searchMinSizeFilter").value) !== 0) || (Number($("searchMaxSizeFilter").value) !== 0))
+        if ((Number(document.getElementById("searchMinSizeFilter").value) !== 0) || (Number(document.getElementById("searchMaxSizeFilter").value) !== 0))
             searchSizeFilterChanged();
     };
 
     const searchFilterChanged = () => {
         searchResultsTable.updateTable();
-        $("numSearchResultsVisible").textContent = searchResultsTable.getFilteredAndSortedRows().length;
+        document.getElementById("numSearchResultsVisible").textContent = searchResultsTable.getFilteredAndSortedRows().length;
     };
 
     const loadSearchResultsData = function(searchId) {
@@ -799,7 +799,7 @@ window.qBittorrent.Search ??= (() => {
                     return;
                 }
 
-                $("error_div").textContent = "";
+                document.getElementById("error_div").textContent = "";
 
                 const state = searchState.get(searchId);
                 // check if user stopped the search prior to receiving the response
@@ -842,8 +842,8 @@ window.qBittorrent.Search ??= (() => {
                         for (const row of newRows)
                             searchResultsTable.updateRowData(row);
 
-                        $("numSearchResultsVisible").textContent = searchResultsTable.getFilteredAndSortedRows().length;
-                        $("numSearchResultsTotal").textContent = searchResultsTable.getRowSize();
+                        document.getElementById("numSearchResultsVisible").textContent = searchResultsTable.getFilteredAndSortedRows().length;
+                        document.getElementById("numSearchResultsTotal").textContent = searchResultsTable.getRowSize();
 
                         searchResultsTable.updateTable();
                     }
diff --git a/src/webui/www/private/scripts/speedslider.js b/src/webui/www/private/scripts/speedslider.js
index 24544a8d1..f2c96f66a 100644
--- a/src/webui/www/private/scripts/speedslider.js
+++ b/src/webui/www/private/scripts/speedslider.js
@@ -30,7 +30,7 @@
 
 MochaUI.extend({
     addUpLimitSlider: (hashes) => {
-        if ($("uplimitSliderarea")) {
+        if (document.getElementById("uplimitSliderarea")) {
             // Get global upload limit
             fetch("api/v2/transfer/uploadLimit", {
                     method: "GET",
@@ -61,29 +61,29 @@ MochaUI.extend({
                         if (up_limit < 0)
                             up_limit = 0;
                         maximum = 10000;
-                        new Slider($("uplimitSliderarea"), $("uplimitSliderknob"), {
+                        new Slider(document.getElementById("uplimitSliderarea"), document.getElementById("uplimitSliderknob"), {
                             steps: maximum,
                             offset: 0,
                             initialStep: Math.round(up_limit),
                             onChange: (pos) => {
                                 if (pos > 0) {
-                                    $("uplimitUpdatevalue").value = pos;
-                                    $("upLimitUnit").style.visibility = "visible";
+                                    document.getElementById("uplimitUpdatevalue").value = pos;
+                                    document.getElementById("upLimitUnit").style.visibility = "visible";
                                 }
                                 else {
-                                    $("uplimitUpdatevalue").value = "∞";
-                                    $("upLimitUnit").style.visibility = "hidden";
+                                    document.getElementById("uplimitUpdatevalue").value = "∞";
+                                    document.getElementById("upLimitUnit").style.visibility = "hidden";
                                 }
                             }
                         });
                         // Set default value
                         if (up_limit === 0) {
-                            $("uplimitUpdatevalue").value = "∞";
-                            $("upLimitUnit").style.visibility = "hidden";
+                            document.getElementById("uplimitUpdatevalue").value = "∞";
+                            document.getElementById("upLimitUnit").style.visibility = "hidden";
                         }
                         else {
-                            $("uplimitUpdatevalue").value = Math.round(up_limit);
-                            $("upLimitUnit").style.visibility = "visible";
+                            document.getElementById("uplimitUpdatevalue").value = Math.round(up_limit);
+                            document.getElementById("upLimitUnit").style.visibility = "visible";
                         }
                     }
                     else {
@@ -108,29 +108,29 @@ MochaUI.extend({
                                 }
                                 if (up_limit < 0)
                                     up_limit = 0;
-                                new Slider($("uplimitSliderarea"), $("uplimitSliderknob"), {
+                                new Slider(document.getElementById("uplimitSliderarea"), document.getElementById("uplimitSliderknob"), {
                                     steps: maximum,
                                     offset: 0,
                                     initialStep: Math.round(up_limit / 1024),
                                     onChange: (pos) => {
                                         if (pos > 0) {
-                                            $("uplimitUpdatevalue").value = pos;
-                                            $("upLimitUnit").style.visibility = "visible";
+                                            document.getElementById("uplimitUpdatevalue").value = pos;
+                                            document.getElementById("upLimitUnit").style.visibility = "visible";
                                         }
                                         else {
-                                            $("uplimitUpdatevalue").value = "∞";
-                                            $("upLimitUnit").style.visibility = "hidden";
+                                            document.getElementById("uplimitUpdatevalue").value = "∞";
+                                            document.getElementById("upLimitUnit").style.visibility = "hidden";
                                         }
                                     }
                                 });
                                 // Set default value
                                 if (up_limit === 0) {
-                                    $("uplimitUpdatevalue").value = "∞";
-                                    $("upLimitUnit").style.visibility = "hidden";
+                                    document.getElementById("uplimitUpdatevalue").value = "∞";
+                                    document.getElementById("upLimitUnit").style.visibility = "hidden";
                                 }
                                 else {
-                                    $("uplimitUpdatevalue").value = Math.round(up_limit / 1024);
-                                    $("upLimitUnit").style.visibility = "visible";
+                                    document.getElementById("uplimitUpdatevalue").value = Math.round(up_limit / 1024);
+                                    document.getElementById("upLimitUnit").style.visibility = "visible";
                                 }
                             });
                     }
@@ -139,7 +139,7 @@ MochaUI.extend({
     },
 
     addDlLimitSlider: (hashes) => {
-        if ($("dllimitSliderarea")) {
+        if (document.getElementById("dllimitSliderarea")) {
             // Get global upload limit
             fetch("api/v2/transfer/downloadLimit", {
                     method: "GET",
@@ -170,29 +170,29 @@ MochaUI.extend({
                         if (dl_limit < 0)
                             dl_limit = 0;
                         maximum = 10000;
-                        new Slider($("dllimitSliderarea"), $("dllimitSliderknob"), {
+                        new Slider(document.getElementById("dllimitSliderarea"), document.getElementById("dllimitSliderknob"), {
                             steps: maximum,
                             offset: 0,
                             initialStep: Math.round(dl_limit),
                             onChange: (pos) => {
                                 if (pos > 0) {
-                                    $("dllimitUpdatevalue").value = pos;
-                                    $("dlLimitUnit").style.visibility = "visible";
+                                    document.getElementById("dllimitUpdatevalue").value = pos;
+                                    document.getElementById("dlLimitUnit").style.visibility = "visible";
                                 }
                                 else {
-                                    $("dllimitUpdatevalue").value = "∞";
-                                    $("dlLimitUnit").style.visibility = "hidden";
+                                    document.getElementById("dllimitUpdatevalue").value = "∞";
+                                    document.getElementById("dlLimitUnit").style.visibility = "hidden";
                                 }
                             }
                         });
                         // Set default value
                         if (dl_limit === 0) {
-                            $("dllimitUpdatevalue").value = "∞";
-                            $("dlLimitUnit").style.visibility = "hidden";
+                            document.getElementById("dllimitUpdatevalue").value = "∞";
+                            document.getElementById("dlLimitUnit").style.visibility = "hidden";
                         }
                         else {
-                            $("dllimitUpdatevalue").value = Math.round(dl_limit);
-                            $("dlLimitUnit").style.visibility = "visible";
+                            document.getElementById("dllimitUpdatevalue").value = Math.round(dl_limit);
+                            document.getElementById("dlLimitUnit").style.visibility = "visible";
                         }
                     }
                     else {
@@ -217,29 +217,29 @@ MochaUI.extend({
                                 }
                                 if (dl_limit < 0)
                                     dl_limit = 0;
-                                new Slider($("dllimitSliderarea"), $("dllimitSliderknob"), {
+                                new Slider(document.getElementById("dllimitSliderarea"), document.getElementById("dllimitSliderknob"), {
                                     steps: maximum,
                                     offset: 0,
                                     initialStep: Math.round(dl_limit / 1024),
                                     onChange: (pos) => {
                                         if (pos > 0) {
-                                            $("dllimitUpdatevalue").value = pos;
-                                            $("dlLimitUnit").style.visibility = "visible";
+                                            document.getElementById("dllimitUpdatevalue").value = pos;
+                                            document.getElementById("dlLimitUnit").style.visibility = "visible";
                                         }
                                         else {
-                                            $("dllimitUpdatevalue").value = "∞";
-                                            $("dlLimitUnit").style.visibility = "hidden";
+                                            document.getElementById("dllimitUpdatevalue").value = "∞";
+                                            document.getElementById("dlLimitUnit").style.visibility = "hidden";
                                         }
                                     }
                                 });
                                 // Set default value
                                 if (dl_limit === 0) {
-                                    $("dllimitUpdatevalue").value = "∞";
-                                    $("dlLimitUnit").style.visibility = "hidden";
+                                    document.getElementById("dllimitUpdatevalue").value = "∞";
+                                    document.getElementById("dlLimitUnit").style.visibility = "hidden";
                                 }
                                 else {
-                                    $("dllimitUpdatevalue").value = Math.round(dl_limit / 1024);
-                                    $("dlLimitUnit").style.visibility = "visible";
+                                    document.getElementById("dllimitUpdatevalue").value = Math.round(dl_limit / 1024);
+                                    document.getElementById("dlLimitUnit").style.visibility = "visible";
                                 }
                             });
                     }
diff --git a/src/webui/www/private/setlocation.html b/src/webui/www/private/setlocation.html
index 1455340df..e9095fc83 100644
--- a/src/webui/www/private/setlocation.html
+++ b/src/webui/www/private/setlocation.html
@@ -18,7 +18,7 @@
                 switch (event.key) {
                     case "Enter":
                         event.preventDefault();
-                        $("setLocationButton").click();
+                        document.getElementById("setLocationButton").click();
                         break;
                     case "Escape":
                         event.preventDefault();
@@ -32,17 +32,17 @@
 
             // set text field to current value
             if (path !== null)
-                $("setLocation").value = decodeURIComponent(path);
+                document.getElementById("setLocation").value = decodeURIComponent(path);
 
-            $("setLocation").focus();
-            $("setLocationButton").addEventListener("click", (e) => {
+            document.getElementById("setLocation").focus();
+            document.getElementById("setLocationButton").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
                 // check field
-                const location = $("setLocation").value.trim();
+                const location = document.getElementById("setLocation").value.trim();
                 if ((location === null) || (location === "")) {
-                    $("error_div").textContent = "QBT_TR(Save path is empty)QBT_TR[CONTEXT=TorrentsController]";
+                    document.getElementById("error_div").textContent = "QBT_TR(Save path is empty)QBT_TR[CONTEXT=TorrentsController]";
                     return;
                 }
 
@@ -55,7 +55,7 @@
                     })
                     .then(async (response) => {
                         if (!response.ok) {
-                            $("error_div").textContent = await response.text();
+                            document.getElementById("error_div").textContent = await response.text();
                             return;
                         }
 
diff --git a/src/webui/www/private/shareratio.html b/src/webui/www/private/shareratio.html
index b106e72b8..8586f50cc 100644
--- a/src/webui/www/private/shareratio.html
+++ b/src/webui/www/private/shareratio.html
@@ -20,7 +20,7 @@
                 switch (event.key) {
                     case "Enter":
                         event.preventDefault();
-                        $("save").click();
+                        document.getElementById("save").click();
                         break;
                     case "Escape":
                         event.preventDefault();
@@ -56,23 +56,23 @@
             else {
                 setSelectedRadioValue("shareLimit", "custom");
                 if (values.ratioLimit >= 0) {
-                    $("setRatio").checked = true;
-                    $("ratio").value = values.ratioLimit.toFixed(2);
+                    document.getElementById("setRatio").checked = true;
+                    document.getElementById("ratio").value = values.ratioLimit.toFixed(2);
                 }
                 if (values.seedingTimeLimit >= 0) {
-                    $("setTotalMinutes").checked = true;
-                    $("totalMinutes").value = values.seedingTimeLimit;
+                    document.getElementById("setTotalMinutes").checked = true;
+                    document.getElementById("totalMinutes").value = values.seedingTimeLimit;
                 }
                 if (values.inactiveSeedingTimeLimit >= 0) {
-                    $("setInactiveMinutes").checked = true;
-                    $("inactiveMinutes").value = values.inactiveSeedingTimeLimit;
+                    document.getElementById("setInactiveMinutes").checked = true;
+                    document.getElementById("inactiveMinutes").value = values.inactiveSeedingTimeLimit;
                 }
             }
 
             shareLimitChanged();
 
-            $("default").focus();
-            $("save").addEventListener("click", (e) => {
+            document.getElementById("default").focus();
+            document.getElementById("save").addEventListener("click", (e) => {
                 e.preventDefault();
                 e.stopPropagation();
 
@@ -91,9 +91,9 @@
                     ratioLimitValue = seedingTimeLimitValue = inactiveSeedingTimeLimitValue = NoLimit;
                 }
                 else if (shareLimit === "custom") {
-                    ratioLimitValue = $("setRatio").checked ? $("ratio").value : -1;
-                    seedingTimeLimitValue = $("setTotalMinutes").checked ? $("totalMinutes").value : -1;
-                    inactiveSeedingTimeLimitValue = $("setInactiveMinutes").checked ? $("inactiveMinutes").value : -1;
+                    ratioLimitValue = document.getElementById("setRatio").checked ? document.getElementById("ratio").value : -1;
+                    seedingTimeLimitValue = document.getElementById("setTotalMinutes").checked ? document.getElementById("totalMinutes").value : -1;
+                    inactiveSeedingTimeLimitValue = document.getElementById("setInactiveMinutes").checked ? document.getElementById("inactiveMinutes").value : -1;
                 }
                 else {
                     return;
@@ -108,7 +108,7 @@
                             inactiveSeedingTimeLimit: inactiveSeedingTimeLimitValue
                         })
                     })
-                    .then(async (response) => {
+                    .then((response) => {
                         if (!response.ok)
                             return;
 
@@ -139,26 +139,26 @@
 
         const shareLimitChanged = () => {
             const customShareLimit = getSelectedRadioValue("shareLimit") === "custom";
-            $("setRatio").disabled = !customShareLimit;
-            $("setTotalMinutes").disabled = !customShareLimit;
-            $("setInactiveMinutes").disabled = !customShareLimit;
+            document.getElementById("setRatio").disabled = !customShareLimit;
+            document.getElementById("setTotalMinutes").disabled = !customShareLimit;
+            document.getElementById("setInactiveMinutes").disabled = !customShareLimit;
 
             enableInputBoxes();
 
-            $("save").disabled = !isFormValid();
+            document.getElementById("save").disabled = !isFormValid();
         };
 
         const enableInputBoxes = () => {
-            $("ratio").disabled = $("setRatio").disabled || !$("setRatio").checked;
-            $("totalMinutes").disabled = $("setTotalMinutes").disabled || !$("setTotalMinutes").checked;
-            $("inactiveMinutes").disabled = $("setInactiveMinutes").disabled || !$("setInactiveMinutes").checked;
+            document.getElementById("ratio").disabled = document.getElementById("setRatio").disabled || !document.getElementById("setRatio").checked;
+            document.getElementById("totalMinutes").disabled = document.getElementById("setTotalMinutes").disabled || !document.getElementById("setTotalMinutes").checked;
+            document.getElementById("inactiveMinutes").disabled = document.getElementById("setInactiveMinutes").disabled || !document.getElementById("setInactiveMinutes").checked;
 
-            $("save").disabled = !isFormValid();
+            document.getElementById("save").disabled = !isFormValid();
         };
 
         const isFormValid = () => {
-            return !((getSelectedRadioValue("shareLimit") === "custom") && !$("setRatio").checked
-                && !$("setTotalMinutes").checked && !$("setInactiveMinutes").checked);
+            return !((getSelectedRadioValue("shareLimit") === "custom") && !document.getElementById("setRatio").checked
+                && !document.getElementById("setTotalMinutes").checked && !document.getElementById("setInactiveMinutes").checked);
         };
     </script>
 </head>
@@ -172,17 +172,17 @@
         <div style="margin-left: 40px; margin-bottom: 5px;">
             <input type="checkbox" id="setRatio" class="shareLimitInput" onclick="enableInputBoxes()">
             <label id="ratioLabel" for="setRatio">QBT_TR(ratio)QBT_TR[CONTEXT=UpDownRatioDialog]</label>
-            <input type="number" id="ratio" value="0.00" step=".01" min="0" max="9999" class="shareLimitInput" aria-labelledby="ratioLabel">
+            <input type="number" id="ratio" value="0.00" step=".01" min="0" class="shareLimitInput" aria-labelledby="ratioLabel">
         </div>
         <div style="margin-left: 40px; margin-bottom: 5px;">
             <input type="checkbox" id="setTotalMinutes" class="shareLimitInput" onclick="enableInputBoxes()">
             <label id="totalMinutesLabel" for="setTotalMinutes">QBT_TR(total minutes)QBT_TR[CONTEXT=UpDownRatioDialog]</label>
-            <input type="number" id="totalMinutes" value="0" step="1" min="0" max="525600" class="shareLimitInput" aria-labelledby="totalMinutesLabel">
+            <input type="number" id="totalMinutes" value="0" step="1" min="0" class="shareLimitInput" aria-labelledby="totalMinutesLabel">
         </div>
         <div style="margin-left: 40px; margin-bottom: 5px;">
             <input type="checkbox" id="setInactiveMinutes" class="shareLimitInput" onclick="enableInputBoxes()">
             <label id="inactiveMinutesLabel" for="setInactiveMinutes">QBT_TR(inactive minutes)QBT_TR[CONTEXT=UpDownRatioDialog]</label>
-            <input type="number" id="inactiveMinutes" value="0" step="1" min="0" max="525600" class="shareLimitInput" aria-labelledby="inactiveMinutesLabel">
+            <input type="number" id="inactiveMinutes" value="0" step="1" min="0" class="shareLimitInput" aria-labelledby="inactiveMinutesLabel">
         </div>
         <div style="text-align: center; padding-top: 10px;">
             <input type="button" value="QBT_TR(Save)QBT_TR[CONTEXT=HttpServer]" id="save">
diff --git a/src/webui/www/private/upload.html b/src/webui/www/private/upload.html
index d7a065a26..74c4c65e0 100644
--- a/src/webui/www/private/upload.html
+++ b/src/webui/www/private/upload.html
@@ -160,23 +160,23 @@
 
         let submitted = false;
 
-        $("uploadForm").addEventListener("submit", () => {
-            $("startTorrentHidden").value = $("startTorrent").checked ? "false" : "true";
+        document.getElementById("uploadForm").addEventListener("submit", () => {
+            document.getElementById("startTorrentHidden").value = document.getElementById("startTorrent").checked ? "false" : "true";
 
-            $("dlLimitHidden").value = Number($("dlLimitText").value) * 1024;
-            $("upLimitHidden").value = Number($("upLimitText").value) * 1024;
+            document.getElementById("dlLimitHidden").value = Number(document.getElementById("dlLimitText").value) * 1024;
+            document.getElementById("upLimitHidden").value = Number(document.getElementById("upLimitText").value) * 1024;
 
-            $("upload_spinner").style.display = "block";
+            document.getElementById("upload_spinner").style.display = "block";
             submitted = true;
         });
 
-        $("upload_frame").addEventListener("load", () => {
+        document.getElementById("upload_frame").addEventListener("load", () => {
             if (submitted)
                 window.parent.qBittorrent.Client.closeFrameWindow(window);
         });
 
         if ((Browser.platform === "ios") || ((Browser.platform === "mac") && (navigator.maxTouchPoints > 1)))
-            $("fileselect").accept = ".torrent";
+            document.getElementById("fileselect").accept = ".torrent";
 
         window.qBittorrent.pathAutofill.attachPathAutofill();
     </script>
diff --git a/src/webui/www/private/uploadlimit.html b/src/webui/www/private/uploadlimit.html
index ed672cd47..fb60da531 100644
--- a/src/webui/www/private/uploadlimit.html
+++ b/src/webui/www/private/uploadlimit.html
@@ -37,7 +37,7 @@
             switch (event.key) {
                 case "Enter":
                     event.preventDefault();
-                    $("applyButton").click();
+                    document.getElementById("applyButton").click();
                     break;
                 case "Escape":
                     event.preventDefault();
@@ -48,7 +48,7 @@
 
         const hashes = new URLSearchParams(window.location.search).get("hashes").split("|");
         const setUpLimit = () => {
-            const limit = Number($("uplimitUpdatevalue").value) * 1024;
+            const limit = Number(document.getElementById("uplimitUpdatevalue").value) * 1024;
             if (hashes[0] === "global") {
                 fetch("api/v2/transfer/setUploadLimit", {
                         method: "POST",
@@ -81,7 +81,7 @@
             }
         };
 
-        $("uplimitUpdatevalue").focus();
+        document.getElementById("uplimitUpdatevalue").focus();
 
         MochaUI.addUpLimitSlider(hashes);
     </script>
diff --git a/src/webui/www/private/views/about.html b/src/webui/www/private/views/about.html
index cf265f585..c5a67ed83 100644
--- a/src/webui/www/private/views/about.html
+++ b/src/webui/www/private/views/about.html
@@ -855,12 +855,12 @@
         const qbtVersion = window.parent.qBittorrent.Cache.qbtVersion.get();
         const buildInfo = window.parent.qBittorrent.Cache.buildInfo.get();
 
-        $("qbittorrentVersion").textContent = `qBittorrent ${qbtVersion} QBT_TR(WebUI)QBT_TR[CONTEXT=OptionsDialog]`;
-        $("qtVersion").textContent = buildInfo.qt;
-        $("libtorrentVersion").textContent = buildInfo.libtorrent;
-        $("boostVersion").textContent = buildInfo.boost;
-        $("opensslVersion").textContent = buildInfo.openssl;
-        $("zlibVersion").textContent = buildInfo.zlib;
-        $("qbittorrentVersion").textContent += ` (${buildInfo.bitness}-bit)`;
+        document.getElementById("qbittorrentVersion").textContent = `qBittorrent ${qbtVersion} QBT_TR(WebUI)QBT_TR[CONTEXT=OptionsDialog]`;
+        document.getElementById("qtVersion").textContent = buildInfo.qt;
+        document.getElementById("libtorrentVersion").textContent = buildInfo.libtorrent;
+        document.getElementById("boostVersion").textContent = buildInfo.boost;
+        document.getElementById("opensslVersion").textContent = buildInfo.openssl;
+        document.getElementById("zlibVersion").textContent = buildInfo.zlib;
+        document.getElementById("qbittorrentVersion").textContent += ` (${buildInfo.bitness}-bit)`;
     })();
 </script>
diff --git a/src/webui/www/private/views/aboutToolbar.html b/src/webui/www/private/views/aboutToolbar.html
index 3557a11e5..5e358890b 100644
--- a/src/webui/www/private/views/aboutToolbar.html
+++ b/src/webui/www/private/views/aboutToolbar.html
@@ -16,34 +16,34 @@
     (() => {
         MochaUI.initializeTabs("aboutTabs");
 
-        $("aboutAboutLink").addEventListener("click", () => {
+        document.getElementById("aboutAboutLink").addEventListener("click", () => {
             Array.prototype.forEach.call(document.querySelectorAll(".aboutTabContent"), (tab => tab.classList.add("invisible")));
-            $("aboutAboutContent").classList.remove("invisible");
+            document.getElementById("aboutAboutContent").classList.remove("invisible");
         });
 
-        $("aboutAuthorLink").addEventListener("click", () => {
+        document.getElementById("aboutAuthorLink").addEventListener("click", () => {
             Array.prototype.forEach.call(document.querySelectorAll(".aboutTabContent"), (tab => tab.classList.add("invisible")));
-            $("aboutAuthorContent").classList.remove("invisible");
+            document.getElementById("aboutAuthorContent").classList.remove("invisible");
         });
 
-        $("aboutSpecialThanksLink").addEventListener("click", () => {
+        document.getElementById("aboutSpecialThanksLink").addEventListener("click", () => {
             Array.prototype.forEach.call(document.querySelectorAll(".aboutTabContent"), (tab => tab.classList.add("invisible")));
-            $("aboutSpecialThanksContent").classList.remove("invisible");
+            document.getElementById("aboutSpecialThanksContent").classList.remove("invisible");
         });
 
-        $("aboutTranslatorsLink").addEventListener("click", () => {
+        document.getElementById("aboutTranslatorsLink").addEventListener("click", () => {
             Array.prototype.forEach.call(document.querySelectorAll(".aboutTabContent"), (tab => tab.classList.add("invisible")));
-            $("aboutTranslatorsContent").classList.remove("invisible");
+            document.getElementById("aboutTranslatorsContent").classList.remove("invisible");
         });
 
-        $("aboutLicenseLink").addEventListener("click", () => {
+        document.getElementById("aboutLicenseLink").addEventListener("click", () => {
             Array.prototype.forEach.call(document.querySelectorAll(".aboutTabContent"), (tab => tab.classList.add("invisible")));
-            $("aboutLicenseContent").classList.remove("invisible");
+            document.getElementById("aboutLicenseContent").classList.remove("invisible");
         });
 
-        $("aboutSoftwareUsedLink").addEventListener("click", () => {
+        document.getElementById("aboutSoftwareUsedLink").addEventListener("click", () => {
             Array.prototype.forEach.call(document.querySelectorAll(".aboutTabContent"), (tab => tab.classList.add("invisible")));
-            $("aboutSoftwareUsedContent").classList.remove("invisible");
+            document.getElementById("aboutSoftwareUsedContent").classList.remove("invisible");
         });
     })();
 </script>
diff --git a/src/webui/www/private/views/installsearchplugin.html b/src/webui/www/private/views/installsearchplugin.html
index de77a46e1..74e1b7aaa 100644
--- a/src/webui/www/private/views/installsearchplugin.html
+++ b/src/webui/www/private/views/installsearchplugin.html
@@ -61,11 +61,11 @@
                 }
             });
 
-            $("newPluginPath").select();
+            document.getElementById("newPluginPath").select();
         };
 
         const newPluginOk = () => {
-            const path = $("newPluginPath").value.trim();
+            const path = document.getElementById("newPluginPath").value.trim();
             if (path) {
                 fetch("api/v2/search/installPlugin", {
                         method: "POST",
diff --git a/src/webui/www/private/views/log.html b/src/webui/www/private/views/log.html
index bbafca8cc..b7944b784 100644
--- a/src/webui/www/private/views/log.html
+++ b/src/webui/www/private/views/log.html
@@ -188,7 +188,7 @@
         let selectedLogLevels = JSON.parse(LocalPreferences.get("qbt_selected_log_levels")) || ["1", "2", "4", "8"];
 
         const init = () => {
-            for (const option of $("logLevelSelect").options)
+            for (const option of document.getElementById("logLevelSelect").options)
                 option.toggleAttribute("selected", selectedLogLevels.includes(option.value));
 
             selectBox = new vanillaSelectBox("#logLevelSelect", {
@@ -282,7 +282,7 @@
         };
 
         const filterTextChanged = () => {
-            const value = $("filterTextInput").value.trim();
+            const value = document.getElementById("filterTextInput").value.trim();
             if (inputtedFilterText !== value) {
                 inputtedFilterText = value;
                 logFilterChanged();
@@ -306,14 +306,14 @@
             currentSelectedTab = tab;
             if (currentSelectedTab === "main") {
                 selectBox.enable();
-                $("logMessageView").classList.remove("invisible");
-                $("logPeerView").classList.add("invisible");
+                document.getElementById("logMessageView").classList.remove("invisible");
+                document.getElementById("logPeerView").classList.add("invisible");
                 resetTableTimer("peer");
             }
             else {
                 selectBox.disable();
-                $("logMessageView").classList.add("invisible");
-                $("logPeerView").classList.remove("invisible");
+                document.getElementById("logMessageView").classList.add("invisible");
+                document.getElementById("logPeerView").classList.remove("invisible");
                 resetTableTimer("main");
             }
 
@@ -331,8 +331,8 @@
             if (curTab === undefined)
                 curTab = currentSelectedTab;
 
-            $("numFilteredLogs").textContent = tableInfo[curTab].instance.filteredLength;
-            $("numTotalLogs").textContent = tableInfo[curTab].instance.getRowSize();
+            document.getElementById("numFilteredLogs").textContent = tableInfo[curTab].instance.filteredLength;
+            document.getElementById("numTotalLogs").textContent = tableInfo[curTab].instance.getRowSize();
         };
 
         const syncLogData = (curTab) => {
@@ -368,7 +368,7 @@
                 })
                 .then(async (response) => {
                     if (!response.ok) {
-                        const errorDiv = $("error_div");
+                        const errorDiv = document.getElementById("error_div");
                         if (errorDiv)
                             errorDiv.textContent = "QBT_TR(qBittorrent client is not reachable)QBT_TR[CONTEXT=HttpServer]";
                         tableInfo[curTab].progress = false;
@@ -376,9 +376,9 @@
                         return;
                     }
 
-                    $("error_div").textContent = "";
+                    document.getElementById("error_div").textContent = "";
 
-                    if ($("logTabColumn").classList.contains("invisible"))
+                    if (document.getElementById("logTabColumn").classList.contains("invisible"))
                         return;
 
                     const responseJSON = await response.json();
diff --git a/src/webui/www/private/views/preferences.html b/src/webui/www/private/views/preferences.html
index 07109e68e..b6ec95f76 100644
--- a/src/webui/www/private/views/preferences.html
+++ b/src/webui/www/private/views/preferences.html
@@ -141,7 +141,7 @@
             </select>
         </div>
         <fieldset class="settings">
-            <legend>QBT_TR(When duplicate torrent is being added)QBT_TR[CONTEXT=OptionsDialog]</legend>
+            <legend>QBT_TR(When adding a duplicate torrent)QBT_TR[CONTEXT=OptionsDialog]</legend>
             <div class="formRow">
                 <input type="checkbox" id="mergeTrackersInput">
                 <label for="mergeTrackersInput">QBT_TR(Merge trackers to existing torrent)QBT_TR[CONTEXT=OptionsDialog]</label>
@@ -1801,32 +1801,32 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
         };
 
         const updateFileLogEnabled = () => {
-            const isFileLogEnabled = $("filelog_checkbox").checked;
-            $("filelog_save_path_input").disabled = !isFileLogEnabled;
-            $("filelog_backup_checkbox").disabled = !isFileLogEnabled;
-            $("filelog_delete_old_checkbox").disabled = !isFileLogEnabled;
+            const isFileLogEnabled = document.getElementById("filelog_checkbox").checked;
+            document.getElementById("filelog_save_path_input").disabled = !isFileLogEnabled;
+            document.getElementById("filelog_backup_checkbox").disabled = !isFileLogEnabled;
+            document.getElementById("filelog_delete_old_checkbox").disabled = !isFileLogEnabled;
 
             updateFileLogBackupEnabled();
             updateFileLogDeleteEnabled();
         };
 
         const updateFileLogBackupEnabled = () => {
-            const pros = $("filelog_backup_checkbox").getProperties("disabled", "checked");
-            $("filelog_max_size_input").disabled = pros.disabled || !pros.checked;
+            const pros = document.getElementById("filelog_backup_checkbox").getProperties("disabled", "checked");
+            document.getElementById("filelog_max_size_input").disabled = pros.disabled || !pros.checked;
         };
 
         const updateFileLogDeleteEnabled = () => {
-            const pros = $("filelog_delete_old_checkbox").getProperties("disabled", "checked");
-            $("filelog_age_input").disabled = pros.disabled || !pros.checked;
-            $("filelog_age_type_select").disabled = pros.disabled || !pros.checked;
+            const pros = document.getElementById("filelog_delete_old_checkbox").getProperties("disabled", "checked");
+            document.getElementById("filelog_age_input").disabled = pros.disabled || !pros.checked;
+            document.getElementById("filelog_age_type_select").disabled = pros.disabled || !pros.checked;
         };
 
         // Downloads tab
         let watchedFoldersTable;
 
         const updateTempDirEnabled = () => {
-            const isTempDirEnabled = $("temppath_checkbox").checked;
-            $("temppath_text").disabled = !isTempDirEnabled;
+            const isTempDirEnabled = document.getElementById("temppath_checkbox").checked;
+            document.getElementById("temppath_text").disabled = !isTempDirEnabled;
         };
 
         const changeWatchFolderSelect = (item) => {
@@ -1843,7 +1843,7 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
         };
 
         const addWatchFolder = (folder = "", sel = "default_folder", other = "") => {
-            const pos = $("watched_folders_tab").getChildren("tbody")[0].getChildren("tr").length;
+            const pos = document.getElementById("watched_folders_tab").getChildren("tbody")[0].getChildren("tr").length;
             const myinput = `<input id='text_watch_${pos}' type='text' value='${folder}'>`;
             const disableInput = (sel !== "other");
             const mycb = `<div class='select-watched-folder-editable'>`
@@ -1857,28 +1857,28 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
                 + `</div>`;
 
             watchedFoldersTable.push([myinput, mycb]);
-            $(`cb_watch_${pos}`).value = sel;
+            document.getElementById(`cb_watch_${pos}`).value = sel;
             if (disableInput) {
-                const elt = $(`cb_watch_${pos}`);
+                const elt = document.getElementById(`cb_watch_${pos}`);
                 other = elt.options[elt.selectedIndex].textContent;
             }
-            $(`cb_watch_txt_${pos}`).value = other;
+            document.getElementById(`cb_watch_txt_${pos}`).value = other;
 
             // hide previous img
             if (pos > 0)
-                $(`addFolderImg_${pos - 1}`).style.display = "none";
+                document.getElementById(`addFolderImg_${pos - 1}`).style.display = "none";
         };
 
         const getWatchedFolders = () => {
             const folders = {};
 
-            const entryCount = $("watched_folders_tab").getChildren("tbody")[0].getChildren("tr").length;
+            const entryCount = document.getElementById("watched_folders_tab").getChildren("tbody")[0].getChildren("tr").length;
             for (let i = 0; i < entryCount; ++i) {
-                const fpath = $(`text_watch_${i}`).value.trim();
+                const fpath = document.getElementById(`text_watch_${i}`).value.trim();
                 if (fpath.length <= 0)
                     continue;
 
-                const sel = $(`cb_watch_${i}`).value.trim();
+                const sel = document.getElementById(`cb_watch_${i}`).value.trim();
 
                 let other;
                 switch (sel) {
@@ -1889,9 +1889,9 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
                         other = 1;
                         break;
                     case "other":
-                        other = $(`cb_watch_txt_${i}`).value.trim();
+                        other = document.getElementById(`cb_watch_txt_${i}`).value.trim();
                         break;
-                };
+                }
 
                 folders[fpath] = other;
             }
@@ -1900,39 +1900,39 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
         };
 
         const updateExcludedFileNamesEnabled = () => {
-            const isAExcludedFileNamesEnabled = $("excludedFileNamesCheckbox").checked;
-            $("excludedFileNamesTextarea").disabled = !isAExcludedFileNamesEnabled;
+            const isAExcludedFileNamesEnabled = document.getElementById("excludedFileNamesCheckbox").checked;
+            document.getElementById("excludedFileNamesTextarea").disabled = !isAExcludedFileNamesEnabled;
         };
 
         const updateExportDirEnabled = () => {
-            const isExportDirEnabled = $("exportdir_checkbox").checked;
-            $("exportdir_text").disabled = !isExportDirEnabled;
+            const isExportDirEnabled = document.getElementById("exportdir_checkbox").checked;
+            document.getElementById("exportdir_text").disabled = !isExportDirEnabled;
         };
 
         const updateExportDirFinEnabled = () => {
-            const isExportDirFinEnabled = $("exportdirfin_checkbox").checked;
-            $("exportdirfin_text").disabled = !isExportDirFinEnabled;
+            const isExportDirFinEnabled = document.getElementById("exportdirfin_checkbox").checked;
+            document.getElementById("exportdirfin_text").disabled = !isExportDirFinEnabled;
         };
 
         const updateMailNotification = () => {
-            const isMailNotificationEnabled = $("mail_notification_checkbox").checked;
-            $("src_email_txt").disabled = !isMailNotificationEnabled;
-            $("dest_email_txt").disabled = !isMailNotificationEnabled;
-            $("smtp_server_txt").disabled = !isMailNotificationEnabled;
-            $("mail_ssl_checkbox").disabled = !isMailNotificationEnabled;
-            $("mail_auth_checkbox").disabled = !isMailNotificationEnabled;
-            $("mail_test_button").disabled = !isMailNotificationEnabled;
+            const isMailNotificationEnabled = document.getElementById("mail_notification_checkbox").checked;
+            document.getElementById("src_email_txt").disabled = !isMailNotificationEnabled;
+            document.getElementById("dest_email_txt").disabled = !isMailNotificationEnabled;
+            document.getElementById("smtp_server_txt").disabled = !isMailNotificationEnabled;
+            document.getElementById("mail_ssl_checkbox").disabled = !isMailNotificationEnabled;
+            document.getElementById("mail_auth_checkbox").disabled = !isMailNotificationEnabled;
+            document.getElementById("mail_test_button").disabled = !isMailNotificationEnabled;
 
             if (!isMailNotificationEnabled) {
-                $("mail_auth_checkbox").checked = !isMailNotificationEnabled;
+                document.getElementById("mail_auth_checkbox").checked = !isMailNotificationEnabled;
                 updateMailAuthSettings();
             }
         };
 
         const updateMailAuthSettings = () => {
-            const isMailAuthEnabled = $("mail_auth_checkbox").checked;
-            $("mail_username_text").disabled = !isMailAuthEnabled;
-            $("mail_password_text").disabled = !isMailAuthEnabled;
+            const isMailAuthEnabled = document.getElementById("mail_auth_checkbox").checked;
+            document.getElementById("mail_username_text").disabled = !isMailAuthEnabled;
+            document.getElementById("mail_password_text").disabled = !isMailAuthEnabled;
         };
 
         const sendTestEmail = () => {
@@ -1950,167 +1950,167 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
         };
 
         const updateAutoRunOnTorrentAdded = () => {
-            const isAutoRunOnTorrentAddedEnabled = $("autorunOnTorrentAddedCheckbox").checked;
-            $("autorunOnTorrentAddedProgram").disabled = !isAutoRunOnTorrentAddedEnabled;
+            const isAutoRunOnTorrentAddedEnabled = document.getElementById("autorunOnTorrentAddedCheckbox").checked;
+            document.getElementById("autorunOnTorrentAddedProgram").disabled = !isAutoRunOnTorrentAddedEnabled;
         };
 
         const updateAutoRun = () => {
-            const isAutoRunEnabled = $("autorun_checkbox").checked;
-            $("autorunProg_txt").disabled = !isAutoRunEnabled;
+            const isAutoRunEnabled = document.getElementById("autorun_checkbox").checked;
+            document.getElementById("autorunProg_txt").disabled = !isAutoRunEnabled;
         };
 
         // Connection tab
 
         const updateMaxConnecEnabled = () => {
-            const isMaxConnecEnabled = $("maxConnectionsCheckbox").checked;
-            $("maxConnectionsValue").disabled = !isMaxConnecEnabled;
+            const isMaxConnecEnabled = document.getElementById("maxConnectionsCheckbox").checked;
+            document.getElementById("maxConnectionsValue").disabled = !isMaxConnecEnabled;
         };
 
         const updateMaxConnecPerTorrentEnabled = () => {
-            const isMaxConnecPerTorrentEnabled = $("maxConnectionsPerTorrentCheckbox").checked;
-            $("maxConnectionsPerTorrentValue").disabled = !isMaxConnecPerTorrentEnabled;
+            const isMaxConnecPerTorrentEnabled = document.getElementById("maxConnectionsPerTorrentCheckbox").checked;
+            document.getElementById("maxConnectionsPerTorrentValue").disabled = !isMaxConnecPerTorrentEnabled;
         };
 
         const updateMaxUploadsEnabled = () => {
-            const isMaxUploadsEnabled = $("maxUploadsCheckbox").checked;
-            $("max_uploads_value").disabled = !isMaxUploadsEnabled;
+            const isMaxUploadsEnabled = document.getElementById("maxUploadsCheckbox").checked;
+            document.getElementById("max_uploads_value").disabled = !isMaxUploadsEnabled;
         };
 
         const updateMaxUploadsPerTorrentEnabled = () => {
-            const isMaxUploadsPerTorrentEnabled = $("maxUploadsPerTorrentCheckbox").checked;
-            $("maxUploadsPerTorrentValue").disabled = !isMaxUploadsPerTorrentEnabled;
+            const isMaxUploadsPerTorrentEnabled = document.getElementById("maxUploadsPerTorrentCheckbox").checked;
+            document.getElementById("maxUploadsPerTorrentValue").disabled = !isMaxUploadsPerTorrentEnabled;
         };
 
         const updateI2PSettingsEnabled = () => {
-            const isI2PEnabled = $("i2pEnabledCheckbox").checked;
-            $("i2pAddress").disabled = !isI2PEnabled;
-            $("i2pPort").disabled = !isI2PEnabled;
-            $("i2pMixedMode").disabled = !isI2PEnabled;
+            const isI2PEnabled = document.getElementById("i2pEnabledCheckbox").checked;
+            document.getElementById("i2pAddress").disabled = !isI2PEnabled;
+            document.getElementById("i2pPort").disabled = !isI2PEnabled;
+            document.getElementById("i2pMixedMode").disabled = !isI2PEnabled;
         };
 
         const updatePeerProxySettings = () => {
-            const proxyType = $("peer_proxy_type_select").value;
+            const proxyType = document.getElementById("peer_proxy_type_select").value;
             const isProxyDisabled = (proxyType === "None");
             const isProxySocks4 = (proxyType === "SOCKS4");
 
-            $("peer_proxy_host_text").disabled = isProxyDisabled;
-            $("peer_proxy_port_value").disabled = isProxyDisabled;
+            document.getElementById("peer_proxy_host_text").disabled = isProxyDisabled;
+            document.getElementById("peer_proxy_port_value").disabled = isProxyDisabled;
 
-            $("peer_proxy_auth_checkbox").disabled = (isProxyDisabled || isProxySocks4);
-            $("proxy_bittorrent_checkbox").disabled = isProxyDisabled;
-            $("use_peer_proxy_checkbox").disabled = (isProxyDisabled || !$("proxy_bittorrent_checkbox").checked);
-            $("proxyHostnameLookupCheckbox").disabled = (isProxyDisabled || isProxySocks4);
-            $("proxy_rss_checkbox").disabled = (isProxyDisabled || isProxySocks4);
-            $("proxy_misc_checkbox").disabled = (isProxyDisabled || isProxySocks4);
+            document.getElementById("peer_proxy_auth_checkbox").disabled = (isProxyDisabled || isProxySocks4);
+            document.getElementById("proxy_bittorrent_checkbox").disabled = isProxyDisabled;
+            document.getElementById("use_peer_proxy_checkbox").disabled = (isProxyDisabled || !document.getElementById("proxy_bittorrent_checkbox").checked);
+            document.getElementById("proxyHostnameLookupCheckbox").disabled = (isProxyDisabled || isProxySocks4);
+            document.getElementById("proxy_rss_checkbox").disabled = (isProxyDisabled || isProxySocks4);
+            document.getElementById("proxy_misc_checkbox").disabled = (isProxyDisabled || isProxySocks4);
 
             updatePeerProxyAuthSettings();
         };
 
         const updatePeerProxyAuthSettings = () => {
-            const proxyType = $("peer_proxy_type_select").value;
+            const proxyType = document.getElementById("peer_proxy_type_select").value;
             const isProxyDisabled = (proxyType === "None");
-            const isPeerProxyAuthEnabled = (!$("peer_proxy_auth_checkbox").disabled && $("peer_proxy_auth_checkbox").checked);
-            $("peer_proxy_username_text").disabled = (isProxyDisabled || !isPeerProxyAuthEnabled);
-            $("peer_proxy_password_text").disabled = (isProxyDisabled || !isPeerProxyAuthEnabled);
+            const isPeerProxyAuthEnabled = (!document.getElementById("peer_proxy_auth_checkbox").disabled && document.getElementById("peer_proxy_auth_checkbox").checked);
+            document.getElementById("peer_proxy_username_text").disabled = (isProxyDisabled || !isPeerProxyAuthEnabled);
+            document.getElementById("peer_proxy_password_text").disabled = (isProxyDisabled || !isPeerProxyAuthEnabled);
         };
 
         const updateFilterSettings = () => {
-            const isIPFilterEnabled = $("ipfilter_text_checkbox").checked;
-            $("ipfilter_text").disabled = !isIPFilterEnabled;
+            const isIPFilterEnabled = document.getElementById("ipfilter_text_checkbox").checked;
+            document.getElementById("ipfilter_text").disabled = !isIPFilterEnabled;
         };
 
         // Speed tab
         const updateSchedulingEnabled = () => {
-            const isLimitSchedulingEnabled = $("limitSchedulingCheckbox").checked;
-            $("schedule_from_hour").disabled = !isLimitSchedulingEnabled;
-            $("schedule_from_min").disabled = !isLimitSchedulingEnabled;
-            $("schedule_to_hour").disabled = !isLimitSchedulingEnabled;
-            $("schedule_to_min").disabled = !isLimitSchedulingEnabled;
-            $("schedule_freq_select").disabled = !isLimitSchedulingEnabled;
+            const isLimitSchedulingEnabled = document.getElementById("limitSchedulingCheckbox").checked;
+            document.getElementById("schedule_from_hour").disabled = !isLimitSchedulingEnabled;
+            document.getElementById("schedule_from_min").disabled = !isLimitSchedulingEnabled;
+            document.getElementById("schedule_to_hour").disabled = !isLimitSchedulingEnabled;
+            document.getElementById("schedule_to_min").disabled = !isLimitSchedulingEnabled;
+            document.getElementById("schedule_freq_select").disabled = !isLimitSchedulingEnabled;
         };
 
         // Bittorrent tab
         const updateQueueingSystem = () => {
-            const isQueueingEnabled = $("queueingCheckbox").checked;
-            $("maxActiveDlValue").disabled = !isQueueingEnabled;
-            $("maxActiveUpValue").disabled = !isQueueingEnabled;
-            $("maxActiveToValue").disabled = !isQueueingEnabled;
-            $("dontCountSlowTorrentsCheckbox").disabled = !isQueueingEnabled;
+            const isQueueingEnabled = document.getElementById("queueingCheckbox").checked;
+            document.getElementById("maxActiveDlValue").disabled = !isQueueingEnabled;
+            document.getElementById("maxActiveUpValue").disabled = !isQueueingEnabled;
+            document.getElementById("maxActiveToValue").disabled = !isQueueingEnabled;
+            document.getElementById("dontCountSlowTorrentsCheckbox").disabled = !isQueueingEnabled;
             updateSlowTorrentsSettings();
         };
 
         const updateSlowTorrentsSettings = () => {
-            const isDontCountSlowTorrentsEnabled = (!$("dontCountSlowTorrentsCheckbox").disabled) && $("dontCountSlowTorrentsCheckbox").checked;
-            $("dlRateThresholdValue").disabled = !isDontCountSlowTorrentsEnabled;
-            $("ulRateThresholdValue").disabled = !isDontCountSlowTorrentsEnabled;
-            $("torrentInactiveTimerValue").disabled = !isDontCountSlowTorrentsEnabled;
+            const isDontCountSlowTorrentsEnabled = (!document.getElementById("dontCountSlowTorrentsCheckbox").disabled) && document.getElementById("dontCountSlowTorrentsCheckbox").checked;
+            document.getElementById("dlRateThresholdValue").disabled = !isDontCountSlowTorrentsEnabled;
+            document.getElementById("ulRateThresholdValue").disabled = !isDontCountSlowTorrentsEnabled;
+            document.getElementById("torrentInactiveTimerValue").disabled = !isDontCountSlowTorrentsEnabled;
         };
 
         const updateMaxRatioTimeEnabled = () => {
-            const isMaxRatioEnabled = $("maxRatioCheckbox").checked;
-            $("maxRatioValue").disabled = !isMaxRatioEnabled;
+            const isMaxRatioEnabled = document.getElementById("maxRatioCheckbox").checked;
+            document.getElementById("maxRatioValue").disabled = !isMaxRatioEnabled;
 
-            const isMaxSeedingTimeEnabled = $("maxSeedingTimeCheckbox").checked;
-            $("maxSeedingTimeValue").disabled = !isMaxSeedingTimeEnabled;
+            const isMaxSeedingTimeEnabled = document.getElementById("maxSeedingTimeCheckbox").checked;
+            document.getElementById("maxSeedingTimeValue").disabled = !isMaxSeedingTimeEnabled;
 
-            const isMaxInactiveSeedingTimeEnabled = $("maxInactiveSeedingTimeCheckbox").checked;
-            $("maxInactiveSeedingTimeValue").disabled = !isMaxInactiveSeedingTimeEnabled;
+            const isMaxInactiveSeedingTimeEnabled = document.getElementById("maxInactiveSeedingTimeCheckbox").checked;
+            document.getElementById("maxInactiveSeedingTimeValue").disabled = !isMaxInactiveSeedingTimeEnabled;
 
-            $("maxRatioSelect").disabled = !(isMaxRatioEnabled || isMaxSeedingTimeEnabled || isMaxInactiveSeedingTimeEnabled);
+            document.getElementById("maxRatioSelect").disabled = !(isMaxRatioEnabled || isMaxSeedingTimeEnabled || isMaxInactiveSeedingTimeEnabled);
         };
 
         const updateAddTrackersEnabled = () => {
-            const isAddTrackersEnabled = $("add_trackers_checkbox").checked;
-            $("add_trackers_textarea").disabled = !isAddTrackersEnabled;
+            const isAddTrackersEnabled = document.getElementById("add_trackers_checkbox").checked;
+            document.getElementById("add_trackers_textarea").disabled = !isAddTrackersEnabled;
         };
 
         const updateAddTrackersFromURLEnabled = () => {
-            const isAddTrackersFromURLEnabled = $("addTrackersFromURLCheckbox").checked;
-            $("addTrackersURL").disabled = !isAddTrackersFromURLEnabled;
+            const isAddTrackersFromURLEnabled = document.getElementById("addTrackersFromURLCheckbox").checked;
+            document.getElementById("addTrackersURL").disabled = !isAddTrackersFromURLEnabled;
         };
 
         // WebUI tab
         const updateHttpsSettings = () => {
-            const isUseHttpsEnabled = $("use_https_checkbox").checked;
-            $("ssl_cert_text").disabled = !isUseHttpsEnabled;
-            $("ssl_key_text").disabled = !isUseHttpsEnabled;
+            const isUseHttpsEnabled = document.getElementById("use_https_checkbox").checked;
+            document.getElementById("ssl_cert_text").disabled = !isUseHttpsEnabled;
+            document.getElementById("ssl_key_text").disabled = !isUseHttpsEnabled;
         };
 
         const updateBypasssAuthSettings = () => {
-            const isBypassAuthSubnetWhitelistEnabled = $("bypass_auth_subnet_whitelist_checkbox").checked;
-            $("bypass_auth_subnet_whitelist_textarea").disabled = !isBypassAuthSubnetWhitelistEnabled;
+            const isBypassAuthSubnetWhitelistEnabled = document.getElementById("bypass_auth_subnet_whitelist_checkbox").checked;
+            document.getElementById("bypass_auth_subnet_whitelist_textarea").disabled = !isBypassAuthSubnetWhitelistEnabled;
         };
 
         const updateAlternativeWebUISettings = () => {
-            const isUseAlternativeWebUIEnabled = $("use_alt_webui_checkbox").checked;
-            $("webui_files_location_textarea").disabled = !isUseAlternativeWebUIEnabled;
+            const isUseAlternativeWebUIEnabled = document.getElementById("use_alt_webui_checkbox").checked;
+            document.getElementById("webui_files_location_textarea").disabled = !isUseAlternativeWebUIEnabled;
         };
 
         const updateHostHeaderValidationSettings = () => {
-            const isHostHeaderValidationEnabled = $("host_header_validation_checkbox").checked;
-            $("webuiDomainTextarea").disabled = !isHostHeaderValidationEnabled;
+            const isHostHeaderValidationEnabled = document.getElementById("host_header_validation_checkbox").checked;
+            document.getElementById("webuiDomainTextarea").disabled = !isHostHeaderValidationEnabled;
         };
 
         const updateWebUICustomHTTPHeadersSettings = () => {
-            const isEnabled = $("webUIUseCustomHTTPHeadersCheckbox").checked;
-            $("webUICustomHTTPHeadersTextarea").disabled = !isEnabled;
+            const isEnabled = document.getElementById("webUIUseCustomHTTPHeadersCheckbox").checked;
+            document.getElementById("webUICustomHTTPHeadersTextarea").disabled = !isEnabled;
         };
 
         const updateWebUIReverseProxySettings = () => {
-            const isEnabled = $("webUIReverseProxySupportCheckbox").checked;
-            $("webUIReverseProxiesListTextarea").disabled = !isEnabled;
+            const isEnabled = document.getElementById("webUIReverseProxySupportCheckbox").checked;
+            document.getElementById("webUIReverseProxiesListTextarea").disabled = !isEnabled;
         };
 
         const updateDynDnsSettings = () => {
-            const isDynDnsEnabled = $("use_dyndns_checkbox").checked;
-            $("dyndns_select").disabled = !isDynDnsEnabled;
-            $("dyndns_domain_text").disabled = !isDynDnsEnabled;
-            $("dyndns_username_text").disabled = !isDynDnsEnabled;
-            $("dyndns_password_text").disabled = !isDynDnsEnabled;
+            const isDynDnsEnabled = document.getElementById("use_dyndns_checkbox").checked;
+            document.getElementById("dyndns_select").disabled = !isDynDnsEnabled;
+            document.getElementById("dyndns_domain_text").disabled = !isDynDnsEnabled;
+            document.getElementById("dyndns_username_text").disabled = !isDynDnsEnabled;
+            document.getElementById("dyndns_password_text").disabled = !isDynDnsEnabled;
         };
 
         const registerDynDns = () => {
-            if (Number($("dyndns_select").value) === 1)
+            if (Number(document.getElementById("dyndns_select").value) === 1)
                 window.open("http://www.no-ip.com/services/managed_dns/free_dynamic_dns.html", "NO-IP Registration");
             else
                 window.open("https://www.dyndns.com/account/services/hosts/add.html", "DynDNS Registration");
@@ -2120,7 +2120,7 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
             const min = 1024;
             const max = 65535;
             const port = Math.floor(Math.random() * (max - min + 1) + min);
-            $("portValue").value = port;
+            document.getElementById("portValue").value = port;
         };
 
         const time_padding = (val) => {
@@ -2152,11 +2152,11 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
                     if (default_iface && !ifaces.some((item) => item.value === default_iface))
                         ifaces.push({ name: default_iface_name || default_iface, value: default_iface });
 
-                    $("networkInterface").options.add(new Option("QBT_TR(Any interface)QBT_TR[CONTEXT=OptionsDialog]", ""));
+                    document.getElementById("networkInterface").options.add(new Option("QBT_TR(Any interface)QBT_TR[CONTEXT=OptionsDialog]", ""));
                     ifaces.forEach((item, index) => {
-                        $("networkInterface").options.add(new Option(item.name, item.value));
+                        document.getElementById("networkInterface").options.add(new Option(item.name, item.value));
                     });
-                    $("networkInterface").value = default_iface;
+                    document.getElementById("networkInterface").value = default_iface;
                 });
         };
 
@@ -2181,26 +2181,26 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
                     if (!addresses)
                         return;
 
-                    $("optionalIPAddressToBind").options.add(new Option("QBT_TR(All addresses)QBT_TR[CONTEXT=OptionDialog]", ""));
-                    $("optionalIPAddressToBind").options.add(new Option("QBT_TR(All IPv4 addresses)QBT_TR[CONTEXT=OptionDialog]", "0.0.0.0"));
-                    $("optionalIPAddressToBind").options.add(new Option("QBT_TR(All IPv6 addresses)QBT_TR[CONTEXT=OptionDialog]", "::"));
+                    document.getElementById("optionalIPAddressToBind").options.add(new Option("QBT_TR(All addresses)QBT_TR[CONTEXT=OptionDialog]", ""));
+                    document.getElementById("optionalIPAddressToBind").options.add(new Option("QBT_TR(All IPv4 addresses)QBT_TR[CONTEXT=OptionDialog]", "0.0.0.0"));
+                    document.getElementById("optionalIPAddressToBind").options.add(new Option("QBT_TR(All IPv6 addresses)QBT_TR[CONTEXT=OptionDialog]", "::"));
                     addresses.forEach((item, index) => {
-                        $("optionalIPAddressToBind").options.add(new Option(item, item));
+                        document.getElementById("optionalIPAddressToBind").options.add(new Option(item, item));
                     });
-                    $("optionalIPAddressToBind").value = default_addr;
+                    document.getElementById("optionalIPAddressToBind").value = default_addr;
                 });
         };
 
         const updateWebuiLocaleSelect = (selected) => {
             const languages = [];
-            for (let i = 0; i < $("locale_select").options.length; i++)
-                languages.push($("locale_select").options[i].value);
+            for (let i = 0; i < document.getElementById("locale_select").options.length; i++)
+                languages.push(document.getElementById("locale_select").options[i].value);
 
             if (!languages.includes(selected)) {
                 const lang = selected.split("_", 1)[0];
                 selected = languages.includes(lang) ? lang : "en";
             }
-            $("locale_select").value = selected;
+            document.getElementById("locale_select").value = selected;
         };
 
         const updateColoSchemeSelect = () => {
@@ -2222,22 +2222,22 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
                     // Language
                     updateWebuiLocaleSelect(pref.locale);
                     updateColoSchemeSelect();
-                    $("statusBarExternalIP").checked = pref.status_bar_external_ip;
-                    $("performanceWarning").checked = pref.performance_warning;
+                    document.getElementById("statusBarExternalIP").checked = pref.status_bar_external_ip;
+                    document.getElementById("performanceWarning").checked = pref.performance_warning;
                     document.getElementById("displayFullURLTrackerColumn").checked = (LocalPreferences.get("full_url_tracker_column", "false") === "true");
                     document.getElementById("useVirtualList").checked = (LocalPreferences.get("use_virtual_list", "false") === "true");
                     document.getElementById("hideZeroFiltersCheckbox").checked = (LocalPreferences.get("hide_zero_status_filters", "false") === "true");
-                    $("dblclickDownloadSelect").value = LocalPreferences.get("dblclick_download", "1");
-                    $("dblclickCompleteSelect").value = LocalPreferences.get("dblclick_complete", "1");
+                    document.getElementById("dblclickDownloadSelect").value = LocalPreferences.get("dblclick_download", "1");
+                    document.getElementById("dblclickCompleteSelect").value = LocalPreferences.get("dblclick_complete", "1");
                     document.getElementById("confirmTorrentDeletion").checked = pref.confirm_torrent_deletion;
                     document.getElementById("useAltRowColorsInput").checked = (LocalPreferences.get("use_alt_row_colors", "true") === "true");
-                    $("filelog_checkbox").checked = pref.file_log_enabled;
-                    $("filelog_save_path_input").value = pref.file_log_path;
-                    $("filelog_backup_checkbox").checked = pref.file_log_backup_enabled;
-                    $("filelog_max_size_input").value = pref.file_log_max_size;
-                    $("filelog_delete_old_checkbox").checked = pref.file_log_delete_old;
-                    $("filelog_age_input").value = pref.file_log_age;
-                    $("filelog_age_type_select").value = pref.file_log_age_type;
+                    document.getElementById("filelog_checkbox").checked = pref.file_log_enabled;
+                    document.getElementById("filelog_save_path_input").value = pref.file_log_path;
+                    document.getElementById("filelog_backup_checkbox").checked = pref.file_log_backup_enabled;
+                    document.getElementById("filelog_max_size_input").value = pref.file_log_max_size;
+                    document.getElementById("filelog_delete_old_checkbox").checked = pref.file_log_delete_old;
+                    document.getElementById("filelog_age_input").value = pref.file_log_age;
+                    document.getElementById("filelog_age_type_select").value = pref.file_log_age_type;
                     updateFileLogEnabled();
 
                     // Downloads tab
@@ -2254,9 +2254,9 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
                             index = 2;
                             break;
                     }
-                    $("contentlayout_select").getChildren("option")[index].selected = true;
-                    $("addToTopOfQueueCheckbox").checked = pref.add_to_top_of_queue;
-                    $("dontstartdownloads_checkbox").checked = pref.add_stopped_enabled;
+                    document.getElementById("contentlayout_select").getChildren("option")[index].selected = true;
+                    document.getElementById("addToTopOfQueueCheckbox").checked = pref.add_to_top_of_queue;
+                    document.getElementById("dontstartdownloads_checkbox").checked = pref.add_stopped_enabled;
                     switch (pref.torrent_stop_condition) {
                         case "None":
                             index = 0;
@@ -2268,41 +2268,41 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
                             index = 2;
                             break;
                     }
-                    $("stopConditionSelect").getChildren("option")[index].selected = true;
+                    document.getElementById("stopConditionSelect").getChildren("option")[index].selected = true;
                     document.getElementById("mergeTrackersInput").checked = pref.merge_trackers;
-                    $("deletetorrentfileafter_checkbox").checked = pref.auto_delete_mode;
+                    document.getElementById("deletetorrentfileafter_checkbox").checked = pref.auto_delete_mode;
 
-                    $("preallocateall_checkbox").checked = pref.preallocate_all;
-                    $("appendext_checkbox").checked = pref.incomplete_files_ext;
-                    $("unwantedfolder_checkbox").checked = pref.use_unwanted_folder;
+                    document.getElementById("preallocateall_checkbox").checked = pref.preallocate_all;
+                    document.getElementById("appendext_checkbox").checked = pref.incomplete_files_ext;
+                    document.getElementById("unwantedfolder_checkbox").checked = pref.use_unwanted_folder;
 
                     // Saving Management
-                    $("default_tmm_combobox").value = pref.auto_tmm_enabled;
-                    $("torrent_changed_tmm_combobox").value = pref.torrent_changed_tmm_enabled;
-                    $("save_path_changed_tmm_combobox").value = pref.save_path_changed_tmm_enabled;
-                    $("category_changed_tmm_combobox").value = pref.category_changed_tmm_enabled;
-                    $("use_subcategories_checkbox").checked = pref.use_subcategories;
+                    document.getElementById("default_tmm_combobox").value = pref.auto_tmm_enabled;
+                    document.getElementById("torrent_changed_tmm_combobox").value = pref.torrent_changed_tmm_enabled;
+                    document.getElementById("save_path_changed_tmm_combobox").value = pref.save_path_changed_tmm_enabled;
+                    document.getElementById("category_changed_tmm_combobox").value = pref.category_changed_tmm_enabled;
+                    document.getElementById("use_subcategories_checkbox").checked = pref.use_subcategories;
                     document.getElementById("categoryPathsManualModeCheckbox").checked = pref.use_category_paths_in_manual_mode;
-                    $("savepath_text").value = pref.save_path;
-                    $("temppath_checkbox").checked = pref.temp_path_enabled;
-                    $("temppath_text").value = pref.temp_path;
+                    document.getElementById("savepath_text").value = pref.save_path;
+                    document.getElementById("temppath_checkbox").checked = pref.temp_path_enabled;
+                    document.getElementById("temppath_text").value = pref.temp_path;
                     updateTempDirEnabled();
                     if (pref.export_dir !== "") {
-                        $("exportdir_checkbox").checked = true;
-                        $("exportdir_text").value = pref.export_dir;
+                        document.getElementById("exportdir_checkbox").checked = true;
+                        document.getElementById("exportdir_text").value = pref.export_dir;
                     }
                     else {
-                        $("exportdir_checkbox").checked = false;
-                        $("exportdir_text").value = "";
+                        document.getElementById("exportdir_checkbox").checked = false;
+                        document.getElementById("exportdir_text").value = "";
                     }
                     updateExportDirEnabled();
                     if (pref.export_dir_fin !== "") {
-                        $("exportdirfin_checkbox").checked = true;
-                        $("exportdirfin_text").value = pref.export_dir_fin;
+                        document.getElementById("exportdirfin_checkbox").checked = true;
+                        document.getElementById("exportdirfin_text").value = pref.export_dir_fin;
                     }
                     else {
-                        $("exportdirfin_checkbox").checked = false;
-                        $("exportdirfin_text").value = "";
+                        document.getElementById("exportdirfin_checkbox").checked = false;
+                        document.getElementById("exportdirfin_text").value = "";
                     }
                     updateExportDirFinEnabled();
 
@@ -2323,159 +2323,159 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
                     addWatchFolder();
 
                     // Excluded file names
-                    $("excludedFileNamesCheckbox").checked = pref.excluded_file_names_enabled;
-                    $("excludedFileNamesTextarea").value = pref.excluded_file_names;
+                    document.getElementById("excludedFileNamesCheckbox").checked = pref.excluded_file_names_enabled;
+                    document.getElementById("excludedFileNamesTextarea").value = pref.excluded_file_names;
 
                     // Email notification upon download completion
-                    $("mail_notification_checkbox").checked = pref.mail_notification_enabled;
-                    $("src_email_txt").value = pref.mail_notification_sender;
-                    $("dest_email_txt").value = pref.mail_notification_email;
-                    $("smtp_server_txt").value = pref.mail_notification_smtp;
-                    $("mail_ssl_checkbox").checked = pref.mail_notification_ssl_enabled;
-                    $("mail_auth_checkbox").checked = pref.mail_notification_auth_enabled;
-                    $("mail_username_text").value = pref.mail_notification_username;
-                    $("mail_password_text").value = pref.mail_notification_password;
+                    document.getElementById("mail_notification_checkbox").checked = pref.mail_notification_enabled;
+                    document.getElementById("src_email_txt").value = pref.mail_notification_sender;
+                    document.getElementById("dest_email_txt").value = pref.mail_notification_email;
+                    document.getElementById("smtp_server_txt").value = pref.mail_notification_smtp;
+                    document.getElementById("mail_ssl_checkbox").checked = pref.mail_notification_ssl_enabled;
+                    document.getElementById("mail_auth_checkbox").checked = pref.mail_notification_auth_enabled;
+                    document.getElementById("mail_username_text").value = pref.mail_notification_username;
+                    document.getElementById("mail_password_text").value = pref.mail_notification_password;
                     updateMailNotification();
                     updateMailAuthSettings();
 
                     // Run an external program on torrent added
-                    $("autorunOnTorrentAddedCheckbox").checked = pref.autorun_on_torrent_added_enabled;
-                    $("autorunOnTorrentAddedProgram").value = pref.autorun_on_torrent_added_program;
+                    document.getElementById("autorunOnTorrentAddedCheckbox").checked = pref.autorun_on_torrent_added_enabled;
+                    document.getElementById("autorunOnTorrentAddedProgram").value = pref.autorun_on_torrent_added_program;
                     updateAutoRunOnTorrentAdded();
                     // Run an external program on torrent finished
-                    $("autorun_checkbox").checked = pref.autorun_enabled;
-                    $("autorunProg_txt").value = pref.autorun_program;
+                    document.getElementById("autorun_checkbox").checked = pref.autorun_enabled;
+                    document.getElementById("autorunProg_txt").value = pref.autorun_program;
                     updateAutoRun();
 
                     // Connection tab
                     // Listening Port
-                    $("portValue").value = Number(pref.listen_port);
-                    $("upnpCheckbox").checked = pref.upnp;
+                    document.getElementById("portValue").value = Number(pref.listen_port);
+                    document.getElementById("upnpCheckbox").checked = pref.upnp;
 
                     // Connections Limits
                     const maxConnec = Number(pref.max_connec);
                     if (maxConnec <= 0) {
-                        $("maxConnectionsCheckbox").checked = false;
-                        $("maxConnectionsValue").value = 500;
+                        document.getElementById("maxConnectionsCheckbox").checked = false;
+                        document.getElementById("maxConnectionsValue").value = 500;
                     }
                     else {
-                        $("maxConnectionsCheckbox").checked = true;
-                        $("maxConnectionsValue").value = maxConnec;
+                        document.getElementById("maxConnectionsCheckbox").checked = true;
+                        document.getElementById("maxConnectionsValue").value = maxConnec;
                     }
                     updateMaxConnecEnabled();
 
                     const maxConnecPerTorrent = Number(pref.max_connec_per_torrent);
                     if (maxConnecPerTorrent <= 0) {
-                        $("maxConnectionsPerTorrentCheckbox").checked = false;
-                        $("maxConnectionsPerTorrentValue").value = 100;
+                        document.getElementById("maxConnectionsPerTorrentCheckbox").checked = false;
+                        document.getElementById("maxConnectionsPerTorrentValue").value = 100;
                     }
                     else {
-                        $("maxConnectionsPerTorrentCheckbox").checked = true;
-                        $("maxConnectionsPerTorrentValue").value = maxConnecPerTorrent;
+                        document.getElementById("maxConnectionsPerTorrentCheckbox").checked = true;
+                        document.getElementById("maxConnectionsPerTorrentValue").value = maxConnecPerTorrent;
                     }
                     updateMaxConnecPerTorrentEnabled();
 
                     const maxUploads = Number(pref.max_uploads);
                     if (maxUploads <= 0) {
-                        $("maxUploadsCheckbox").checked = false;
-                        $("max_uploads_value").value = 8;
+                        document.getElementById("maxUploadsCheckbox").checked = false;
+                        document.getElementById("max_uploads_value").value = 8;
                     }
                     else {
-                        $("maxUploadsCheckbox").checked = true;
-                        $("max_uploads_value").value = maxUploads;
+                        document.getElementById("maxUploadsCheckbox").checked = true;
+                        document.getElementById("max_uploads_value").value = maxUploads;
                     }
                     updateMaxUploadsEnabled();
 
                     const maxUploadsPerTorrent = Number(pref.max_uploads_per_torrent);
                     if (maxUploadsPerTorrent <= 0) {
-                        $("maxUploadsPerTorrentCheckbox").checked = false;
-                        $("maxUploadsPerTorrentValue").value = 4;
+                        document.getElementById("maxUploadsPerTorrentCheckbox").checked = false;
+                        document.getElementById("maxUploadsPerTorrentValue").value = 4;
                     }
                     else {
-                        $("maxUploadsPerTorrentCheckbox").checked = true;
-                        $("maxUploadsPerTorrentValue").value = maxUploadsPerTorrent;
+                        document.getElementById("maxUploadsPerTorrentCheckbox").checked = true;
+                        document.getElementById("maxUploadsPerTorrentValue").value = maxUploadsPerTorrent;
                     }
                     updateMaxUploadsPerTorrentEnabled();
 
                     // I2P
-                    $("i2pEnabledCheckbox").checked = pref.i2p_enabled;
-                    $("i2pAddress").value = pref.i2p_address;
-                    $("i2pPort").value = pref.i2p_port;
-                    $("i2pMixedMode").checked = pref.i2p_mixed_mode;
+                    document.getElementById("i2pEnabledCheckbox").checked = pref.i2p_enabled;
+                    document.getElementById("i2pAddress").value = pref.i2p_address;
+                    document.getElementById("i2pPort").value = pref.i2p_port;
+                    document.getElementById("i2pMixedMode").checked = pref.i2p_mixed_mode;
                     updateI2PSettingsEnabled();
 
                     // Proxy Server
-                    $("peer_proxy_type_select").value = pref.proxy_type;
-                    $("peer_proxy_host_text").value = pref.proxy_ip;
-                    $("peer_proxy_port_value").value = pref.proxy_port;
-                    $("peer_proxy_auth_checkbox").checked = pref.proxy_auth_enabled;
-                    $("peer_proxy_username_text").value = pref.proxy_username;
-                    $("peer_proxy_password_text").value = pref.proxy_password;
-                    $("proxyHostnameLookupCheckbox").checked = pref.proxy_hostname_lookup;
-                    $("proxy_bittorrent_checkbox").checked = pref.proxy_bittorrent;
-                    $("use_peer_proxy_checkbox").checked = pref.proxy_peer_connections;
-                    $("proxy_rss_checkbox").checked = pref.proxy_rss;
-                    $("proxy_misc_checkbox").checked = pref.proxy_misc;
+                    document.getElementById("peer_proxy_type_select").value = pref.proxy_type;
+                    document.getElementById("peer_proxy_host_text").value = pref.proxy_ip;
+                    document.getElementById("peer_proxy_port_value").value = pref.proxy_port;
+                    document.getElementById("peer_proxy_auth_checkbox").checked = pref.proxy_auth_enabled;
+                    document.getElementById("peer_proxy_username_text").value = pref.proxy_username;
+                    document.getElementById("peer_proxy_password_text").value = pref.proxy_password;
+                    document.getElementById("proxyHostnameLookupCheckbox").checked = pref.proxy_hostname_lookup;
+                    document.getElementById("proxy_bittorrent_checkbox").checked = pref.proxy_bittorrent;
+                    document.getElementById("use_peer_proxy_checkbox").checked = pref.proxy_peer_connections;
+                    document.getElementById("proxy_rss_checkbox").checked = pref.proxy_rss;
+                    document.getElementById("proxy_misc_checkbox").checked = pref.proxy_misc;
                     updatePeerProxySettings();
 
                     // IP Filtering
-                    $("ipfilter_text_checkbox").checked = pref.ip_filter_enabled;
-                    $("ipfilter_text").value = pref.ip_filter_path;
-                    $("ipfilter_trackers_checkbox").checked = pref.ip_filter_trackers;
-                    $("banned_IPs_textarea").value = pref.banned_IPs;
+                    document.getElementById("ipfilter_text_checkbox").checked = pref.ip_filter_enabled;
+                    document.getElementById("ipfilter_text").value = pref.ip_filter_path;
+                    document.getElementById("ipfilter_trackers_checkbox").checked = pref.ip_filter_trackers;
+                    document.getElementById("banned_IPs_textarea").value = pref.banned_IPs;
                     updateFilterSettings();
 
                     // Speed tab
                     // Global Rate Limits
-                    $("upLimitValue").value = (Number(pref.up_limit) / 1024);
-                    $("dlLimitValue").value = (Number(pref.dl_limit) / 1024);
+                    document.getElementById("upLimitValue").value = (Number(pref.up_limit) / 1024);
+                    document.getElementById("dlLimitValue").value = (Number(pref.dl_limit) / 1024);
                     // Alternative Global Rate Limits
-                    $("altUpLimitValue").value = (Number(pref.alt_up_limit) / 1024);
-                    $("altDlLimitValue").value = (Number(pref.alt_dl_limit) / 1024);
+                    document.getElementById("altUpLimitValue").value = (Number(pref.alt_up_limit) / 1024);
+                    document.getElementById("altDlLimitValue").value = (Number(pref.alt_dl_limit) / 1024);
 
-                    $("enable_protocol_combobox").value = pref.bittorrent_protocol;
-                    $("limit_utp_rate_checkbox").checked = pref.limit_utp_rate;
-                    $("limit_tcp_overhead_checkbox").checked = pref.limit_tcp_overhead;
-                    $("limit_lan_peers_checkbox").checked = pref.limit_lan_peers;
+                    document.getElementById("enable_protocol_combobox").value = pref.bittorrent_protocol;
+                    document.getElementById("limit_utp_rate_checkbox").checked = pref.limit_utp_rate;
+                    document.getElementById("limit_tcp_overhead_checkbox").checked = pref.limit_tcp_overhead;
+                    document.getElementById("limit_lan_peers_checkbox").checked = pref.limit_lan_peers;
 
                     // Scheduling
-                    $("limitSchedulingCheckbox").checked = pref.scheduler_enabled;
-                    $("schedule_from_hour").value = time_padding(pref.schedule_from_hour);
-                    $("schedule_from_min").value = time_padding(pref.schedule_from_min);
-                    $("schedule_to_hour").value = time_padding(pref.schedule_to_hour);
-                    $("schedule_to_min").value = time_padding(pref.schedule_to_min);
-                    $("schedule_freq_select").value = pref.scheduler_days;
+                    document.getElementById("limitSchedulingCheckbox").checked = pref.scheduler_enabled;
+                    document.getElementById("schedule_from_hour").value = time_padding(pref.schedule_from_hour);
+                    document.getElementById("schedule_from_min").value = time_padding(pref.schedule_from_min);
+                    document.getElementById("schedule_to_hour").value = time_padding(pref.schedule_to_hour);
+                    document.getElementById("schedule_to_min").value = time_padding(pref.schedule_to_min);
+                    document.getElementById("schedule_freq_select").value = pref.scheduler_days;
                     updateSchedulingEnabled();
 
                     // Bittorrent tab
                     // Privacy
-                    $("dht_checkbox").checked = pref.dht;
-                    $("pex_checkbox").checked = pref.pex;
-                    $("lsd_checkbox").checked = pref.lsd;
+                    document.getElementById("dht_checkbox").checked = pref.dht;
+                    document.getElementById("pex_checkbox").checked = pref.pex;
+                    document.getElementById("lsd_checkbox").checked = pref.lsd;
                     const encryption = Number(pref.encryption);
-                    $("encryption_select").getChildren("option")[encryption].selected = true;
-                    $("anonymous_mode_checkbox").checked = pref.anonymous_mode;
+                    document.getElementById("encryption_select").getChildren("option")[encryption].selected = true;
+                    document.getElementById("anonymous_mode_checkbox").checked = pref.anonymous_mode;
 
-                    $("maxActiveCheckingTorrents").value = pref.max_active_checking_torrents;
+                    document.getElementById("maxActiveCheckingTorrents").value = pref.max_active_checking_torrents;
 
                     // Torrent Queueing
-                    $("queueingCheckbox").checked = pref.queueing_enabled;
-                    $("maxActiveDlValue").value = Number(pref.max_active_downloads);
-                    $("maxActiveUpValue").value = Number(pref.max_active_uploads);
-                    $("maxActiveToValue").value = Number(pref.max_active_torrents);
-                    $("dontCountSlowTorrentsCheckbox").checked = pref.dont_count_slow_torrents;
-                    $("dlRateThresholdValue").value = Number(pref.slow_torrent_dl_rate_threshold);
-                    $("ulRateThresholdValue").value = Number(pref.slow_torrent_ul_rate_threshold);
-                    $("torrentInactiveTimerValue").value = Number(pref.slow_torrent_inactive_timer);
+                    document.getElementById("queueingCheckbox").checked = pref.queueing_enabled;
+                    document.getElementById("maxActiveDlValue").value = Number(pref.max_active_downloads);
+                    document.getElementById("maxActiveUpValue").value = Number(pref.max_active_uploads);
+                    document.getElementById("maxActiveToValue").value = Number(pref.max_active_torrents);
+                    document.getElementById("dontCountSlowTorrentsCheckbox").checked = pref.dont_count_slow_torrents;
+                    document.getElementById("dlRateThresholdValue").value = Number(pref.slow_torrent_dl_rate_threshold);
+                    document.getElementById("ulRateThresholdValue").value = Number(pref.slow_torrent_ul_rate_threshold);
+                    document.getElementById("torrentInactiveTimerValue").value = Number(pref.slow_torrent_inactive_timer);
                     updateQueueingSystem();
 
                     // Share Limiting
-                    $("maxRatioCheckbox").checked = pref.max_ratio_enabled;
-                    $("maxRatioValue").value = (pref.max_ratio_enabled ? pref.max_ratio : 1);
-                    $("maxSeedingTimeCheckbox").checked = pref.max_seeding_time_enabled;
-                    $("maxSeedingTimeValue").value = (pref.max_seeding_time_enabled ? Number(pref.max_seeding_time) : 1440);
-                    $("maxInactiveSeedingTimeCheckbox").checked = pref.max_inactive_seeding_time_enabled;
-                    $("maxInactiveSeedingTimeValue").value = (pref.max_inactive_seeding_time_enabled ? Number(pref.max_inactive_seeding_time) : 1440);
+                    document.getElementById("maxRatioCheckbox").checked = pref.max_ratio_enabled;
+                    document.getElementById("maxRatioValue").value = (pref.max_ratio_enabled ? pref.max_ratio : 1);
+                    document.getElementById("maxSeedingTimeCheckbox").checked = pref.max_seeding_time_enabled;
+                    document.getElementById("maxSeedingTimeValue").value = (pref.max_seeding_time_enabled ? Number(pref.max_seeding_time) : 1440);
+                    document.getElementById("maxInactiveSeedingTimeCheckbox").checked = pref.max_inactive_seeding_time_enabled;
+                    document.getElementById("maxInactiveSeedingTimeValue").value = (pref.max_inactive_seeding_time_enabled ? Number(pref.max_inactive_seeding_time) : 1440);
                     let maxRatioAct = 0;
                     switch (Number(pref.max_ratio_act)) {
                         case 0: // Stop
@@ -2492,151 +2492,151 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
                             maxRatioAct = 2;
                             break;
                     }
-                    $("maxRatioSelect").getChildren("option")[maxRatioAct].selected = true;
+                    document.getElementById("maxRatioSelect").getChildren("option")[maxRatioAct].selected = true;
                     updateMaxRatioTimeEnabled();
 
                     // Add trackers
-                    $("add_trackers_checkbox").checked = pref.add_trackers_enabled;
-                    $("add_trackers_textarea").value = pref.add_trackers;
-                    $("addTrackersFromURLCheckbox").checked = pref.add_trackers_from_url_enabled;
-                    $("addTrackersURLListTextarea").value = pref.add_trackers_url_list;
-                    $("addTrackersURL").value = pref.add_trackers_url;
+                    document.getElementById("add_trackers_checkbox").checked = pref.add_trackers_enabled;
+                    document.getElementById("add_trackers_textarea").value = pref.add_trackers;
+                    document.getElementById("addTrackersFromURLCheckbox").checked = pref.add_trackers_from_url_enabled;
+                    document.getElementById("addTrackersURLListTextarea").value = pref.add_trackers_url_list;
+                    document.getElementById("addTrackersURL").value = pref.add_trackers_url;
                     updateAddTrackersEnabled();
                     updateAddTrackersFromURLEnabled();
 
                     // RSS Tab
-                    $("enable_fetching_rss_feeds_checkbox").checked = pref.rss_processing_enabled;
-                    $("feed_refresh_interval").value = pref.rss_refresh_interval;
-                    $("feedFetchDelay").value = pref.rss_fetch_delay;
-                    $("maximum_article_number").value = pref.rss_max_articles_per_feed;
-                    $("enable_auto_downloading_rss_torrents_checkbox").checked = pref.rss_auto_downloading_enabled;
-                    $("downlock_repack_proper_episodes").checked = pref.rss_download_repack_proper_episodes;
-                    $("rss_filter_textarea").value = pref.rss_smart_episode_filters;
+                    document.getElementById("enable_fetching_rss_feeds_checkbox").checked = pref.rss_processing_enabled;
+                    document.getElementById("feed_refresh_interval").value = pref.rss_refresh_interval;
+                    document.getElementById("feedFetchDelay").value = pref.rss_fetch_delay;
+                    document.getElementById("maximum_article_number").value = pref.rss_max_articles_per_feed;
+                    document.getElementById("enable_auto_downloading_rss_torrents_checkbox").checked = pref.rss_auto_downloading_enabled;
+                    document.getElementById("downlock_repack_proper_episodes").checked = pref.rss_download_repack_proper_episodes;
+                    document.getElementById("rss_filter_textarea").value = pref.rss_smart_episode_filters;
 
                     // WebUI tab
                     // HTTP Server
-                    $("webuiDomainTextarea").value = pref.web_ui_domain_list;
-                    $("webuiAddressValue").value = pref.web_ui_address;
-                    $("webuiPortValue").value = pref.web_ui_port;
-                    $("webuiUpnpCheckbox").checked = pref.web_ui_upnp;
-                    $("use_https_checkbox").checked = pref.use_https;
-                    $("ssl_cert_text").value = pref.web_ui_https_cert_path;
-                    $("ssl_key_text").value = pref.web_ui_https_key_path;
+                    document.getElementById("webuiDomainTextarea").value = pref.web_ui_domain_list;
+                    document.getElementById("webuiAddressValue").value = pref.web_ui_address;
+                    document.getElementById("webuiPortValue").value = pref.web_ui_port;
+                    document.getElementById("webuiUpnpCheckbox").checked = pref.web_ui_upnp;
+                    document.getElementById("use_https_checkbox").checked = pref.use_https;
+                    document.getElementById("ssl_cert_text").value = pref.web_ui_https_cert_path;
+                    document.getElementById("ssl_key_text").value = pref.web_ui_https_key_path;
                     updateHttpsSettings();
 
                     // Authentication
-                    $("webui_username_text").value = pref.web_ui_username;
-                    $("bypass_local_auth_checkbox").checked = pref.bypass_local_auth;
-                    $("bypass_auth_subnet_whitelist_checkbox").checked = pref.bypass_auth_subnet_whitelist_enabled;
-                    $("bypass_auth_subnet_whitelist_textarea").value = pref.bypass_auth_subnet_whitelist;
+                    document.getElementById("webui_username_text").value = pref.web_ui_username;
+                    document.getElementById("bypass_local_auth_checkbox").checked = pref.bypass_local_auth;
+                    document.getElementById("bypass_auth_subnet_whitelist_checkbox").checked = pref.bypass_auth_subnet_whitelist_enabled;
+                    document.getElementById("bypass_auth_subnet_whitelist_textarea").value = pref.bypass_auth_subnet_whitelist;
                     updateBypasssAuthSettings();
-                    $("webUIMaxAuthFailCountInput").value = Number(pref.web_ui_max_auth_fail_count);
-                    $("webUIBanDurationInput").value = Number(pref.web_ui_ban_duration);
-                    $("webUISessionTimeoutInput").value = Number(pref.web_ui_session_timeout);
+                    document.getElementById("webUIMaxAuthFailCountInput").value = Number(pref.web_ui_max_auth_fail_count);
+                    document.getElementById("webUIBanDurationInput").value = Number(pref.web_ui_ban_duration);
+                    document.getElementById("webUISessionTimeoutInput").value = Number(pref.web_ui_session_timeout);
 
                     // Use alternative WebUI
-                    $("use_alt_webui_checkbox").checked = pref.alternative_webui_enabled;
-                    $("webui_files_location_textarea").value = pref.alternative_webui_path;
+                    document.getElementById("use_alt_webui_checkbox").checked = pref.alternative_webui_enabled;
+                    document.getElementById("webui_files_location_textarea").value = pref.alternative_webui_path;
                     updateAlternativeWebUISettings();
 
                     // Security
-                    $("clickjacking_protection_checkbox").checked = pref.web_ui_clickjacking_protection_enabled;
-                    $("csrf_protection_checkbox").checked = pref.web_ui_csrf_protection_enabled;
-                    $("secureCookieCheckbox").checked = pref.web_ui_secure_cookie_enabled;
-                    $("host_header_validation_checkbox").checked = pref.web_ui_host_header_validation_enabled;
+                    document.getElementById("clickjacking_protection_checkbox").checked = pref.web_ui_clickjacking_protection_enabled;
+                    document.getElementById("csrf_protection_checkbox").checked = pref.web_ui_csrf_protection_enabled;
+                    document.getElementById("secureCookieCheckbox").checked = pref.web_ui_secure_cookie_enabled;
+                    document.getElementById("host_header_validation_checkbox").checked = pref.web_ui_host_header_validation_enabled;
                     updateHostHeaderValidationSettings();
 
                     // Custom HTTP headers
-                    $("webUIUseCustomHTTPHeadersCheckbox").checked = pref.web_ui_use_custom_http_headers_enabled;
-                    $("webUICustomHTTPHeadersTextarea").value = pref.web_ui_custom_http_headers;
+                    document.getElementById("webUIUseCustomHTTPHeadersCheckbox").checked = pref.web_ui_use_custom_http_headers_enabled;
+                    document.getElementById("webUICustomHTTPHeadersTextarea").value = pref.web_ui_custom_http_headers;
                     updateWebUICustomHTTPHeadersSettings();
 
                     // Reverse Proxy
-                    $("webUIReverseProxySupportCheckbox").checked = pref.web_ui_reverse_proxy_enabled;
-                    $("webUIReverseProxiesListTextarea").value = pref.web_ui_reverse_proxies_list;
+                    document.getElementById("webUIReverseProxySupportCheckbox").checked = pref.web_ui_reverse_proxy_enabled;
+                    document.getElementById("webUIReverseProxiesListTextarea").value = pref.web_ui_reverse_proxies_list;
                     updateWebUIReverseProxySettings();
 
                     // Update my dynamic domain name
-                    $("use_dyndns_checkbox").checked = pref.dyndns_enabled;
-                    $("dyndns_select").value = pref.dyndns_service;
-                    $("dyndns_domain_text").value = pref.dyndns_domain;
-                    $("dyndns_username_text").value = pref.dyndns_username;
-                    $("dyndns_password_text").value = pref.dyndns_password;
+                    document.getElementById("use_dyndns_checkbox").checked = pref.dyndns_enabled;
+                    document.getElementById("dyndns_select").value = pref.dyndns_service;
+                    document.getElementById("dyndns_domain_text").value = pref.dyndns_domain;
+                    document.getElementById("dyndns_username_text").value = pref.dyndns_username;
+                    document.getElementById("dyndns_password_text").value = pref.dyndns_password;
                     updateDynDnsSettings();
 
                     // Advanced settings
                     // qBittorrent section
-                    $("resumeDataStorageType").value = pref.resume_data_storage_type;
-                    $("torrentContentRemoveOption").value = pref.torrent_content_remove_option;
-                    $("memoryWorkingSetLimit").value = pref.memory_working_set_limit;
+                    document.getElementById("resumeDataStorageType").value = pref.resume_data_storage_type;
+                    document.getElementById("torrentContentRemoveOption").value = pref.torrent_content_remove_option;
+                    document.getElementById("memoryWorkingSetLimit").value = pref.memory_working_set_limit;
                     updateNetworkInterfaces(pref.current_network_interface, pref.current_interface_name);
                     updateInterfaceAddresses(pref.current_network_interface, pref.current_interface_address);
-                    $("saveResumeDataInterval").value = pref.save_resume_data_interval;
-                    $("saveStatisticsInterval").value = pref.save_statistics_interval;
-                    $("torrentFileSizeLimit").value = (pref.torrent_file_size_limit / 1024 / 1024);
+                    document.getElementById("saveResumeDataInterval").value = pref.save_resume_data_interval;
+                    document.getElementById("saveStatisticsInterval").value = pref.save_statistics_interval;
+                    document.getElementById("torrentFileSizeLimit").value = (pref.torrent_file_size_limit / 1024 / 1024);
                     document.getElementById("confirmTorrentRecheck").checked = pref.confirm_torrent_recheck;
-                    $("recheckTorrentsOnCompletion").checked = pref.recheck_completed_torrents;
-                    $("appInstanceName").value = pref.app_instance_name;
-                    $("refreshInterval").value = pref.refresh_interval;
-                    $("resolvePeerCountries").checked = pref.resolve_peer_countries;
-                    $("reannounceWhenAddressChanged").checked = pref.reannounce_when_address_changed;
-                    $("enableEmbeddedTracker").checked = pref.enable_embedded_tracker;
-                    $("embeddedTrackerPort").value = pref.embedded_tracker_port;
-                    $("embeddedTrackerPortForwarding").checked = pref.embedded_tracker_port_forwarding;
-                    $("markOfTheWeb").checked = pref.mark_of_the_web;
-                    $("ignoreSSLErrors").checked = pref.ignore_ssl_errors;
-                    $("pythonExecutablePath").value = pref.python_executable_path;
+                    document.getElementById("recheckTorrentsOnCompletion").checked = pref.recheck_completed_torrents;
+                    document.getElementById("appInstanceName").value = pref.app_instance_name;
+                    document.getElementById("refreshInterval").value = pref.refresh_interval;
+                    document.getElementById("resolvePeerCountries").checked = pref.resolve_peer_countries;
+                    document.getElementById("reannounceWhenAddressChanged").checked = pref.reannounce_when_address_changed;
+                    document.getElementById("enableEmbeddedTracker").checked = pref.enable_embedded_tracker;
+                    document.getElementById("embeddedTrackerPort").value = pref.embedded_tracker_port;
+                    document.getElementById("embeddedTrackerPortForwarding").checked = pref.embedded_tracker_port_forwarding;
+                    document.getElementById("markOfTheWeb").checked = pref.mark_of_the_web;
+                    document.getElementById("ignoreSSLErrors").checked = pref.ignore_ssl_errors;
+                    document.getElementById("pythonExecutablePath").value = pref.python_executable_path;
                     // libtorrent section
-                    $("bdecodeDepthLimit").value = pref.bdecode_depth_limit;
-                    $("bdecodeTokenLimit").value = pref.bdecode_token_limit;
-                    $("asyncIOThreads").value = pref.async_io_threads;
-                    $("hashingThreads").value = pref.hashing_threads;
-                    $("filePoolSize").value = pref.file_pool_size;
-                    $("outstandMemoryWhenCheckingTorrents").value = pref.checking_memory_use;
-                    $("diskCache").value = pref.disk_cache;
-                    $("diskCacheExpiryInterval").value = pref.disk_cache_ttl;
-                    $("diskQueueSize").value = (pref.disk_queue_size / 1024);
-                    $("diskIOType").value = pref.disk_io_type;
-                    $("diskIOReadMode").value = pref.disk_io_read_mode;
-                    $("diskIOWriteMode").value = pref.disk_io_write_mode;
-                    $("coalesceReadsAndWrites").checked = pref.enable_coalesce_read_write;
-                    $("pieceExtentAffinity").checked = pref.enable_piece_extent_affinity;
-                    $("sendUploadPieceSuggestions").checked = pref.enable_upload_suggestions;
-                    $("sendBufferWatermark").value = pref.send_buffer_watermark;
-                    $("sendBufferLowWatermark").value = pref.send_buffer_low_watermark;
-                    $("sendBufferWatermarkFactor").value = pref.send_buffer_watermark_factor;
-                    $("connectionSpeed").value = pref.connection_speed;
-                    $("socketSendBufferSize").value = (pref.socket_send_buffer_size / 1024);
-                    $("socketReceiveBufferSize").value = (pref.socket_receive_buffer_size / 1024);
-                    $("socketBacklogSize").value = pref.socket_backlog_size;
-                    $("outgoingPortsMin").value = pref.outgoing_ports_min;
-                    $("outgoingPortsMax").value = pref.outgoing_ports_max;
-                    $("UPnPLeaseDuration").value = pref.upnp_lease_duration;
-                    $("peerToS").value = pref.peer_tos;
-                    $("utpTCPMixedModeAlgorithm").value = pref.utp_tcp_mixed_mode;
-                    $("hostnameCacheTTL").value = pref.hostname_cache_ttl;
-                    $("IDNSupportCheckbox").checked = pref.idn_support_enabled;
-                    $("allowMultipleConnectionsFromTheSameIPAddress").checked = pref.enable_multi_connections_from_same_ip;
-                    $("validateHTTPSTrackerCertificate").checked = pref.validate_https_tracker_certificate;
-                    $("mitigateSSRF").checked = pref.ssrf_mitigation;
-                    $("blockPeersOnPrivilegedPorts").checked = pref.block_peers_on_privileged_ports;
-                    $("uploadSlotsBehavior").value = pref.upload_slots_behavior;
-                    $("uploadChokingAlgorithm").value = pref.upload_choking_algorithm;
-                    $("announceAllTrackers").checked = pref.announce_to_all_trackers;
-                    $("announceAllTiers").checked = pref.announce_to_all_tiers;
-                    $("announceIP").value = pref.announce_ip;
-                    $("announcePort").value = pref.announce_port;
-                    $("maxConcurrentHTTPAnnounces").value = pref.max_concurrent_http_announces;
-                    $("stopTrackerTimeout").value = pref.stop_tracker_timeout;
-                    $("peerTurnover").value = pref.peer_turnover;
-                    $("peerTurnoverCutoff").value = pref.peer_turnover_cutoff;
-                    $("peerTurnoverInterval").value = pref.peer_turnover_interval;
-                    $("requestQueueSize").value = pref.request_queue_size;
-                    $("dhtBootstrapNodes").value = pref.dht_bootstrap_nodes;
-                    $("i2pInboundQuantity").value = pref.i2p_inbound_quantity;
-                    $("i2pOutboundQuantity").value = pref.i2p_outbound_quantity;
-                    $("i2pInboundLength").value = pref.i2p_inbound_length;
-                    $("i2pOutboundLength").value = pref.i2p_outbound_length;
+                    document.getElementById("bdecodeDepthLimit").value = pref.bdecode_depth_limit;
+                    document.getElementById("bdecodeTokenLimit").value = pref.bdecode_token_limit;
+                    document.getElementById("asyncIOThreads").value = pref.async_io_threads;
+                    document.getElementById("hashingThreads").value = pref.hashing_threads;
+                    document.getElementById("filePoolSize").value = pref.file_pool_size;
+                    document.getElementById("outstandMemoryWhenCheckingTorrents").value = pref.checking_memory_use;
+                    document.getElementById("diskCache").value = pref.disk_cache;
+                    document.getElementById("diskCacheExpiryInterval").value = pref.disk_cache_ttl;
+                    document.getElementById("diskQueueSize").value = (pref.disk_queue_size / 1024);
+                    document.getElementById("diskIOType").value = pref.disk_io_type;
+                    document.getElementById("diskIOReadMode").value = pref.disk_io_read_mode;
+                    document.getElementById("diskIOWriteMode").value = pref.disk_io_write_mode;
+                    document.getElementById("coalesceReadsAndWrites").checked = pref.enable_coalesce_read_write;
+                    document.getElementById("pieceExtentAffinity").checked = pref.enable_piece_extent_affinity;
+                    document.getElementById("sendUploadPieceSuggestions").checked = pref.enable_upload_suggestions;
+                    document.getElementById("sendBufferWatermark").value = pref.send_buffer_watermark;
+                    document.getElementById("sendBufferLowWatermark").value = pref.send_buffer_low_watermark;
+                    document.getElementById("sendBufferWatermarkFactor").value = pref.send_buffer_watermark_factor;
+                    document.getElementById("connectionSpeed").value = pref.connection_speed;
+                    document.getElementById("socketSendBufferSize").value = (pref.socket_send_buffer_size / 1024);
+                    document.getElementById("socketReceiveBufferSize").value = (pref.socket_receive_buffer_size / 1024);
+                    document.getElementById("socketBacklogSize").value = pref.socket_backlog_size;
+                    document.getElementById("outgoingPortsMin").value = pref.outgoing_ports_min;
+                    document.getElementById("outgoingPortsMax").value = pref.outgoing_ports_max;
+                    document.getElementById("UPnPLeaseDuration").value = pref.upnp_lease_duration;
+                    document.getElementById("peerToS").value = pref.peer_tos;
+                    document.getElementById("utpTCPMixedModeAlgorithm").value = pref.utp_tcp_mixed_mode;
+                    document.getElementById("hostnameCacheTTL").value = pref.hostname_cache_ttl;
+                    document.getElementById("IDNSupportCheckbox").checked = pref.idn_support_enabled;
+                    document.getElementById("allowMultipleConnectionsFromTheSameIPAddress").checked = pref.enable_multi_connections_from_same_ip;
+                    document.getElementById("validateHTTPSTrackerCertificate").checked = pref.validate_https_tracker_certificate;
+                    document.getElementById("mitigateSSRF").checked = pref.ssrf_mitigation;
+                    document.getElementById("blockPeersOnPrivilegedPorts").checked = pref.block_peers_on_privileged_ports;
+                    document.getElementById("uploadSlotsBehavior").value = pref.upload_slots_behavior;
+                    document.getElementById("uploadChokingAlgorithm").value = pref.upload_choking_algorithm;
+                    document.getElementById("announceAllTrackers").checked = pref.announce_to_all_trackers;
+                    document.getElementById("announceAllTiers").checked = pref.announce_to_all_tiers;
+                    document.getElementById("announceIP").value = pref.announce_ip;
+                    document.getElementById("announcePort").value = pref.announce_port;
+                    document.getElementById("maxConcurrentHTTPAnnounces").value = pref.max_concurrent_http_announces;
+                    document.getElementById("stopTrackerTimeout").value = pref.stop_tracker_timeout;
+                    document.getElementById("peerTurnover").value = pref.peer_turnover;
+                    document.getElementById("peerTurnoverCutoff").value = pref.peer_turnover_cutoff;
+                    document.getElementById("peerTurnoverInterval").value = pref.peer_turnover_interval;
+                    document.getElementById("requestQueueSize").value = pref.request_queue_size;
+                    document.getElementById("dhtBootstrapNodes").value = pref.dht_bootstrap_nodes;
+                    document.getElementById("i2pInboundQuantity").value = pref.i2p_inbound_quantity;
+                    document.getElementById("i2pOutboundQuantity").value = pref.i2p_outbound_quantity;
+                    document.getElementById("i2pInboundLength").value = pref.i2p_inbound_length;
+                    document.getElementById("i2pOutboundLength").value = pref.i2p_outbound_length;
                 }
             });
         };
@@ -2647,7 +2647,7 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
 
             // Behavior tab
             // Language
-            settings["locale"] = $("locale_select").value;
+            settings["locale"] = document.getElementById("locale_select").value;
             const colorScheme = Number(document.getElementById("colorSchemeSelect").value);
             if (colorScheme === 0)
                 LocalPreferences.remove("color_scheme");
@@ -2655,52 +2655,52 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
                 LocalPreferences.set("color_scheme", "light");
             else
                 LocalPreferences.set("color_scheme", "dark");
-            settings["status_bar_external_ip"] = $("statusBarExternalIP").checked;
-            settings["performance_warning"] = $("performanceWarning").checked;
+            settings["status_bar_external_ip"] = document.getElementById("statusBarExternalIP").checked;
+            settings["performance_warning"] = document.getElementById("performanceWarning").checked;
             LocalPreferences.set("full_url_tracker_column", document.getElementById("displayFullURLTrackerColumn").checked.toString());
             LocalPreferences.set("use_virtual_list", document.getElementById("useVirtualList").checked.toString());
             LocalPreferences.set("hide_zero_status_filters", document.getElementById("hideZeroFiltersCheckbox").checked.toString());
-            LocalPreferences.set("dblclick_download", $("dblclickDownloadSelect").value);
-            LocalPreferences.set("dblclick_complete", $("dblclickCompleteSelect").value);
+            LocalPreferences.set("dblclick_download", document.getElementById("dblclickDownloadSelect").value);
+            LocalPreferences.set("dblclick_complete", document.getElementById("dblclickCompleteSelect").value);
             settings["confirm_torrent_deletion"] = document.getElementById("confirmTorrentDeletion").checked;
             LocalPreferences.set("use_alt_row_colors", document.getElementById("useAltRowColorsInput").checked.toString());
-            settings["file_log_enabled"] = $("filelog_checkbox").checked;
-            settings["file_log_path"] = $("filelog_save_path_input").value;
-            settings["file_log_backup_enabled"] = $("filelog_backup_checkbox").checked;
-            settings["file_log_max_size"] = Number($("filelog_max_size_input").value);
-            settings["file_log_delete_old"] = $("filelog_delete_old_checkbox").checked;
-            settings["file_log_age"] = Number($("filelog_age_input").value);
-            settings["file_log_age_type"] = Number($("filelog_age_type_select").value);
+            settings["file_log_enabled"] = document.getElementById("filelog_checkbox").checked;
+            settings["file_log_path"] = document.getElementById("filelog_save_path_input").value;
+            settings["file_log_backup_enabled"] = document.getElementById("filelog_backup_checkbox").checked;
+            settings["file_log_max_size"] = Number(document.getElementById("filelog_max_size_input").value);
+            settings["file_log_delete_old"] = document.getElementById("filelog_delete_old_checkbox").checked;
+            settings["file_log_age"] = Number(document.getElementById("filelog_age_input").value);
+            settings["file_log_age_type"] = Number(document.getElementById("filelog_age_type_select").value);
 
             // Downloads tab
             // When adding a torrent
-            settings["torrent_content_layout"] = $("contentlayout_select").getSelected()[0].value;
-            settings["add_to_top_of_queue"] = $("addToTopOfQueueCheckbox").checked;
-            settings["add_stopped_enabled"] = $("dontstartdownloads_checkbox").checked;
-            settings["torrent_stop_condition"] = $("stopConditionSelect").getSelected()[0].value;
+            settings["torrent_content_layout"] = document.getElementById("contentlayout_select").getSelected()[0].value;
+            settings["add_to_top_of_queue"] = document.getElementById("addToTopOfQueueCheckbox").checked;
+            settings["add_stopped_enabled"] = document.getElementById("dontstartdownloads_checkbox").checked;
+            settings["torrent_stop_condition"] = document.getElementById("stopConditionSelect").getSelected()[0].value;
             settings["merge_trackers"] = document.getElementById("mergeTrackersInput").checked;
-            settings["auto_delete_mode"] = Number($("deletetorrentfileafter_checkbox").checked);
+            settings["auto_delete_mode"] = Number(document.getElementById("deletetorrentfileafter_checkbox").checked);
 
-            settings["preallocate_all"] = $("preallocateall_checkbox").checked;
-            settings["incomplete_files_ext"] = $("appendext_checkbox").checked;
-            settings["use_unwanted_folder"] = $("unwantedfolder_checkbox").checked;
+            settings["preallocate_all"] = document.getElementById("preallocateall_checkbox").checked;
+            settings["incomplete_files_ext"] = document.getElementById("appendext_checkbox").checked;
+            settings["use_unwanted_folder"] = document.getElementById("unwantedfolder_checkbox").checked;
 
             // Saving Management
-            settings["auto_tmm_enabled"] = ($("default_tmm_combobox").value === "true");
-            settings["torrent_changed_tmm_enabled"] = ($("torrent_changed_tmm_combobox").value === "true");
-            settings["save_path_changed_tmm_enabled"] = ($("save_path_changed_tmm_combobox").value === "true");
-            settings["category_changed_tmm_enabled"] = ($("category_changed_tmm_combobox").value === "true");
-            settings["use_subcategories"] = $("use_subcategories_checkbox").checked;
+            settings["auto_tmm_enabled"] = (document.getElementById("default_tmm_combobox").value === "true");
+            settings["torrent_changed_tmm_enabled"] = (document.getElementById("torrent_changed_tmm_combobox").value === "true");
+            settings["save_path_changed_tmm_enabled"] = (document.getElementById("save_path_changed_tmm_combobox").value === "true");
+            settings["category_changed_tmm_enabled"] = (document.getElementById("category_changed_tmm_combobox").value === "true");
+            settings["use_subcategories"] = document.getElementById("use_subcategories_checkbox").checked;
             settings["use_category_paths_in_manual_mode"] = document.getElementById("categoryPathsManualModeCheckbox").checked;
-            settings["save_path"] = $("savepath_text").value;
-            settings["temp_path_enabled"] = $("temppath_checkbox").checked;
-            settings["temp_path"] = $("temppath_text").value;
-            if ($("exportdir_checkbox").checked)
-                settings["export_dir"] = $("exportdir_text").value;
+            settings["save_path"] = document.getElementById("savepath_text").value;
+            settings["temp_path_enabled"] = document.getElementById("temppath_checkbox").checked;
+            settings["temp_path"] = document.getElementById("temppath_text").value;
+            if (document.getElementById("exportdir_checkbox").checked)
+                settings["export_dir"] = document.getElementById("exportdir_text").value;
             else
                 settings["export_dir"] = "";
-            if ($("exportdirfin_checkbox").checked)
-                settings["export_dir_fin"] = $("exportdirfin_text").value;
+            if (document.getElementById("exportdirfin_checkbox").checked)
+                settings["export_dir_fin"] = document.getElementById("exportdirfin_text").value;
             else
                 settings["export_dir_fin"] = "";
 
@@ -2708,40 +2708,40 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
             settings["scan_dirs"] = getWatchedFolders();
 
             // Excluded file names
-            settings["excluded_file_names_enabled"] = $("excludedFileNamesCheckbox").checked;
-            settings["excluded_file_names"] = $("excludedFileNamesTextarea").value;
+            settings["excluded_file_names_enabled"] = document.getElementById("excludedFileNamesCheckbox").checked;
+            settings["excluded_file_names"] = document.getElementById("excludedFileNamesTextarea").value;
 
             // Email notification upon download completion
-            settings["mail_notification_enabled"] = $("mail_notification_checkbox").checked;
-            settings["mail_notification_sender"] = $("src_email_txt").value;
-            settings["mail_notification_email"] = $("dest_email_txt").value;
-            settings["mail_notification_smtp"] = $("smtp_server_txt").value;
-            settings["mail_notification_ssl_enabled"] = $("mail_ssl_checkbox").checked;
-            settings["mail_notification_auth_enabled"] = $("mail_auth_checkbox").checked;
-            settings["mail_notification_username"] = $("mail_username_text").value;
-            settings["mail_notification_password"] = $("mail_password_text").value;
+            settings["mail_notification_enabled"] = document.getElementById("mail_notification_checkbox").checked;
+            settings["mail_notification_sender"] = document.getElementById("src_email_txt").value;
+            settings["mail_notification_email"] = document.getElementById("dest_email_txt").value;
+            settings["mail_notification_smtp"] = document.getElementById("smtp_server_txt").value;
+            settings["mail_notification_ssl_enabled"] = document.getElementById("mail_ssl_checkbox").checked;
+            settings["mail_notification_auth_enabled"] = document.getElementById("mail_auth_checkbox").checked;
+            settings["mail_notification_username"] = document.getElementById("mail_username_text").value;
+            settings["mail_notification_password"] = document.getElementById("mail_password_text").value;
 
             // Run an external program on torrent added
-            settings["autorun_on_torrent_added_enabled"] = $("autorunOnTorrentAddedCheckbox").checked;
-            settings["autorun_on_torrent_added_program"] = $("autorunOnTorrentAddedProgram").value;
+            settings["autorun_on_torrent_added_enabled"] = document.getElementById("autorunOnTorrentAddedCheckbox").checked;
+            settings["autorun_on_torrent_added_program"] = document.getElementById("autorunOnTorrentAddedProgram").value;
             // Run an external program on torrent finished
-            settings["autorun_enabled"] = $("autorun_checkbox").checked;
-            settings["autorun_program"] = $("autorunProg_txt").value;
+            settings["autorun_enabled"] = document.getElementById("autorun_checkbox").checked;
+            settings["autorun_program"] = document.getElementById("autorunProg_txt").value;
 
             // Connection tab
             // Listening Port
-            const listenPort = Number($("portValue").value);
+            const listenPort = Number(document.getElementById("portValue").value);
             if (Number.isNaN(listenPort) || (listenPort < 0) || (listenPort > 65535)) {
                 alert("QBT_TR(The port used for incoming connections must be between 0 and 65535.)QBT_TR[CONTEXT=HttpServer]");
                 return;
             }
             settings["listen_port"] = listenPort;
-            settings["upnp"] = $("upnpCheckbox").checked;
+            settings["upnp"] = document.getElementById("upnpCheckbox").checked;
 
             // Connections Limits
             let maxConnec = -1;
-            if ($("maxConnectionsCheckbox").checked) {
-                maxConnec = Number($("maxConnectionsValue").value);
+            if (document.getElementById("maxConnectionsCheckbox").checked) {
+                maxConnec = Number(document.getElementById("maxConnectionsValue").value);
                 if (Number.isNaN(maxConnec) || (maxConnec <= 0)) {
                     alert("QBT_TR(Maximum number of connections limit must be greater than 0 or disabled.)QBT_TR[CONTEXT=HttpServer]");
                     return;
@@ -2750,8 +2750,8 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
             settings["max_connec"] = maxConnec;
 
             let maxConnecPerTorrent = -1;
-            if ($("maxConnectionsPerTorrentCheckbox").checked) {
-                maxConnecPerTorrent = Number($("maxConnectionsPerTorrentValue").value);
+            if (document.getElementById("maxConnectionsPerTorrentCheckbox").checked) {
+                maxConnecPerTorrent = Number(document.getElementById("maxConnectionsPerTorrentValue").value);
                 if (Number.isNaN(maxConnecPerTorrent) || (maxConnecPerTorrent <= 0)) {
                     alert("QBT_TR(Maximum number of connections per torrent limit must be greater than 0 or disabled.)QBT_TR[CONTEXT=HttpServer]");
                     return;
@@ -2760,8 +2760,8 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
             settings["max_connec_per_torrent"] = maxConnecPerTorrent;
 
             let maxUploads = -1;
-            if ($("maxUploadsCheckbox").checked) {
-                maxUploads = Number($("max_uploads_value").value);
+            if (document.getElementById("maxUploadsCheckbox").checked) {
+                maxUploads = Number(document.getElementById("max_uploads_value").value);
                 if (Number.isNaN(maxUploads) || (maxUploads <= 0)) {
                     alert("QBT_TR(Global number of upload slots limit must be greater than 0 or disabled.)QBT_TR[CONTEXT=HttpServer]");
                     return;
@@ -2770,8 +2770,8 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
             settings["max_uploads"] = maxUploads;
 
             let maxUploadsPerTorrent = -1;
-            if ($("maxUploadsPerTorrentCheckbox").checked) {
-                maxUploadsPerTorrent = Number($("maxUploadsPerTorrentValue").value);
+            if (document.getElementById("maxUploadsPerTorrentCheckbox").checked) {
+                maxUploadsPerTorrent = Number(document.getElementById("maxUploadsPerTorrentValue").value);
                 if (Number.isNaN(maxUploadsPerTorrent) || (maxUploadsPerTorrent <= 0)) {
                     alert("QBT_TR(Maximum number of upload slots per torrent limit must be greater than 0 or disabled.)QBT_TR[CONTEXT=HttpServer]");
                     return;
@@ -2780,40 +2780,40 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
             settings["max_uploads_per_torrent"] = maxUploadsPerTorrent;
 
             // I2P
-            settings["i2p_enabled"] = $("i2pEnabledCheckbox").checked;
-            settings["i2p_address"] = $("i2pAddress").value;
-            settings["i2p_port"] = Number($("i2pPort").value);
-            settings["i2p_mixed_mode"] = $("i2pMixedMode").checked;
+            settings["i2p_enabled"] = document.getElementById("i2pEnabledCheckbox").checked;
+            settings["i2p_address"] = document.getElementById("i2pAddress").value;
+            settings["i2p_port"] = Number(document.getElementById("i2pPort").value);
+            settings["i2p_mixed_mode"] = document.getElementById("i2pMixedMode").checked;
 
             // Proxy Server
-            settings["proxy_type"] = $("peer_proxy_type_select").value;
-            settings["proxy_ip"] = $("peer_proxy_host_text").value;
-            settings["proxy_port"] = Number($("peer_proxy_port_value").value);
-            settings["proxy_auth_enabled"] = $("peer_proxy_auth_checkbox").checked;
-            settings["proxy_username"] = $("peer_proxy_username_text").value;
-            settings["proxy_password"] = $("peer_proxy_password_text").value;
-            settings["proxy_hostname_lookup"] = $("proxyHostnameLookupCheckbox").checked;
-            settings["proxy_bittorrent"] = $("proxy_bittorrent_checkbox").checked;
-            settings["proxy_peer_connections"] = $("use_peer_proxy_checkbox").checked;
-            settings["proxy_rss"] = $("proxy_rss_checkbox").checked;
-            settings["proxy_misc"] = $("proxy_misc_checkbox").checked;
+            settings["proxy_type"] = document.getElementById("peer_proxy_type_select").value;
+            settings["proxy_ip"] = document.getElementById("peer_proxy_host_text").value;
+            settings["proxy_port"] = Number(document.getElementById("peer_proxy_port_value").value);
+            settings["proxy_auth_enabled"] = document.getElementById("peer_proxy_auth_checkbox").checked;
+            settings["proxy_username"] = document.getElementById("peer_proxy_username_text").value;
+            settings["proxy_password"] = document.getElementById("peer_proxy_password_text").value;
+            settings["proxy_hostname_lookup"] = document.getElementById("proxyHostnameLookupCheckbox").checked;
+            settings["proxy_bittorrent"] = document.getElementById("proxy_bittorrent_checkbox").checked;
+            settings["proxy_peer_connections"] = document.getElementById("use_peer_proxy_checkbox").checked;
+            settings["proxy_rss"] = document.getElementById("proxy_rss_checkbox").checked;
+            settings["proxy_misc"] = document.getElementById("proxy_misc_checkbox").checked;
 
             // IP Filtering
-            settings["ip_filter_enabled"] = $("ipfilter_text_checkbox").checked;
-            settings["ip_filter_path"] = $("ipfilter_text").value;
-            settings["ip_filter_trackers"] = $("ipfilter_trackers_checkbox").checked;
-            settings["banned_IPs"] = $("banned_IPs_textarea").value;
+            settings["ip_filter_enabled"] = document.getElementById("ipfilter_text_checkbox").checked;
+            settings["ip_filter_path"] = document.getElementById("ipfilter_text").value;
+            settings["ip_filter_trackers"] = document.getElementById("ipfilter_trackers_checkbox").checked;
+            settings["banned_IPs"] = document.getElementById("banned_IPs_textarea").value;
 
             // Speed tab
             // Global Rate Limits
-            const upLimit = Number($("upLimitValue").value) * 1024;
+            const upLimit = Number(document.getElementById("upLimitValue").value) * 1024;
             if (Number.isNaN(upLimit) || (upLimit < 0)) {
                 alert("QBT_TR(Global upload rate limit must be greater than 0 or disabled.)QBT_TR[CONTEXT=HttpServer]");
                 return;
             }
             settings["up_limit"] = upLimit;
 
-            const dlLimit = Number($("dlLimitValue").value) * 1024;
+            const dlLimit = Number(document.getElementById("dlLimitValue").value) * 1024;
             if (Number.isNaN(dlLimit) || (dlLimit < 0)) {
                 alert("QBT_TR(Global download rate limit must be greater than 0 or disabled.)QBT_TR[CONTEXT=HttpServer]");
                 return;
@@ -2821,86 +2821,86 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
             settings["dl_limit"] = dlLimit;
 
             // Alternative Global Rate Limits
-            const altUpLimit = Number($("altUpLimitValue").value) * 1024;
+            const altUpLimit = Number(document.getElementById("altUpLimitValue").value) * 1024;
             if (Number.isNaN(altUpLimit) || (altUpLimit < 0)) {
                 alert("QBT_TR(Alternative upload rate limit must be greater than 0 or disabled.)QBT_TR[CONTEXT=HttpServer]");
                 return;
             }
             settings["alt_up_limit"] = altUpLimit;
 
-            const altDlLimit = Number($("altDlLimitValue").value) * 1024;
+            const altDlLimit = Number(document.getElementById("altDlLimitValue").value) * 1024;
             if (Number.isNaN(altDlLimit) || (altDlLimit < 0)) {
                 alert("QBT_TR(Alternative download rate limit must be greater than 0 or disabled.)QBT_TR[CONTEXT=HttpServer]");
                 return;
             }
             settings["alt_dl_limit"] = altDlLimit;
 
-            settings["bittorrent_protocol"] = Number($("enable_protocol_combobox").value);
-            settings["limit_utp_rate"] = $("limit_utp_rate_checkbox").checked;
-            settings["limit_tcp_overhead"] = $("limit_tcp_overhead_checkbox").checked;
-            settings["limit_lan_peers"] = $("limit_lan_peers_checkbox").checked;
+            settings["bittorrent_protocol"] = Number(document.getElementById("enable_protocol_combobox").value);
+            settings["limit_utp_rate"] = document.getElementById("limit_utp_rate_checkbox").checked;
+            settings["limit_tcp_overhead"] = document.getElementById("limit_tcp_overhead_checkbox").checked;
+            settings["limit_lan_peers"] = document.getElementById("limit_lan_peers_checkbox").checked;
 
             // Scheduler
-            const schedulingEnabled = $("limitSchedulingCheckbox").checked;
+            const schedulingEnabled = document.getElementById("limitSchedulingCheckbox").checked;
             settings["scheduler_enabled"] = schedulingEnabled;
             if (schedulingEnabled) {
-                settings["schedule_from_hour"] = Number($("schedule_from_hour").value);
-                settings["schedule_from_min"] = Number($("schedule_from_min").value);
-                settings["schedule_to_hour"] = Number($("schedule_to_hour").value);
-                settings["schedule_to_min"] = Number($("schedule_to_min").value);
-                settings["scheduler_days"] = Number($("schedule_freq_select").value);
+                settings["schedule_from_hour"] = Number(document.getElementById("schedule_from_hour").value);
+                settings["schedule_from_min"] = Number(document.getElementById("schedule_from_min").value);
+                settings["schedule_to_hour"] = Number(document.getElementById("schedule_to_hour").value);
+                settings["schedule_to_min"] = Number(document.getElementById("schedule_to_min").value);
+                settings["scheduler_days"] = Number(document.getElementById("schedule_freq_select").value);
             }
 
             // Bittorrent tab
             // Privacy
-            settings["dht"] = $("dht_checkbox").checked;
-            settings["pex"] = $("pex_checkbox").checked;
-            settings["lsd"] = $("lsd_checkbox").checked;
-            settings["encryption"] = Number($("encryption_select").getSelected()[0].value);
-            settings["anonymous_mode"] = $("anonymous_mode_checkbox").checked;
+            settings["dht"] = document.getElementById("dht_checkbox").checked;
+            settings["pex"] = document.getElementById("pex_checkbox").checked;
+            settings["lsd"] = document.getElementById("lsd_checkbox").checked;
+            settings["encryption"] = Number(document.getElementById("encryption_select").getSelected()[0].value);
+            settings["anonymous_mode"] = document.getElementById("anonymous_mode_checkbox").checked;
 
-            settings["max_active_checking_torrents"] = Number($("maxActiveCheckingTorrents").value);
+            settings["max_active_checking_torrents"] = Number(document.getElementById("maxActiveCheckingTorrents").value);
 
             // Torrent Queueing
-            settings["queueing_enabled"] = $("queueingCheckbox").checked;
-            if ($("queueingCheckbox").checked) {
-                const maxActiveDownloads = Number($("maxActiveDlValue").value);
+            settings["queueing_enabled"] = document.getElementById("queueingCheckbox").checked;
+            if (document.getElementById("queueingCheckbox").checked) {
+                const maxActiveDownloads = Number(document.getElementById("maxActiveDlValue").value);
                 if (Number.isNaN(maxActiveDownloads) || (maxActiveDownloads < -1)) {
                     alert("QBT_TR(Maximum active downloads must be greater than -1.)QBT_TR[CONTEXT=HttpServer]");
                     return;
                 }
                 settings["max_active_downloads"] = maxActiveDownloads;
 
-                const maxActiveUploads = Number($("maxActiveUpValue").value);
+                const maxActiveUploads = Number(document.getElementById("maxActiveUpValue").value);
                 if (Number.isNaN(maxActiveUploads) || (maxActiveUploads < -1)) {
                     alert("QBT_TR(Maximum active uploads must be greater than -1.)QBT_TR[CONTEXT=HttpServer]");
                     return;
                 }
                 settings["max_active_uploads"] = maxActiveUploads;
 
-                const maxActiveTorrents = Number($("maxActiveToValue").value);
+                const maxActiveTorrents = Number(document.getElementById("maxActiveToValue").value);
                 if (Number.isNaN(maxActiveTorrents) || (maxActiveTorrents < -1)) {
                     alert("QBT_TR(Maximum active torrents must be greater than -1.)QBT_TR[CONTEXT=HttpServer]");
                     return;
                 }
                 settings["max_active_torrents"] = maxActiveTorrents;
-                settings["dont_count_slow_torrents"] = $("dontCountSlowTorrentsCheckbox").checked;
+                settings["dont_count_slow_torrents"] = document.getElementById("dontCountSlowTorrentsCheckbox").checked;
 
-                const dlRateThreshold = Number($("dlRateThresholdValue").value);
+                const dlRateThreshold = Number(document.getElementById("dlRateThresholdValue").value);
                 if (Number.isNaN(dlRateThreshold) || (dlRateThreshold < 1)) {
                     alert("QBT_TR(Download rate threshold must be greater than 0.)QBT_TR[CONTEXT=HttpServer]");
                     return;
                 }
                 settings["slow_torrent_dl_rate_threshold"] = dlRateThreshold;
 
-                const ulRateThreshold = Number($("ulRateThresholdValue").value);
+                const ulRateThreshold = Number(document.getElementById("ulRateThresholdValue").value);
                 if (Number.isNaN(ulRateThreshold) || (ulRateThreshold < 1)) {
                     alert("QBT_TR(Upload rate threshold must be greater than 0.)QBT_TR[CONTEXT=HttpServer]");
                     return;
                 }
                 settings["slow_torrent_ul_rate_threshold"] = ulRateThreshold;
 
-                const torrentInactiveTimer = Number($("torrentInactiveTimerValue").value);
+                const torrentInactiveTimer = Number(document.getElementById("torrentInactiveTimerValue").value);
                 if (Number.isNaN(torrentInactiveTimer) || (torrentInactiveTimer < 1)) {
                     alert("QBT_TR(Torrent inactivity timer must be greater than 0.)QBT_TR[CONTEXT=HttpServer]");
                     return;
@@ -2910,78 +2910,78 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
 
             // Share Ratio Limiting
             let maxRatio = -1;
-            if ($("maxRatioCheckbox").checked) {
-                maxRatio = Number($("maxRatioValue").value);
-                if (isNaN(maxRatio) || (maxRatio < 0) || (maxRatio > 9998)) {
-                    alert("QBT_TR(Share ratio limit must be between 0 and 9998.)QBT_TR[CONTEXT=HttpServer]");
+            if (document.getElementById("maxRatioCheckbox").checked) {
+                maxRatio = Number(document.getElementById("maxRatioValue").value);
+                if (isNaN(maxRatio) || (maxRatio < 0)) {
+                    alert("QBT_TR(Share ratio limit must not have a negative value.)QBT_TR[CONTEXT=HttpServer]");
                     return;
                 }
             }
-            settings["max_ratio_enabled"] = $("maxRatioCheckbox").checked;
+            settings["max_ratio_enabled"] = document.getElementById("maxRatioCheckbox").checked;
             settings["max_ratio"] = maxRatio;
 
             let maxSeedingTime = -1;
-            if ($("maxSeedingTimeCheckbox").checked) {
-                maxSeedingTime = Number($("maxSeedingTimeValue").value);
-                if (Number.isNaN(maxSeedingTime) || (maxSeedingTime < 0) || (maxSeedingTime > 525600)) {
-                    alert("QBT_TR(Seeding time limit must be between 0 and 525600 minutes.)QBT_TR[CONTEXT=HttpServer]");
+            if (document.getElementById("maxSeedingTimeCheckbox").checked) {
+                maxSeedingTime = Number(document.getElementById("maxSeedingTimeValue").value);
+                if (Number.isNaN(maxSeedingTime) || (maxSeedingTime < 0)) {
+                    alert("QBT_TR(Seeding time limit must not have a negative value.)QBT_TR[CONTEXT=HttpServer]");
                     return;
                 }
             }
-            settings["max_seeding_time_enabled"] = $("maxSeedingTimeCheckbox").checked;
+            settings["max_seeding_time_enabled"] = document.getElementById("maxSeedingTimeCheckbox").checked;
             settings["max_seeding_time"] = maxSeedingTime;
 
             let maxInactiveSeedingTime = -1;
-            if ($("maxInactiveSeedingTimeCheckbox").checked) {
-                maxInactiveSeedingTime = Number($("maxInactiveSeedingTimeValue").value);
-                if (Number.isNaN(maxInactiveSeedingTime) || (maxInactiveSeedingTime < 0) || (maxInactiveSeedingTime > 525600)) {
-                    alert("QBT_TR(Seeding time limit must be between 0 and 525600 minutes.)QBT_TR[CONTEXT=HttpServer]");
+            if (document.getElementById("maxInactiveSeedingTimeCheckbox").checked) {
+                maxInactiveSeedingTime = Number(document.getElementById("maxInactiveSeedingTimeValue").value);
+                if (Number.isNaN(maxInactiveSeedingTime) || (maxInactiveSeedingTime < 0)) {
+                    alert("QBT_TR(Seeding time limit must not have a negative value.)QBT_TR[CONTEXT=HttpServer]");
                     return;
                 }
             }
-            settings["max_inactive_seeding_time_enabled"] = $("maxInactiveSeedingTimeCheckbox").checked;
+            settings["max_inactive_seeding_time_enabled"] = document.getElementById("maxInactiveSeedingTimeCheckbox").checked;
             settings["max_inactive_seeding_time"] = maxInactiveSeedingTime;
-            settings["max_ratio_act"] = Number($("maxRatioSelect").value);
+            settings["max_ratio_act"] = Number(document.getElementById("maxRatioSelect").value);
 
             // Add trackers
-            settings["add_trackers_enabled"] = $("add_trackers_checkbox").checked;
-            settings["add_trackers"] = $("add_trackers_textarea").value;
-            settings["add_trackers_from_url_enabled"] = $("addTrackersFromURLCheckbox").checked;
-            settings["add_trackers_url"] = $("addTrackersURL").value;
+            settings["add_trackers_enabled"] = document.getElementById("add_trackers_checkbox").checked;
+            settings["add_trackers"] = document.getElementById("add_trackers_textarea").value;
+            settings["add_trackers_from_url_enabled"] = document.getElementById("addTrackersFromURLCheckbox").checked;
+            settings["add_trackers_url"] = document.getElementById("addTrackersURL").value;
 
             // RSS Tab
-            settings["rss_processing_enabled"] = $("enable_fetching_rss_feeds_checkbox").checked;
-            settings["rss_refresh_interval"] = Number($("feed_refresh_interval").value);
-            settings["rss_fetch_delay"] = Number($("feedFetchDelay").value);
-            settings["rss_max_articles_per_feed"] = Number($("maximum_article_number").value);
-            settings["rss_auto_downloading_enabled"] = $("enable_auto_downloading_rss_torrents_checkbox").checked;
-            settings["rss_download_repack_proper_episodes"] = $("downlock_repack_proper_episodes").checked;
-            settings["rss_smart_episode_filters"] = $("rss_filter_textarea").value;
+            settings["rss_processing_enabled"] = document.getElementById("enable_fetching_rss_feeds_checkbox").checked;
+            settings["rss_refresh_interval"] = Number(document.getElementById("feed_refresh_interval").value);
+            settings["rss_fetch_delay"] = Number(document.getElementById("feedFetchDelay").value);
+            settings["rss_max_articles_per_feed"] = Number(document.getElementById("maximum_article_number").value);
+            settings["rss_auto_downloading_enabled"] = document.getElementById("enable_auto_downloading_rss_torrents_checkbox").checked;
+            settings["rss_download_repack_proper_episodes"] = document.getElementById("downlock_repack_proper_episodes").checked;
+            settings["rss_smart_episode_filters"] = document.getElementById("rss_filter_textarea").value;
 
             // WebUI tab
             // HTTP Server
-            settings["web_ui_domain_list"] = $("webuiDomainTextarea").value;
-            const webUIAddress = $("webuiAddressValue").value.toString();
-            const webUIPort = Number($("webuiPortValue").value);
+            settings["web_ui_domain_list"] = document.getElementById("webuiDomainTextarea").value;
+            const webUIAddress = document.getElementById("webuiAddressValue").value.toString();
+            const webUIPort = Number(document.getElementById("webuiPortValue").value);
             if (Number.isNaN(webUIPort) || (webUIPort < 1) || (webUIPort > 65535)) {
                 alert("QBT_TR(The port used for the WebUI must be between 1 and 65535.)QBT_TR[CONTEXT=HttpServer]");
                 return;
             }
             settings["web_ui_address"] = webUIAddress;
             settings["web_ui_port"] = webUIPort;
-            settings["web_ui_upnp"] = $("webuiUpnpCheckbox").checked;
+            settings["web_ui_upnp"] = document.getElementById("webuiUpnpCheckbox").checked;
 
-            const useHTTPS = $("use_https_checkbox").checked;
+            const useHTTPS = document.getElementById("use_https_checkbox").checked;
             settings["use_https"] = useHTTPS;
 
-            const httpsCertificate = $("ssl_cert_text").value;
+            const httpsCertificate = document.getElementById("ssl_cert_text").value;
             settings["web_ui_https_cert_path"] = httpsCertificate;
             if (useHTTPS && (httpsCertificate.length === 0)) {
                 alert("QBT_TR(HTTPS certificate should not be empty)QBT_TR[CONTEXT=OptionsDialog]");
                 return;
             }
 
-            const httpsKey = $("ssl_key_text").value;
+            const httpsKey = document.getElementById("ssl_key_text").value;
             settings["web_ui_https_key_path"] = httpsKey;
             if (useHTTPS && (httpsKey.length === 0)) {
                 alert("QBT_TR(HTTPS key should not be empty)QBT_TR[CONTEXT=OptionsDialog]");
@@ -2989,12 +2989,12 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
             }
 
             // Authentication
-            const web_ui_username = $("webui_username_text").value;
+            const web_ui_username = document.getElementById("webui_username_text").value;
             if (web_ui_username.length < 3) {
                 alert("QBT_TR(The WebUI username must be at least 3 characters long.)QBT_TR[CONTEXT=OptionsDialog]");
                 return;
             }
-            const web_ui_password = $("webui_password_text").value;
+            const web_ui_password = document.getElementById("webui_password_text").value;
             if ((0 < web_ui_password.length) && (web_ui_password.length < 6)) {
                 alert("QBT_TR(The WebUI password must be at least 6 characters long.)QBT_TR[CONTEXT=OptionsDialog]");
                 return;
@@ -3003,16 +3003,16 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
             settings["web_ui_username"] = web_ui_username;
             if (web_ui_password.length > 0)
                 settings["web_ui_password"] = web_ui_password;
-            settings["bypass_local_auth"] = $("bypass_local_auth_checkbox").checked;
-            settings["bypass_auth_subnet_whitelist_enabled"] = $("bypass_auth_subnet_whitelist_checkbox").checked;
-            settings["bypass_auth_subnet_whitelist"] = $("bypass_auth_subnet_whitelist_textarea").value;
-            settings["web_ui_max_auth_fail_count"] = Number($("webUIMaxAuthFailCountInput").value);
-            settings["web_ui_ban_duration"] = Number($("webUIBanDurationInput").value);
-            settings["web_ui_session_timeout"] = Number($("webUISessionTimeoutInput").value);
+            settings["bypass_local_auth"] = document.getElementById("bypass_local_auth_checkbox").checked;
+            settings["bypass_auth_subnet_whitelist_enabled"] = document.getElementById("bypass_auth_subnet_whitelist_checkbox").checked;
+            settings["bypass_auth_subnet_whitelist"] = document.getElementById("bypass_auth_subnet_whitelist_textarea").value;
+            settings["web_ui_max_auth_fail_count"] = Number(document.getElementById("webUIMaxAuthFailCountInput").value);
+            settings["web_ui_ban_duration"] = Number(document.getElementById("webUIBanDurationInput").value);
+            settings["web_ui_session_timeout"] = Number(document.getElementById("webUISessionTimeoutInput").value);
 
             // Use alternative WebUI
-            const alternative_webui_enabled = $("use_alt_webui_checkbox").checked;
-            const webui_files_location_textarea = $("webui_files_location_textarea").value;
+            const alternative_webui_enabled = document.getElementById("use_alt_webui_checkbox").checked;
+            const webui_files_location_textarea = document.getElementById("webui_files_location_textarea").value;
             if (alternative_webui_enabled && (webui_files_location_textarea.trim() === "")) {
                 alert("QBT_TR(The alternative WebUI files location cannot be blank.)QBT_TR[CONTEXT=OptionsDialog]");
                 return;
@@ -3021,105 +3021,105 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
             settings["alternative_webui_path"] = webui_files_location_textarea;
 
             // Security
-            settings["web_ui_clickjacking_protection_enabled"] = $("clickjacking_protection_checkbox").checked;
-            settings["web_ui_csrf_protection_enabled"] = $("csrf_protection_checkbox").checked;
-            settings["web_ui_secure_cookie_enabled"] = $("secureCookieCheckbox").checked;
-            settings["web_ui_host_header_validation_enabled"] = $("host_header_validation_checkbox").checked;
+            settings["web_ui_clickjacking_protection_enabled"] = document.getElementById("clickjacking_protection_checkbox").checked;
+            settings["web_ui_csrf_protection_enabled"] = document.getElementById("csrf_protection_checkbox").checked;
+            settings["web_ui_secure_cookie_enabled"] = document.getElementById("secureCookieCheckbox").checked;
+            settings["web_ui_host_header_validation_enabled"] = document.getElementById("host_header_validation_checkbox").checked;
 
             // Custom HTTP headers
-            settings["web_ui_use_custom_http_headers_enabled"] = $("webUIUseCustomHTTPHeadersCheckbox").checked;
-            settings["web_ui_custom_http_headers"] = $("webUICustomHTTPHeadersTextarea").value;
+            settings["web_ui_use_custom_http_headers_enabled"] = document.getElementById("webUIUseCustomHTTPHeadersCheckbox").checked;
+            settings["web_ui_custom_http_headers"] = document.getElementById("webUICustomHTTPHeadersTextarea").value;
 
             // Reverse Proxy
-            settings["web_ui_reverse_proxy_enabled"] = $("webUIReverseProxySupportCheckbox").checked;
-            settings["web_ui_reverse_proxies_list"] = $("webUIReverseProxiesListTextarea").value;
+            settings["web_ui_reverse_proxy_enabled"] = document.getElementById("webUIReverseProxySupportCheckbox").checked;
+            settings["web_ui_reverse_proxies_list"] = document.getElementById("webUIReverseProxiesListTextarea").value;
 
             // Update my dynamic domain name
-            settings["dyndns_enabled"] = $("use_dyndns_checkbox").checked;
-            settings["dyndns_service"] = Number($("dyndns_select").value);
-            settings["dyndns_domain"] = $("dyndns_domain_text").value;
-            settings["dyndns_username"] = $("dyndns_username_text").value;
-            settings["dyndns_password"] = $("dyndns_password_text").value;
+            settings["dyndns_enabled"] = document.getElementById("use_dyndns_checkbox").checked;
+            settings["dyndns_service"] = Number(document.getElementById("dyndns_select").value);
+            settings["dyndns_domain"] = document.getElementById("dyndns_domain_text").value;
+            settings["dyndns_username"] = document.getElementById("dyndns_username_text").value;
+            settings["dyndns_password"] = document.getElementById("dyndns_password_text").value;
 
             // Update advanced settings
             // qBittorrent section
-            settings["resume_data_storage_type"] = $("resumeDataStorageType").value;
-            settings["torrent_content_remove_option"] = $("torrentContentRemoveOption").value;
-            settings["memory_working_set_limit"] = Number($("memoryWorkingSetLimit").value);
-            settings["current_network_interface"] = $("networkInterface").value;
-            settings["current_interface_address"] = $("optionalIPAddressToBind").value;
-            settings["save_resume_data_interval"] = Number($("saveResumeDataInterval").value);
-            settings["save_statistics_interval"] = Number($("saveStatisticsInterval").value);
-            settings["torrent_file_size_limit"] = ($("torrentFileSizeLimit").value * 1024 * 1024);
+            settings["resume_data_storage_type"] = document.getElementById("resumeDataStorageType").value;
+            settings["torrent_content_remove_option"] = document.getElementById("torrentContentRemoveOption").value;
+            settings["memory_working_set_limit"] = Number(document.getElementById("memoryWorkingSetLimit").value);
+            settings["current_network_interface"] = document.getElementById("networkInterface").value;
+            settings["current_interface_address"] = document.getElementById("optionalIPAddressToBind").value;
+            settings["save_resume_data_interval"] = Number(document.getElementById("saveResumeDataInterval").value);
+            settings["save_statistics_interval"] = Number(document.getElementById("saveStatisticsInterval").value);
+            settings["torrent_file_size_limit"] = (document.getElementById("torrentFileSizeLimit").value * 1024 * 1024);
             settings["confirm_torrent_recheck"] = document.getElementById("confirmTorrentRecheck").checked;
-            settings["recheck_completed_torrents"] = $("recheckTorrentsOnCompletion").checked;
-            settings["app_instance_name"] = $("appInstanceName").value;
-            settings["refresh_interval"] = Number($("refreshInterval").value);
-            settings["resolve_peer_countries"] = $("resolvePeerCountries").checked;
-            settings["reannounce_when_address_changed"] = $("reannounceWhenAddressChanged").checked;
-            settings["enable_embedded_tracker"] = $("enableEmbeddedTracker").checked;
-            settings["embedded_tracker_port"] = Number($("embeddedTrackerPort").value);
-            settings["embedded_tracker_port_forwarding"] = $("embeddedTrackerPortForwarding").checked;
-            settings["mark_of_the_web"] = $("markOfTheWeb").checked;
-            settings["ignore_ssl_errors"] = $("ignoreSSLErrors").checked;
-            settings["python_executable_path"] = $("pythonExecutablePath").value;
+            settings["recheck_completed_torrents"] = document.getElementById("recheckTorrentsOnCompletion").checked;
+            settings["app_instance_name"] = document.getElementById("appInstanceName").value;
+            settings["refresh_interval"] = Number(document.getElementById("refreshInterval").value);
+            settings["resolve_peer_countries"] = document.getElementById("resolvePeerCountries").checked;
+            settings["reannounce_when_address_changed"] = document.getElementById("reannounceWhenAddressChanged").checked;
+            settings["enable_embedded_tracker"] = document.getElementById("enableEmbeddedTracker").checked;
+            settings["embedded_tracker_port"] = Number(document.getElementById("embeddedTrackerPort").value);
+            settings["embedded_tracker_port_forwarding"] = document.getElementById("embeddedTrackerPortForwarding").checked;
+            settings["mark_of_the_web"] = document.getElementById("markOfTheWeb").checked;
+            settings["ignore_ssl_errors"] = document.getElementById("ignoreSSLErrors").checked;
+            settings["python_executable_path"] = document.getElementById("pythonExecutablePath").value;
 
             // libtorrent section
-            settings["bdecode_depth_limit"] = Number($("bdecodeDepthLimit").value);
-            settings["bdecode_token_limit"] = Number($("bdecodeTokenLimit").value);
-            settings["async_io_threads"] = Number($("asyncIOThreads").value);
-            settings["hashing_threads"] = Number($("hashingThreads").value);
-            settings["file_pool_size"] = Number($("filePoolSize").value);
-            settings["checking_memory_use"] = Number($("outstandMemoryWhenCheckingTorrents").value);
-            settings["disk_cache"] = Number($("diskCache").value);
-            settings["disk_cache_ttl"] = Number($("diskCacheExpiryInterval").value);
-            settings["disk_queue_size"] = (Number($("diskQueueSize").value) * 1024);
-            settings["disk_io_type"] = Number($("diskIOType").value);
-            settings["disk_io_read_mode"] = Number($("diskIOReadMode").value);
-            settings["disk_io_write_mode"] = Number($("diskIOWriteMode").value);
-            settings["enable_coalesce_read_write"] = $("coalesceReadsAndWrites").checked;
-            settings["enable_piece_extent_affinity"] = $("pieceExtentAffinity").checked;
-            settings["enable_upload_suggestions"] = $("sendUploadPieceSuggestions").checked;
-            settings["send_buffer_watermark"] = Number($("sendBufferWatermark").value);
-            settings["send_buffer_low_watermark"] = Number($("sendBufferLowWatermark").value);
-            settings["send_buffer_watermark_factor"] = Number($("sendBufferWatermarkFactor").value);
-            settings["connection_speed"] = Number($("connectionSpeed").value);
-            settings["socket_send_buffer_size"] = ($("socketSendBufferSize").value * 1024);
-            settings["socket_receive_buffer_size"] = ($("socketReceiveBufferSize").value * 1024);
-            settings["socket_backlog_size"] = Number($("socketBacklogSize").value);
-            settings["outgoing_ports_min"] = Number($("outgoingPortsMin").value);
-            settings["outgoing_ports_max"] = Number($("outgoingPortsMax").value);
-            settings["upnp_lease_duration"] = Number($("UPnPLeaseDuration").value);
-            settings["peer_tos"] = Number($("peerToS").value);
-            settings["utp_tcp_mixed_mode"] = Number($("utpTCPMixedModeAlgorithm").value);
-            settings["hostname_cache_ttl"] = Number($("hostnameCacheTTL").value);
-            settings["idn_support_enabled"] = $("IDNSupportCheckbox").checked;
-            settings["enable_multi_connections_from_same_ip"] = $("allowMultipleConnectionsFromTheSameIPAddress").checked;
-            settings["validate_https_tracker_certificate"] = $("validateHTTPSTrackerCertificate").checked;
-            settings["ssrf_mitigation"] = $("mitigateSSRF").checked;
-            settings["block_peers_on_privileged_ports"] = $("blockPeersOnPrivilegedPorts").checked;
-            settings["upload_slots_behavior"] = Number($("uploadSlotsBehavior").value);
-            settings["upload_choking_algorithm"] = Number($("uploadChokingAlgorithm").value);
-            settings["announce_to_all_trackers"] = $("announceAllTrackers").checked;
-            settings["announce_to_all_tiers"] = $("announceAllTiers").checked;
-            settings["announce_ip"] = $("announceIP").value;
-            const announcePort = Number($("announcePort").value);
+            settings["bdecode_depth_limit"] = Number(document.getElementById("bdecodeDepthLimit").value);
+            settings["bdecode_token_limit"] = Number(document.getElementById("bdecodeTokenLimit").value);
+            settings["async_io_threads"] = Number(document.getElementById("asyncIOThreads").value);
+            settings["hashing_threads"] = Number(document.getElementById("hashingThreads").value);
+            settings["file_pool_size"] = Number(document.getElementById("filePoolSize").value);
+            settings["checking_memory_use"] = Number(document.getElementById("outstandMemoryWhenCheckingTorrents").value);
+            settings["disk_cache"] = Number(document.getElementById("diskCache").value);
+            settings["disk_cache_ttl"] = Number(document.getElementById("diskCacheExpiryInterval").value);
+            settings["disk_queue_size"] = (Number(document.getElementById("diskQueueSize").value) * 1024);
+            settings["disk_io_type"] = Number(document.getElementById("diskIOType").value);
+            settings["disk_io_read_mode"] = Number(document.getElementById("diskIOReadMode").value);
+            settings["disk_io_write_mode"] = Number(document.getElementById("diskIOWriteMode").value);
+            settings["enable_coalesce_read_write"] = document.getElementById("coalesceReadsAndWrites").checked;
+            settings["enable_piece_extent_affinity"] = document.getElementById("pieceExtentAffinity").checked;
+            settings["enable_upload_suggestions"] = document.getElementById("sendUploadPieceSuggestions").checked;
+            settings["send_buffer_watermark"] = Number(document.getElementById("sendBufferWatermark").value);
+            settings["send_buffer_low_watermark"] = Number(document.getElementById("sendBufferLowWatermark").value);
+            settings["send_buffer_watermark_factor"] = Number(document.getElementById("sendBufferWatermarkFactor").value);
+            settings["connection_speed"] = Number(document.getElementById("connectionSpeed").value);
+            settings["socket_send_buffer_size"] = (document.getElementById("socketSendBufferSize").value * 1024);
+            settings["socket_receive_buffer_size"] = (document.getElementById("socketReceiveBufferSize").value * 1024);
+            settings["socket_backlog_size"] = Number(document.getElementById("socketBacklogSize").value);
+            settings["outgoing_ports_min"] = Number(document.getElementById("outgoingPortsMin").value);
+            settings["outgoing_ports_max"] = Number(document.getElementById("outgoingPortsMax").value);
+            settings["upnp_lease_duration"] = Number(document.getElementById("UPnPLeaseDuration").value);
+            settings["peer_tos"] = Number(document.getElementById("peerToS").value);
+            settings["utp_tcp_mixed_mode"] = Number(document.getElementById("utpTCPMixedModeAlgorithm").value);
+            settings["hostname_cache_ttl"] = Number(document.getElementById("hostnameCacheTTL").value);
+            settings["idn_support_enabled"] = document.getElementById("IDNSupportCheckbox").checked;
+            settings["enable_multi_connections_from_same_ip"] = document.getElementById("allowMultipleConnectionsFromTheSameIPAddress").checked;
+            settings["validate_https_tracker_certificate"] = document.getElementById("validateHTTPSTrackerCertificate").checked;
+            settings["ssrf_mitigation"] = document.getElementById("mitigateSSRF").checked;
+            settings["block_peers_on_privileged_ports"] = document.getElementById("blockPeersOnPrivilegedPorts").checked;
+            settings["upload_slots_behavior"] = Number(document.getElementById("uploadSlotsBehavior").value);
+            settings["upload_choking_algorithm"] = Number(document.getElementById("uploadChokingAlgorithm").value);
+            settings["announce_to_all_trackers"] = document.getElementById("announceAllTrackers").checked;
+            settings["announce_to_all_tiers"] = document.getElementById("announceAllTiers").checked;
+            settings["announce_ip"] = document.getElementById("announceIP").value;
+            const announcePort = Number(document.getElementById("announcePort").value);
             if (Number.isNaN(announcePort) || (announcePort < 0) || (announcePort > 65535)) {
                 alert("QBT_TR(The announce port must be between 0 and 65535.)QBT_TR[CONTEXT=OptionsDialog]");
                 return;
             }
             settings["announce_port"] = announcePort;
-            settings["max_concurrent_http_announces"] = Number($("maxConcurrentHTTPAnnounces").value);
-            settings["stop_tracker_timeout"] = Number($("stopTrackerTimeout").value);
-            settings["peer_turnover"] = Number($("peerTurnover").value);
-            settings["peer_turnover_cutoff"] = Number($("peerTurnoverCutoff").value);
-            settings["peer_turnover_interval"] = Number($("peerTurnoverInterval").value);
-            settings["request_queue_size"] = Number($("requestQueueSize").value);
-            settings["dht_bootstrap_nodes"] = $("dhtBootstrapNodes").value;
-            settings["i2p_inbound_quantity"] = Number($("i2pInboundQuantity").value);
-            settings["i2p_outbound_quantity"] = Number($("i2pOutboundQuantity").value);
-            settings["i2p_inbound_length"] = Number($("i2pInboundLength").value);
-            settings["i2p_outbound_length"] = Number($("i2pOutboundLength").value);
+            settings["max_concurrent_http_announces"] = Number(document.getElementById("maxConcurrentHTTPAnnounces").value);
+            settings["stop_tracker_timeout"] = Number(document.getElementById("stopTrackerTimeout").value);
+            settings["peer_turnover"] = Number(document.getElementById("peerTurnover").value);
+            settings["peer_turnover_cutoff"] = Number(document.getElementById("peerTurnoverCutoff").value);
+            settings["peer_turnover_interval"] = Number(document.getElementById("peerTurnoverInterval").value);
+            settings["request_queue_size"] = Number(document.getElementById("requestQueueSize").value);
+            settings["dht_bootstrap_nodes"] = document.getElementById("dhtBootstrapNodes").value;
+            settings["i2p_inbound_quantity"] = Number(document.getElementById("i2pInboundQuantity").value);
+            settings["i2p_outbound_quantity"] = Number(document.getElementById("i2pOutboundQuantity").value);
+            settings["i2p_inbound_length"] = Number(document.getElementById("i2pInboundLength").value);
+            settings["i2p_outbound_length"] = Number(document.getElementById("i2pOutboundLength").value);
 
             // Send it to qBT
             window.parent.qBittorrent.Cache.preferences.set({
@@ -3137,7 +3137,7 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
         };
 
         const setup = () => {
-            watchedFoldersTable = new HtmlTable($("watched_folders_tab"));
+            watchedFoldersTable = new HtmlTable(document.getElementById("watched_folders_tab"));
 
             const buildInfo = window.qBittorrent.Cache.buildInfo.get();
 
@@ -3145,30 +3145,30 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
             const libtorrentVersion = window.qBittorrent.Misc.parseVersion(buildInfo.libtorrent);
             if (libtorrentVersion.valid) {
                 if (libtorrentVersion.major >= 2) {
-                    $("rowDiskCache").style.display = "none";
-                    $("rowDiskCacheExpiryInterval").style.display = "none";
-                    $("rowCoalesceReadsAndWrites").style.display = "none";
+                    document.getElementById("rowDiskCache").style.display = "none";
+                    document.getElementById("rowDiskCacheExpiryInterval").style.display = "none";
+                    document.getElementById("rowCoalesceReadsAndWrites").style.display = "none";
                 }
                 else {
-                    $("fieldsetI2p").style.display = "none";
-                    $("rowMemoryWorkingSetLimit").style.display = "none";
-                    $("rowHashingThreads").style.display = "none";
-                    $("rowDiskIOType").style.display = "none";
-                    $("rowI2pInboundQuantity").style.display = "none";
-                    $("rowI2pOutboundQuantity").style.display = "none";
-                    $("rowI2pInboundLength").style.display = "none";
-                    $("rowI2pOutboundLength").style.display = "none";
+                    document.getElementById("fieldsetI2p").style.display = "none";
+                    document.getElementById("rowMemoryWorkingSetLimit").style.display = "none";
+                    document.getElementById("rowHashingThreads").style.display = "none";
+                    document.getElementById("rowDiskIOType").style.display = "none";
+                    document.getElementById("rowI2pInboundQuantity").style.display = "none";
+                    document.getElementById("rowI2pOutboundQuantity").style.display = "none";
+                    document.getElementById("rowI2pInboundLength").style.display = "none";
+                    document.getElementById("rowI2pOutboundLength").style.display = "none";
                 }
 
                 if (!((libtorrentVersion.major >= 2) && (libtorrentVersion.minor >= 0) && (libtorrentVersion.fix >= 6)))
-                    $("diskIOWriteModeWriteThrough").style.display = "none";
+                    document.getElementById("diskIOWriteModeWriteThrough").style.display = "none";
             }
 
             if ((buildInfo.platform !== "macos") && (buildInfo.platform !== "windows"))
-                $("rowMarkOfTheWeb").style.display = "none";
+                document.getElementById("rowMarkOfTheWeb").style.display = "none";
 
-            $("networkInterface").addEventListener("change", function() {
-                updateInterfaceAddresses($(this).value, "");
+            document.getElementById("networkInterface").addEventListener("change", function() {
+                updateInterfaceAddresses(this.value, "");
             });
 
             loadPreferences();
diff --git a/src/webui/www/private/views/preferencesToolbar.html b/src/webui/www/private/views/preferencesToolbar.html
index c2ff79993..20eb487aa 100644
--- a/src/webui/www/private/views/preferencesToolbar.html
+++ b/src/webui/www/private/views/preferencesToolbar.html
@@ -36,37 +36,37 @@
         // Tabs
         MochaUI.initializeTabs("preferencesTabs");
 
-        $("PrefBehaviorLink").addEventListener("click", (e) => {
+        document.getElementById("PrefBehaviorLink").addEventListener("click", (e) => {
             Array.prototype.forEach.call(document.querySelectorAll(".PrefTab"), (tab => tab.classList.add("invisible")));
-            $("BehaviorTab").classList.remove("invisible");
+            document.getElementById("BehaviorTab").classList.remove("invisible");
         });
-        $("PrefDownloadsLink").addEventListener("click", (e) => {
+        document.getElementById("PrefDownloadsLink").addEventListener("click", (e) => {
             Array.prototype.forEach.call(document.querySelectorAll(".PrefTab"), (tab => tab.classList.add("invisible")));
-            $("DownloadsTab").classList.remove("invisible");
+            document.getElementById("DownloadsTab").classList.remove("invisible");
         });
-        $("PrefConnectionLink").addEventListener("click", (e) => {
+        document.getElementById("PrefConnectionLink").addEventListener("click", (e) => {
             Array.prototype.forEach.call(document.querySelectorAll(".PrefTab"), (tab => tab.classList.add("invisible")));
-            $("ConnectionTab").classList.remove("invisible");
+            document.getElementById("ConnectionTab").classList.remove("invisible");
         });
-        $("PrefSpeedLink").addEventListener("click", (e) => {
+        document.getElementById("PrefSpeedLink").addEventListener("click", (e) => {
             Array.prototype.forEach.call(document.querySelectorAll(".PrefTab"), (tab => tab.classList.add("invisible")));
-            $("SpeedTab").classList.remove("invisible");
+            document.getElementById("SpeedTab").classList.remove("invisible");
         });
-        $("PrefBittorrentLink").addEventListener("click", (e) => {
+        document.getElementById("PrefBittorrentLink").addEventListener("click", (e) => {
             Array.prototype.forEach.call(document.querySelectorAll(".PrefTab"), (tab => tab.classList.add("invisible")));
-            $("BittorrentTab").classList.remove("invisible");
+            document.getElementById("BittorrentTab").classList.remove("invisible");
         });
-        $("PrefRSSLink").addEventListener("click", (e) => {
+        document.getElementById("PrefRSSLink").addEventListener("click", (e) => {
             Array.prototype.forEach.call(document.querySelectorAll(".PrefTab"), (tab => tab.classList.add("invisible")));
-            $("RSSTab").classList.remove("invisible");
+            document.getElementById("RSSTab").classList.remove("invisible");
         });
-        $("PrefWebUILink").addEventListener("click", (e) => {
+        document.getElementById("PrefWebUILink").addEventListener("click", (e) => {
             Array.prototype.forEach.call(document.querySelectorAll(".PrefTab"), (tab => tab.classList.add("invisible")));
-            $("WebUITab").classList.remove("invisible");
+            document.getElementById("WebUITab").classList.remove("invisible");
         });
-        $("PrefAdvancedLink").addEventListener("click", (e) => {
+        document.getElementById("PrefAdvancedLink").addEventListener("click", (e) => {
             Array.prototype.forEach.call(document.querySelectorAll(".PrefTab"), (tab => tab.classList.add("invisible")));
-            $("AdvancedTab").classList.remove("invisible");
+            document.getElementById("AdvancedTab").classList.remove("invisible");
         });
     })();
 </script>
diff --git a/src/webui/www/private/views/rss.html b/src/webui/www/private/views/rss.html
index 7088f6f8f..66b1b7ff7 100644
--- a/src/webui/www/private/views/rss.html
+++ b/src/webui/www/private/views/rss.html
@@ -218,7 +218,7 @@
             const pref = window.parent.qBittorrent.Cache.preferences.get();
 
             if (!pref.rss_processing_enabled)
-                $("rssFetchingDisabled").classList.remove("invisible");
+                document.getElementById("rssFetchingDisabled").classList.remove("invisible");
 
             const rssFeedContextMenu = new window.qBittorrent.ContextMenu.RssFeedContextMenu({
                 targets: "#rssFeedTableDiv tbody tr",
@@ -232,7 +232,7 @@
                                 if ((row.full_data.dataPath.slice(0, selectedPath.length) === selectedPath) && (row.full_data.dataUid !== ""))
                                     feedsToUpdate.add(row);
                             }
-                        };
+                        }
                         feedsToUpdate.forEach((feed) => refreshFeed(feed.full_data.dataUid));
                     },
                     markRead: markSelectedAsRead,
@@ -263,13 +263,13 @@
                 }
             });
 
-            rssFeedContextMenu.addTarget($("rssFeedTableDiv"));
+            rssFeedContextMenu.addTarget(document.getElementById("rssFeedTableDiv"));
             // deselect feed when clicking on empty part of table
-            $("rssFeedTableDiv").addEventListener("click", (e) => {
+            document.getElementById("rssFeedTableDiv").addEventListener("click", (e) => {
                 rssFeedTable.deselectAll();
                 rssFeedTable.deselectRow();
             });
-            $("rssFeedTableDiv").addEventListener("contextmenu", (e) => {
+            document.getElementById("rssFeedTableDiv").addEventListener("contextmenu", (e) => {
                 if (e.target.nodeName === "DIV") {
                     rssFeedTable.deselectAll();
                     rssFeedTable.deselectRow();
diff --git a/src/webui/www/private/views/rssDownloader.html b/src/webui/www/private/views/rssDownloader.html
index 4a0b8d6ce..8da31614e 100644
--- a/src/webui/www/private/views/rssDownloader.html
+++ b/src/webui/www/private/views/rssDownloader.html
@@ -370,30 +370,30 @@ Supports the formats: S01E01, 1x1, 2017.12.31 and 31.12.2017 (Date formats also
             const pref = window.parent.qBittorrent.Cache.preferences.get();
 
             if (!pref.rss_auto_downloading_enabled)
-                $("rssDownloaderDisabled").classList.remove("invisible");
+                document.getElementById("rssDownloaderDisabled").classList.remove("invisible");
 
             // recalculate height
-            const warningHeight = $("rssDownloaderDisabled").getBoundingClientRect().height;
+            const warningHeight = document.getElementById("rssDownloaderDisabled").getBoundingClientRect().height;
 
-            $("leftRssDownloaderColumn").style.height = `calc(100% - ${warningHeight}px)`;
-            $("centerRssDownloaderColumn").style.height = `calc(100% - ${warningHeight}px)`;
-            $("rightRssDownloaderColumn").style.height = `calc(100% - ${warningHeight}px)`;
+            document.getElementById("leftRssDownloaderColumn").style.height = `calc(100% - ${warningHeight}px)`;
+            document.getElementById("centerRssDownloaderColumn").style.height = `calc(100% - ${warningHeight}px)`;
+            document.getElementById("rightRssDownloaderColumn").style.height = `calc(100% - ${warningHeight}px)`;
 
-            $("rulesTable").style.height = `calc(100% - ${$("rulesTableDesc").getBoundingClientRect().height}px)`;
-            $("rssDownloaderArticlesTable").style.height = `calc(100% - ${$("articleTableDesc").getBoundingClientRect().height}px)`;
+            document.getElementById("rulesTable").style.height = `calc(100% - ${document.getElementById("rulesTableDesc").getBoundingClientRect().height}px)`;
+            document.getElementById("rssDownloaderArticlesTable").style.height = `calc(100% - ${document.getElementById("articleTableDesc").getBoundingClientRect().height}px)`;
 
-            const centerRowNotTableHeight = $("saveButton").getBoundingClientRect().height
-                + $("ruleSettings").getBoundingClientRect().height + 15;
+            const centerRowNotTableHeight = document.getElementById("saveButton").getBoundingClientRect().height
+                + document.getElementById("ruleSettings").getBoundingClientRect().height + 15;
 
-            $("rssDownloaderFeeds").style.height = `calc(100% - ${centerRowNotTableHeight}px)`;
+            document.getElementById("rssDownloaderFeeds").style.height = `calc(100% - ${centerRowNotTableHeight}px)`;
 
             // firefox calculates the height of the table inside fieldset differently and thus doesn't need the offset
             if (navigator.userAgent.toLowerCase().includes("firefox")) {
-                $("rssDownloaderFeedsTable").style.height = "100%";
+                document.getElementById("rssDownloaderFeedsTable").style.height = "100%";
             }
             else {
-                const outsideTableHeight = ($("rssDownloaderFeedsTable").getBoundingClientRect().top - $("rssDownloaderFeeds").getBoundingClientRect().top) - 10;
-                $("rssDownloaderFeedsTable").style.height = `calc(100% - ${outsideTableHeight}px)`;
+                const outsideTableHeight = (document.getElementById("rssDownloaderFeedsTable").getBoundingClientRect().top - document.getElementById("rssDownloaderFeeds").getBoundingClientRect().top) - 10;
+                document.getElementById("rssDownloaderFeedsTable").style.height = `calc(100% - ${outsideTableHeight}px)`;
             }
 
             const rssDownloaderRuleContextMenu = new window.qBittorrent.ContextMenu.RssDownloaderRuleContextMenu({
@@ -419,9 +419,9 @@ Supports the formats: S01E01, 1x1, 2017.12.31 and 31.12.2017 (Date formats also
             rssDownloaderFeedSelectionTable.setup("rssDownloaderFeedSelectionTableDiv", "rssDownloaderFeedSelectionFixedHeaderDiv");
             rssDownloaderArticlesTable.setup("rssDownloaderArticlesTableDiv", "rssDownloaderArticlesFixedHeaderDiv");
 
-            rssDownloaderRuleContextMenu.addTarget($("rulesTable"));
+            rssDownloaderRuleContextMenu.addTarget(document.getElementById("rulesTable"));
             // deselect feed when clicking on empty part of table
-            $("rulesTable").addEventListener("click", (e) => {
+            document.getElementById("rulesTable").addEventListener("click", (e) => {
                 if (e.target.nodeName === "DIV") {
                     rssDownloaderRulesTable.deselectAll();
                     rssDownloaderRulesTable.deselectRow();
@@ -439,7 +439,7 @@ Supports the formats: S01E01, 1x1, 2017.12.31 and 31.12.2017 (Date formats also
 
                     const responseJSON = await response.json();
 
-                    const combobox = $("assignCategoryCombobox");
+                    const combobox = document.getElementById("assignCategoryCombobox");
                     for (const cat in responseJSON) {
                         if (!Object.hasOwn(responseJSON, cat))
                             continue;
@@ -475,8 +475,8 @@ Supports the formats: S01E01, 1x1, 2017.12.31 and 31.12.2017 (Date formats also
                     };
                     flatten(responseJSON);
                 });
-            $("savetoDifferentDir").addEventListener("click", () => {
-                $("saveToText").disabled = !$("savetoDifferentDir").checked;
+            document.getElementById("savetoDifferentDir").addEventListener("click", () => {
+                document.getElementById("saveToText").disabled = !document.getElementById("savetoDifferentDir").checked;
             });
             updateRulesList();
         };
@@ -599,27 +599,27 @@ Supports the formats: S01E01, 1x1, 2017.12.31 and 31.12.2017 (Date formats also
             const lastSelectedRow = rssDownloaderRulesTable.selectedRows.at(-1);
             const rule = rssDownloaderRulesTable.getRow(lastSelectedRow).full_data.name;
 
-            rulesList[rule].useRegex = $("useRegEx").checked;
-            rulesList[rule].mustContain = $("mustContainText").value;
-            rulesList[rule].mustNotContain = $("mustNotContainText").value;
-            rulesList[rule].episodeFilter = $("episodeFilterText").value;
-            rulesList[rule].smartFilter = $("useSmartFilter").checked;
-            rulesList[rule].ignoreDays = Number($("ignoreDaysValue").value);
+            rulesList[rule].useRegex = document.getElementById("useRegEx").checked;
+            rulesList[rule].mustContain = document.getElementById("mustContainText").value;
+            rulesList[rule].mustNotContain = document.getElementById("mustNotContainText").value;
+            rulesList[rule].episodeFilter = document.getElementById("episodeFilterText").value;
+            rulesList[rule].smartFilter = document.getElementById("useSmartFilter").checked;
+            rulesList[rule].ignoreDays = Number(document.getElementById("ignoreDaysValue").value);
             rulesList[rule].affectedFeeds = [...rssDownloaderFeedSelectionTable.getRowValues()]
                 .filter((row) => row.full_data.checked)
                 .map((row) => row.full_data.url);
 
-            rulesList[rule].torrentParams.category = $("assignCategoryCombobox").value;
-            rulesList[rule].torrentParams.tags = $("ruleAddTags").value.split(",");
-            if ($("savetoDifferentDir").checked) {
-                rulesList[rule].torrentParams.save_path = $("saveToText").value;
+            rulesList[rule].torrentParams.category = document.getElementById("assignCategoryCombobox").value;
+            rulesList[rule].torrentParams.tags = document.getElementById("ruleAddTags").value.split(",");
+            if (document.getElementById("savetoDifferentDir").checked) {
+                rulesList[rule].torrentParams.save_path = document.getElementById("saveToText").value;
                 rulesList[rule].torrentParams.use_auto_tmm = false;
             }
             else {
                 rulesList[rule].torrentParams.save_path = "";
             }
 
-            switch ($("addStoppedCombobox").value) {
+            switch (document.getElementById("addStoppedCombobox").value) {
                 case "default":
                     rulesList[rule].torrentParams.stopped = null;
                     break;
@@ -631,7 +631,7 @@ Supports the formats: S01E01, 1x1, 2017.12.31 and 31.12.2017 (Date formats also
                     break;
             }
 
-            switch ($("contentLayoutCombobox").value) {
+            switch (document.getElementById("contentLayoutCombobox").value) {
                 case "Default":
                     rulesList[rule].torrentParams.content_layout = null;
                     break;
@@ -701,89 +701,89 @@ Supports the formats: S01E01, 1x1, 2017.12.31 and 31.12.2017 (Date formats also
         const showRule = (ruleName) => {
             if (ruleName === "") {
                 // disable all
-                $("saveButton").disabled = true;
-                $("useRegEx").disabled = true;
-                $("mustContainText").disabled = true;
-                $("mustNotContainText").disabled = true;
-                $("episodeFilterText").disabled = true;
-                $("useSmartFilter").disabled = true;
-                $("assignCategoryCombobox").disabled = true;
-                $("ruleAddTags").disabled = true;
-                $("savetoDifferentDir").disabled = true;
-                $("saveToText").disabled = true;
-                $("ignoreDaysValue").disabled = true;
-                $("addStoppedCombobox").disabled = true;
-                $("contentLayoutCombobox").disabled = true;
+                document.getElementById("saveButton").disabled = true;
+                document.getElementById("useRegEx").disabled = true;
+                document.getElementById("mustContainText").disabled = true;
+                document.getElementById("mustNotContainText").disabled = true;
+                document.getElementById("episodeFilterText").disabled = true;
+                document.getElementById("useSmartFilter").disabled = true;
+                document.getElementById("assignCategoryCombobox").disabled = true;
+                document.getElementById("ruleAddTags").disabled = true;
+                document.getElementById("savetoDifferentDir").disabled = true;
+                document.getElementById("saveToText").disabled = true;
+                document.getElementById("ignoreDaysValue").disabled = true;
+                document.getElementById("addStoppedCombobox").disabled = true;
+                document.getElementById("contentLayoutCombobox").disabled = true;
 
                 // reset all boxes
-                $("useRegEx").checked = false;
-                $("mustContainText").value = "";
-                $("mustNotContainText").value = "";
-                $("episodeFilterText").value = "";
-                $("useSmartFilter").checked = false;
-                $("assignCategoryCombobox").value = "default";
-                $("ruleAddTags").value = "";
-                $("savetoDifferentDir").checked = false;
-                $("saveToText").value = "";
-                $("ignoreDaysValue").value = 0;
-                $("lastMatchText").textContent = "QBT_TR(Last Match: Unknown)QBT_TR[CONTEXT=AutomatedRssDownloader]";
-                $("addStoppedCombobox").value = "default";
-                $("contentLayoutCombobox").value = "Default";
+                document.getElementById("useRegEx").checked = false;
+                document.getElementById("mustContainText").value = "";
+                document.getElementById("mustNotContainText").value = "";
+                document.getElementById("episodeFilterText").value = "";
+                document.getElementById("useSmartFilter").checked = false;
+                document.getElementById("assignCategoryCombobox").value = "default";
+                document.getElementById("ruleAddTags").value = "";
+                document.getElementById("savetoDifferentDir").checked = false;
+                document.getElementById("saveToText").value = "";
+                document.getElementById("ignoreDaysValue").value = 0;
+                document.getElementById("lastMatchText").textContent = "QBT_TR(Last Match: Unknown)QBT_TR[CONTEXT=AutomatedRssDownloader]";
+                document.getElementById("addStoppedCombobox").value = "default";
+                document.getElementById("contentLayoutCombobox").value = "Default";
                 rssDownloaderFeedSelectionTable.clear();
                 rssDownloaderArticlesTable.clear();
 
-                $("mustContainText").title = "";
-                $("mustNotContainText").title = "";
-                $("episodeFilterText").title = "";
+                document.getElementById("mustContainText").title = "";
+                document.getElementById("mustNotContainText").title = "";
+                document.getElementById("episodeFilterText").title = "";
             }
             else {
                 // enable all
-                $("saveButton").disabled = false;
-                $("useRegEx").disabled = false;
-                $("mustContainText").disabled = false;
-                $("mustNotContainText").disabled = false;
-                $("episodeFilterText").disabled = false;
-                $("useSmartFilter").disabled = false;
-                $("assignCategoryCombobox").disabled = false;
-                $("ruleAddTags").disabled = false;
-                $("savetoDifferentDir").disabled = false;
-                $("ignoreDaysValue").disabled = false;
-                $("addStoppedCombobox").disabled = false;
-                $("contentLayoutCombobox").disabled = false;
+                document.getElementById("saveButton").disabled = false;
+                document.getElementById("useRegEx").disabled = false;
+                document.getElementById("mustContainText").disabled = false;
+                document.getElementById("mustNotContainText").disabled = false;
+                document.getElementById("episodeFilterText").disabled = false;
+                document.getElementById("useSmartFilter").disabled = false;
+                document.getElementById("assignCategoryCombobox").disabled = false;
+                document.getElementById("ruleAddTags").disabled = false;
+                document.getElementById("savetoDifferentDir").disabled = false;
+                document.getElementById("ignoreDaysValue").disabled = false;
+                document.getElementById("addStoppedCombobox").disabled = false;
+                document.getElementById("contentLayoutCombobox").disabled = false;
 
                 // load rule settings
-                $("useRegEx").checked = rulesList[ruleName].useRegex;
-                $("mustContainText").value = rulesList[ruleName].mustContain;
-                $("mustNotContainText").value = rulesList[ruleName].mustNotContain;
-                $("episodeFilterText").value = rulesList[ruleName].episodeFilter;
-                $("useSmartFilter").checked = rulesList[ruleName].smartFilter;
+                document.getElementById("useRegEx").checked = rulesList[ruleName].useRegex;
+                document.getElementById("mustContainText").value = rulesList[ruleName].mustContain;
+                document.getElementById("mustNotContainText").value = rulesList[ruleName].mustNotContain;
+                document.getElementById("episodeFilterText").value = rulesList[ruleName].episodeFilter;
+                document.getElementById("useSmartFilter").checked = rulesList[ruleName].smartFilter;
 
-                $("assignCategoryCombobox").value = rulesList[ruleName].torrentParams.category ? rulesList[ruleName].torrentParams.category : "default";
-                $("ruleAddTags").value = rulesList[ruleName].torrentParams.tags.join(",");
-                $("savetoDifferentDir").checked = rulesList[ruleName].torrentParams.save_path !== "";
-                $("saveToText").disabled = !$("savetoDifferentDir").checked;
-                $("saveToText").value = rulesList[ruleName].torrentParams.save_path;
-                $("ignoreDaysValue").value = rulesList[ruleName].ignoreDays;
+                document.getElementById("assignCategoryCombobox").value = rulesList[ruleName].torrentParams.category ? rulesList[ruleName].torrentParams.category : "default";
+                document.getElementById("ruleAddTags").value = rulesList[ruleName].torrentParams.tags.join(",");
+                document.getElementById("savetoDifferentDir").checked = rulesList[ruleName].torrentParams.save_path !== "";
+                document.getElementById("saveToText").disabled = !document.getElementById("savetoDifferentDir").checked;
+                document.getElementById("saveToText").value = rulesList[ruleName].torrentParams.save_path;
+                document.getElementById("ignoreDaysValue").value = rulesList[ruleName].ignoreDays;
 
                 // calculate days since last match
                 if (rulesList[ruleName].lastMatch !== "") {
                     const timeDiffInMs = new Date().getTime() - new Date(rulesList[ruleName].lastMatch).getTime();
                     const daysAgo = Math.floor(timeDiffInMs / (1000 * 60 * 60 * 24)).toString();
-                    $("lastMatchText").textContent = " QBT_TR(Last Match: %1 days ago)QBT_TR[CONTEXT=AutomatedRssDownloader]".replace("%1", daysAgo);
+                    document.getElementById("lastMatchText").textContent = " QBT_TR(Last Match: %1 days ago)QBT_TR[CONTEXT=AutomatedRssDownloader]".replace("%1", daysAgo);
                 }
                 else {
-                    $("lastMatchText").textContent = "QBT_TR(Last Match: Unknown)QBT_TR[CONTEXT=AutomatedRssDownloader]";
+                    document.getElementById("lastMatchText").textContent = "QBT_TR(Last Match: Unknown)QBT_TR[CONTEXT=AutomatedRssDownloader]";
                 }
 
                 if ((rulesList[ruleName].torrentParams.stopped === undefined) || (rulesList[ruleName].torrentParams.stopped === null))
-                    $("addStoppedCombobox").value = "default";
+                    document.getElementById("addStoppedCombobox").value = "default";
                 else
-                    $("addStoppedCombobox").value = rulesList[ruleName].torrentParams.stopped ? "always" : "never";
+                    document.getElementById("addStoppedCombobox").value = rulesList[ruleName].torrentParams.stopped ? "always" : "never";
 
                 if ((rulesList[ruleName].torrentParams.content_layout === undefined) || (rulesList[ruleName].torrentParams.content_layout === null))
-                    $("contentLayoutCombobox").value = "Default";
+                    document.getElementById("contentLayoutCombobox").value = "Default";
                 else
-                    $("contentLayoutCombobox").value = rulesList[ruleName].torrentParams.content_layout;
+                    document.getElementById("contentLayoutCombobox").value = rulesList[ruleName].torrentParams.content_layout;
 
                 setElementTitles();
 
@@ -804,7 +804,7 @@ Supports the formats: S01E01, 1x1, 2017.12.31 and 31.12.2017 (Date formats also
 
         const setElementTitles = () => {
             let mainPart;
-            if ($("useRegEx").checked) {
+            if (document.getElementById("useRegEx").checked) {
                 mainPart = "QBT_TR(Regex mode: use Perl-compatible regular expressions)QBT_TR[CONTEXT=AutomatedRssDownloader]\n\n";
             }
             else {
@@ -818,8 +818,8 @@ Supports the formats: S01E01, 1x1, 2017.12.31 and 31.12.2017 (Date formats also
             const secondPart = "QBT_TR(An expression with an empty %1 clause (e.g. %2))QBT_TR[CONTEXT=AutomatedRssDownloader]"
                 .replace("%1", "|").replace("%2", "expr|");
 
-            $("mustContainText").title = `${mainPart}${secondPart}QBT_TR( will match all articles.)QBT_TR[CONTEXT=AutomatedRssDownloader]`;
-            $("mustNotContainText").title = `${mainPart}${secondPart}QBT_TR( will exclude all articles.)QBT_TR[CONTEXT=AutomatedRssDownloader]`;
+            document.getElementById("mustContainText").title = `${mainPart}${secondPart}QBT_TR( will match all articles.)QBT_TR[CONTEXT=AutomatedRssDownloader]`;
+            document.getElementById("mustNotContainText").title = `${mainPart}${secondPart}QBT_TR( will exclude all articles.)QBT_TR[CONTEXT=AutomatedRssDownloader]`;
 
             let episodeFilterTitle = "QBT_TR(Matches articles based on episode filter.)QBT_TR[CONTEXT=AutomatedRssDownloader]\n\n"
                 + "QBT_TR(Example: )QBT_TR[CONTEXT=AutomatedRssDownloader]"
@@ -835,7 +835,7 @@ Supports the formats: S01E01, 1x1, 2017.12.31 and 31.12.2017 (Date formats also
                 + "    ● QBT_TR(Infinite range: <b>1x25-;</b> matches episodes 25 and upward of season one, and all episodes of later seasons)QBT_TR[CONTEXT=AutomatedRssDownloader]";
 
             episodeFilterTitle = episodeFilterTitle.replace(/<b>/g, "").replace(/<\/b>/g, "");
-            $("episodeFilterText").title = episodeFilterTitle;
+            document.getElementById("episodeFilterText").title = episodeFilterTitle;
         };
 
         return exports();
diff --git a/test/testutilsversion.cpp b/test/testutilsversion.cpp
index 733fadac8..63d8360dd 100644
--- a/test/testutilsversion.cpp
+++ b/test/testutilsversion.cpp
@@ -80,9 +80,7 @@ private slots:
     {
         const Utils::Version<1> version1 {1};
         QCOMPARE(version1[0], 1);
-#if (QT_VERSION >= QT_VERSION_CHECK(6, 3, 0))
         QVERIFY_THROWS_EXCEPTION(std::out_of_range, version1[1]);
-#endif
         QCOMPARE(version1.majorNumber(), 1);
         // should not compile:
         // version1.minorNumber();
@@ -92,9 +90,7 @@ private slots:
         const Utils::Version<2, 1> version2 {2};
         QCOMPARE(version2[0], 2);
         QCOMPARE(version2[1], 0);
-#if (QT_VERSION >= QT_VERSION_CHECK(6, 3, 0))
         QVERIFY_THROWS_EXCEPTION(std::out_of_range, version2[2]);
-#endif
         QCOMPARE(version2.majorNumber(), 2);
         QCOMPARE(version2.minorNumber(), 0);
         // should not compile:
@@ -105,9 +101,7 @@ private slots:
         QCOMPARE(version3[0], 3);
         QCOMPARE(version3[1], 2);
         QCOMPARE(version3[2], 0);
-#if (QT_VERSION >= QT_VERSION_CHECK(6, 3, 0))
         QVERIFY_THROWS_EXCEPTION(std::out_of_range, version3[3]);
-#endif
         QCOMPARE(version3.majorNumber(), 3);
         QCOMPARE(version3.minorNumber(), 2);
         QCOMPARE(version3.revisionNumber(), 0);
@@ -119,9 +113,7 @@ private slots:
         QCOMPARE(version4[1], 11);
         QCOMPARE(version4[2], 12);
         QCOMPARE(version4[3], 13);
-#if (QT_VERSION >= QT_VERSION_CHECK(6, 3, 0))
         QVERIFY_THROWS_EXCEPTION(std::out_of_range, version4[4]);
-#endif
         QCOMPARE(version4.majorNumber(), 10);
         QCOMPARE(version4.minorNumber(), 11);
         QCOMPARE(version4.revisionNumber(), 12);