diff --git a/dist/windows/config.nsh b/dist/windows/config.nsh
index 6d35d2e42..ee3fc5145 100644
--- a/dist/windows/config.nsh
+++ b/dist/windows/config.nsh
@@ -111,7 +111,8 @@ RequestExecutionLevel user
 !define MUI_HEADERIMAGE
 !define MUI_COMPONENTSPAGE_NODESC
 ;!define MUI_ICON "qbittorrent.ico"
-!define MUI_LICENSEPAGE_CHECKBOX
+!define MUI_LICENSEPAGE_BUTTON $(^NextBtn)
+!define MUI_LICENSEPAGE_TEXT_BOTTOM "$_CLICK"
 !define MUI_LANGDLL_ALLLANGUAGES
 
 ;--------------------------------
diff --git a/src/app/application.cpp b/src/app/application.cpp
index e82df1168..cfb0dbd18 100644
--- a/src/app/application.cpp
+++ b/src/app/application.cpp
@@ -920,10 +920,10 @@ int Application::exec()
                 m_desktopIntegration->showNotification(tr("Torrent added"), tr("'%1' was added.", "e.g: xxx.avi was added.").arg(torrent->name()));
         });
         connect(m_addTorrentManager, &AddTorrentManager::addTorrentFailed, this
-                , [this](const QString &source, const QString &reason)
+                , [this](const QString &source, const BitTorrent::AddTorrentError &reason)
         {
             m_desktopIntegration->showNotification(tr("Add torrent failed")
-                    , tr("Couldn't add torrent '%1', reason: %2.").arg(source, reason));
+                    , tr("Couldn't add torrent '%1', reason: %2.").arg(source, reason.message));
         });
 
         disconnect(m_desktopIntegration, &DesktopIntegration::activationRequested, this, &Application::createStartupProgressDialog);
diff --git a/src/app/cmdoptions.cpp b/src/app/cmdoptions.cpp
index f6946f68f..3cbf53e37 100644
--- a/src/app/cmdoptions.cpp
+++ b/src/app/cmdoptions.cpp
@@ -491,6 +491,12 @@ QString makeUsage(const QString &prgName)
 {
     const QString indentation {USAGE_INDENTATION, u' '};
 
+#if defined(Q_OS_WIN)
+    const QString noSplashCommand = u"set QBT_NO_SPLASH=1 && " + prgName;
+#else
+    const QString noSplashCommand = u"QBT_NO_SPLASH=1 " + prgName;
+#endif
+
     const QString text = QCoreApplication::translate("CMD Options", "Usage:") + u'\n'
         + indentation + prgName + u' ' + QCoreApplication::translate("CMD Options", "[options] [(<filename> | <url>)...]") + u'\n'
 
@@ -542,7 +548,7 @@ QString makeUsage(const QString &prgName)
                                 "'parameter-name', environment variable name is 'QBT_PARAMETER_NAME' (in upper "
                                 "case, '-' replaced with '_'). To pass flag values, set the variable to '1' or "
                                 "'TRUE'. For example, to disable the splash screen: "), 0) + u'\n'
-        + u"QBT_NO_SPLASH=1 " + prgName + u'\n'
+        + noSplashCommand + u'\n'
         + wrapText(QCoreApplication::translate("CMD Options", "Command line parameters take precedence over environment variables"), 0) + u'\n';
 
     return text;
diff --git a/src/base/CMakeLists.txt b/src/base/CMakeLists.txt
index 5d2f9cf0e..5bb0077a9 100644
--- a/src/base/CMakeLists.txt
+++ b/src/base/CMakeLists.txt
@@ -6,6 +6,7 @@ add_library(qbt_base STATIC
     applicationcomponent.h
     asyncfilestorage.h
     bittorrent/abstractfilestorage.h
+    bittorrent/addtorrenterror.h
     bittorrent/addtorrentparams.h
     bittorrent/announcetimepoint.h
     bittorrent/bandwidthscheduler.h
diff --git a/src/base/addtorrentmanager.cpp b/src/base/addtorrentmanager.cpp
index ce446a72b..14332098a 100644
--- a/src/base/addtorrentmanager.cpp
+++ b/src/base/addtorrentmanager.cpp
@@ -140,7 +140,7 @@ void AddTorrentManager::onSessionTorrentAdded(BitTorrent::Torrent *torrent)
     }
 }
 
-void AddTorrentManager::onSessionAddTorrentFailed(const BitTorrent::InfoHash &infoHash, const QString &reason)
+void AddTorrentManager::onSessionAddTorrentFailed(const BitTorrent::InfoHash &infoHash, const BitTorrent::AddTorrentError &reason)
 {
     if (const QString source = m_sourcesByInfoHash.take(infoHash); !source.isEmpty())
     {
@@ -154,7 +154,7 @@ void AddTorrentManager::onSessionAddTorrentFailed(const BitTorrent::InfoHash &in
 void AddTorrentManager::handleAddTorrentFailed(const QString &source, const QString &reason)
 {
     LogMsg(tr("Failed to add torrent. Source: \"%1\". Reason: \"%2\"").arg(source, reason), Log::WARNING);
-    emit addTorrentFailed(source, reason);
+    emit addTorrentFailed(source, {BitTorrent::AddTorrentError::Other, reason});
 }
 
 void AddTorrentManager::handleDuplicateTorrent(const QString &source
@@ -187,7 +187,7 @@ void AddTorrentManager::handleDuplicateTorrent(const QString &source
 
     LogMsg(tr("Detected an attempt to add a duplicate torrent. Source: %1. Existing torrent: %2. Result: %3")
             .arg(source, existingTorrent->name(), message));
-    emit addTorrentFailed(source, message);
+    emit addTorrentFailed(source, {BitTorrent::AddTorrentError::DuplicateTorrent, message});
 }
 
 void AddTorrentManager::setTorrentFileGuard(const QString &source, std::shared_ptr<TorrentFileGuard> torrentFileGuard)
diff --git a/src/base/addtorrentmanager.h b/src/base/addtorrentmanager.h
index 0e2fc6f49..0621be7a2 100644
--- a/src/base/addtorrentmanager.h
+++ b/src/base/addtorrentmanager.h
@@ -35,6 +35,7 @@
 #include <QObject>
 
 #include "base/applicationcomponent.h"
+#include "base/bittorrent/addtorrenterror.h"
 #include "base/bittorrent/addtorrentparams.h"
 #include "base/torrentfileguard.h"
 
@@ -66,7 +67,7 @@ public:
 
 signals:
     void torrentAdded(const QString &source, BitTorrent::Torrent *torrent);
-    void addTorrentFailed(const QString &source, const QString &reason);
+    void addTorrentFailed(const QString &source, const BitTorrent::AddTorrentError &reason);
 
 protected:
     bool addTorrentToSession(const QString &source, const BitTorrent::TorrentDescriptor &torrentDescr
@@ -79,7 +80,7 @@ protected:
 private:
     void onDownloadFinished(const Net::DownloadResult &result);
     void onSessionTorrentAdded(BitTorrent::Torrent *torrent);
-    void onSessionAddTorrentFailed(const BitTorrent::InfoHash &infoHash, const QString &reason);
+    void onSessionAddTorrentFailed(const BitTorrent::InfoHash &infoHash, const BitTorrent::AddTorrentError &reason);
     bool processTorrent(const QString &source, const BitTorrent::TorrentDescriptor &torrentDescr
             , const BitTorrent::AddTorrentParams &addTorrentParams);
 
diff --git a/src/base/bittorrent/addtorrenterror.h b/src/base/bittorrent/addtorrenterror.h
new file mode 100644
index 000000000..a0afb4705
--- /dev/null
+++ b/src/base/bittorrent/addtorrenterror.h
@@ -0,0 +1,49 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 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
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+#pragma once
+
+#include <QMetaType>
+#include <QString>
+
+namespace BitTorrent
+{
+    struct AddTorrentError
+    {
+        enum Kind
+        {
+            DuplicateTorrent,
+            Other
+        };
+
+        Kind kind = Other;
+        QString message;
+    };
+}
+
+Q_DECLARE_METATYPE(BitTorrent::AddTorrentError)
diff --git a/src/base/bittorrent/bencoderesumedatastorage.cpp b/src/base/bittorrent/bencoderesumedatastorage.cpp
index 1e1083051..16a63207c 100644
--- a/src/base/bittorrent/bencoderesumedatastorage.cpp
+++ b/src/base/bittorrent/bencoderesumedatastorage.cpp
@@ -147,7 +147,7 @@ BitTorrent::LoadResumeDataResult BitTorrent::BencodeResumeDataStorage::load(cons
     const Path torrentFilePath = path() / Path(idString + u".torrent");
     const qint64 torrentSizeLimit = Preferences::instance()->getTorrentFileSizeLimit();
 
-    const auto resumeDataReadResult = Utils::IO::readFile(fastresumePath, torrentSizeLimit);
+    const auto resumeDataReadResult = Utils::IO::readFile(fastresumePath, -1);
     if (!resumeDataReadResult)
         return nonstd::make_unexpected(resumeDataReadResult.error().message);
 
diff --git a/src/base/bittorrent/session.h b/src/base/bittorrent/session.h
index f5c062172..d35b9839e 100644
--- a/src/base/bittorrent/session.h
+++ b/src/base/bittorrent/session.h
@@ -34,6 +34,7 @@
 
 #include "base/pathfwd.h"
 #include "base/tagset.h"
+#include "addtorrenterror.h"
 #include "addtorrentparams.h"
 #include "categoryoptions.h"
 #include "sharelimitaction.h"
@@ -481,7 +482,7 @@ namespace BitTorrent
 
     signals:
         void startupProgressUpdated(int progress);
-        void addTorrentFailed(const InfoHash &infoHash, const QString &reason);
+        void addTorrentFailed(const InfoHash &infoHash, const AddTorrentError &reason);
         void allTorrentsFinished();
         void categoryAdded(const QString &categoryName);
         void categoryRemoved(const QString &categoryName);
diff --git a/src/base/bittorrent/sessionimpl.cpp b/src/base/bittorrent/sessionimpl.cpp
index 4dee5a911..da1419f49 100644
--- a/src/base/bittorrent/sessionimpl.cpp
+++ b/src/base/bittorrent/sessionimpl.cpp
@@ -467,9 +467,11 @@ 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), -1, lowerLimited(-1))
-    , m_globalMaxInactiveSeedingMinutes(BITTORRENT_SESSION_KEY(u"GlobalMaxInactiveSeedingMinutes"_s), -1, lowerLimited(-1))
+    , 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)
@@ -1220,7 +1222,7 @@ qreal SessionImpl::globalMaxRatio() const
 void SessionImpl::setGlobalMaxRatio(qreal ratio)
 {
     if (ratio < 0)
-        ratio = -1.;
+        ratio = Torrent::NO_RATIO_LIMIT;
 
     if (ratio != globalMaxRatio())
     {
@@ -1236,8 +1238,7 @@ int SessionImpl::globalMaxSeedingMinutes() const
 
 void SessionImpl::setGlobalMaxSeedingMinutes(int minutes)
 {
-    if (minutes < 0)
-        minutes = -1;
+    minutes = std::max(minutes, Torrent::NO_SEEDING_TIME_LIMIT);
 
     if (minutes != globalMaxSeedingMinutes())
     {
@@ -1253,7 +1254,7 @@ int SessionImpl::globalMaxInactiveSeedingMinutes() const
 
 void SessionImpl::setGlobalMaxInactiveSeedingMinutes(int minutes)
 {
-    minutes = std::max(minutes, -1);
+    minutes = std::max(minutes, Torrent::NO_INACTIVE_SEEDING_TIME_LIMIT);
 
     if (minutes != globalMaxInactiveSeedingMinutes())
     {
@@ -2312,19 +2313,19 @@ 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.");
@@ -2753,7 +2754,10 @@ bool SessionImpl::addTorrent_impl(const TorrentDescriptor &source, const AddTorr
     // We should not add the torrent if it is already
     // processed or is pending to add to session
     if (m_loadingTorrents.contains(id) || (infoHash.isHybrid() && m_loadingTorrents.contains(altID)))
+    {
+        emit addTorrentFailed(infoHash, {AddTorrentError::DuplicateTorrent, tr("Duplicate torrent")});
         return false;
+    }
 
     if (Torrent *torrent = findTorrent(infoHash))
     {
@@ -2767,16 +2771,20 @@ bool SessionImpl::addTorrent_impl(const TorrentDescriptor &source, const AddTorr
 
         if (!isMergeTrackersEnabled())
         {
+            const QString message = tr("Merging of trackers is disabled");
             LogMsg(tr("Detected an attempt to add a duplicate torrent. Existing torrent: %1. Result: %2")
-                    .arg(torrent->name(), tr("Merging of trackers is disabled")));
+                    .arg(torrent->name(), message));
+            emit addTorrentFailed(infoHash, {AddTorrentError::DuplicateTorrent, message});
             return false;
         }
 
         const bool isPrivate = torrent->isPrivate() || (hasMetadata && source.info()->isPrivate());
         if (isPrivate)
         {
+            const QString message = tr("Trackers cannot be merged because it is a private torrent");
             LogMsg(tr("Detected an attempt to add a duplicate torrent. Existing torrent: %1. Result: %2")
-                    .arg(torrent->name(), tr("Trackers cannot be merged because it is a private torrent")));
+                    .arg(torrent->name(), message));
+            emit addTorrentFailed(infoHash, {AddTorrentError::DuplicateTorrent, message});
             return false;
         }
 
@@ -2784,8 +2792,10 @@ bool SessionImpl::addTorrent_impl(const TorrentDescriptor &source, const AddTorr
         torrent->addTrackers(source.trackers());
         torrent->addUrlSeeds(source.urlSeeds());
 
+        const QString message = tr("Trackers are merged from new source");
         LogMsg(tr("Detected an attempt to add a duplicate torrent. Existing torrent: %1. Result: %2")
-                .arg(torrent->name(), tr("Trackers are merged from new source")));
+                .arg(torrent->name(), message));
+        emit addTorrentFailed(infoHash, {AddTorrentError::DuplicateTorrent, message});
         return false;
     }
 
@@ -5707,7 +5717,9 @@ void SessionImpl::handleAddTorrentAlert(const lt::add_torrent_alert *alert)
         if (const auto loadingTorrentsIter = m_loadingTorrents.find(TorrentID::fromInfoHash(infoHash))
                 ; loadingTorrentsIter != m_loadingTorrents.end())
         {
-            emit addTorrentFailed(infoHash, msg);
+            const AddTorrentError::Kind errorKind = (alert->error == lt::errors::duplicate_torrent)
+                    ? AddTorrentError::DuplicateTorrent : AddTorrentError::Other;
+            emit addTorrentFailed(infoHash, {errorKind, msg});
             m_loadingTorrents.erase(loadingTorrentsIter);
         }
         else if (const auto downloadedMetadataIter = m_downloadedMetadata.find(TorrentID::fromInfoHash(infoHash))
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..72cbf0a38 100644
--- a/src/base/bittorrent/torrent.h
+++ b/src/base/bittorrent/torrent.h
@@ -132,8 +132,6 @@ 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;
 
diff --git a/src/base/bittorrent/torrentimpl.cpp b/src/base/bittorrent/torrentimpl.cpp
index 45cc7f3bf..96547fe77 100644
--- a/src/base/bittorrent/torrentimpl.cpp
+++ b/src/base/bittorrent/torrentimpl.cpp
@@ -1549,7 +1549,8 @@ 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
@@ -2712,8 +2713,6 @@ 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 +2726,6 @@ 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 +2739,6 @@ 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)
     {
diff --git a/src/base/rss/rss_autodownloader.cpp b/src/base/rss/rss_autodownloader.cpp
index a365a53ef..c40218457 100644
--- a/src/base/rss/rss_autodownloader.cpp
+++ b/src/base/rss/rss_autodownloader.cpp
@@ -375,10 +375,24 @@ void AutoDownloader::handleTorrentAdded(const QString &source)
     }
 }
 
-void AutoDownloader::handleAddTorrentFailed(const QString &source)
+void AutoDownloader::handleAddTorrentFailed(const QString &source, const BitTorrent::AddTorrentError &error)
 {
-    m_waitingJobs.remove(source);
-    // TODO: Re-schedule job here.
+    const auto job = m_waitingJobs.take(source);
+    if (!job)
+        return;
+
+    if (error.kind == BitTorrent::AddTorrentError::DuplicateTorrent)
+    {
+        if (Feed *feed = Session::instance()->feedByURL(job->feedURL))
+        {
+            if (Article *article = feed->articleByGUID(job->articleData.value(Article::KeyId).toString()))
+                article->markAsRead();
+        }
+    }
+    else
+    {
+        // TODO: Re-schedule job here.
+    }
 }
 
 void AutoDownloader::handleNewArticle(const Article *article)
diff --git a/src/base/rss/rss_autodownloader.h b/src/base/rss/rss_autodownloader.h
index e69877fb8..dcd752bcf 100644
--- a/src/base/rss/rss_autodownloader.h
+++ b/src/base/rss/rss_autodownloader.h
@@ -37,6 +37,7 @@
 #include <QSharedPointer>
 
 #include "base/applicationcomponent.h"
+#include "base/bittorrent/addtorrenterror.h"
 #include "base/exceptions.h"
 #include "base/settingvalue.h"
 #include "base/utils/thread.h"
@@ -111,7 +112,7 @@ namespace RSS
     private slots:
         void process();
         void handleTorrentAdded(const QString &source);
-        void handleAddTorrentFailed(const QString &url);
+        void handleAddTorrentFailed(const QString &url, const BitTorrent::AddTorrentError &error);
         void handleNewArticle(const Article *article);
         void handleFeedURLChanged(Feed *feed, const QString &oldURL);
 
diff --git a/src/base/utils/random.cpp b/src/base/utils/random.cpp
index 57f84c753..bc0ec3392 100644
--- a/src/base/utils/random.cpp
+++ b/src/base/utils/random.cpp
@@ -42,7 +42,7 @@
 
 uint32_t Utils::Random::rand(const uint32_t min, const uint32_t max)
 {
-    static RandomLayer layer;
+    static const RandomLayer layer;
 
     // new distribution is cheap: https://stackoverflow.com/a/19036349
     std::uniform_int_distribution<uint32_t> uniform(min, max);
diff --git a/src/base/utils/randomlayer_linux.cpp b/src/base/utils/randomlayer_linux.cpp
index 29b24631c..81310f3bb 100644
--- a/src/base/utils/randomlayer_linux.cpp
+++ b/src/base/utils/randomlayer_linux.cpp
@@ -27,6 +27,7 @@
  */
 
 #include <cerrno>
+#include <cstdio>
 #include <cstring>
 #include <limits>
 
@@ -44,6 +45,27 @@ namespace
 
         RandomLayer()
         {
+            if (::getrandom(nullptr, 0, 0) < 0)
+            {
+                if (errno == ENOSYS)
+                {
+                    // underlying kernel does not implement this system call
+                    // fallback to `urandom`
+                    m_randDev = fopen("/dev/urandom", "rb");
+                    if (!m_randDev)
+                        qFatal("Failed to open /dev/urandom. Reason: \"%s\". Error code: %d.", std::strerror(errno), errno);
+                }
+                else
+                {
+                    qFatal("getrandom() error. Reason: \"%s\". Error code: %d.", std::strerror(errno), errno);
+                }
+            }
+        }
+
+        ~RandomLayer()
+        {
+            if (m_randDev)
+                fclose(m_randDev);
         }
 
         static constexpr result_type min()
@@ -56,7 +78,15 @@ namespace
             return std::numeric_limits<result_type>::max();
         }
 
-        result_type operator()()
+        result_type operator()() const
+        {
+            if (!m_randDev)
+                return getRandomViaAPI();
+            return getRandomViaFile();
+        }
+
+    private:
+        result_type getRandomViaAPI() const
         {
             const int RETRY_MAX = 3;
 
@@ -68,10 +98,21 @@ namespace
                     return buf;
 
                 if (result < 0)
-                    qFatal("getrandom() error. Reason: %s. Error code: %d.", std::strerror(errno), errno);
+                    qFatal("getrandom() error. Reason: \"%s\". Error code: %d.", std::strerror(errno), errno);
             }
 
             qFatal("getrandom() failed. Reason: too many retries.");
         }
+
+        result_type getRandomViaFile() const
+        {
+            result_type buf = 0;
+            if (fread(&buf, sizeof(buf), 1, m_randDev) == 1)
+                return buf;
+
+            qFatal("Read /dev/urandom error. Reason: \"%s\". Error code: %d.", std::strerror(errno), errno);
+        }
+
+        FILE *m_randDev = nullptr;
     };
 }
diff --git a/src/base/utils/randomlayer_other.cpp b/src/base/utils/randomlayer_other.cpp
index fa7e61f38..4e794a1ae 100644
--- a/src/base/utils/randomlayer_other.cpp
+++ b/src/base/utils/randomlayer_other.cpp
@@ -46,7 +46,7 @@ namespace
             : m_randDev {fopen("/dev/urandom", "rb")}
         {
             if (!m_randDev)
-                qFatal("Failed to open /dev/urandom. Reason: %s. Error code: %d.", std::strerror(errno), errno);
+                qFatal("Failed to open /dev/urandom. Reason: \"%s\". Error code: %d.", std::strerror(errno), errno);
         }
 
         ~RandomLayer()
@@ -67,10 +67,10 @@ namespace
         result_type operator()() const
         {
             result_type buf = 0;
-            if (fread(&buf, sizeof(buf), 1, m_randDev) != 1)
-                qFatal("Read /dev/urandom error. Reason: %s. Error code: %d.", std::strerror(errno), errno);
+            if (fread(&buf, sizeof(buf), 1, m_randDev) == 1)
+                return buf;
 
-            return buf;
+            qFatal("Read /dev/urandom error. Reason: \"%s\". Error code: %d.", std::strerror(errno), errno);
         }
 
     private:
diff --git a/src/base/utils/randomlayer_win.cpp b/src/base/utils/randomlayer_win.cpp
index 916ed6acf..946a26c94 100644
--- a/src/base/utils/randomlayer_win.cpp
+++ b/src/base/utils/randomlayer_win.cpp
@@ -60,7 +60,7 @@ namespace
             return std::numeric_limits<result_type>::max();
         }
 
-        result_type operator()()
+        result_type operator()() const
         {
             result_type buf = 0;
             const bool result = m_processPrng(reinterpret_cast<PBYTE>(&buf), sizeof(buf));
diff --git a/src/base/utils/string.cpp b/src/base/utils/string.cpp
index f3fc4d87e..2dc408c85 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, 1))
+    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/optionsdialog.ui b/src/gui/optionsdialog.ui
index 71906f13b..4d124915f 100644
--- a/src/gui/optionsdialog.ui
+++ b/src/gui/optionsdialog.ui
@@ -3021,9 +3021,6 @@ 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>
@@ -3283,15 +3280,9 @@ 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/propertieswidget.cpp b/src/gui/properties/propertieswidget.cpp
index d5c2b03a4..fe7870272 100644
--- a/src/gui/properties/propertieswidget.cpp
+++ b/src/gui/properties/propertieswidget.cpp
@@ -439,10 +439,10 @@ 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())
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/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 cd6b44653..f553f5c6b 100644
--- a/src/gui/transferlistwidget.cpp
+++ b/src/gui/transferlistwidget.cpp
@@ -311,10 +311,7 @@ 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
         {
@@ -616,10 +613,7 @@ 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
         {
@@ -1448,3 +1442,13 @@ 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/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/torrentscontroller.cpp b/src/webui/api/torrentscontroller.cpp
index 324bb89d6..39e536867 100644
--- a/src/webui/api/torrentscontroller.cpp
+++ b/src/webui/api/torrentscontroller.cpp
@@ -522,8 +522,8 @@ 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()},
diff --git a/src/webui/www/private/index.html b/src/webui/www/private/index.html
index da0b74d7e..f201d0efb 100644
--- a/src/webui/www/private/index.html
+++ b/src/webui/www/private/index.html
@@ -26,6 +26,7 @@
     <script defer src="scripts/lib/MooTools-Core-1.6.0-compat-compressed.js"></script>
     <script defer src="scripts/lib/MooTools-More-1.6.0-compat-compressed.js"></script>
     <script defer src="scripts/lib/mocha.min.js"></script>
+    <script defer src="scripts/monkeypatch.js?v=${CACHEID}"></script>
     <script defer src="scripts/cache.js?v=${CACHEID}"></script>
     <script defer src="scripts/localpreferences.js?v=${CACHEID}"></script>
     <script defer src="scripts/color-scheme.js?v=${CACHEID}"></script>
diff --git a/src/webui/www/private/newcategory.html b/src/webui/www/private/newcategory.html
index b2ec949fa..6e36e26d5 100644
--- a/src/webui/www/private/newcategory.html
+++ b/src/webui/www/private/newcategory.html
@@ -147,9 +147,9 @@
                         break;
                 }
             });
-        });
 
-        window.qBittorrent.pathAutofill.attachPathAutofill();
+            window.qBittorrent.pathAutofill.attachPathAutofill();
+        });
     </script>
 </head>
 
diff --git a/src/webui/www/private/newfolder.html b/src/webui/www/private/newfolder.html
index 30db4c450..bfbeceead 100644
--- a/src/webui/www/private/newfolder.html
+++ b/src/webui/www/private/newfolder.html
@@ -10,7 +10,6 @@
     <script src="scripts/localpreferences.js?v=${CACHEID}"></script>
     <script src="scripts/color-scheme.js?v=${CACHEID}"></script>
     <script src="scripts/misc.js?locale=${LANG}&v=${CACHEID}"></script>
-    <script src="scripts/pathAutofill.js?v=${CACHEID}"></script>
     <script>
         "use strict";
 
@@ -62,15 +61,13 @@
                     });
             });
         });
-
-        window.qBittorrent.pathAutofill.attachPathAutofill();
     </script>
 </head>
 
 <body>
     <div style="padding: 10px 10px 0px 10px;">
         <label for="folderName" style="font-weight: bold;">QBT_TR(Folder name:)QBT_TR[CONTEXT=RSSWidget]</label>
-        <input type="text" id="folderName" class="pathDirectory" style="width: 320px;">
+        <input type="text" id="folderName" style="width: 320px;">
         <div style="text-align: center; padding-top: 10px;">
             <input type="button" value="QBT_TR(OK)QBT_TR[CONTEXT=HttpServer]" id="submitButton">
         </div>
diff --git a/src/webui/www/private/rename_files.html b/src/webui/www/private/rename_files.html
index f8eefa009..514efa4f4 100644
--- a/src/webui/www/private/rename_files.html
+++ b/src/webui/www/private/rename_files.html
@@ -411,7 +411,7 @@
                 <label for="multirename_rememberprefs_checkbox">QBT_TR(Remember Multi-Rename settings)QBT_TR[CONTEXT=OptionsDialog]</label>
             </div>
             <hr>
-            <textarea id="multiRenameSearch" placeholder="QBT_TR(Search Files)QBT_TR[CONTEXT=PropertiesWidget]" aria-label="QBT_TR(Search Files)QBT_TR[CONTEXT=PropertiesWidget]" style="width: calc(100% - 8px); resize: vertical; min-height: 30px;"></textarea>
+            <textarea id="multiRenameSearch" placeholder="QBT_TR(Search Files)QBT_TR[CONTEXT=PropertiesWidget]" aria-label="QBT_TR(Search Files)QBT_TR[CONTEXT=PropertiesWidget]" style="width: calc(100% - 8px); resize: vertical; min-height: 30px; font-family: monospace;"></textarea>
             <div class="formRow">
                 <input type="checkbox" id="use_regex_search">
                 <label for="use_regex_search">QBT_TR(Use regular expressions)QBT_TR[CONTEXT=PropertiesWidget]</label>
@@ -425,7 +425,7 @@
                 <label for="case_sensitive">QBT_TR(Case sensitive)QBT_TR[CONTEXT=PropertiesWidget]</label>
             </div>
             <hr>
-            <textarea id="multiRenameReplace" placeholder="QBT_TR(Replacement Input)QBT_TR[CONTEXT=PropertiesWidget]" aria-label="QBT_TR(Replacement Input)QBT_TR[CONTEXT=PropertiesWidget]" style="width: calc(100% - 8px); resize: vertical; min-height: 30px;"></textarea>
+            <textarea id="multiRenameReplace" placeholder="QBT_TR(Replacement Input)QBT_TR[CONTEXT=PropertiesWidget]" aria-label="QBT_TR(Replacement Input)QBT_TR[CONTEXT=PropertiesWidget]" style="width: calc(100% - 8px); resize: vertical; min-height: 30px; font-family: monospace;"></textarea>
             <select id="applies_to_option" name="applies_to_option" aria-label="QBT_TR(Apply to which filename part)QBT_TR[CONTEXT=PropertiesWidget]" style="width: 100%; margin-bottom: 5px;">
                 <option selected value="FilenameExtension">QBT_TR(Filename + Extension)QBT_TR[CONTEXT=PropertiesWidget]</option>
                 <option value="Filename">QBT_TR(Filename)QBT_TR[CONTEXT=PropertiesWidget]</option>
diff --git a/src/webui/www/private/scripts/client.js b/src/webui/www/private/scripts/client.js
index 6a7511293..f960ba03b 100644
--- a/src/webui/www/private/scripts/client.js
+++ b/src/webui/www/private/scripts/client.js
@@ -174,7 +174,9 @@ let selectedStatus = LocalPreferences.get("selected_filter", "all");
 let setStatusFilter = () => {};
 let toggleFilterDisplay = () => {};
 
-window.addEventListener("DOMContentLoaded", () => {
+window.addEventListener("DOMContentLoaded", (event) => {
+    window.qBittorrent.LocalPreferences.upgrade();
+
     let isSearchPanelLoaded = false;
     let isLogPanelLoaded = false;
     let isRssPanelLoaded = false;
@@ -497,7 +499,7 @@ window.addEventListener("DOMContentLoaded", () => {
         if (!categoryList)
             return;
 
-        [...categoryList.children].forEach((el) => { el.destroy(); });
+        [...categoryList.children].forEach((el) => { el.remove(); });
 
         const categoryItemTemplate = document.getElementById("categoryFilterItem");
 
@@ -618,7 +620,7 @@ window.addEventListener("DOMContentLoaded", () => {
         if (tagFilterList === null)
             return;
 
-        [...tagFilterList.children].forEach((el) => { el.destroy(); });
+        [...tagFilterList.children].forEach((el) => { el.remove(); });
 
         const tagItemTemplate = document.getElementById("tagFilterItem");
 
@@ -671,7 +673,7 @@ window.addEventListener("DOMContentLoaded", () => {
         if (trackerFilterList === null)
             return;
 
-        [...trackerFilterList.children].forEach((el) => { el.destroy(); });
+        [...trackerFilterList.children].forEach((el) => { el.remove(); });
 
         const trackerItemTemplate = document.getElementById("trackerFilterItem");
 
@@ -989,9 +991,9 @@ window.addEventListener("DOMContentLoaded", () => {
                 lastExternalAddressLabel = "QBT_TR(External IPs: %1, %2)QBT_TR[CONTEXT=HttpServer]";
             else if (hasIPv4Address || hasIPv6Address)
                 lastExternalAddressLabel = "QBT_TR(External IP: %1%2)QBT_TR[CONTEXT=HttpServer]";
-            // replace in reverse order ('%2' before '%1') in case address contains a % character.
-            // for example, see https://en.wikipedia.org/wiki/IPv6_address#Scoped_literal_IPv6_addresses_(with_zone_index)
-            externalIPsElement.textContent = lastExternalAddressLabel.replace("%2", lastExternalAddressV6).replace("%1", lastExternalAddressV4);
+            // https://en.wikipedia.org/wiki/IPv6_address#Scoped_literal_IPv6_addresses_(with_zone_index)
+            lastExternalAddressLabel = lastExternalAddressLabel.replace("%1", lastExternalAddressV4).replace("%2", lastExternalAddressV6);
+            externalIPsElement.textContent = lastExternalAddressLabel;
             externalIPsElement.classList.remove("invisible");
             externalIPsElement.previousElementSibling.classList.remove("invisible");
         }
diff --git a/src/webui/www/private/scripts/contextmenu.js b/src/webui/www/private/scripts/contextmenu.js
index 7831461bf..7cce52ab6 100644
--- a/src/webui/www/private/scripts/contextmenu.js
+++ b/src/webui/www/private/scripts/contextmenu.js
@@ -478,7 +478,7 @@ window.qBittorrent.ContextMenu ??= (() => {
 
         updateCategoriesSubMenu(categories) {
             const contextCategoryList = $("contextCategoryList");
-            [...contextCategoryList.children].forEach((el) => { el.destroy(); });
+            [...contextCategoryList.children].forEach((el) => { el.remove(); });
 
             const createMenuItem = (text, imgURL, clickFn) => {
                 const anchor = document.createElement("a");
diff --git a/src/webui/www/private/scripts/dynamicTable.js b/src/webui/www/private/scripts/dynamicTable.js
index 83100fbe8..dcaf5ee2e 100644
--- a/src/webui/www/private/scripts/dynamicTable.js
+++ b/src/webui/www/private/scripts/dynamicTable.js
@@ -907,14 +907,14 @@ window.qBittorrent.DynamicTable ??= (() => {
             this.selectedRows.erase(rowId);
             this.rows.delete(rowId);
             const tr = this.getTrByRowId(rowId);
-            tr?.destroy();
+            tr?.remove();
         },
 
         clear: function() {
             this.deselectAll();
             this.rows.clear();
             for (const tr of this.getTrs())
-                tr.destroy();
+                tr.remove();
         },
 
         selectedRowsIds: function() {
diff --git a/src/webui/www/private/scripts/localpreferences.js b/src/webui/www/private/scripts/localpreferences.js
index deb0c159f..98991913c 100644
--- a/src/webui/www/private/scripts/localpreferences.js
+++ b/src/webui/www/private/scripts/localpreferences.js
@@ -1,5 +1,6 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2025  Mike Tzou (Chocobo1)
  * Copyright (C) 2019  Thomas Piccirello <thomas.piccirello@gmail.com>
  *
  * This program is free software; you can redistribute it and/or
@@ -32,7 +33,8 @@ window.qBittorrent ??= {};
 window.qBittorrent.LocalPreferences ??= (() => {
     const exports = () => {
         return {
-            LocalPreferences: LocalPreferences
+            LocalPreferences: LocalPreferences,
+            upgrade: upgrade
         };
     };
 
@@ -53,6 +55,10 @@ window.qBittorrent.LocalPreferences ??= (() => {
             }
         }
 
+        size() {
+            return localStorage.length;
+        }
+
         remove(key) {
             try {
                 localStorage.removeItem(key);
@@ -63,6 +69,40 @@ window.qBittorrent.LocalPreferences ??= (() => {
         }
     };
 
+    const localPreferences = new LocalPreferences();
+
+    const upgrade = () => {
+        const MIGRATION_VERSION = 1;
+        const MIGRATION_VERSION_KEY = "MigrationVersion";
+
+        // clean start
+        if (localPreferences.size() === 0) {
+            localPreferences.set(MIGRATION_VERSION_KEY, MIGRATION_VERSION);
+            return;
+        }
+
+        // already in use
+        const version = Number(localPreferences.get(MIGRATION_VERSION_KEY)); // `0` on first initialization
+        if (version !== MIGRATION_VERSION) {
+            if (version < 1)
+                resetSideFilters();
+
+            localPreferences.set(MIGRATION_VERSION_KEY, MIGRATION_VERSION);
+        }
+    };
+
+    const resetSideFilters = () => {
+        // conditionally reset the filter to default to avoid none selected
+        const clear = (key) => {
+            const value = Number(localPreferences.get(key));
+            if ((value === 1) || (value === 2)) // affected values
+                localPreferences.remove(key);
+        };
+        clear("selected_category");
+        clear("selected_tag");
+        clear("selected_tracker");
+    };
+
     return exports();
 })();
 Object.freeze(window.qBittorrent.LocalPreferences);
diff --git a/src/webui/www/private/scripts/monkeypatch.js b/src/webui/www/private/scripts/monkeypatch.js
new file mode 100644
index 000000000..a2aafd69f
--- /dev/null
+++ b/src/webui/www/private/scripts/monkeypatch.js
@@ -0,0 +1,72 @@
+/*
+ * Bittorrent Client using Qt and libtorrent.
+ * Copyright (C) 2025  bolshoytoster <toasterbig@gmail.com>
+ * Copyright (C) 2025  Mike Tzou (Chocobo1)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ */
+
+"use strict";
+
+window.qBittorrent ??= {};
+window.qBittorrent.MonkeyPatch ??= (() => {
+    const exports = () => {
+        return {
+            patch: patch
+        };
+    };
+
+    const patch = () => {
+        patchMootoolsDocumentId();
+    };
+
+    const patchMootoolsDocumentId = () => {
+        // Override MooTools' `document.id` (used for `$(id)`), which prevents it
+        // from allocating a `uniqueNumber` for elements that don't need it.
+        // MooTools and MochaUI use it internally.
+
+        if (document.id === undefined)
+            return;
+
+        document.id = (el) => {
+            if ((el === null) || (el === undefined))
+                return null;
+
+            switch (typeof el) {
+                case "object":
+                    return el;
+                case "string":
+                    return document.getElementById(el);
+            }
+
+            return null;
+        };
+    };
+
+    return exports();
+})();
+Object.freeze(window.qBittorrent.MonkeyPatch);
+
+// execute now
+window.qBittorrent.MonkeyPatch.patch();
diff --git a/src/webui/www/private/scripts/search.js b/src/webui/www/private/scripts/search.js
index 3dc0b454b..7c56fe8a2 100644
--- a/src/webui/www/private/scripts/search.js
+++ b/src/webui/www/private/scripts/search.js
@@ -248,7 +248,7 @@ window.qBittorrent.Search ??= (() => {
         if (state && state.running)
             stopSearch(searchId);
 
-        tab.destroy();
+        tab.remove();
 
         fetch("api/v2/search/delete", {
             method: "POST",
diff --git a/src/webui/www/private/setlocation.html b/src/webui/www/private/setlocation.html
index 1455340df..a4ac92bcd 100644
--- a/src/webui/www/private/setlocation.html
+++ b/src/webui/www/private/setlocation.html
@@ -10,6 +10,7 @@
     <script src="scripts/localpreferences.js?v=${CACHEID}"></script>
     <script src="scripts/color-scheme.js?v=${CACHEID}"></script>
     <script src="scripts/misc.js?locale=${LANG}&v=${CACHEID}"></script>
+    <script src="scripts/pathAutofill.js?v=${CACHEID}"></script>
     <script>
         "use strict";
 
@@ -62,6 +63,8 @@
                         window.parent.qBittorrent.Client.closeFrameWindow(window);
                     });
             });
+
+            window.qBittorrent.pathAutofill.attachPathAutofill();
         });
     </script>
 </head>
@@ -69,7 +72,7 @@
 <body>
     <div style="padding: 10px 10px 0px 10px;">
         <label for="setLocation" style="font-weight: bold;">QBT_TR(Location:)QBT_TR[CONTEXT=TransferListWidget]</label>
-        <input type="text" id="setLocation" autocorrect="off" autocapitalize="none" style="width: 99%;">
+        <input type="text" id="setLocation" class="pathDirectory" autocorrect="off" autocapitalize="none" style="width: 99%;">
         <div style="float: none; width: 99%;" id="error_div">&nbsp;</div>
         <div style="text-align: center; padding-top: 10px;">
             <input type="button" value="QBT_TR(Save)QBT_TR[CONTEXT=HttpServer]" id="setLocationButton">
diff --git a/src/webui/www/private/shareratio.html b/src/webui/www/private/shareratio.html
index b106e72b8..10f5a0bd7 100644
--- a/src/webui/www/private/shareratio.html
+++ b/src/webui/www/private/shareratio.html
@@ -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/views/cookies.html b/src/webui/www/private/views/cookies.html
index e7e301057..f6ffe4000 100644
--- a/src/webui/www/private/views/cookies.html
+++ b/src/webui/www/private/views/cookies.html
@@ -104,7 +104,7 @@
         };
 
         const deleteCookie = (element) => {
-            element.closest("tr").destroy();
+            element.closest("tr").remove();
         };
 
         const save = () => {
diff --git a/src/webui/www/private/views/preferences.html b/src/webui/www/private/views/preferences.html
index 727eb318d..2cca336c6 100644
--- a/src/webui/www/private/views/preferences.html
+++ b/src/webui/www/private/views/preferences.html
@@ -2110,7 +2110,7 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
 
         // Advanced Tab
         const updateNetworkInterfaces = (default_iface, default_iface_name) => {
-            [...document.getElementById("networkInterface").children].forEach((el) => { el.destroy(); });
+            [...document.getElementById("networkInterface").children].forEach((el) => { el.remove(); });
 
             fetch("api/v2/app/networkInterfaceList", {
                     method: "GET",
@@ -2139,7 +2139,7 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
         };
 
         const updateInterfaceAddresses = (iface, default_addr) => {
-            [...document.getElementById("optionalIPAddressToBind").children].forEach((el) => { el.destroy(); });
+            [...document.getElementById("optionalIPAddressToBind").children].forEach((el) => { el.remove(); });
 
             const url = new URL("api/v2/app/networkInterfaceAddressList", window.location);
             url.search = new URLSearchParams({
@@ -2876,22 +2876,22 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
             }
 
             // Share Ratio Limiting
-            let max_ratio = -1;
-            if ($("max_ratio_checkbox").checked) {
-                max_ratio = Number($("max_ratio_value").value);
-                if (isNaN(max_ratio) || (max_ratio < 0) || (max_ratio > 9998)) {
-                    alert("QBT_TR(Share ratio limit must be between 0 and 9998.)QBT_TR[CONTEXT=HttpServer]");
+            let maxRatio = -1;
+            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"] = $("max_ratio_checkbox").checked;
             settings["max_ratio"] = max_ratio;
 
-            let max_seeding_time = -1;
-            if ($("max_seeding_time_checkbox").checked) {
-                max_seeding_time = Number($("max_seeding_time_value").value);
-                if (isNaN(max_seeding_time) || (max_seeding_time < 0) || (max_seeding_time > 525600)) {
-                    alert("QBT_TR(Seeding time limit must be between 0 and 525600 minutes.)QBT_TR[CONTEXT=HttpServer]");
+            let maxSeedingTime = -1;
+            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;
                 }
             }
@@ -2899,11 +2899,11 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
             settings["max_seeding_time"] = max_seeding_time;
             settings["max_ratio_act"] = Number($("max_ratio_act").value);
 
-            let max_inactive_seeding_time = -1;
-            if ($("max_inactive_seeding_time_checkbox").checked) {
-                max_inactive_seeding_time = Number($("max_inactive_seeding_time_value").value);
-                if (isNaN(max_inactive_seeding_time) || (max_inactive_seeding_time < 0) || (max_inactive_seeding_time > 525600)) {
-                    alert("QBT_TR(Seeding time limit must be between 0 and 525600 minutes.)QBT_TR[CONTEXT=HttpServer]");
+            let maxInactiveSeedingTime = -1;
+            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;
                 }
             }
diff --git a/src/webui/www/private/views/properties.html b/src/webui/www/private/views/properties.html
index e3cb42b1b..fbcaa1d53 100644
--- a/src/webui/www/private/views/properties.html
+++ b/src/webui/www/private/views/properties.html
@@ -1,4 +1,4 @@
-<div id="propGeneral" class="propertiesTabContent invisible unselectable">
+<div id="propGeneral" class="propertiesTabContent invisible">
     <div id="propProgressWrapper">
         <span>QBT_TR(Progress:)QBT_TR[CONTEXT=PropertiesWidget]</span>
         <span id="progress"></span>
diff --git a/src/webui/www/private/views/rss.html b/src/webui/www/private/views/rss.html
index 31d0b2561..0e8a761f2 100644
--- a/src/webui/www/private/views/rss.html
+++ b/src/webui/www/private/views/rss.html
@@ -422,7 +422,7 @@
         };
 
         const clearDetails = () => {
-            [...document.getElementById("rssDetailsView").children].forEach((el) => { el.destroy(); });
+            [...document.getElementById("rssDetailsView").children].forEach((el) => { el.remove(); });
         };
 
         const showDetails = (feedUid, articleID) => {
diff --git a/src/webui/www/webui.qrc b/src/webui/www/webui.qrc
index 15f55ca02..ef883f989 100644
--- a/src/webui/www/webui.qrc
+++ b/src/webui/www/webui.qrc
@@ -407,6 +407,7 @@
         <file>private/scripts/localpreferences.js</file>
         <file>private/scripts/misc.js</file>
         <file>private/scripts/mocha-init.js</file>
+        <file>private/scripts/monkeypatch.js</file>
         <file>private/scripts/pathAutofill.js</file>
         <file>private/scripts/piecesbar.js</file>
         <file>private/scripts/progressbar.js</file>