diff --git a/.tx/config b/.tx/config
index 2b8d3296e..28fa38bf9 100644
--- a/.tx/config
+++ b/.tx/config
@@ -3,7 +3,7 @@ host = https://www.transifex.com
 
 [qbittorrent.qbittorrent_master]
 file_filter = src/lang/qbittorrent_<lang>.ts
-lang_map = pt: pt_PT
+lang_map = pt: pt_PT, zh: zh_CN
 source_file = src/lang/qbittorrent_en.ts
 source_lang = en
 type = QT
@@ -19,7 +19,7 @@ mode = developer
 
 [qbittorrent.qbittorrent_webui]
 file_filter = src/webui/www/translations/webui_<lang>.ts
-lang_map = pt: pt_PT
+lang_map = pt: pt_PT, zh: zh_CN
 source_file = src/webui/www/translations/webui_en.ts
 source_lang = en
 type = QT
diff --git a/src/app/application.cpp b/src/app/application.cpp
index 4af731821..1b1bcfb85 100644
--- a/src/app/application.cpp
+++ b/src/app/application.cpp
@@ -882,7 +882,7 @@ void Application::createStartupProgressDialog()
     m_startupProgressDialog = new QProgressDialog(tr("Loading torrents..."), tr("Exit"), 0, 100);
     m_startupProgressDialog->setAttribute(Qt::WA_DeleteOnClose);
     m_startupProgressDialog->setWindowFlag(Qt::WindowMinimizeButtonHint);
-    m_startupProgressDialog->setMinimumDuration(0); // Show dialog immediatelly by default
+    m_startupProgressDialog->setMinimumDuration(0); // Show dialog immediately by default
     m_startupProgressDialog->setAutoReset(false);
     m_startupProgressDialog->setAutoClose(false);
 
diff --git a/src/base/bittorrent/bencoderesumedatastorage.cpp b/src/base/bittorrent/bencoderesumedatastorage.cpp
index f500c5e2d..5c13d0926 100644
--- a/src/base/bittorrent/bencoderesumedatastorage.cpp
+++ b/src/base/bittorrent/bencoderesumedatastorage.cpp
@@ -210,7 +210,6 @@ BitTorrent::LoadResumeDataResult BitTorrent::BencodeResumeDataStorage::loadTorre
         return nonstd::make_unexpected(tr("Cannot parse resume data: invalid format"));
 
     LoadTorrentParams torrentParams;
-    torrentParams.restored = true;
     torrentParams.category = fromLTString(resumeDataRoot.dict_find_string_value("qBt-category"));
     torrentParams.name = fromLTString(resumeDataRoot.dict_find_string_value("qBt-name"));
     torrentParams.hasSeedStatus = resumeDataRoot.dict_find_int_value("qBt-seedStatus");
diff --git a/src/base/bittorrent/dbresumedatastorage.cpp b/src/base/bittorrent/dbresumedatastorage.cpp
index 2a3d9e0a8..dfaece90e 100644
--- a/src/base/bittorrent/dbresumedatastorage.cpp
+++ b/src/base/bittorrent/dbresumedatastorage.cpp
@@ -196,7 +196,6 @@ namespace BitTorrent
         LoadTorrentParams parseQueryResultRow(const QSqlQuery &query)
         {
             LoadTorrentParams resumeData;
-            resumeData.restored = true;
             resumeData.name = query.value(DB_COLUMN_NAME.name).toString();
             resumeData.category = query.value(DB_COLUMN_CATEGORY.name).toString();
             const QString tagsData = query.value(DB_COLUMN_TAGS.name).toString();
diff --git a/src/base/bittorrent/loadtorrentparams.h b/src/base/bittorrent/loadtorrentparams.h
index f49870c89..ca3d914fb 100644
--- a/src/base/bittorrent/loadtorrentparams.h
+++ b/src/base/bittorrent/loadtorrentparams.h
@@ -58,7 +58,5 @@ namespace BitTorrent
 
         qreal ratioLimit = Torrent::USE_GLOBAL_RATIO;
         int seedingTimeLimit = Torrent::USE_GLOBAL_SEEDING_TIME;
-
-        bool restored = false;  // is existing torrent job?
     };
 }
diff --git a/src/base/bittorrent/peerinfo.cpp b/src/base/bittorrent/peerinfo.cpp
index c3e66d7c8..45b8a158a 100644
--- a/src/base/bittorrent/peerinfo.cpp
+++ b/src/base/bittorrent/peerinfo.cpp
@@ -181,6 +181,31 @@ QString PeerInfo::client() const
     return QString::fromStdString(m_nativeInfo.client);
 }
 
+QString PeerInfo::peerIdClient() const
+{
+    // when peer ID is not known yet it contains only zero bytes,
+    // do not create string in such case, return empty string instead
+    if (m_nativeInfo.pid.is_all_zeros())
+        return {};
+
+    QString result;
+
+    // interesting part of a typical peer ID is first 8 chars
+    for (int i = 0; i < 8; ++i)
+    {
+        const std::uint8_t c = m_nativeInfo.pid[i];
+
+        // ensure that the peer ID slice consists only of printable ASCII characters,
+        // this should filter out most of the improper IDs
+        if ((c < 32) || (c > 126))
+            return tr("Unknown");
+
+        result += QChar::fromLatin1(c);
+    }
+
+    return result;
+}
+
 qreal PeerInfo::progress() const
 {
     return m_nativeInfo.progress;
diff --git a/src/base/bittorrent/peerinfo.h b/src/base/bittorrent/peerinfo.h
index f7f51d177..6c7cb7b1c 100644
--- a/src/base/bittorrent/peerinfo.h
+++ b/src/base/bittorrent/peerinfo.h
@@ -78,6 +78,7 @@ namespace BitTorrent
 
         PeerAddress address() const;
         QString client() const;
+        QString peerIdClient() const;
         qreal progress() const;
         int payloadUpSpeed() const;
         int payloadDownSpeed() const;
diff --git a/src/base/bittorrent/portforwarderimpl.cpp b/src/base/bittorrent/portforwarderimpl.cpp
index cff7dedac..6ed58329e 100644
--- a/src/base/bittorrent/portforwarderimpl.cpp
+++ b/src/base/bittorrent/portforwarderimpl.cpp
@@ -30,6 +30,7 @@
 
 #include <libtorrent/session.hpp>
 
+#include "base/algorithm.h"
 #include "base/logger.h"
 
 PortForwarderImpl::PortForwarderImpl(lt::session *provider, QObject *parent)
@@ -63,45 +64,64 @@ void PortForwarderImpl::setEnabled(const bool enabled)
     m_storeActive = enabled;
 }
 
-void PortForwarderImpl::addPort(const quint16 port)
+void PortForwarderImpl::setPorts(const QString &profile, QSet<quint16> ports)
 {
-    if (m_mappedPorts.contains(port))
-        return;
-
-    if (isEnabled())
-        m_mappedPorts.insert(port, m_provider->add_port_mapping(lt::session::tcp, port, port));
-    else
-        m_mappedPorts.insert(port, {});
-}
-
-void PortForwarderImpl::deletePort(const quint16 port)
-{
-    const auto iter = m_mappedPorts.find(port);
-    if (iter == m_mappedPorts.end())
-        return;
-
-    if (isEnabled())
+    PortMapping &portMapping = m_portProfiles[profile];
+    Algorithm::removeIf(portMapping, [this, &ports](const quint16 port, const std::vector<lt::port_mapping_t> &handles)
     {
-        for (const lt::port_mapping_t &portMapping : *iter)
-            m_provider->delete_port_mapping(portMapping);
+        // keep existing forwardings
+        const bool isAlreadyMapped = ports.remove(port);
+        if (isAlreadyMapped)
+            return false;
+
+        // remove outdated forwardings
+        for (const lt::port_mapping_t &handle : handles)
+            m_provider->delete_port_mapping(handle);
+        m_forwardedPorts.remove(port);
+
+        return true;
+    });
+
+    // add new forwardings
+    for (const quint16 port : ports)
+    {
+        // port already forwarded/taken by other profile, don't do anything
+        if (m_forwardedPorts.contains(port))
+            continue;
+
+        if (isEnabled())
+            portMapping.insert(port, m_provider->add_port_mapping(lt::session::tcp, port, port));
+        else
+            portMapping.insert(port, {});
+        m_forwardedPorts.insert(port);
     }
 
-    m_mappedPorts.erase(iter);
+    if (portMapping.isEmpty())
+        m_portProfiles.remove(profile);
+}
+
+void PortForwarderImpl::removePorts(const QString &profile)
+{
+    setPorts(profile, {});
 }
 
 void PortForwarderImpl::start()
 {
-    lt::settings_pack settingsPack = m_provider->get_settings();
+    lt::settings_pack settingsPack;
     settingsPack.set_bool(lt::settings_pack::enable_upnp, true);
     settingsPack.set_bool(lt::settings_pack::enable_natpmp, true);
-    m_provider->apply_settings(settingsPack);
+    m_provider->apply_settings(std::move(settingsPack));
 
-    for (auto iter = m_mappedPorts.begin(); iter != m_mappedPorts.end(); ++iter)
+    for (auto profileIter = m_portProfiles.begin(); profileIter != m_portProfiles.end(); ++profileIter)
     {
-        Q_ASSERT(iter.value().empty());
+        PortMapping &portMapping = profileIter.value();
+        for (auto iter = portMapping.begin(); iter != portMapping.end(); ++iter)
+        {
+            Q_ASSERT(iter.value().empty());
 
-        const quint16 port = iter.key();
-        iter.value() = m_provider->add_port_mapping(lt::session::tcp, port, port);
+            const quint16 port = iter.key();
+            iter.value() = m_provider->add_port_mapping(lt::session::tcp, port, port);
+        }
     }
 
     LogMsg(tr("UPnP/NAT-PMP support: ON"), Log::INFO);
@@ -109,14 +129,18 @@ void PortForwarderImpl::start()
 
 void PortForwarderImpl::stop()
 {
-    lt::settings_pack settingsPack = m_provider->get_settings();
+    lt::settings_pack settingsPack;
     settingsPack.set_bool(lt::settings_pack::enable_upnp, false);
     settingsPack.set_bool(lt::settings_pack::enable_natpmp, false);
-    m_provider->apply_settings(settingsPack);
+    m_provider->apply_settings(std::move(settingsPack));
 
-    // don't clear m_mappedPorts so a later `start()` call can restore the port forwarding
-    for (auto iter = m_mappedPorts.begin(); iter != m_mappedPorts.end(); ++iter)
-        iter.value().clear();
+    // don't clear m_portProfiles so a later `start()` call can restore the port forwardings
+    for (auto profileIter = m_portProfiles.begin(); profileIter != m_portProfiles.end(); ++profileIter)
+    {
+        PortMapping &portMapping = profileIter.value();
+        for (auto iter = portMapping.begin(); iter != portMapping.end(); ++iter)
+            iter.value().clear();
+    }
 
     LogMsg(tr("UPnP/NAT-PMP support: OFF"), Log::INFO);
 }
diff --git a/src/base/bittorrent/portforwarderimpl.h b/src/base/bittorrent/portforwarderimpl.h
index dee74ed1c..902b1002c 100644
--- a/src/base/bittorrent/portforwarderimpl.h
+++ b/src/base/bittorrent/portforwarderimpl.h
@@ -34,6 +34,7 @@
 #include <libtorrent/portmap.hpp>
 
 #include <QHash>
+#include <QSet>
 
 #include "base/net/portforwarder.h"
 #include "base/settingvalue.h"
@@ -50,8 +51,8 @@ public:
     bool isEnabled() const override;
     void setEnabled(bool enabled) override;
 
-    void addPort(quint16 port) override;
-    void deletePort(quint16 port) override;
+    void setPorts(const QString &profile, QSet<quint16> ports) override;
+    void removePorts(const QString &profile) override;
 
 private:
     void start();
@@ -59,5 +60,8 @@ private:
 
     CachedSettingValue<bool> m_storeActive;
     lt::session *const m_provider = nullptr;
-    QHash<quint16, std::vector<lt::port_mapping_t>> m_mappedPorts;
+
+    using PortMapping = QHash<quint16, std::vector<lt::port_mapping_t>>;  // <port, handles>
+    QHash<QString, PortMapping> m_portProfiles;
+    QSet<quint16> m_forwardedPorts;
 };
diff --git a/src/base/bittorrent/sessionimpl.cpp b/src/base/bittorrent/sessionimpl.cpp
index e8757d375..7176d0223 100644
--- a/src/base/bittorrent/sessionimpl.cpp
+++ b/src/base/bittorrent/sessionimpl.cpp
@@ -80,6 +80,7 @@
 #include "base/logger.h"
 #include "base/net/downloadmanager.h"
 #include "base/net/proxyconfigurationmanager.h"
+#include "base/preferences.h"
 #include "base/profile.h"
 #include "base/torrentfileguard.h"
 #include "base/torrentfilter.h"
@@ -548,8 +549,6 @@ SessionImpl::SessionImpl(QObject *parent)
     if (isExcludedFileNamesEnabled())
         populateExcludedFileNamesRegExpList();
 
-    enableTracker(isTrackerEnabled());
-
     connect(Net::ProxyConfigurationManager::instance()
         , &Net::ProxyConfigurationManager::proxyConfigurationChanged
         , this, &SessionImpl::configureDeferred);
@@ -569,11 +568,14 @@ SessionImpl::SessionImpl(QObject *parent)
 
     m_ioThread->start();
 
+    initMetrics();
+    loadStatistics();
+
     // initialize PortForwarder instance
     new PortForwarderImpl(m_nativeSession);
 
-    initMetrics();
-    loadStatistics();
+    // start embedded tracker
+    enableTracker(isTrackerEnabled());
 
     prepareStartup();
 }
@@ -1055,25 +1057,25 @@ void SessionImpl::adjustLimits()
 {
     if (isQueueingSystemEnabled())
     {
-        lt::settings_pack settingsPack = m_nativeSession->get_settings();
-        adjustLimits(settingsPack);
-        m_nativeSession->apply_settings(settingsPack);
+        lt::settings_pack settingsPack;
+        // Internally increase the queue limits to ensure that the magnet is started
+        settingsPack.set_int(lt::settings_pack::active_downloads, adjustLimit(maxActiveDownloads()));
+        settingsPack.set_int(lt::settings_pack::active_limit, adjustLimit(maxActiveTorrents()));
+        m_nativeSession->apply_settings(std::move(settingsPack));
     }
 }
 
 void SessionImpl::applyBandwidthLimits()
 {
-    lt::settings_pack settingsPack = m_nativeSession->get_settings();
-    applyBandwidthLimits(settingsPack);
-    m_nativeSession->apply_settings(settingsPack);
+    lt::settings_pack settingsPack;
+    settingsPack.set_int(lt::settings_pack::download_rate_limit, downloadSpeedLimit());
+    settingsPack.set_int(lt::settings_pack::upload_rate_limit, uploadSpeedLimit());
+    m_nativeSession->apply_settings(std::move(settingsPack));
 }
 
 void SessionImpl::configure()
 {
-    lt::settings_pack settingsPack = m_nativeSession->get_settings();
-    loadLTSettings(settingsPack);
-    m_nativeSession->apply_settings(settingsPack);
-
+    m_nativeSession->apply_settings(loadLTSettings());
     configureComponents();
 
     m_deferredConfigureScheduled = false;
@@ -1424,10 +1426,11 @@ void SessionImpl::endStartup(ResumeSessionContext *context)
 
 void SessionImpl::initializeNativeSession()
 {
-    const std::string peerId = lt::generate_fingerprint(PEER_ID, QBT_VERSION_MAJOR, QBT_VERSION_MINOR, QBT_VERSION_BUGFIX, QBT_VERSION_BUILD);
+    lt::settings_pack pack = loadLTSettings();
 
-    lt::settings_pack pack;
+    const std::string peerId = lt::generate_fingerprint(PEER_ID, QBT_VERSION_MAJOR, QBT_VERSION_MINOR, QBT_VERSION_BUGFIX, QBT_VERSION_BUILD);
     pack.set_str(lt::settings_pack::peer_fingerprint, peerId);
+
     pack.set_bool(lt::settings_pack::listen_system_port_fallback, false);
     pack.set_str(lt::settings_pack::user_agent, USER_AGENT.toStdString());
     pack.set_bool(lt::settings_pack::use_dht_as_fallback, false);
@@ -1444,8 +1447,7 @@ void SessionImpl::initializeNativeSession()
     pack.set_bool(lt::settings_pack::enable_set_file_valid_data, true);
 #endif
 
-    loadLTSettings(pack);
-    lt::session_params sessionParams {pack, {}};
+    lt::session_params sessionParams {std::move(pack), {}};
 #ifdef QBT_USES_LIBTORRENT2
     switch (diskIOType())
     {
@@ -1503,28 +1505,14 @@ void SessionImpl::processBannedIPs(lt::ip_filter &filter)
     }
 }
 
-void SessionImpl::adjustLimits(lt::settings_pack &settingsPack) const
+int SessionImpl::adjustLimit(const int limit) const
 {
-    // Internally increase the queue limits to ensure that the magnet is started
-    const auto adjustLimit = [this](const int limit) -> int
-    {
-        if (limit <= -1)
-            return limit;
-        // check for overflow: (limit + m_extraLimit) < std::numeric_limits<int>::max()
-        return (m_extraLimit < (std::numeric_limits<int>::max() - limit))
-            ? (limit + m_extraLimit)
-            : std::numeric_limits<int>::max();
-    };
-
-    settingsPack.set_int(lt::settings_pack::active_downloads, adjustLimit(maxActiveDownloads()));
-    settingsPack.set_int(lt::settings_pack::active_limit, adjustLimit(maxActiveTorrents()));
-}
-
-void SessionImpl::applyBandwidthLimits(lt::settings_pack &settingsPack) const
-{
-    const bool altSpeedLimitEnabled = isAltGlobalSpeedLimitEnabled();
-    settingsPack.set_int(lt::settings_pack::download_rate_limit, altSpeedLimitEnabled ? altGlobalDownloadSpeedLimit() : globalDownloadSpeedLimit());
-    settingsPack.set_int(lt::settings_pack::upload_rate_limit, altSpeedLimitEnabled ? altGlobalUploadSpeedLimit() : globalUploadSpeedLimit());
+    if (limit <= -1)
+        return limit;
+    // check for overflow: (limit + m_extraLimit) < std::numeric_limits<int>::max()
+    return (m_extraLimit < (std::numeric_limits<int>::max() - limit))
+        ? (limit + m_extraLimit)
+        : std::numeric_limits<int>::max();
 }
 
 void SessionImpl::initMetrics()
@@ -1569,8 +1557,10 @@ void SessionImpl::initMetrics()
     m_metricIndices.disk.diskJobTime = findMetricIndex("disk.disk_job_time");
 }
 
-void SessionImpl::loadLTSettings(lt::settings_pack &settingsPack)
+lt::settings_pack SessionImpl::loadLTSettings() const
 {
+    lt::settings_pack settingsPack;
+
     const lt::alert_category_t alertMask = lt::alert::error_notification
         | lt::alert::file_progress_notification
         | lt::alert::ip_block_notification
@@ -1588,8 +1578,10 @@ void SessionImpl::loadLTSettings(lt::settings_pack &settingsPack)
     // It will not take affect until the listen_interfaces settings is updated
     settingsPack.set_int(lt::settings_pack::listen_queue_size, socketBacklogSize());
 
-    configureNetworkInterfaces(settingsPack);
-    applyBandwidthLimits(settingsPack);
+    applyNetworkInterfacesSettings(settingsPack);
+
+    settingsPack.set_int(lt::settings_pack::download_rate_limit, downloadSpeedLimit());
+    settingsPack.set_int(lt::settings_pack::upload_rate_limit, uploadSpeedLimit());
 
     // The most secure, rc4 only so that all streams are encrypted
     settingsPack.set_int(lt::settings_pack::allowed_enc_level, lt::settings_pack::pe_rc4);
@@ -1724,7 +1716,9 @@ void SessionImpl::loadLTSettings(lt::settings_pack &settingsPack)
     // Queueing System
     if (isQueueingSystemEnabled())
     {
-        adjustLimits(settingsPack);
+        // Internally increase the queue limits to ensure that the magnet is started
+        settingsPack.set_int(lt::settings_pack::active_downloads, adjustLimit(maxActiveDownloads()));
+        settingsPack.set_int(lt::settings_pack::active_limit, adjustLimit(maxActiveTorrents()));
 
         settingsPack.set_int(lt::settings_pack::active_seeds, maxActiveUploads());
         settingsPack.set_bool(lt::settings_pack::dont_count_slow_torrents, ignoreSlowTorrentsForQueueing());
@@ -1840,9 +1834,11 @@ void SessionImpl::loadLTSettings(lt::settings_pack &settingsPack)
         settingsPack.set_int(lt::settings_pack::seed_choking_algorithm, lt::settings_pack::anti_leech);
         break;
     }
+
+    return settingsPack;
 }
 
-void SessionImpl::configureNetworkInterfaces(lt::settings_pack &settingsPack)
+void SessionImpl::applyNetworkInterfacesSettings(lt::settings_pack &settingsPack) const
 {
     if (m_listenInterfaceConfigured)
         return;
@@ -1985,16 +1981,27 @@ void SessionImpl::configurePeerClasses()
 
 void SessionImpl::enableTracker(const bool enable)
 {
+    const QString profile = u"embeddedTracker"_qs;
+    auto *portForwarder = Net::PortForwarder::instance();
+
     if (enable)
     {
         if (!m_tracker)
             m_tracker = new Tracker(this);
 
         m_tracker->start();
+
+        const auto *pref = Preferences::instance();
+        if (pref->isTrackerPortForwardingEnabled())
+            portForwarder->setPorts(profile, {static_cast<quint16>(pref->getTrackerPort())});
+        else
+            portForwarder->removePorts(profile);
     }
     else
     {
         delete m_tracker;
+
+        portForwarder->removePorts(profile);
     }
 }
 
@@ -2758,9 +2765,6 @@ bool SessionImpl::addTorrent_impl(const std::variant<MagnetUri, TorrentInfo> &so
 
     p.flags |= lt::torrent_flags::duplicate_is_error;
 
-    // Prevent torrent from saving initial resume data twice
-    p.flags &= ~lt::torrent_flags::need_save_resume;
-
     p.added_time = std::time(nullptr);
 
     // Limits
@@ -2903,10 +2907,8 @@ void SessionImpl::saveResumeData()
         saveTorrentsQueue();
 
     for (const TorrentImpl *torrent : asConst(m_torrents))
-    {
         torrent->nativeHandle().save_resume_data(lt::torrent_handle::only_if_modified);
-        ++m_numResumeData;
-    }
+    m_numResumeData += m_torrents.size();
 
     QElapsedTimer timer;
     timer.start();
@@ -5212,10 +5214,8 @@ TorrentImpl *SessionImpl::createTorrent(const lt::torrent_handle &nativeHandle,
     if (const InfoHash infoHash = torrent->infoHash(); infoHash.isHybrid())
         m_hybridTorrentsByAltID.insert(TorrentID::fromSHA1Hash(infoHash.v1()), torrent);
 
-    if (!params.restored)
+    if (isRestored())
     {
-        m_resumeDataStorage->store(torrent->id(), params);
-
         // The following is useless for newly added magnet
         if (torrent->hasMetadata())
         {
@@ -5230,7 +5230,7 @@ TorrentImpl *SessionImpl::createTorrent(const lt::torrent_handle &nativeHandle,
         m_seedingLimitTimer->start();
     }
 
-    if (params.restored)
+    if (!isRestored())
     {
         LogMsg(tr("Restored torrent. Torrent: \"%1\"").arg(torrent->name()));
     }
diff --git a/src/base/bittorrent/sessionimpl.h b/src/base/bittorrent/sessionimpl.h
index d7a747f61..c788f9c53 100644
--- a/src/base/bittorrent/sessionimpl.h
+++ b/src/base/bittorrent/sessionimpl.h
@@ -474,11 +474,10 @@ namespace BitTorrent
         Q_INVOKABLE void configure();
         void configureComponents();
         void initializeNativeSession();
-        void loadLTSettings(lt::settings_pack &settingsPack);
-        void configureNetworkInterfaces(lt::settings_pack &settingsPack);
+        lt::settings_pack loadLTSettings() const;
+        void applyNetworkInterfacesSettings(lt::settings_pack &settingsPack) const;
         void configurePeerClasses();
-        void adjustLimits(lt::settings_pack &settingsPack) const;
-        void applyBandwidthLimits(lt::settings_pack &settingsPack) const;
+        int adjustLimit(int limit) const;
         void initMetrics();
         void adjustLimits();
         void applyBandwidthLimits();
@@ -553,7 +552,7 @@ namespace BitTorrent
 
         bool m_deferredConfigureScheduled = false;
         bool m_IPFilteringConfigured = false;
-        bool m_listenInterfaceConfigured = false;
+        mutable bool m_listenInterfaceConfigured = false;
 
         CachedSettingValue<bool> m_isDHTEnabled;
         CachedSettingValue<bool> m_isLSDEnabled;
diff --git a/src/base/bittorrent/tracker.cpp b/src/base/bittorrent/tracker.cpp
index a811502ec..583c01743 100644
--- a/src/base/bittorrent/tracker.cpp
+++ b/src/base/bittorrent/tracker.cpp
@@ -203,12 +203,12 @@ Tracker::Tracker(QObject *parent)
 
 bool Tracker::start()
 {
-    const QHostAddress ip = QHostAddress::Any;
     const int port = Preferences::instance()->getTrackerPort();
 
     if (m_server->isListening())
     {
-        if (m_server->serverPort() == port)
+        if (const int oldPort = m_server->serverPort()
+            ; oldPort == port)
         {
             // Already listening on the right port, just return
             return true;
@@ -218,9 +218,9 @@ bool Tracker::start()
         m_server->close();
     }
 
-    // Listen on the predefined port
+    // Listen on port
+    const QHostAddress ip = QHostAddress::Any;
     const bool listenSuccess = m_server->listen(ip, port);
-
     if (listenSuccess)
     {
         LogMsg(tr("Embedded Tracker: Now listening on IP: %1, port: %2")
diff --git a/src/base/net/downloadmanager.cpp b/src/base/net/downloadmanager.cpp
index ac3022c6d..da5c80c43 100644
--- a/src/base/net/downloadmanager.cpp
+++ b/src/base/net/downloadmanager.cpp
@@ -124,7 +124,7 @@ namespace
         // Spoof HTTP Referer to allow adding torrent link from Torcache/KickAssTorrents
         request.setRawHeader("Referer", request.url().toEncoded().data());
 #ifdef QT_NO_COMPRESS
-        // The macro "QT_NO_COMPRESS" defined in QT will disable the zlib releated features
+        // The macro "QT_NO_COMPRESS" defined in QT will disable the zlib related features
         // and reply data auto-decompression in QT will also be disabled. But we can support
         // gzip encoding and manually decompress the reply data.
         request.setRawHeader("Accept-Encoding", "gzip");
diff --git a/src/base/net/portforwarder.h b/src/base/net/portforwarder.h
index f23ca2197..6f835d223 100644
--- a/src/base/net/portforwarder.h
+++ b/src/base/net/portforwarder.h
@@ -29,6 +29,9 @@
 #pragma once
 
 #include <QObject>
+#include <QSet>
+
+class QString;
 
 namespace Net
 {
@@ -45,8 +48,8 @@ namespace Net
         virtual bool isEnabled() const = 0;
         virtual void setEnabled(bool enabled) = 0;
 
-        virtual void addPort(quint16 port) = 0;
-        virtual void deletePort(quint16 port) = 0;
+        virtual void setPorts(const QString &profile, QSet<quint16> ports) = 0;
+        virtual void removePorts(const QString &profile) = 0;
 
     private:
         static PortForwarder *m_instance;
diff --git a/src/base/preferences.cpp b/src/base/preferences.cpp
index 59a601118..4cc99227c 100644
--- a/src/base/preferences.cpp
+++ b/src/base/preferences.cpp
@@ -1164,6 +1164,16 @@ void Preferences::setTrackerPort(const int port)
     setValue(u"Preferences/Advanced/trackerPort"_qs, port);
 }
 
+bool Preferences::isTrackerPortForwardingEnabled() const
+{
+    return value(u"Preferences/Advanced/trackerPortForwarding"_qs, false);
+}
+
+void Preferences::setTrackerPortForwardingEnabled(const bool enabled)
+{
+    setValue(u"Preferences/Advanced/trackerPortForwarding"_qs, enabled);
+}
+
 #if defined(Q_OS_WIN) || defined(Q_OS_MACOS)
 bool Preferences::isUpdateCheckEnabled() const
 {
diff --git a/src/base/preferences.h b/src/base/preferences.h
index 534755b77..d22db8df5 100644
--- a/src/base/preferences.h
+++ b/src/base/preferences.h
@@ -299,6 +299,8 @@ public:
 #endif
     int getTrackerPort() const;
     void setTrackerPort(int port);
+    bool isTrackerPortForwardingEnabled() const;
+    void setTrackerPortForwardingEnabled(bool enabled);
 #if defined(Q_OS_WIN) || defined(Q_OS_MACOS)
     bool isUpdateCheckEnabled() const;
     void setUpdateCheckEnabled(bool enabled);
diff --git a/src/gui/advancedsettings.cpp b/src/gui/advancedsettings.cpp
index 1f2dda5f5..fb8618f6d 100644
--- a/src/gui/advancedsettings.cpp
+++ b/src/gui/advancedsettings.cpp
@@ -97,6 +97,7 @@ namespace
         // embedded tracker
         TRACKER_STATUS,
         TRACKER_PORT,
+        TRACKER_PORT_FORWARDING,
         // libtorrent section
         LIBTORRENT_HEADER,
         ASYNC_IO_THREADS,
@@ -292,7 +293,9 @@ void AdvancedSettings::saveAdvancedSettings() const
 
     // Tracker
     pref->setTrackerPort(m_spinBoxTrackerPort.value());
+    pref->setTrackerPortForwardingEnabled(m_checkBoxTrackerPortForwarding.isChecked());
     session->setTrackerEnabled(m_checkBoxTrackerStatus.isChecked());
+
     // Choking algorithm
     session->setChokingAlgorithm(m_comboBoxChokingAlgorithm.currentData().value<BitTorrent::ChokingAlgorithm>());
     // Seed choking algorithm
@@ -732,6 +735,9 @@ void AdvancedSettings::loadAdvancedSettings()
     m_spinBoxTrackerPort.setMaximum(65535);
     m_spinBoxTrackerPort.setValue(pref->getTrackerPort());
     addRow(TRACKER_PORT, tr("Embedded tracker port"), &m_spinBoxTrackerPort);
+    // Tracker port forwarding
+    m_checkBoxTrackerPortForwarding.setChecked(pref->isTrackerPortForwardingEnabled());
+    addRow(TRACKER_PORT_FORWARDING, tr("Enable port forwarding for embedded tracker"), &m_checkBoxTrackerPortForwarding);
     // Choking algorithm
     m_comboBoxChokingAlgorithm.addItem(tr("Fixed slots"), QVariant::fromValue(BitTorrent::ChokingAlgorithm::FixedSlots));
     m_comboBoxChokingAlgorithm.addItem(tr("Upload rate based"), QVariant::fromValue(BitTorrent::ChokingAlgorithm::RateBased));
diff --git a/src/gui/advancedsettings.h b/src/gui/advancedsettings.h
index 7846ca5c6..79e3146b2 100644
--- a/src/gui/advancedsettings.h
+++ b/src/gui/advancedsettings.h
@@ -68,7 +68,7 @@ private:
              m_spinBoxSavePathHistoryLength, m_spinBoxPeerTurnover, m_spinBoxPeerTurnoverCutoff, m_spinBoxPeerTurnoverInterval, m_spinBoxRequestQueueSize;
     QCheckBox m_checkBoxOsCache, m_checkBoxRecheckCompleted, m_checkBoxResolveCountries, m_checkBoxResolveHosts,
               m_checkBoxProgramNotifications, m_checkBoxTorrentAddedNotifications, m_checkBoxReannounceWhenAddressChanged, m_checkBoxTrackerFavicon, m_checkBoxTrackerStatus,
-              m_checkBoxConfirmTorrentRecheck, m_checkBoxConfirmRemoveAllTags, m_checkBoxAnnounceAllTrackers, m_checkBoxAnnounceAllTiers,
+              m_checkBoxTrackerPortForwarding, m_checkBoxConfirmTorrentRecheck, m_checkBoxConfirmRemoveAllTags, m_checkBoxAnnounceAllTrackers, m_checkBoxAnnounceAllTiers,
               m_checkBoxMultiConnectionsPerIp, m_checkBoxValidateHTTPSTrackerCertificate, m_checkBoxSSRFMitigation, m_checkBoxBlockPeersOnPrivilegedPorts, m_checkBoxPieceExtentAffinity,
               m_checkBoxSuggestMode, m_checkBoxSpeedWidgetEnabled, m_checkBoxIDNSupport;
     QComboBox m_comboBoxInterface, m_comboBoxInterfaceAddress, m_comboBoxDiskIOReadMode, m_comboBoxDiskIOWriteMode, m_comboBoxUtpMixedMode, m_comboBoxChokingAlgorithm,
diff --git a/src/gui/properties/peerlistwidget.cpp b/src/gui/properties/peerlistwidget.cpp
index e4ed8a75a..5b490df9e 100644
--- a/src/gui/properties/peerlistwidget.cpp
+++ b/src/gui/properties/peerlistwidget.cpp
@@ -89,7 +89,7 @@ PeerListWidget::PeerListWidget(PropertiesWidget *parent)
     , m_properties(parent)
 {
     // Load settings
-    loadSettings();
+    const bool columnLoaded = loadSettings();
     // Visual settings
     setUniformRowHeights(true);
     setRootIsDecorated(false);
@@ -109,6 +109,7 @@ PeerListWidget::PeerListWidget(PropertiesWidget *parent)
     m_listModel->setHeaderData(PeerListColumns::FLAGS, Qt::Horizontal, tr("Flags"));
     m_listModel->setHeaderData(PeerListColumns::CONNECTION, Qt::Horizontal, tr("Connection"));
     m_listModel->setHeaderData(PeerListColumns::CLIENT, Qt::Horizontal, tr("Client", "i.e.: Client application"));
+    m_listModel->setHeaderData(PeerListColumns::PEERID_CLIENT, Qt::Horizontal, tr("Peer ID Client", "i.e.: Client resolved from Peer ID"));
     m_listModel->setHeaderData(PeerListColumns::PROGRESS, Qt::Horizontal, tr("Progress", "i.e: % downloaded"));
     m_listModel->setHeaderData(PeerListColumns::DOWN_SPEED, Qt::Horizontal, tr("Down Speed", "i.e: Download speed"));
     m_listModel->setHeaderData(PeerListColumns::UP_SPEED, Qt::Horizontal, tr("Up Speed", "i.e: Upload speed"));
@@ -130,8 +131,16 @@ PeerListWidget::PeerListWidget(PropertiesWidget *parent)
     m_proxyModel->setSourceModel(m_listModel);
     m_proxyModel->setSortCaseSensitivity(Qt::CaseInsensitive);
     setModel(m_proxyModel);
+
     hideColumn(PeerListColumns::IP_HIDDEN);
     hideColumn(PeerListColumns::COL_COUNT);
+
+    // Default hidden columns
+    if (!columnLoaded)
+    {
+        hideColumn(PeerListColumns::PEERID_CLIENT);
+    }
+
     m_resolveCountries = Preferences::instance()->resolvePeerCountries();
     if (!m_resolveCountries)
         hideColumn(PeerListColumns::COUNTRY);
@@ -371,9 +380,9 @@ void PeerListWidget::clear()
         m_listModel->removeRows(0, nbrows);
 }
 
-void PeerListWidget::loadSettings()
+bool PeerListWidget::loadSettings()
 {
-    header()->restoreState(Preferences::instance()->getPeerListState());
+    return header()->restoreState(Preferences::instance()->getPeerListState());
 }
 
 void PeerListWidget::saveSettings() const
@@ -461,6 +470,8 @@ void PeerListWidget::updatePeer(const BitTorrent::Torrent *torrent, const BitTor
     setModelData(row, PeerListColumns::FLAGS, peer.flags(), peer.flags(), {}, peer.flagsDescription());
     const QString client = peer.client().toHtmlEscaped();
     setModelData(row, PeerListColumns::CLIENT, client, client, {}, client);
+    const QString peerIdClient = peer.peerIdClient().toHtmlEscaped();
+    setModelData(row, PeerListColumns::PEERID_CLIENT, peerIdClient, peerIdClient);
     setModelData(row, PeerListColumns::PROGRESS, (Utils::String::fromDouble(peer.progress() * 100, 1) + u'%'), peer.progress(), intDataTextAlignment);
     const QString downSpeed = (hideValues && (peer.payloadDownSpeed() <= 0)) ? QString {} : Utils::Misc::friendlyUnit(peer.payloadDownSpeed(), true);
     setModelData(row, PeerListColumns::DOWN_SPEED, downSpeed, peer.payloadDownSpeed(), intDataTextAlignment);
diff --git a/src/gui/properties/peerlistwidget.h b/src/gui/properties/peerlistwidget.h
index a3e9e0d94..2276437c1 100644
--- a/src/gui/properties/peerlistwidget.h
+++ b/src/gui/properties/peerlistwidget.h
@@ -66,6 +66,7 @@ public:
         CONNECTION,
         FLAGS,
         CLIENT,
+        PEERID_CLIENT,
         PROGRESS,
         DOWN_SPEED,
         UP_SPEED,
@@ -87,7 +88,7 @@ public:
     void clear();
 
 private slots:
-    void loadSettings();
+    bool loadSettings();
     void saveSettings() const;
     void displayColumnHeaderMenu();
     void showPeerListMenu();
diff --git a/src/gui/statusbar.cpp b/src/gui/statusbar.cpp
index 09a6f290a..0f4bda38e 100644
--- a/src/gui/statusbar.cpp
+++ b/src/gui/statusbar.cpp
@@ -48,7 +48,7 @@ StatusBar::StatusBar(QWidget *parent)
 {
 #ifndef Q_OS_MACOS
     // Redefining global stylesheet breaks certain elements on mac like tabs.
-    // Qt checks whether the stylesheet class inherts("QMacStyle") and this becomes false.
+    // Qt checks whether the stylesheet class inherits("QMacStyle") and this becomes false.
     setStyleSheet(u"QStatusBar::item { border-width: 0; }"_qs);
 #endif
 
diff --git a/src/gui/torrentcontentmodel.cpp b/src/gui/torrentcontentmodel.cpp
index de1042259..9357fdc8e 100644
--- a/src/gui/torrentcontentmodel.cpp
+++ b/src/gui/torrentcontentmodel.cpp
@@ -221,11 +221,7 @@ void TorrentContentModel::updateFilesProgress(const QVector<qreal> &fp)
     m_rootItem->recalculateProgress();
     m_rootItem->recalculateAvailability();
 
-    const QVector<ColumnInterval> columns =
-    {
-        {TorrentContentModelItem::COL_PROGRESS, TorrentContentModelItem::COL_PROGRESS}
-    };
-    notifySubtreeUpdated(index(0, 0), columns);
+    emit layoutChanged();
 }
 
 void TorrentContentModel::updateFilesPriorities(const QVector<BitTorrent::DownloadPriority> &fprio)
@@ -239,12 +235,7 @@ void TorrentContentModel::updateFilesPriorities(const QVector<BitTorrent::Downlo
     for (int i = 0; i < fprio.size(); ++i)
         m_filesIndex[i]->setPriority(static_cast<BitTorrent::DownloadPriority>(fprio[i]));
 
-    const QVector<ColumnInterval> columns =
-    {
-        {TorrentContentModelItem::COL_NAME, TorrentContentModelItem::COL_NAME},
-        {TorrentContentModelItem::COL_PRIO, TorrentContentModelItem::COL_PRIO}
-    };
-    notifySubtreeUpdated(index(0, 0), columns);
+    emit layoutChanged();
 }
 
 void TorrentContentModel::updateFilesAvailability(const QVector<qreal> &fa)
@@ -259,11 +250,7 @@ void TorrentContentModel::updateFilesAvailability(const QVector<qreal> &fa)
     // Update folders progress in the tree
     m_rootItem->recalculateProgress();
 
-    const QVector<ColumnInterval> columns =
-    {
-        {TorrentContentModelItem::COL_AVAILABILITY, TorrentContentModelItem::COL_AVAILABILITY}
-    };
-    notifySubtreeUpdated(index(0, 0), columns);
+    emit layoutChanged();
 }
 
 QVector<BitTorrent::DownloadPriority> TorrentContentModel::getFilePriorities() const
@@ -308,17 +295,13 @@ bool TorrentContentModel::setData(const QModelIndex &index, const QVariant &valu
 
         if (currentPrio != newPrio)
         {
+            emit layoutAboutToBeChanged();
             item->setPriority(newPrio);
             // Update folders progress in the tree
             m_rootItem->recalculateProgress();
             m_rootItem->recalculateAvailability();
 
-            const QVector<ColumnInterval> columns =
-            {
-                {TorrentContentModelItem::COL_NAME, TorrentContentModelItem::COL_NAME},
-                {TorrentContentModelItem::COL_PRIO, TorrentContentModelItem::COL_PRIO}
-            };
-            notifySubtreeUpdated(index, columns);
+            emit layoutChanged();
             emit filteredFilesChanged();
 
             return true;
@@ -350,14 +333,9 @@ bool TorrentContentModel::setData(const QModelIndex &index, const QVariant &valu
                 const auto newPrio = static_cast<BitTorrent::DownloadPriority>(value.toInt());
                 if (currentPrio != newPrio)
                 {
+                    emit layoutAboutToBeChanged();
                     item->setPriority(newPrio);
-
-                    const QVector<ColumnInterval> columns =
-                    {
-                        {TorrentContentModelItem::COL_NAME, TorrentContentModelItem::COL_NAME},
-                        {TorrentContentModelItem::COL_PRIO, TorrentContentModelItem::COL_PRIO}
-                    };
-                    notifySubtreeUpdated(index, columns);
+                    emit layoutChanged();
 
                     if ((newPrio == BitTorrent::DownloadPriority::Ignored)
                         || (currentPrio == BitTorrent::DownloadPriority::Ignored))
@@ -541,7 +519,8 @@ void TorrentContentModel::setupModelData(const BitTorrent::AbstractFileStorage &
     if (filesCount <= 0)
         return;
 
-    emit layoutAboutToBeChanged();
+    beginResetModel();
+
     // Initialize files_index array
     qDebug("Torrent contains %d files", filesCount);
     m_filesIndex.reserve(filesCount);
@@ -588,56 +567,6 @@ void TorrentContentModel::setupModelData(const BitTorrent::AbstractFileStorage &
         lastParent->appendChild(fileItem);
         m_filesIndex.push_back(fileItem);
     }
-    emit layoutChanged();
-}
-
-void TorrentContentModel::notifySubtreeUpdated(const QModelIndex &index, const QVector<ColumnInterval> &columns)
-{
-    // For best performance, `columns` entries should be arranged from left to right
-
-    Q_ASSERT(index.isValid());
-
-    // emit itself
-    for (const ColumnInterval &column : columns)
-        emit dataChanged(index.siblingAtColumn(column.first()), index.siblingAtColumn(column.last()));
-
-    // propagate up the model
-    QModelIndex parentIndex = parent(index);
-    while (parentIndex.isValid())
-    {
-        for (const ColumnInterval &column : columns)
-            emit dataChanged(parentIndex.siblingAtColumn(column.first()), parentIndex.siblingAtColumn(column.last()));
-        parentIndex = parent(parentIndex);
-    }
-
-    // propagate down the model
-    QVector<QModelIndex> parentIndexes;
-
-    if (hasChildren(index))
-        parentIndexes.push_back(index);
-
-    while (!parentIndexes.isEmpty())
-    {
-        const QModelIndex parent = parentIndexes.takeLast();
-
-        const int childCount = rowCount(parent);
-        const QModelIndex child = this->index(0, 0, parent);
-
-        // emit this generation
-        for (const ColumnInterval &column : columns)
-        {
-            const QModelIndex childTopLeft = child.siblingAtColumn(column.first());
-            const QModelIndex childBottomRight = child.sibling((childCount - 1), column.last());
-            emit dataChanged(childTopLeft, childBottomRight);
-        }
-
-        // check generations further down
-        parentIndexes.reserve(childCount);
-        for (int i = 0; i < childCount; ++i)
-        {
-            const QModelIndex sibling = child.siblingAtRow(i);
-            if (hasChildren(sibling))
-                parentIndexes.push_back(sibling);
-        }
-    }
+
+    endResetModel();
 }
diff --git a/src/gui/torrentcontentmodel.h b/src/gui/torrentcontentmodel.h
index 481cf2ead..84f00976a 100644
--- a/src/gui/torrentcontentmodel.h
+++ b/src/gui/torrentcontentmodel.h
@@ -81,10 +81,6 @@ signals:
     void filteredFilesChanged();
 
 private:
-    using ColumnInterval = IndexInterval<int>;
-
-    void notifySubtreeUpdated(const QModelIndex &index, const QVector<ColumnInterval> &columns);
-
     TorrentContentModelFolder *m_rootItem = nullptr;
     QVector<TorrentContentModelFile *> m_filesIndex;
     QFileIconProvider *m_fileIconProvider = nullptr;
diff --git a/src/gui/torrentcontenttreeview.cpp b/src/gui/torrentcontenttreeview.cpp
index 984baca52..81a90e2ee 100644
--- a/src/gui/torrentcontenttreeview.cpp
+++ b/src/gui/torrentcontenttreeview.cpp
@@ -79,25 +79,19 @@ void TorrentContentTreeView::keyPressEvent(QKeyEvent *event)
 
     event->accept();
 
-    QModelIndex current = currentNameCell();
-
-    QVariant value = current.data(Qt::CheckStateRole);
+    const QVariant value = currentNameCell().data(Qt::CheckStateRole);
     if (!value.isValid())
     {
         Q_ASSERT(false);
         return;
     }
 
-    Qt::CheckState state = (static_cast<Qt::CheckState>(value.toInt()) == Qt::Checked
-                            ? Qt::Unchecked : Qt::Checked);
-
+    const Qt::CheckState state = (static_cast<Qt::CheckState>(value.toInt()) == Qt::Checked)
+                                 ? Qt::Unchecked : Qt::Checked;
     const QModelIndexList selection = selectionModel()->selectedRows(TorrentContentModelItem::COL_NAME);
 
     for (const QModelIndex &index : selection)
-    {
-        Q_ASSERT(index.column() == TorrentContentModelItem::COL_NAME);
         model()->setData(index, state, Qt::CheckStateRole);
-    }
 }
 
 void TorrentContentTreeView::renameSelectedFile(BitTorrent::AbstractFileStorage &fileStorage)
@@ -142,16 +136,16 @@ void TorrentContentTreeView::renameSelectedFile(BitTorrent::AbstractFileStorage
     }
 }
 
-QModelIndex TorrentContentTreeView::currentNameCell()
+QModelIndex TorrentContentTreeView::currentNameCell() const
 {
-    QModelIndex current = currentIndex();
+    const QModelIndex current = currentIndex();
     if (!current.isValid())
     {
         Q_ASSERT(false);
         return {};
     }
 
-    return model()->index(current.row(), TorrentContentModelItem::COL_NAME, current.parent());
+    return current.siblingAtColumn(TorrentContentModelItem::COL_NAME);
 }
 
 void TorrentContentTreeView::wheelEvent(QWheelEvent *event)
diff --git a/src/gui/torrentcontenttreeview.h b/src/gui/torrentcontenttreeview.h
index 1e8a5cfa7..f03be6a2f 100644
--- a/src/gui/torrentcontenttreeview.h
+++ b/src/gui/torrentcontenttreeview.h
@@ -49,6 +49,6 @@ public:
     void renameSelectedFile(BitTorrent::AbstractFileStorage &fileStorage);
 
 private:
-    QModelIndex currentNameCell();
+    QModelIndex currentNameCell() const;
     void wheelEvent(QWheelEvent *event) override;
 };
diff --git a/src/gui/transferlistmodel.cpp b/src/gui/transferlistmodel.cpp
index a1a372e30..14c8c4cb8 100644
--- a/src/gui/transferlistmodel.cpp
+++ b/src/gui/transferlistmodel.cpp
@@ -632,9 +632,12 @@ bool TransferListModel::setData(const QModelIndex &index, const QVariant &value,
 
 void TransferListModel::addTorrents(const QVector<BitTorrent::Torrent *> &torrents)
 {
-    int row = m_torrentList.size();
-    beginInsertRows({}, row, (row + torrents.size()));
+    qsizetype row = m_torrentList.size();
+    const qsizetype total = row + torrents.size();
 
+    beginInsertRows({}, row, total);
+
+    m_torrentList.reserve(total);
     for (BitTorrent::Torrent *torrent : torrents)
     {
         Q_ASSERT(!m_torrentMap.contains(torrent));
diff --git a/src/gui/transferlistwidget.cpp b/src/gui/transferlistwidget.cpp
index 93e8906b7..196334702 100644
--- a/src/gui/transferlistwidget.cpp
+++ b/src/gui/transferlistwidget.cpp
@@ -363,12 +363,30 @@ void TransferListWidget::setSelectedTorrentsLocation()
 
 void TransferListWidget::pauseAllTorrents()
 {
+    // Show confirmation if user would really like to Pause All
+    const QMessageBox::StandardButton ret =
+            QMessageBox::question(this, tr("Confirm pause")
+                                  , tr("Would you like to pause all torrents?")
+                                  , (QMessageBox::Yes | QMessageBox::No));
+
+    if (ret != QMessageBox::Yes)
+        return;
+
     for (BitTorrent::Torrent *const torrent : asConst(BitTorrent::Session::instance()->torrents()))
         torrent->pause();
 }
 
 void TransferListWidget::resumeAllTorrents()
 {
+    // Show confirmation if user would really like to Resume All
+    const QMessageBox::StandardButton ret =
+            QMessageBox::question(this, tr("Confirm resume")
+                                  , tr("Would you like to resume all torrents?")
+                                  , (QMessageBox::Yes | QMessageBox::No));
+
+    if (ret != QMessageBox::Yes)
+        return;
+
     for (BitTorrent::Torrent *const torrent : asConst(BitTorrent::Session::instance()->torrents()))
         torrent->resume();
 }
diff --git a/src/lang/lang.qrc b/src/lang/lang.qrc
index 2657f5374..62908ac87 100644
--- a/src/lang/lang.qrc
+++ b/src/lang/lang.qrc
@@ -53,7 +53,7 @@
         <file>qbittorrent_uk.qm</file>
         <file>qbittorrent_uz@Latn.qm</file>
         <file>qbittorrent_vi.qm</file>
-        <file>qbittorrent_zh.qm</file>
+        <file>qbittorrent_zh_CN.qm</file>
         <file>qbittorrent_zh_HK.qm</file>
         <file>qbittorrent_zh_TW.qm</file>
     </qresource>
diff --git a/src/lang/qbittorrent_zh.ts b/src/lang/qbittorrent_zh_CN.ts
similarity index 100%
rename from src/lang/qbittorrent_zh.ts
rename to src/lang/qbittorrent_zh_CN.ts
diff --git a/src/webui/api/appcontroller.cpp b/src/webui/api/appcontroller.cpp
index c8d66ea64..0b82613c7 100644
--- a/src/webui/api/appcontroller.cpp
+++ b/src/webui/api/appcontroller.cpp
@@ -372,6 +372,7 @@ void AppController::preferencesAction()
     // Embedded tracker
     data[u"enable_embedded_tracker"_qs] = session->isTrackerEnabled();
     data[u"embedded_tracker_port"_qs] = pref->getTrackerPort();
+    data[u"embedded_tracker_port_forwarding"_qs] = pref->isTrackerPortForwardingEnabled();
     // Choking algorithm
     data[u"upload_slots_behavior"_qs] = static_cast<int>(session->chokingAlgorithm());
     // Seed choking algorithm
@@ -899,6 +900,8 @@ void AppController::setPreferencesAction()
     // Embedded tracker
     if (hasKey(u"embedded_tracker_port"_qs))
         pref->setTrackerPort(it.value().toInt());
+    if (hasKey(u"embedded_tracker_port_forwarding"_qs))
+        pref->setTrackerPortForwardingEnabled(it.value().toBool());
     if (hasKey(u"enable_embedded_tracker"_qs))
         session->setTrackerEnabled(it.value().toBool());
     // Choking algorithm
diff --git a/src/webui/api/synccontroller.cpp b/src/webui/api/synccontroller.cpp
index 173280c6e..f7770aeb5 100644
--- a/src/webui/api/synccontroller.cpp
+++ b/src/webui/api/synccontroller.cpp
@@ -66,6 +66,7 @@ namespace
 
     // Peer keys
     const QString KEY_PEER_CLIENT = u"client"_qs;
+    const QString KEY_PEER_ID_CLIENT = u"peer_id_client"_qs;
     const QString KEY_PEER_CONNECTION_TYPE = u"connection"_qs;
     const QString KEY_PEER_COUNTRY = u"country"_qs;
     const QString KEY_PEER_COUNTRY_CODE = u"country_code"_qs;
@@ -561,6 +562,7 @@ void SyncController::torrentPeersAction()
             {KEY_PEER_IP, pi.address().ip.toString()},
             {KEY_PEER_PORT, pi.address().port},
             {KEY_PEER_CLIENT, pi.client()},
+            {KEY_PEER_ID_CLIENT, pi.peerIdClient()},
             {KEY_PEER_PROGRESS, pi.progress()},
             {KEY_PEER_DOWN_SPEED, pi.payloadDownSpeed()},
             {KEY_PEER_UP_SPEED, pi.payloadUpSpeed()},
diff --git a/src/webui/webapplication.h b/src/webui/webapplication.h
index 79b5f9c69..54a3f3c4e 100644
--- a/src/webui/webapplication.h
+++ b/src/webui/webapplication.h
@@ -52,7 +52,7 @@
 #include "base/utils/version.h"
 #include "api/isessionmanager.h"
 
-inline const Utils::Version<3, 2> API_VERSION {2, 8, 16};
+inline const Utils::Version<3, 2> API_VERSION {2, 8, 18};
 
 class APIController;
 class AuthController;
diff --git a/src/webui/webui.cpp b/src/webui/webui.cpp
index 5698e65e1..dc1b43596 100644
--- a/src/webui/webui.cpp
+++ b/src/webui/webui.cpp
@@ -50,25 +50,21 @@ void WebUI::configure()
 {
     m_isErrored = false; // clear previous error state
 
-    Preferences *const pref = Preferences::instance();
-
-    const quint16 oldPort = m_port;
-    m_port = pref->getWebUiPort();
+    const QString portForwardingProfile = u"webui"_qs;
+    const Preferences *pref = Preferences::instance();
+    const quint16 port = pref->getWebUiPort();
 
     if (pref->isWebUiEnabled())
     {
-        // UPnP/NAT-PMP
+        // Port forwarding
+        auto *portForwarder = Net::PortForwarder::instance();
         if (pref->useUPnPForWebUIPort())
         {
-            if (m_port != oldPort)
-            {
-                Net::PortForwarder::instance()->deletePort(oldPort);
-                Net::PortForwarder::instance()->addPort(m_port);
-            }
+            portForwarder->setPorts(portForwardingProfile, {port});
         }
         else
         {
-            Net::PortForwarder::instance()->deletePort(oldPort);
+            portForwarder->removePorts(portForwardingProfile);
         }
 
         // http server
@@ -81,7 +77,7 @@ void WebUI::configure()
         else
         {
             if ((m_httpServer->serverAddress().toString() != serverAddressString)
-                    || (m_httpServer->serverPort() != m_port))
+                    || (m_httpServer->serverPort() != port))
                 m_httpServer->close();
         }
 
@@ -112,15 +108,15 @@ void WebUI::configure()
         {
             const auto address = ((serverAddressString == u"*") || serverAddressString.isEmpty())
                 ? QHostAddress::Any : QHostAddress(serverAddressString);
-            bool success = m_httpServer->listen(address, m_port);
+            bool success = m_httpServer->listen(address, port);
             if (success)
             {
-                LogMsg(tr("Web UI: Now listening on IP: %1, port: %2").arg(serverAddressString).arg(m_port));
+                LogMsg(tr("Web UI: Now listening on IP: %1, port: %2").arg(serverAddressString).arg(port));
             }
             else
             {
                 const QString errorMsg = tr("Web UI: Unable to bind to IP: %1, port: %2. Reason: %3")
-                    .arg(serverAddressString).arg(m_port).arg(m_httpServer->errorString());
+                    .arg(serverAddressString).arg(port).arg(m_httpServer->errorString());
                 LogMsg(errorMsg, Log::CRITICAL);
                 qCritical() << errorMsg;
 
@@ -144,7 +140,7 @@ void WebUI::configure()
     }
     else
     {
-        Net::PortForwarder::instance()->deletePort(oldPort);
+        Net::PortForwarder::instance()->removePorts(portForwardingProfile);
 
         delete m_httpServer;
         delete m_webapp;
diff --git a/src/webui/webui.h b/src/webui/webui.h
index f3fd37422..e2c63b828 100644
--- a/src/webui/webui.h
+++ b/src/webui/webui.h
@@ -66,5 +66,4 @@ private:
     QPointer<Http::Server> m_httpServer;
     QPointer<Net::DNSUpdater> m_dnsUpdater;
     QPointer<WebApplication> m_webapp;
-    quint16 m_port = 0;
 };
diff --git a/src/webui/www/private/scripts/dynamicTable.js b/src/webui/www/private/scripts/dynamicTable.js
index 6a35ae5ec..6f72009ab 100644
--- a/src/webui/www/private/scripts/dynamicTable.js
+++ b/src/webui/www/private/scripts/dynamicTable.js
@@ -1498,6 +1498,7 @@ window.qBittorrent.DynamicTable = (function() {
             this.newColumn('connection', '', 'QBT_TR(Connection)QBT_TR[CONTEXT=PeerListWidget]', 50, true);
             this.newColumn('flags', '', 'QBT_TR(Flags)QBT_TR[CONTEXT=PeerListWidget]', 50, true);
             this.newColumn('client', '', 'QBT_TR(Client)QBT_TR[CONTEXT=PeerListWidget]', 140, true);
+            this.newColumn('peer_id_client', '', 'QBT_TR(Peer ID Client)QBT_TR[CONTEXT=PeerListWidget]', 60, false);
             this.newColumn('progress', '', 'QBT_TR(Progress)QBT_TR[CONTEXT=PeerListWidget]', 50, true);
             this.newColumn('dl_speed', '', 'QBT_TR(Down Speed)QBT_TR[CONTEXT=PeerListWidget]', 50, true);
             this.newColumn('up_speed', '', 'QBT_TR(Up Speed)QBT_TR[CONTEXT=PeerListWidget]', 50, true);
diff --git a/src/webui/www/private/scripts/mocha-init.js b/src/webui/www/private/scripts/mocha-init.js
index dd93e4d4c..87748bf85 100644
--- a/src/webui/www/private/scripts/mocha-init.js
+++ b/src/webui/www/private/scripts/mocha-init.js
@@ -979,18 +979,34 @@ const initializeWindows = function() {
         }
     };
 
-    ['pause', 'resume'].each(function(item) {
-        addClickEvent(item + 'All', function(e) {
-            new Event(e).stop();
+    addClickEvent('pauseAll', (e) => {
+        new Event(e).stop();
+
+        if (confirm('QBT_TR(Would you like to pause all torrents?)QBT_TR[CONTEXT=MainWindow]')) {
             new Request({
-                url: 'api/v2/torrents/' + item,
+                url: 'api/v2/torrents/pause',
                 method: 'post',
                 data: {
                     hashes: "all"
                 }
             }).send();
             updateMainData();
-        });
+        }
+    });
+
+    addClickEvent('resumeAll', (e) => {
+        new Event(e).stop();
+
+        if (confirm('QBT_TR(Would you like to resume all torrents?)QBT_TR[CONTEXT=MainWindow]')) {
+            new Request({
+                url: 'api/v2/torrents/resume',
+                method: 'post',
+                data: {
+                    hashes: "all"
+                }
+            }).send();
+            updateMainData();
+        }
     });
 
     ['pause', 'resume', 'recheck'].each(function(item) {
diff --git a/src/webui/www/private/views/preferences.html b/src/webui/www/private/views/preferences.html
index fbc237828..78f1b42c5 100644
--- a/src/webui/www/private/views/preferences.html
+++ b/src/webui/www/private/views/preferences.html
@@ -1016,6 +1016,14 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
                     <input type="text" id="embeddedTrackerPort" style="width: 15em;" />
                 </td>
             </tr>
+            <tr>
+                <td>
+                    <label for="embeddedTrackerPortForwarding">QBT_TR(Enable port forwarding for embedded tracker:)QBT_TR[CONTEXT=OptionsDialog]</label>
+                </td>
+                <td>
+                    <input type="checkbox" id="embeddedTrackerPortForwarding" />
+                </td>
+            </tr>
         </table>
     </fieldset>
     <fieldset class="settings">
@@ -2099,6 +2107,7 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
                         $('blockPeersOnPrivilegedPorts').setProperty('checked', pref.block_peers_on_privileged_ports);
                         $('enableEmbeddedTracker').setProperty('checked', pref.enable_embedded_tracker);
                         $('embeddedTrackerPort').setProperty('value', pref.embedded_tracker_port);
+                        $('embeddedTrackerPortForwarding').setProperty('checked', pref.embedded_tracker_port_forwarding);
                         $('uploadSlotsBehavior').setProperty('value', pref.upload_slots_behavior);
                         $('uploadChokingAlgorithm').setProperty('value', pref.upload_choking_algorithm);
                         $('announceAllTrackers').setProperty('checked', pref.announce_to_all_trackers);
@@ -2526,6 +2535,7 @@ Use ';' to split multiple entries. Can use wildcard '*'.)QBT_TR[CONTEXT=OptionsD
             settings.set('block_peers_on_privileged_ports', $('blockPeersOnPrivilegedPorts').getProperty('checked'));
             settings.set('enable_embedded_tracker', $('enableEmbeddedTracker').getProperty('checked'));
             settings.set('embedded_tracker_port', $('embeddedTrackerPort').getProperty('value'));
+            settings.set('embedded_tracker_port_forwarding', $('embeddedTrackerPortForwarding').getProperty('checked'));
             settings.set('upload_slots_behavior', $('uploadSlotsBehavior').getProperty('value'));
             settings.set('upload_choking_algorithm', $('uploadChokingAlgorithm').getProperty('value'));
             settings.set('announce_to_all_trackers', $('announceAllTrackers').getProperty('checked'));
diff --git a/src/webui/www/translations/webui_translations.qrc b/src/webui/www/translations/webui_translations.qrc
index c4287cc02..cbb6a9a19 100644
--- a/src/webui/www/translations/webui_translations.qrc
+++ b/src/webui/www/translations/webui_translations.qrc
@@ -53,7 +53,7 @@
         <file>webui_uk.qm</file>
         <file>webui_uz@Latn.qm</file>
         <file>webui_vi.qm</file>
-        <file>webui_zh.qm</file>
+        <file>webui_zh_CN.qm</file>
         <file>webui_zh_HK.qm</file>
         <file>webui_zh_TW.qm</file>
     </qresource>
diff --git a/src/webui/www/translations/webui_zh.ts b/src/webui/www/translations/webui_zh_CN.ts
similarity index 100%
rename from src/webui/www/translations/webui_zh.ts
rename to src/webui/www/translations/webui_zh_CN.ts