diff --git a/.gitignore b/.gitignore
index b1d504978..f3801267c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+.vscode/
 src/gui/geoip/GeoIP.dat
 src/gui/geoip/GeoIP.dat.gz
 src/qbittorrent
diff --git a/dist/windows/installer-translations/french.nsi b/dist/windows/installer-translations/french.nsi
index 3685f8d7a..af99865b3 100644
--- a/dist/windows/installer-translations/french.nsi
+++ b/dist/windows/installer-translations/french.nsi
@@ -3,9 +3,9 @@
 ;LangString inst_qbt_req ${LANG_ENGLISH} "qBittorrent (required)"
 LangString inst_qbt_req ${LANG_FRENCH} "qBittorrent (requis)"
 ;LangString inst_desktop ${LANG_ENGLISH} "Create Desktop Shortcut"
-LangString inst_desktop ${LANG_FRENCH} "Créer un Raccourci sur le Bureau"
+LangString inst_desktop ${LANG_FRENCH} "Créer un raccourci sur le Bureau"
 ;LangString inst_startmenu ${LANG_ENGLISH} "Create Start Menu Shortcut"
-LangString inst_startmenu ${LANG_FRENCH} "Créer un Raccourci dans le Menu Démarrer"
+LangString inst_startmenu ${LANG_FRENCH} "Créer un raccourci dans le Menu Démarrer"
 ;LangString inst_startup ${LANG_ENGLISH} "Start qBittorrent on Windows start up"
 LangString inst_startup ${LANG_FRENCH} "Démarrer qBittorrent au démarrage de Windows"
 ;LangString inst_torrent ${LANG_ENGLISH} "Open .torrent files with qBittorrent"
@@ -57,6 +57,6 @@ LangString remove_cache ${LANG_FRENCH} "Supprimer les torrents et données en ca
 ;LangString uninst_warning ${LANG_ENGLISH} "qBittorrent is running. Please close the application before uninstalling."
 LangString uninst_warning ${LANG_FRENCH} "qBittorrent est en cours d'exécution. Fermez l'application avant de la désinstaller."
 ;LangString uninst_tor_warn ${LANG_ENGLISH} "Not removing .torrent association. It is associated with:"
-LangString uninst_tor_warn ${LANG_FRENCH} "Ne peut pas supprimer l'association du .torrent. Elle est associée avec :"
+LangString uninst_tor_warn ${LANG_FRENCH} "Impossible de supprimer l'association .torrent. Elle est associée avec :"
 ;LangString uninst_mag_warn ${LANG_ENGLISH} "Not removing magnet association. It is associated with:"
-LangString uninst_mag_warn ${LANG_FRENCH} "Ne peut pas supprimer l'association du magnet. Elle est associée avec :"
+LangString uninst_mag_warn ${LANG_FRENCH} "Impossible de supprimer l'association magnet. Elle est associée avec :"
diff --git a/dist/windows/installer-translations/hungarian.nsi b/dist/windows/installer-translations/hungarian.nsi
index 6536c3a85..f311c8779 100644
--- a/dist/windows/installer-translations/hungarian.nsi
+++ b/dist/windows/installer-translations/hungarian.nsi
@@ -31,7 +31,7 @@ LangString inst_requires_64bit ${LANG_HUNGARIAN} "A telepítő csak 64-bites Win
 ;LangString inst_requires_win7 ${LANG_ENGLISH} "This qBittorrent version requires at least Windows 7."
 LangString inst_requires_win7 ${LANG_HUNGARIAN} "A qBittorrent ezen verziójához minimum Windows 7 szükséges."
 ;LangString inst_requires_win10 ${LANG_ENGLISH} "This installer requires at least Windows 10 (1809) / Windows Server 2019."
-LangString inst_requires_win10 ${LANG_HUNGARIAN}  "This installer requires at least Windows 10 (1809) / Windows Server 2019."
+LangString inst_requires_win10 ${LANG_HUNGARIAN}  "A telepítéshez minimum Windows 10 (1809) / Windows Server 2019 szükséges."
 ;LangString inst_uninstall_link_description ${LANG_ENGLISH} "Uninstall qBittorrent"
 LangString inst_uninstall_link_description ${LANG_HUNGARIAN} "qBittorrent eltávolítása"
 
diff --git a/src/app/application.cpp b/src/app/application.cpp
index e22f2f670..0244e40f1 100644
--- a/src/app/application.cpp
+++ b/src/app/application.cpp
@@ -264,11 +264,8 @@ Application::Application(int &argc, char **argv)
     Logger::initInstance();
 
     const auto portableProfilePath = Path(QCoreApplication::applicationDirPath()) / DEFAULT_PORTABLE_MODE_PROFILE_DIR;
-    const bool portableModeEnabled = m_commandLineArgs.profileDir.isEmpty() && portableProfilePath.exists();
-
-    const Path profileDir = portableModeEnabled
-        ? portableProfilePath
-        : m_commandLineArgs.profileDir;
+    const bool portableModeEnabled = m_commandLineArgs.profileDir.isEmpty() && Utils::Fs::isDir(portableProfilePath);
+    const Path profileDir = portableModeEnabled ? portableProfilePath : m_commandLineArgs.profileDir;
     Profile::initInstance(profileDir, m_commandLineArgs.configurationName,
                         (m_commandLineArgs.relativeFastresumePaths || portableModeEnabled));
 
diff --git a/src/gui/addnewtorrentdialog.cpp b/src/gui/addnewtorrentdialog.cpp
index 2fe8ecafb..89133e084 100644
--- a/src/gui/addnewtorrentdialog.cpp
+++ b/src/gui/addnewtorrentdialog.cpp
@@ -33,6 +33,7 @@
 #include <functional>
 
 #include <QAction>
+#include <QByteArray>
 #include <QDateTime>
 #include <QDebug>
 #include <QDir>
@@ -41,6 +42,7 @@
 #include <QPushButton>
 #include <QScreen>
 #include <QShortcut>
+#include <QSize>
 #include <QString>
 #include <QUrl>
 #include <QVector>
diff --git a/src/gui/addnewtorrentdialog.h b/src/gui/addnewtorrentdialog.h
index 910275344..557df9b9e 100644
--- a/src/gui/addnewtorrentdialog.h
+++ b/src/gui/addnewtorrentdialog.h
@@ -39,6 +39,9 @@
 #include "base/path.h"
 #include "base/settingvalue.h"
 
+class LineEdit;
+class TorrentFileGuard;
+
 namespace BitTorrent
 {
     class InfoHash;
@@ -54,9 +57,6 @@ namespace Ui
     class AddNewTorrentDialog;
 }
 
-class LineEdit;
-class TorrentFileGuard;
-
 class AddNewTorrentDialog final : public QDialog
 {
     Q_OBJECT
diff --git a/src/gui/desktopintegration.cpp b/src/gui/desktopintegration.cpp
index f8a4c85cb..466d62c8c 100644
--- a/src/gui/desktopintegration.cpp
+++ b/src/gui/desktopintegration.cpp
@@ -31,6 +31,7 @@
 
 #include <chrono>
 
+#include <QtGlobal>
 #include <QMenu>
 #include <QTimer>
 
@@ -300,11 +301,11 @@ QIcon DesktopIntegration::getSystrayIcon() const
         icon = UIThemeManager::instance()->getIcon(u"qbittorrent-tray-light"_s);
         break;
     }
-#if ((QT_VERSION < QT_VERSION_CHECK(6, 0, 0)) && defined(Q_OS_UNIX) && !defined(Q_OS_MACOS))
+#ifdef Q_OS_UNIX
     // Workaround for invisible tray icon in KDE, https://bugreports.qt.io/browse/QTBUG-53550
-    return {icon.pixmap(32)};
-#else
-    return icon;
+    if (qEnvironmentVariable("XDG_CURRENT_DESKTOP").compare(u"KDE", Qt::CaseInsensitive) == 0)
+        return icon.pixmap(32);
 #endif
+    return icon;
 }
 #endif // Q_OS_MACOS
diff --git a/src/gui/fspathedit_p.cpp b/src/gui/fspathedit_p.cpp
index d6f4031c9..1e58002e3 100644
--- a/src/gui/fspathedit_p.cpp
+++ b/src/gui/fspathedit_p.cpp
@@ -1,7 +1,8 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2022 Mike Tzou (Chocobo1)
- * Copyright (C) 2016 Eugene Shalygin
+ * Copyright (C) 2024  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2022  Mike Tzou (Chocobo1)
+ * Copyright (C) 2016  Eugene Shalygin
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -32,6 +33,7 @@
 #include <QCompleter>
 #include <QContextMenuEvent>
 #include <QDir>
+#include <QFileIconProvider>
 #include <QFileInfo>
 #include <QFileSystemModel>
 #include <QMenu>
@@ -160,36 +162,33 @@ QValidator::State Private::FileSystemPathValidator::validate(QString &input, int
 }
 
 Private::FileLineEdit::FileLineEdit(QWidget *parent)
-    : QLineEdit {parent}
-    , m_completerModel {new QFileSystemModel(this)}
-    , m_completer {new QCompleter(this)}
+    : QLineEdit(parent)
 {
-    m_iconProvider.setOptions(QFileIconProvider::DontUseCustomDirectoryIcons);
-
-    m_completerModel->setIconProvider(&m_iconProvider);
-    m_completerModel->setOptions(QFileSystemModel::DontWatchForChanges);
-
-    m_completer->setModel(m_completerModel);
-    setCompleter(m_completer);
-
     connect(this, &QLineEdit::textChanged, this, &FileLineEdit::validateText);
 }
 
 Private::FileLineEdit::~FileLineEdit()
 {
     delete m_completerModel; // has to be deleted before deleting the m_iconProvider object
+    delete m_iconProvider;
 }
 
 void Private::FileLineEdit::completeDirectoriesOnly(const bool completeDirsOnly)
 {
-    const QDir::Filters filters = QDir::NoDotAndDotDot
-        | (completeDirsOnly ? QDir::Dirs : QDir::AllEntries);
-    m_completerModel->setFilter(filters);
+    m_completeDirectoriesOnly = completeDirsOnly;
+    if (m_completerModel)
+    {
+        const QDir::Filters filters = QDir::NoDotAndDotDot
+                | (completeDirsOnly ? QDir::Dirs : QDir::AllEntries);
+        m_completerModel->setFilter(filters);
+    }
 }
 
 void Private::FileLineEdit::setFilenameFilters(const QStringList &filters)
 {
-    m_completerModel->setNameFilters(filters);
+    m_filenameFilters = filters;
+    if (m_completerModel)
+        m_completerModel->setNameFilters(m_filenameFilters);
 }
 
 void Private::FileLineEdit::setBrowseAction(QAction *action)
@@ -223,6 +222,24 @@ void Private::FileLineEdit::keyPressEvent(QKeyEvent *e)
 
     if ((e->key() == Qt::Key_Space) && (e->modifiers() == Qt::CTRL))
     {
+        if (!m_completer)
+        {
+            m_iconProvider = new QFileIconProvider;
+            m_iconProvider->setOptions(QFileIconProvider::DontUseCustomDirectoryIcons);
+
+            m_completerModel = new QFileSystemModel(this);
+            m_completerModel->setIconProvider(m_iconProvider);
+            m_completerModel->setOptions(QFileSystemModel::DontWatchForChanges);
+            m_completerModel->setNameFilters(m_filenameFilters);
+            const QDir::Filters filters = QDir::NoDotAndDotDot
+                    | (m_completeDirectoriesOnly ? QDir::Dirs : QDir::AllEntries);
+            m_completerModel->setFilter(filters);
+
+            m_completer = new QCompleter(this);
+            m_completer->setModel(m_completerModel);
+            setCompleter(m_completer);
+        }
+
         m_completerModel->setRootPath(Path(text()).data());
         showCompletionPopup();
     }
diff --git a/src/gui/fspathedit_p.h b/src/gui/fspathedit_p.h
index 69592281b..153cf4b08 100644
--- a/src/gui/fspathedit_p.h
+++ b/src/gui/fspathedit_p.h
@@ -1,6 +1,7 @@
 /*
  * Bittorrent Client using Qt and libtorrent.
- * Copyright (C) 2016 Eugene Shalygin
+ * Copyright (C) 2024  Vladimir Golovnev <glassez@yandex.ru>
+ * Copyright (C) 2016  Eugene Shalygin
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -29,7 +30,6 @@
 #pragma once
 
 #include <QComboBox>
-#include <QFileIconProvider>
 #include <QLineEdit>
 #include <QtContainerFwd>
 #include <QValidator>
@@ -39,6 +39,7 @@
 class QAction;
 class QCompleter;
 class QContextMenuEvent;
+class QFileIconProvider;
 class QFileSystemModel;
 class QKeyEvent;
 
@@ -143,7 +144,9 @@ namespace Private
         QCompleter *m_completer = nullptr;
         QAction *m_browseAction = nullptr;
         QAction *m_warningAction = nullptr;
-        QFileIconProvider m_iconProvider;
+        QFileIconProvider *m_iconProvider = nullptr;
+        bool m_completeDirectoriesOnly = false;
+        QStringList m_filenameFilters;
     };
 
     class FileComboEdit final : public QComboBox, public IFileEditorWithCompletion
diff --git a/src/gui/lineedit.cpp b/src/gui/lineedit.cpp
index f388fab60..08a5aeea5 100644
--- a/src/gui/lineedit.cpp
+++ b/src/gui/lineedit.cpp
@@ -29,20 +29,41 @@
 
 #include "lineedit.h"
 
+#include <chrono>
+
 #include <QAction>
 #include <QKeyEvent>
+#include <QTimer>
 
 #include "base/global.h"
 #include "uithememanager.h"
 
+using namespace std::chrono_literals;
+
+namespace
+{
+    const std::chrono::milliseconds FILTER_INPUT_DELAY {400};
+}
+
 LineEdit::LineEdit(QWidget *parent)
     : QLineEdit(parent)
+    , m_delayedTextChangedTimer {new QTimer(this)}
 {
     auto *action = new QAction(UIThemeManager::instance()->getIcon(u"edit-find"_s), QString(), this);
     addAction(action, QLineEdit::LeadingPosition);
 
     setClearButtonEnabled(true);
     setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
+
+    m_delayedTextChangedTimer->setSingleShot(true);
+    connect(m_delayedTextChangedTimer, &QTimer::timeout, this, [this]
+    {
+        emit textChanged(text());
+    });
+    connect(this, &QLineEdit::textChanged, this, [this]
+    {
+        m_delayedTextChangedTimer->start(FILTER_INPUT_DELAY);
+    });
 }
 
 void LineEdit::keyPressEvent(QKeyEvent *event)
diff --git a/src/gui/lineedit.h b/src/gui/lineedit.h
index 55ed3bd85..459740f86 100644
--- a/src/gui/lineedit.h
+++ b/src/gui/lineedit.h
@@ -31,6 +31,9 @@
 
 #include <QLineEdit>
 
+class QKeyEvent;
+class QTimer;
+
 class LineEdit final : public QLineEdit
 {
     Q_OBJECT
@@ -39,6 +42,11 @@ class LineEdit final : public QLineEdit
 public:
     explicit LineEdit(QWidget *parent = nullptr);
 
+signals:
+    void textChanged(const QString &text);
+
 private:
     void keyPressEvent(QKeyEvent *event) override;
+
+    QTimer *m_delayedTextChangedTimer = nullptr;
 };
diff --git a/src/gui/mainwindow.cpp b/src/gui/mainwindow.cpp
index 3edf3f74f..c7e15e40c 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -57,6 +57,7 @@
 #include <QShortcut>
 #include <QSplitter>
 #include <QStatusBar>
+#include <QString>
 #include <QtGlobal>
 #include <QTimer>
 
diff --git a/src/gui/mainwindow.h b/src/gui/mainwindow.h
index 0566c7050..30923b166 100644
--- a/src/gui/mainwindow.h
+++ b/src/gui/mainwindow.h
@@ -42,6 +42,7 @@ class QCloseEvent;
 class QComboBox;
 class QFileSystemWatcher;
 class QSplitter;
+class QString;
 class QTabWidget;
 class QTimer;
 
diff --git a/src/gui/rss/articlelistwidget.cpp b/src/gui/rss/articlelistwidget.cpp
index 599a4d886..e20c0b1fd 100644
--- a/src/gui/rss/articlelistwidget.cpp
+++ b/src/gui/rss/articlelistwidget.cpp
@@ -104,7 +104,7 @@ void ArticleListWidget::handleArticleRead(RSS::Article *rssArticle)
 
     const QBrush foregroundBrush {UIThemeManager::instance()->getColor(u"RSS.ReadArticle"_s)};
     item->setData(Qt::ForegroundRole, foregroundBrush);
-    item->setData(Qt::DecorationRole, UIThemeManager::instance()->getIcon(u"loading"_s, u"sphere"_s));
+    item->setData(Qt::DecorationRole, UIThemeManager::instance()->getIcon(u"rss_read_article"_s, u"sphere"_s));
 
     checkInvariant();
 }
@@ -131,13 +131,13 @@ QListWidgetItem *ArticleListWidget::createItem(RSS::Article *article) const
     {
         const QBrush foregroundBrush {UIThemeManager::instance()->getColor(u"RSS.ReadArticle"_s)};
         item->setData(Qt::ForegroundRole, foregroundBrush);
-        item->setData(Qt::DecorationRole, UIThemeManager::instance()->getIcon(u"loading"_s, u"sphere"_s));
+        item->setData(Qt::DecorationRole, UIThemeManager::instance()->getIcon(u"rss_read_article"_s, u"sphere"_s));
     }
     else
     {
         const QBrush foregroundBrush {UIThemeManager::instance()->getColor(u"RSS.UnreadArticle"_s)};
         item->setData(Qt::ForegroundRole, foregroundBrush);
-        item->setData(Qt::DecorationRole, UIThemeManager::instance()->getIcon(u"loading"_s, u"sphere"_s));
+        item->setData(Qt::DecorationRole, UIThemeManager::instance()->getIcon(u"rss_unread_article"_s, u"sphere"_s));
     }
 
     return item;
diff --git a/src/gui/search/searchjobwidget.cpp b/src/gui/search/searchjobwidget.cpp
index e40863526..bddaefa21 100644
--- a/src/gui/search/searchjobwidget.cpp
+++ b/src/gui/search/searchjobwidget.cpp
@@ -128,9 +128,9 @@ SearchJobWidget::SearchJobWidget(SearchHandler *searchHandler, QWidget *parent)
     m_lineEditSearchResultsFilter->setPlaceholderText(tr("Filter search results..."));
     m_lineEditSearchResultsFilter->setContextMenuPolicy(Qt::CustomContextMenu);
     connect(m_lineEditSearchResultsFilter, &QWidget::customContextMenuRequested, this, &SearchJobWidget::showFilterContextMenu);
+    connect(m_lineEditSearchResultsFilter, &LineEdit::textChanged, this, &SearchJobWidget::filterSearchResults);
     m_ui->horizontalLayout->insertWidget(0, m_lineEditSearchResultsFilter);
 
-    connect(m_lineEditSearchResultsFilter, &LineEdit::textChanged, this, &SearchJobWidget::filterSearchResults);
     connect(m_ui->filterMode, qOverload<int>(&QComboBox::currentIndexChanged)
             , this, &SearchJobWidget::updateFilter);
     connect(m_ui->minSeeds, &QAbstractSpinBox::editingFinished, this, &SearchJobWidget::updateFilter);
diff --git a/src/gui/uithemecommon.h b/src/gui/uithemecommon.h
index 087357395..64c50d659 100644
--- a/src/gui/uithemecommon.h
+++ b/src/gui/uithemecommon.h
@@ -149,6 +149,8 @@ inline QSet<QString> defaultUIThemeIcons()
         u"queued"_s,
         u"ratio"_s,
         u"reannounce"_s,
+        u"rss_read_article"_s,
+        u"rss_unread_article"_s,
         u"security-high"_s,
         u"security-low"_s,
         u"set-location"_s,
diff --git a/src/icons/icons.qrc b/src/icons/icons.qrc
index 7d23cc8ca..28ee16e1b 100644
--- a/src/icons/icons.qrc
+++ b/src/icons/icons.qrc
@@ -331,6 +331,8 @@
         <file>queued.svg</file>
         <file>ratio.svg</file>
         <file>reannounce.svg</file>
+        <file>rss_read_article.png</file>
+        <file>rss_unread_article.png</file>
         <file>security-high.svg</file>
         <file>security-low.svg</file>
         <file>set-location.svg</file>
diff --git a/src/icons/rss_read_article.png b/src/icons/rss_read_article.png
new file mode 100644
index 000000000..ae6588c03
Binary files /dev/null and b/src/icons/rss_read_article.png differ
diff --git a/src/icons/rss_unread_article.png b/src/icons/rss_unread_article.png
new file mode 100644
index 000000000..a9291d2e9
Binary files /dev/null and b/src/icons/rss_unread_article.png differ
diff --git a/src/src.pro b/src/src.pro
index dc164a5e2..8f6173e6c 100644
--- a/src/src.pro
+++ b/src/src.pro
@@ -7,7 +7,7 @@ win32: include(../winconf.pri)
 macx: include(../macxconf.pri)
 unix:!macx: include(../unixconf.pri)
 
-QT += network sql xml
+QT += core-private network sql xml
 
 macx|*-clang*: QMAKE_CXXFLAGS_WARN_ON += -Wno-range-loop-analysis
 
diff --git a/src/webui/www/private/scripts/client.js b/src/webui/www/private/scripts/client.js
index d26cc7a9e..fdd1fa7ea 100644
--- a/src/webui/www/private/scripts/client.js
+++ b/src/webui/www/private/scripts/client.js
@@ -658,6 +658,8 @@ window.addEvent('load', function() {
                 $('error_div').set('html', '');
                 if (response) {
                     clearTimeout(torrentsFilterInputTimer);
+                    torrentsFilterInputTimer = -1;
+
                     let torrentsTableSelectedRows;
                     let update_categories = false;
                     let updateTags = false;
@@ -1357,18 +1359,14 @@ window.addEvent('load', function() {
         $('torrentFilesFilterToolbar').addClass("invisible");
     };
 
-    let prevTorrentsFilterValue;
-    let torrentsFilterInputTimer = null;
     // listen for changes to torrentsFilterInput
-    $('torrentsFilterInput').addEvent('input', function() {
-        const value = $('torrentsFilterInput').get("value");
-        if (value !== prevTorrentsFilterValue) {
-            prevTorrentsFilterValue = value;
-            clearTimeout(torrentsFilterInputTimer);
-            torrentsFilterInputTimer = setTimeout(function() {
-                torrentsTable.updateTable(false);
-            }, 400);
-        }
+    let torrentsFilterInputTimer = -1;
+    $('torrentsFilterInput').addEvent('input', () => {
+        clearTimeout(torrentsFilterInputTimer);
+        torrentsFilterInputTimer = setTimeout(() => {
+            torrentsFilterInputTimer = -1;
+            torrentsTable.updateTable();
+        }, window.qBittorrent.Misc.FILTER_INPUT_DELAY);
     });
 
     $('transfersTabLink').addEvent('click', showTransfersTab);
diff --git a/src/webui/www/private/scripts/contextmenu.js b/src/webui/www/private/scripts/contextmenu.js
index b9487abb8..a24d1840b 100644
--- a/src/webui/www/private/scripts/contextmenu.js
+++ b/src/webui/www/private/scripts/contextmenu.js
@@ -175,12 +175,14 @@ window.qBittorrent.ContextMenu = (function() {
 
                 const touchstartEvent = e;
                 this.touchstartTimer = setTimeout(function() {
+                    this.touchstartTimer = -1;
                     this.triggerMenu(touchstartEvent, elem);
                 }.bind(this), this.options.touchTimer);
             }.bind(this));
             elem.addEvent('touchend', function(e) {
                 e.preventDefault();
                 clearTimeout(this.touchstartTimer);
+                this.touchstartTimer = -1;
             }.bind(this));
         },
 
diff --git a/src/webui/www/private/scripts/dynamicTable.js b/src/webui/www/private/scripts/dynamicTable.js
index b576d8a06..17d3e883c 100644
--- a/src/webui/www/private/scripts/dynamicTable.js
+++ b/src/webui/www/private/scripts/dynamicTable.js
@@ -701,10 +701,7 @@ window.qBittorrent.DynamicTable = (function() {
             return null;
         },
 
-        updateTable: function(fullUpdate) {
-            if (fullUpdate === undefined)
-                fullUpdate = false;
-
+        updateTable: function(fullUpdate = false) {
             const rows = this.getFilteredAndSortedRows();
 
             for (let i = 0; i < this.selectedRows.length; ++i)
diff --git a/src/webui/www/private/scripts/misc.js b/src/webui/www/private/scripts/misc.js
index 23e8bb520..e2c025b7c 100644
--- a/src/webui/www/private/scripts/misc.js
+++ b/src/webui/www/private/scripts/misc.js
@@ -46,6 +46,8 @@ window.qBittorrent.Misc = (function() {
             toFixedPointString: toFixedPointString,
             containsAllTerms: containsAllTerms,
             sleep: sleep,
+            // variables
+            FILTER_INPUT_DELAY: 400,
             MAX_ETA: 8640000
         };
     };
diff --git a/src/webui/www/private/scripts/prop-files.js b/src/webui/www/private/scripts/prop-files.js
index 503350f90..e21dc7e02 100644
--- a/src/webui/www/private/scripts/prop-files.js
+++ b/src/webui/www/private/scripts/prop-files.js
@@ -366,6 +366,7 @@ window.qBittorrent.PropFiles = (function() {
             },
             onSuccess: function(files) {
                 clearTimeout(torrentFilesFilterInputTimer);
+                torrentFilesFilterInputTimer = -1;
 
                 if (files.length === 0) {
                     torrentFilesTable.clear();
@@ -640,26 +641,27 @@ window.qBittorrent.PropFiles = (function() {
     if (torrentFilesTable.getSortedColumn() === null)
         torrentFilesTable.setSortedColumn('name');
 
-    let prevTorrentFilesFilterValue;
-    let torrentFilesFilterInputTimer = null;
     // listen for changes to torrentFilesFilterInput
-    $('torrentFilesFilterInput').addEvent('input', function() {
-        const value = $('torrentFilesFilterInput').get("value");
-        if (value !== prevTorrentFilesFilterValue) {
-            prevTorrentFilesFilterValue = value;
-            torrentFilesTable.setFilter(value);
-            clearTimeout(torrentFilesFilterInputTimer);
-            torrentFilesFilterInputTimer = setTimeout(function() {
-                if (current_hash === "")
-                    return;
-                torrentFilesTable.updateTable(false);
+    let torrentFilesFilterInputTimer = -1;
+    $('torrentFilesFilterInput').addEvent('input', () => {
+        clearTimeout(torrentFilesFilterInputTimer);
 
-                if (value.trim() === "")
-                    collapseAllNodes();
-                else
-                    expandAllNodes();
-            }, 400);
-        }
+        const value = $('torrentFilesFilterInput').get("value");
+        torrentFilesTable.setFilter(value);
+
+        torrentFilesFilterInputTimer = setTimeout(() => {
+            torrentFilesFilterInputTimer = -1;
+
+            if (current_hash === "")
+                return;
+
+            torrentFilesTable.updateTable();
+
+            if (value.trim() === "")
+                collapseAllNodes();
+            else
+                expandAllNodes();
+        }, window.qBittorrent.Misc.FILTER_INPUT_DELAY);
     });
 
     /**
diff --git a/src/webui/www/private/views/log.html b/src/webui/www/private/views/log.html
index ff3a25319..3068edf69 100644
--- a/src/webui/www/private/views/log.html
+++ b/src/webui/www/private/views/log.html
@@ -183,7 +183,7 @@
         };
 
         let customSyncLogDataInterval = null;
-        let logFilterTimer;
+        let logFilterTimer = -1;
         let inputtedFilterText = "";
         let selectBox;
         let selectedLogLevels = JSON.parse(LocalPreferences.get('qbt_selected_log_levels')) || ['1', '2', '4', '8'];
@@ -297,9 +297,11 @@
         const logFilterChanged = () => {
             clearTimeout(logFilterTimer);
             logFilterTimer = setTimeout((curTab) => {
+                logFilterTimer = -1;
+
                 tableInfo[curTab].instance.updateTable(false);
                 updateLabelCount(curTab);
-            }, 400, currentSelectedTab);
+            }, window.qBittorrent.Misc.FILTER_INPUT_DELAY, currentSelectedTab);
         };
 
         const setCurrentTab = (tab) => {
@@ -321,6 +323,7 @@
             }
 
             clearTimeout(logFilterTimer);
+            logFilterTimer = -1;
             load();
 
             if (tableInfo[currentSelectedTab].instance.filterText !== getFilterText()) {
@@ -377,6 +380,8 @@
 
                     if (response.length > 0) {
                         clearTimeout(logFilterTimer);
+                        logFilterTimer = -1;
+
                         for (let i = 0; i < response.length; ++i) {
                             let row;
                             if (curTab === 'main') {
diff --git a/src/webui/www/private/views/search.html b/src/webui/www/private/views/search.html
index fbae44ae8..1f032db80 100644
--- a/src/webui/www/private/views/search.html
+++ b/src/webui/www/private/views/search.html
@@ -233,7 +233,6 @@
             max: 0.00,
             maxUnit: 3
         };
-        let prevNameFilterValue;
         let selectedCategory = "QBT_TR(All categories)QBT_TR[CONTEXT=SearchEngineWidget]";
         let selectedPlugin = "all";
         let prevSelectedPlugin;
@@ -258,18 +257,17 @@
             searchResultsTable.setup('searchResultsTableDiv', 'searchResultsTableFixedHeaderDiv', searchResultsTableContextMenu);
             getPlugins();
 
-            let searchInNameFilterTimer = null;
             // listen for changes to searchInNameFilter
-            $('searchInNameFilter').addEvent('input', function() {
-                const value = $('searchInNameFilter').get("value");
-                if (value !== prevNameFilterValue) {
-                    prevNameFilterValue = value;
-                    clearTimeout(searchInNameFilterTimer);
-                    searchInNameFilterTimer = setTimeout(function() {
-                        searchText.filterPattern = value;
-                        searchFilterChanged();
-                    }, 400);
-                }
+            let searchInNameFilterTimer = -1;
+            $('searchInNameFilter').addEvent('input', () => {
+                clearTimeout(searchInNameFilterTimer);
+                searchInNameFilterTimer = setTimeout(() => {
+                    searchInNameFilterTimer = -1;
+
+                    const value = $('searchInNameFilter').get("value");
+                    searchText.filterPattern = value;
+                    searchFilterChanged();
+                }, window.qBittorrent.Misc.FILTER_INPUT_DELAY);
             });
 
             new Keyboard({