diff --git a/pri/vars.pri b/pri/vars.pri
index b721d7297..662116e5b 100644
--- a/pri/vars.pri
+++ b/pri/vars.pri
@@ -4,7 +4,7 @@ APP_REVERSE_NAME              = "com.github.rssguard"
 APP_LOW_H_NAME                = ".rssguard"
 APP_AUTHOR                    = "Martin Rotter"
 APP_COPYRIGHT                 = "(C) 2011-2020 $$APP_AUTHOR"
-APP_VERSION                   = "3.6.3"
+APP_VERSION                   = "3.7.0"
 APP_LONG_NAME                 = "$$APP_NAME $$APP_VERSION"
 APP_EMAIL                     = "rotter.martinos@gmail.com"
 APP_URL                       = "https://github.com/martinrotter/rssguard"
diff --git a/src/librssguard/core/feeddownloader.cpp b/src/librssguard/core/feeddownloader.cpp
index 01b52f763..a16dca377 100644
--- a/src/librssguard/core/feeddownloader.cpp
+++ b/src/librssguard/core/feeddownloader.cpp
@@ -31,7 +31,7 @@ bool FeedDownloader::isUpdateRunning() const {
   return !m_feeds.isEmpty();
 }
 
-void FeedDownloader::updateAvailableFeeds(const QList<MessageFilter*>& msg_filters) {
+void FeedDownloader::updateAvailableFeeds() {
   for (const Feed* feed : m_feeds) {
     auto* cache = dynamic_cast<CacheForServiceRoot*>(feed->getParentServiceRoot());
 
@@ -42,11 +42,11 @@ void FeedDownloader::updateAvailableFeeds(const QList<MessageFilter*>& msg_filte
   }
 
   while (!m_feeds.isEmpty()) {
-    updateOneFeed(m_feeds.takeFirst(), msg_filters);
+    updateOneFeed(m_feeds.takeFirst());
   }
 }
 
-void FeedDownloader::updateFeeds(const QList<Feed*>& feeds, const QList<MessageFilter*>& msg_filters) {
+void FeedDownloader::updateFeeds(const QList<Feed*>& feeds) {
   QMutexLocker locker(m_mutex);
 
   if (feeds.isEmpty()) {
@@ -62,7 +62,7 @@ void FeedDownloader::updateFeeds(const QList<Feed*>& feeds, const QList<MessageF
     // Job starts now.
     emit updateStarted();
 
-    updateAvailableFeeds(msg_filters);
+    updateAvailableFeeds();
   }
 
   finalizeUpdate();
@@ -73,7 +73,7 @@ void FeedDownloader::stopRunningUpdate() {
   m_feedsOriginalCount = m_feedsUpdated = 0;
 }
 
-void FeedDownloader::updateOneFeed(Feed* feed, const QList<MessageFilter*>& msg_filters) {
+void FeedDownloader::updateOneFeed(Feed* feed) {
   qDebug().nospace() << "Downloading new messages for feed ID "
                      << feed->customId() << " URL: " << feed->url() << " title: " << feed->title() << " in thread: \'"
                      << QThread::currentThreadId() << "\'.";
@@ -101,7 +101,7 @@ void FeedDownloader::updateOneFeed(Feed* feed, const QList<MessageFilter*>& msg_
                   .remove(QRegularExpression(QSL("([\\n\\r])|(^\\s)")));
   }
 
-  if (!msg_filters.isEmpty()) {
+  if (!feed->filters().isEmpty()) {
     // Perform per-message filtering.
     QJSEngine filter_engine;
 
@@ -117,7 +117,19 @@ void FeedDownloader::updateOneFeed(Feed* feed, const QList<MessageFilter*>& msg_
       // Attach live message object to wrapper.
       msg_obj.setMessage(&msgs[i]);
 
-      for (MessageFilter* msg_filter : msg_filters) {
+      auto feed_filters = feed->filters();
+
+      for (int i = 0; i < feed_filters.size(); i++) {
+        QPointer<MessageFilter> filter = feed_filters.at(i);
+
+        if (filter.isNull()) {
+          qWarning("Message filter was probably deleted, removing its pointer from list of filters.");
+          feed_filters.removeAt(i--);
+          continue;
+        }
+
+        MessageFilter* msg_filter = filter.data();
+
         // Call the filtering logic, given function must return integer value from
         // FilteringAction enumeration.
         //
@@ -129,10 +141,12 @@ void FeedDownloader::updateOneFeed(Feed* feed, const QList<MessageFilter*>& msg_
 
         switch (decision) {
           case FilteringAction::Accept:
+
             // Message is normally accepted, it could be tweaked by the filter.
             continue;
 
           case FilteringAction::Ignore:
+
             // Remove the message, we do not want it.
             msgs.removeAt(i--);
             break;
diff --git a/src/librssguard/core/feeddownloader.h b/src/librssguard/core/feeddownloader.h
index d23e15d76..3cbb8f31e 100644
--- a/src/librssguard/core/feeddownloader.h
+++ b/src/librssguard/core/feeddownloader.h
@@ -41,7 +41,7 @@ class FeedDownloader : public QObject {
     bool isUpdateRunning() const;
 
   public slots:
-    void updateFeeds(const QList<Feed*>& feeds, const QList<MessageFilter*>& msg_filters);
+    void updateFeeds(const QList<Feed*>& feeds);
     void stopRunningUpdate();
 
   signals:
@@ -50,8 +50,8 @@ class FeedDownloader : public QObject {
     void updateProgress(const Feed* feed, int current, int total);
 
   private:
-    void updateOneFeed(Feed* feed, const QList<MessageFilter*>& msg_filters);
-    void updateAvailableFeeds(const QList<MessageFilter*>& msg_filters);
+    void updateOneFeed(Feed* feed);
+    void updateAvailableFeeds();
     void finalizeUpdate();
 
     QList<Feed*> m_feeds;
diff --git a/src/librssguard/core/messagesmodel.cpp b/src/librssguard/core/messagesmodel.cpp
index 555ecfeae..e29e94c0a 100644
--- a/src/librssguard/core/messagesmodel.cpp
+++ b/src/librssguard/core/messagesmodel.cpp
@@ -229,7 +229,7 @@ QVariant MessagesModel::data(const QModelIndex& idx, int role) const {
         QDateTime dt = TextFactory::parseDateTime(QSqlQueryModel::data(idx, role).value<qint64>()).toLocalTime();
 
         if (m_customDateFormat.isEmpty()) {
-          return dt.toString(Qt::DefaultLocaleShortDate);
+          return QLocale().toString(dt, QLocale::FormatType::ShortFormat);
         }
         else {
           return dt.toString(m_customDateFormat);
diff --git a/src/librssguard/gui/dialogs/formabout.cpp b/src/librssguard/gui/dialogs/formabout.cpp
index dd1b0192b..cb7fb9695 100644
--- a/src/librssguard/gui/dialogs/formabout.cpp
+++ b/src/librssguard/gui/dialogs/formabout.cpp
@@ -72,8 +72,8 @@ void FormAbout::loadLicenseAndInformation() {
   m_ui.m_lblDesc->setText(tr("<b>%8</b><br>" "<b>Version:</b> %1 (built on %2/%3)<br>" "<b>Revision:</b> %4<br>" "<b>Build date:</b> %5<br>"
                                                                                                                  "<b>Qt:</b> %6 (compiled against %7)<br>").arg(
                             qApp->applicationVersion(), APP_SYSTEM_NAME, APP_SYSTEM_VERSION, APP_REVISION,
-                            TextFactory::parseDateTime(QString("%1 %2").arg(__DATE__,
-                                                                            __TIME__)).toString(Qt::DefaultLocaleShortDate),
+                            QLocale().toString(TextFactory::parseDateTime(QString("%1 %2").arg(__DATE__, __TIME__)),
+                                               QLocale::FormatType::ShortFormat),
                             qVersion(), QT_VERSION_STR,
                             APP_NAME));
   m_ui.m_txtInfo->setText(tr("<body>%5 is a (very) tiny feed reader."
diff --git a/src/librssguard/gui/webviewer.cpp b/src/librssguard/gui/webviewer.cpp
index 4cbddaf04..695fd4bf5 100644
--- a/src/librssguard/gui/webviewer.cpp
+++ b/src/librssguard/gui/webviewer.cpp
@@ -127,7 +127,7 @@ void WebViewer::loadMessages(const QList<Message>& messages, RootItem* root) {
                                                      message.m_author),
                                 message.m_url,
                                 message.m_contents,
-                                message.m_created.toString(Qt::DefaultLocaleShortDate),
+                                QLocale().toString(message.m_created, QLocale::FormatType::ShortFormat),
                                 enclosures,
                                 message.m_isRead ? "mark-unread" : "mark-read",
                                 message.m_isImportant ? "mark-unstarred" : "mark-starred",
@@ -201,11 +201,11 @@ bool WebViewer::eventFilter(QObject* object, QEvent* event) {
     QWheelEvent* wh_event = static_cast<QWheelEvent*>(event);
 
     if ((wh_event->modifiers() & Qt::KeyboardModifier::ControlModifier) > 0) {
-      if (wh_event->delta() > 0) {
+      if (wh_event->angleDelta().y() > 0) {
         increaseWebPageZoom();
         return true;
       }
-      else if (wh_event->delta() < 0) {
+      else if (wh_event->angleDelta().y() < 0) {
         decreaseWebPageZoom();
         return true;
       }
diff --git a/src/librssguard/miscellaneous/externaltool.h b/src/librssguard/miscellaneous/externaltool.h
index e9bd5c737..2722069a0 100644
--- a/src/librssguard/miscellaneous/externaltool.h
+++ b/src/librssguard/miscellaneous/externaltool.h
@@ -10,7 +10,7 @@ class ExternalTool {
   public:
     explicit ExternalTool();
     ExternalTool(const ExternalTool& other);
-    explicit ExternalTool(QString  executable, QStringList  parameters);
+    explicit ExternalTool(QString executable, QStringList parameters);
 
     QString toString();
     QString executable() const;
diff --git a/src/librssguard/miscellaneous/feedreader.cpp b/src/librssguard/miscellaneous/feedreader.cpp
index 9c99f6575..dc56ae1e2 100644
--- a/src/librssguard/miscellaneous/feedreader.cpp
+++ b/src/librssguard/miscellaneous/feedreader.cpp
@@ -75,7 +75,6 @@ void FeedReader::updateFeeds(const QList<Feed*>& feeds) {
     m_feedDownloader = new FeedDownloader();
 
     // Downloader setup.
-    qRegisterMetaType<QList<MessageFilter*>>("QList<MessageFilter*>");
     qRegisterMetaType<QList<Feed*>>("QList<Feed*>");
 
     m_feedDownloader->moveToThread(m_feedDownloaderThread);
@@ -92,8 +91,7 @@ void FeedReader::updateFeeds(const QList<Feed*>& feeds) {
 
   QMetaObject::invokeMethod(m_feedDownloader, "updateFeeds",
                             Qt::ConnectionType::QueuedConnection,
-                            Q_ARG(QList<Feed*>, feeds),
-                            Q_ARG(QList<MessageFilter*>, m_messageFilters));
+                            Q_ARG(QList<Feed*>, feeds));
 }
 
 void FeedReader::updateAutoUpdateStatus() {
@@ -130,6 +128,12 @@ int FeedReader::autoUpdateInitialInterval() const {
   return m_globalAutoUpdateInitialInterval;
 }
 
+void FeedReader::loadSaveMessageFilters() {
+  // TODO: Load all message filters from database.
+  // All plugin services will hook active filters to
+  // all feeds.
+}
+
 void FeedReader::updateAllFeeds() {
   updateFeeds(m_feedsModel->rootItem()->getSubTreeFeeds());
 }
diff --git a/src/librssguard/miscellaneous/feedreader.h b/src/librssguard/miscellaneous/feedreader.h
index 82459faf7..182fc37fd 100644
--- a/src/librssguard/miscellaneous/feedreader.h
+++ b/src/librssguard/miscellaneous/feedreader.h
@@ -26,8 +26,7 @@ class RSSGUARD_DLLSPEC FeedReader : public QObject {
     explicit FeedReader(QObject* parent = nullptr);
     virtual ~FeedReader();
 
-    // List of all installed "feed service plugins", including obligatory
-    // "standard" service entry point.
+    // List of all installed "feed service plugins".
     QList<ServiceEntryPoint*> feedServices();
 
     // Access to DB cleaner.
@@ -51,6 +50,8 @@ class RSSGUARD_DLLSPEC FeedReader : public QObject {
     int autoUpdateRemainingInterval() const;
     int autoUpdateInitialInterval() const;
 
+    void loadSaveMessageFilters();
+
   public slots:
     void updateAllFeeds();
     void stopRunningFeedUpdate();
diff --git a/src/librssguard/network-web/adblock/adblockrule.cpp b/src/librssguard/network-web/adblock/adblockrule.cpp
index 8e8ac3d06..5e9e199e5 100644
--- a/src/librssguard/network-web/adblock/adblockrule.cpp
+++ b/src/librssguard/network-web/adblock/adblockrule.cpp
@@ -499,7 +499,7 @@ void AdBlockRule::parseFilter() {
 void AdBlockRule::parseDomains(const QString& domains, const QChar& separator) {
   QStringList domainsList = domains.split(separator, QString::SkipEmptyParts);
 
-  for (const QString domain : domainsList) {
+  for (const QString& domain : domainsList) {
     if (domain.isEmpty()) {
       continue;
     }
@@ -619,6 +619,7 @@ QString AdBlockRule::createRegExpFromFilter(const QString& filter) const {
 
 QList<QStringMatcher> AdBlockRule::createStringMatchers(const QStringList& filters) const {
   QList<QStringMatcher> matchers;
+
   matchers.reserve(filters.size());
 
   for (const QString& filter : filters) {
diff --git a/src/librssguard/services/abstract/feed.cpp b/src/librssguard/services/abstract/feed.cpp
index 2fef84e83..7bfc7d5aa 100755
--- a/src/librssguard/services/abstract/feed.cpp
+++ b/src/librssguard/services/abstract/feed.cpp
@@ -18,7 +18,8 @@
 
 Feed::Feed(RootItem* parent)
   : RootItem(parent), m_url(QString()), m_status(Normal), m_autoUpdateType(DefaultAutoUpdate),
-  m_autoUpdateInitialInterval(DEFAULT_AUTO_UPDATE_INTERVAL), m_autoUpdateRemainingInterval(DEFAULT_AUTO_UPDATE_INTERVAL) {
+  m_autoUpdateInitialInterval(DEFAULT_AUTO_UPDATE_INTERVAL), m_autoUpdateRemainingInterval(DEFAULT_AUTO_UPDATE_INTERVAL),
+  m_filters(QList<QPointer<MessageFilter>>()) {
   setKind(RootItemKind::Feed);
 }
 
@@ -51,6 +52,7 @@ Feed::Feed(const Feed& other) : RootItem(other) {
   setAutoUpdateType(other.autoUpdateType());
   setAutoUpdateInitialInterval(other.autoUpdateInitialInterval());
   setAutoUpdateRemainingInterval(other.autoUpdateRemainingInterval());
+  setFilters(other.filters());
 }
 
 Feed::~Feed() = default;
@@ -241,9 +243,11 @@ QString Feed::getAutoUpdateStatusDescription() const {
     case DefaultAutoUpdate:
 
       //: Describes feed auto-update status.
-      auto_update_string = tr("uses global settings (%n minute(s) to next auto-update)",
-                              nullptr,
-                              qApp->feedReader()->autoUpdateRemainingInterval());
+      auto_update_string = qApp->feedReader()->autoUpdateEnabled()
+              ? tr("uses global settings (%n minute(s) to next auto-update)",
+                   nullptr,
+                   qApp->feedReader()->autoUpdateRemainingInterval())
+              : tr("uses global settings (global feed auto-updating is disabled)");
       break;
 
     case SpecificAutoUpdate:
@@ -276,7 +280,18 @@ QString Feed::getStatusDescription() const {
   }
 }
 
+QList<QPointer<MessageFilter>> Feed::filters() const {
+  return m_filters;
+}
+
+void Feed::setFilters(const QList<QPointer<MessageFilter>>& filters) {
+  m_filters = filters;
+}
+
 QString Feed::additionalTooltip() const {
   return tr("Auto-update status: %1\n"
-            "Status: %2").arg(getAutoUpdateStatusDescription(), getStatusDescription());
+            "Active message filters: %2\n"
+            "Status: %3").arg(getAutoUpdateStatusDescription(),
+                              QString::number(m_filters.size()),
+                              getStatusDescription());
 }
diff --git a/src/librssguard/services/abstract/feed.h b/src/librssguard/services/abstract/feed.h
index b6992dbf3..8bb93ff05 100644
--- a/src/librssguard/services/abstract/feed.h
+++ b/src/librssguard/services/abstract/feed.h
@@ -6,7 +6,9 @@
 #include "services/abstract/rootitem.h"
 
 #include "core/message.h"
+#include "core/messagefilter.h"
 
+#include <QPointer>
 #include <QVariant>
 
 // Base class for "feed" nodes.
@@ -67,6 +69,9 @@ class Feed : public RootItem {
     QString url() const;
     void setUrl(const QString& url);
 
+    QList<QPointer<MessageFilter>> filters() const;
+    void setFilters(const QList<QPointer<MessageFilter>>& filters);
+
     bool markAsReadUnread(ReadStatus status);
     bool cleanMessages(bool clean_read_only);
 
@@ -88,6 +93,7 @@ class Feed : public RootItem {
     int m_autoUpdateRemainingInterval{};
     int m_totalCount{};
     int m_unreadCount{};
+    QList<QPointer<MessageFilter>> m_filters;
 };
 
 Q_DECLARE_METATYPE(Feed::AutoUpdateType)
diff --git a/src/librssguard/services/tt-rss/ttrssserviceroot.cpp b/src/librssguard/services/tt-rss/ttrssserviceroot.cpp
index 2c5c47d36..addb318fd 100644
--- a/src/librssguard/services/tt-rss/ttrssserviceroot.cpp
+++ b/src/librssguard/services/tt-rss/ttrssserviceroot.cpp
@@ -163,9 +163,9 @@ QString TtRssServiceRoot::additionalTooltip() const {
             "Last error: %3\nLast login on: %4").arg(m_network->username(),
                                                      m_network->url(),
                                                      NetworkFactory::networkErrorText(m_network->lastError()),
-                                                     m_network->lastLoginTime().isValid() ?
-                                                     m_network->lastLoginTime().toString(Qt::DefaultLocaleShortDate) :
-                                                     QSL("-"));
+                                                     m_network->lastLoginTime().isValid()
+                                                     ? QLocale().toString(m_network->lastLoginTime(), QLocale::FormatType::ShortFormat)
+                                                     : QSL("-"));
 }
 
 TtRssNetworkFactory* TtRssServiceRoot::network() const {
diff --git a/src/rssguard/main.cpp b/src/rssguard/main.cpp
index f0c2e29b2..db85bcb90 100755
--- a/src/rssguard/main.cpp
+++ b/src/rssguard/main.cpp
@@ -77,6 +77,7 @@ int main(int argc, char* argv[]) {
 
   qApp->loadDynamicShortcuts();
   qApp->hideOrShowMainForm();
+  qApp->feedReader()->loadSaveMessageFilters();
   qApp->feedReader()->feedsModel()->loadActivatedServiceAccounts();
   qApp->showTrayIcon();
   qApp->offerChanges();