diff --git a/src/app/application.cpp b/src/app/application.cpp
index b5783feb0..ac4ab2c94 100644
--- a/src/app/application.cpp
+++ b/src/app/application.cpp
@@ -100,22 +100,10 @@
 namespace
 {
 #define SETTINGS_KEY(name) "Application/" name
-
-    // FileLogger properties keys
-#define FILELOGGER_SETTINGS_KEY(name) QStringLiteral(SETTINGS_KEY("FileLogger/") name)
-    const QString KEY_FILELOGGER_ENABLED = FILELOGGER_SETTINGS_KEY("Enabled");
-    const QString KEY_FILELOGGER_PATH = FILELOGGER_SETTINGS_KEY("Path");
-    const QString KEY_FILELOGGER_BACKUP = FILELOGGER_SETTINGS_KEY("Backup");
-    const QString KEY_FILELOGGER_DELETEOLD = FILELOGGER_SETTINGS_KEY("DeleteOld");
-    const QString KEY_FILELOGGER_MAXSIZEBYTES = FILELOGGER_SETTINGS_KEY("MaxSizeBytes");
-    const QString KEY_FILELOGGER_AGE = FILELOGGER_SETTINGS_KEY("Age");
-    const QString KEY_FILELOGGER_AGETYPE = FILELOGGER_SETTINGS_KEY("AgeType");
-
-    // just a shortcut
-    inline SettingsStorage *settings() { return  SettingsStorage::instance(); }
+#define FILELOGGER_SETTINGS_KEY(name) (SETTINGS_KEY("FileLogger/") name)
 
     const QString LOG_FOLDER = QStringLiteral("logs");
-    const QChar PARAMS_SEPARATOR = '|';
+    const QChar PARAMS_SEPARATOR = QLatin1Char('|');
 
     const QString DEFAULT_PORTABLE_MODE_PROFILE_DIR = QStringLiteral("profile");
 
@@ -133,6 +121,13 @@ Application::Application(int &argc, char **argv)
     , m_running(false)
     , m_shutdownAct(ShutdownDialogAction::Exit)
     , m_commandLineArgs(parseCommandLine(this->arguments()))
+    , m_storeFileLoggerEnabled(FILELOGGER_SETTINGS_KEY("Enabled"))
+    , m_storeFileLoggerBackup(FILELOGGER_SETTINGS_KEY("Backup"))
+    , m_storeFileLoggerDeleteOld(FILELOGGER_SETTINGS_KEY("DeleteOld"))
+    , m_storeFileLoggerMaxSize(FILELOGGER_SETTINGS_KEY("MaxSizeBytes"))
+    , m_storeFileLoggerAge(FILELOGGER_SETTINGS_KEY("Age"))
+    , m_storeFileLoggerAgeType(FILELOGGER_SETTINGS_KEY("AgeType"))
+    , m_storeFileLoggerPath(FILELOGGER_SETTINGS_KEY("Path"))
 {
     qRegisterMetaType<Log::Msg>("Log::Msg");
     qRegisterMetaType<Log::Peer>("Log::Peer");
@@ -211,7 +206,7 @@ const QBtCommandLineParameters &Application::commandLineArgs() const
 
 bool Application::isFileLoggerEnabled() const
 {
-    return settings()->loadValue(KEY_FILELOGGER_ENABLED, true);
+    return m_storeFileLoggerEnabled.get(true);
 }
 
 void Application::setFileLoggerEnabled(const bool value)
@@ -220,49 +215,48 @@ void Application::setFileLoggerEnabled(const bool value)
         m_fileLogger = new FileLogger(fileLoggerPath(), isFileLoggerBackup(), fileLoggerMaxSize(), isFileLoggerDeleteOld(), fileLoggerAge(), static_cast<FileLogger::FileLogAgeType>(fileLoggerAgeType()));
     else if (!value)
         delete m_fileLogger;
-    settings()->storeValue(KEY_FILELOGGER_ENABLED, value);
+    m_storeFileLoggerEnabled = value;
 }
 
 QString Application::fileLoggerPath() const
 {
-    return settings()->loadValue(KEY_FILELOGGER_PATH
-        , QString {specialFolderLocation(SpecialFolder::Data) + LOG_FOLDER});
+    return m_storeFileLoggerPath.get(specialFolderLocation(SpecialFolder::Data) + LOG_FOLDER);
 }
 
 void Application::setFileLoggerPath(const QString &path)
 {
     if (m_fileLogger)
         m_fileLogger->changePath(path);
-    settings()->storeValue(KEY_FILELOGGER_PATH, path);
+    m_storeFileLoggerPath = path;
 }
 
 bool Application::isFileLoggerBackup() const
 {
-    return settings()->loadValue(KEY_FILELOGGER_BACKUP, true);
+    return m_storeFileLoggerBackup.get(true);
 }
 
 void Application::setFileLoggerBackup(const bool value)
 {
     if (m_fileLogger)
         m_fileLogger->setBackup(value);
-    settings()->storeValue(KEY_FILELOGGER_BACKUP, value);
+    m_storeFileLoggerBackup = value;
 }
 
 bool Application::isFileLoggerDeleteOld() const
 {
-    return settings()->loadValue(KEY_FILELOGGER_DELETEOLD, true);
+    return m_storeFileLoggerDeleteOld.get(true);
 }
 
 void Application::setFileLoggerDeleteOld(const bool value)
 {
     if (value && m_fileLogger)
         m_fileLogger->deleteOld(fileLoggerAge(), static_cast<FileLogger::FileLogAgeType>(fileLoggerAgeType()));
-    settings()->storeValue(KEY_FILELOGGER_DELETEOLD, value);
+    m_storeFileLoggerDeleteOld = value;
 }
 
 int Application::fileLoggerMaxSize() const
 {
-    const int val = settings()->loadValue(KEY_FILELOGGER_MAXSIZEBYTES, DEFAULT_FILELOG_SIZE);
+    const int val = m_storeFileLoggerMaxSize.get(DEFAULT_FILELOG_SIZE);
     return std::min(std::max(val, MIN_FILELOG_SIZE), MAX_FILELOG_SIZE);
 }
 
@@ -271,29 +265,29 @@ void Application::setFileLoggerMaxSize(const int bytes)
     const int clampedValue = std::min(std::max(bytes, MIN_FILELOG_SIZE), MAX_FILELOG_SIZE);
     if (m_fileLogger)
         m_fileLogger->setMaxSize(clampedValue);
-    settings()->storeValue(KEY_FILELOGGER_MAXSIZEBYTES, clampedValue);
+    m_storeFileLoggerMaxSize = clampedValue;
 }
 
 int Application::fileLoggerAge() const
 {
-    const int val = settings()->loadValue(KEY_FILELOGGER_AGE, 1);
+    const int val = m_storeFileLoggerAge.get(1);
     return std::min(std::max(val, 1), 365);
 }
 
 void Application::setFileLoggerAge(const int value)
 {
-    settings()->storeValue(KEY_FILELOGGER_AGE, std::min(std::max(value, 1), 365));
+    m_storeFileLoggerAge = std::min(std::max(value, 1), 365);
 }
 
 int Application::fileLoggerAgeType() const
 {
-    const int val = settings()->loadValue(KEY_FILELOGGER_AGETYPE, 1);
+    const int val = m_storeFileLoggerAgeType.get(1);
     return ((val < 0) || (val > 2)) ? 1 : val;
 }
 
 void Application::setFileLoggerAgeType(const int value)
 {
-    settings()->storeValue(KEY_FILELOGGER_AGETYPE, ((value < 0) || (value > 2)) ? 1 : value);
+    m_storeFileLoggerAgeType = ((value < 0) || (value > 2)) ? 1 : value;
 }
 
 void Application::processMessage(const QString &message)
diff --git a/src/app/application.h b/src/app/application.h
index 3f24a96bb..13df0e196 100644
--- a/src/app/application.h
+++ b/src/app/application.h
@@ -47,6 +47,7 @@ class QSessionManager;
 using BaseApplication = QCoreApplication;
 #endif // DISABLE_GUI
 
+#include "base/settingvalue.h"
 #include "base/types.h"
 #include "cmdoptions.h"
 
@@ -120,6 +121,11 @@ private slots:
 #endif
 
 private:
+    void initializeTranslation();
+    void processParams(const QStringList &params);
+    void runExternalProgram(const BitTorrent::Torrent *torrent) const;
+    void sendNotificationEmail(const BitTorrent::Torrent *torrent);
+
     ApplicationInstanceManager *m_instanceManager = nullptr;
     bool m_running;
     ShutdownDialogAction m_shutdownAct;
@@ -140,8 +146,11 @@ private:
     QTranslator m_translator;
     QStringList m_paramsQueue;
 
-    void initializeTranslation();
-    void processParams(const QStringList &params);
-    void runExternalProgram(const BitTorrent::Torrent *torrent) const;
-    void sendNotificationEmail(const BitTorrent::Torrent *torrent);
+    SettingValue<bool> m_storeFileLoggerEnabled;
+    SettingValue<bool> m_storeFileLoggerBackup;
+    SettingValue<bool> m_storeFileLoggerDeleteOld;
+    SettingValue<int> m_storeFileLoggerMaxSize;
+    SettingValue<int> m_storeFileLoggerAge;
+    SettingValue<int> m_storeFileLoggerAgeType;
+    SettingValue<QString> m_storeFileLoggerPath;
 };
diff --git a/src/base/bittorrent/portforwarderimpl.cpp b/src/base/bittorrent/portforwarderimpl.cpp
index f81ba8f9b..67405cba3 100644
--- a/src/base/bittorrent/portforwarderimpl.cpp
+++ b/src/base/bittorrent/portforwarderimpl.cpp
@@ -33,16 +33,13 @@
 #include <QDebug>
 
 #include "base/logger.h"
-#include "base/settingsstorage.h"
-
-const QString KEY_ENABLED = QStringLiteral("Network/PortForwardingEnabled");
 
 PortForwarderImpl::PortForwarderImpl(lt::session *provider, QObject *parent)
     : Net::PortForwarder {parent}
-    , m_active {SettingsStorage::instance()->loadValue(KEY_ENABLED, true)}
+    , m_storeActive {"Network/PortForwardingEnabled", true}
     , m_provider {provider}
 {
-    if (m_active)
+    if (isEnabled())
         start();
 }
 
@@ -53,20 +50,19 @@ PortForwarderImpl::~PortForwarderImpl()
 
 bool PortForwarderImpl::isEnabled() const
 {
-    return m_active;
+    return m_storeActive;
 }
 
 void PortForwarderImpl::setEnabled(const bool enabled)
 {
-    if (m_active != enabled)
+    if (m_storeActive != enabled)
     {
         if (enabled)
             start();
         else
             stop();
 
-        m_active = enabled;
-        SettingsStorage::instance()->storeValue(KEY_ENABLED, enabled);
+        m_storeActive = enabled;
     }
 }
 
diff --git a/src/base/bittorrent/portforwarderimpl.h b/src/base/bittorrent/portforwarderimpl.h
index 05389b68d..f2574815b 100644
--- a/src/base/bittorrent/portforwarderimpl.h
+++ b/src/base/bittorrent/portforwarderimpl.h
@@ -36,6 +36,7 @@
 #include <QHash>
 
 #include "base/net/portforwarder.h"
+#include "base/settingvalue.h"
 
 class PortForwarderImpl final : public Net::PortForwarder
 {
@@ -56,7 +57,7 @@ private:
     void start();
     void stop();
 
-    bool m_active;
+    CachedSettingValue<bool> m_storeActive;
     lt::session *m_provider;
     QHash<quint16, std::vector<lt::port_mapping_t>> m_mappedPorts;
 };
diff --git a/src/base/net/proxyconfigurationmanager.cpp b/src/base/net/proxyconfigurationmanager.cpp
index 1380f2c6c..a4aa43a7b 100644
--- a/src/base/net/proxyconfigurationmanager.cpp
+++ b/src/base/net/proxyconfigurationmanager.cpp
@@ -28,20 +28,7 @@
 
 #include "proxyconfigurationmanager.h"
 
-#include "base/settingsstorage.h"
-
-#define SETTINGS_KEY(name) QStringLiteral("Network/Proxy/" name)
-const QString KEY_ONLY_FOR_TORRENTS = SETTINGS_KEY("OnlyForTorrents");
-const QString KEY_TYPE = SETTINGS_KEY("Type");
-const QString KEY_IP = SETTINGS_KEY("IP");
-const QString KEY_PORT = SETTINGS_KEY("Port");
-const QString KEY_USERNAME = SETTINGS_KEY("Username");
-const QString KEY_PASSWORD = SETTINGS_KEY("Password");
-
-namespace
-{
-    inline SettingsStorage *settings() { return SettingsStorage::instance(); }
-}
+#define SETTINGS_KEY(name) ("Network/Proxy/" name)
 
 bool Net::operator==(const ProxyConfiguration &left, const ProxyConfiguration &right)
 {
@@ -62,17 +49,21 @@ using namespace Net;
 ProxyConfigurationManager *ProxyConfigurationManager::m_instance = nullptr;
 
 ProxyConfigurationManager::ProxyConfigurationManager(QObject *parent)
-    : QObject(parent)
+    : QObject {parent}
+    , m_storeProxyOnlyForTorrents {SETTINGS_KEY("OnlyForTorrents")}
+    , m_storeProxyType {SETTINGS_KEY("Type")}
+    , m_storeProxyIP {SETTINGS_KEY("IP")}
+    , m_storeProxyPort {SETTINGS_KEY("Port")}
+    , m_storeProxyUsername {SETTINGS_KEY("Username")}
+    , m_storeProxyPassword {SETTINGS_KEY("Password")}
 {
-    m_isProxyOnlyForTorrents = settings()->loadValue(KEY_ONLY_FOR_TORRENTS, false);
-    m_config.type = static_cast<ProxyType>(
-                settings()->loadValue(KEY_TYPE, static_cast<int>(ProxyType::None)));
+    m_config.type = m_storeProxyType.get(ProxyType::None);
     if ((m_config.type < ProxyType::None) || (m_config.type > ProxyType::SOCKS4))
         m_config.type = ProxyType::None;
-    m_config.ip = settings()->loadValue<QString>(KEY_IP, "0.0.0.0");
-    m_config.port = settings()->loadValue<ushort>(KEY_PORT, 8080);
-    m_config.username = settings()->loadValue<QString>(KEY_USERNAME);
-    m_config.password = settings()->loadValue<QString>(KEY_PASSWORD);
+    m_config.ip = m_storeProxyIP.get(QLatin1String("0.0.0.0"));
+    m_config.port = m_storeProxyPort.get(8080);
+    m_config.username = m_storeProxyUsername;
+    m_config.password = m_storeProxyPassword;
     configureProxy();
 }
 
@@ -100,14 +91,14 @@ ProxyConfiguration ProxyConfigurationManager::proxyConfiguration() const
 
 void ProxyConfigurationManager::setProxyConfiguration(const ProxyConfiguration &config)
 {
-    if (config != m_config)
+    if (m_config != config)
     {
         m_config = config;
-        settings()->storeValue(KEY_TYPE, static_cast<int>(config.type));
-        settings()->storeValue(KEY_IP, config.ip);
-        settings()->storeValue(KEY_PORT, config.port);
-        settings()->storeValue(KEY_USERNAME, config.username);
-        settings()->storeValue(KEY_PASSWORD, config.password);
+        m_storeProxyType = config.type;
+        m_storeProxyIP = config.ip;
+        m_storeProxyPort = config.port;
+        m_storeProxyUsername = config.username;
+        m_storeProxyPassword = config.password;
         configureProxy();
 
         emit proxyConfigurationChanged();
@@ -116,16 +107,12 @@ void ProxyConfigurationManager::setProxyConfiguration(const ProxyConfiguration &
 
 bool ProxyConfigurationManager::isProxyOnlyForTorrents() const
 {
-    return m_isProxyOnlyForTorrents || (m_config.type == ProxyType::SOCKS4);
+    return m_storeProxyOnlyForTorrents || (m_config.type == ProxyType::SOCKS4);
 }
 
-void ProxyConfigurationManager::setProxyOnlyForTorrents(bool onlyForTorrents)
+void ProxyConfigurationManager::setProxyOnlyForTorrents(const bool onlyForTorrents)
 {
-    if (m_isProxyOnlyForTorrents != onlyForTorrents)
-    {
-        settings()->storeValue(KEY_ONLY_FOR_TORRENTS, onlyForTorrents);
-        m_isProxyOnlyForTorrents = onlyForTorrents;
-    }
+    m_storeProxyOnlyForTorrents = onlyForTorrents;
 }
 
 bool ProxyConfigurationManager::isAuthenticationRequired() const
@@ -138,7 +125,7 @@ void ProxyConfigurationManager::configureProxy()
 {
     // Define environment variables for urllib in search engine plugins
     QString proxyStrHTTP, proxyStrSOCK;
-    if (!m_isProxyOnlyForTorrents)
+    if (!isProxyOnlyForTorrents())
     {
         switch (m_config.type)
         {
diff --git a/src/base/net/proxyconfigurationmanager.h b/src/base/net/proxyconfigurationmanager.h
index b882dae5a..7ead67a37 100644
--- a/src/base/net/proxyconfigurationmanager.h
+++ b/src/base/net/proxyconfigurationmanager.h
@@ -30,8 +30,12 @@
 
 #include <QObject>
 
+#include "base/settingvalue.h"
+
 namespace Net
 {
+    Q_NAMESPACE
+
     enum class ProxyType
     {
         None = 0,
@@ -41,6 +45,7 @@ namespace Net
         SOCKS5_PW = 4,
         SOCKS4 = 5
     };
+    Q_ENUM_NS(ProxyType)
 
     struct ProxyConfiguration
     {
@@ -53,7 +58,7 @@ namespace Net
     bool operator==(const ProxyConfiguration &left, const ProxyConfiguration &right);
     bool operator!=(const ProxyConfiguration &left, const ProxyConfiguration &right);
 
-    class ProxyConfigurationManager : public QObject
+    class ProxyConfigurationManager final : public QObject
     {
         Q_OBJECT
         Q_DISABLE_COPY_MOVE(ProxyConfigurationManager)
@@ -81,6 +86,11 @@ namespace Net
 
         static ProxyConfigurationManager *m_instance;
         ProxyConfiguration m_config;
-        bool m_isProxyOnlyForTorrents;
+        SettingValue<bool> m_storeProxyOnlyForTorrents;
+        SettingValue<ProxyType> m_storeProxyType;
+        SettingValue<QString> m_storeProxyIP;
+        SettingValue<ushort> m_storeProxyPort;
+        SettingValue<QString> m_storeProxyUsername;
+        SettingValue<QString> m_storeProxyPassword;
     };
 }
diff --git a/src/base/rss/rss_autodownloader.cpp b/src/base/rss/rss_autodownloader.cpp
index 5497d06dd..84b673801 100644
--- a/src/base/rss/rss_autodownloader.cpp
+++ b/src/base/rss/rss_autodownloader.cpp
@@ -45,7 +45,6 @@
 #include "../global.h"
 #include "../logger.h"
 #include "../profile.h"
-#include "../settingsstorage.h"
 #include "../utils/fs.h"
 #include "rss_article.h"
 #include "rss_autodownloadrule.h"
@@ -62,10 +61,6 @@ struct ProcessingJob
 const QString ConfFolderName(QStringLiteral("rss"));
 const QString RulesFileName(QStringLiteral("download_rules.json"));
 
-const QString SettingsKey_ProcessingEnabled(QStringLiteral("RSS/AutoDownloader/EnableProcessing"));
-const QString SettingsKey_SmartEpisodeFilter(QStringLiteral("RSS/AutoDownloader/SmartEpisodeFilter"));
-const QString SettingsKey_DownloadRepacks(QStringLiteral("RSS/AutoDownloader/DownloadRepacks"));
-
 namespace
 {
     QVector<RSS::AutoDownloadRule> rulesFromJSON(const QByteArray &jsonData)
@@ -103,7 +98,9 @@ QString computeSmartFilterRegex(const QStringList &filters)
 }
 
 AutoDownloader::AutoDownloader()
-    : m_processingEnabled(SettingsStorage::instance()->loadValue(SettingsKey_ProcessingEnabled, false))
+    : m_storeProcessingEnabled("RSS/AutoDownloader/EnableProcessing", false)
+    , m_storeSmartEpisodeFilter("RSS/AutoDownloader/SmartEpisodeFilter")
+    , m_storeDownloadRepacks("RSS/AutoDownloader/DownloadRepacks")
     , m_processingTimer(new QTimer(this))
     , m_ioThread(new QThread(this))
 {
@@ -142,7 +139,7 @@ AutoDownloader::AutoDownloader()
     m_processingTimer->setSingleShot(true);
     connect(m_processingTimer, &QTimer::timeout, this, &AutoDownloader::process);
 
-    if (m_processingEnabled)
+    if (isProcessingEnabled())
         startProcessing();
 }
 
@@ -288,22 +285,19 @@ void AutoDownloader::importRulesFromLegacyFormat(const QByteArray &data)
 
 QStringList AutoDownloader::smartEpisodeFilters() const
 {
-    const auto filtersSetting = SettingsStorage::instance()->loadValue<QVariant>(SettingsKey_SmartEpisodeFilter);
-
-    if (filtersSetting.isNull())
+    const QVariant filter = m_storeSmartEpisodeFilter.get();
+    if (filter.isNull())
     {
-        QStringList filters =
+        const QStringList defaultFilters =
         {
             "s(\\d+)e(\\d+)",                       // Format 1: s01e01
             "(\\d+)x(\\d+)",                        // Format 2: 01x01
             "(\\d{4}[.\\-]\\d{1,2}[.\\-]\\d{1,2})", // Format 3: 2017.01.01
             "(\\d{1,2}[.\\-]\\d{1,2}[.\\-]\\d{4})"  // Format 4: 01.01.2017
         };
-
-        return filters;
+        return defaultFilters;
     }
-
-    return filtersSetting.toStringList();
+    return filter.toStringList();
 }
 
 QRegularExpression AutoDownloader::smartEpisodeRegex() const
@@ -313,7 +307,7 @@ QRegularExpression AutoDownloader::smartEpisodeRegex() const
 
 void AutoDownloader::setSmartEpisodeFilters(const QStringList &filters)
 {
-    SettingsStorage::instance()->storeValue(SettingsKey_SmartEpisodeFilter, filters);
+    m_storeSmartEpisodeFilter = filters;
 
     const QString regex = computeSmartFilterRegex(filters);
     m_smartEpisodeRegex.setPattern(regex);
@@ -321,12 +315,12 @@ void AutoDownloader::setSmartEpisodeFilters(const QStringList &filters)
 
 bool AutoDownloader::downloadRepacks() const
 {
-    return SettingsStorage::instance()->loadValue(SettingsKey_DownloadRepacks, true);
+    return m_storeDownloadRepacks.get(true);
 }
 
-void AutoDownloader::setDownloadRepacks(const bool downloadRepacks)
+void AutoDownloader::setDownloadRepacks(const bool enabled)
 {
-    SettingsStorage::instance()->storeValue(SettingsKey_DownloadRepacks, downloadRepacks);
+    m_storeDownloadRepacks = enabled;
 }
 
 void AutoDownloader::process()
@@ -480,13 +474,13 @@ void AutoDownloader::storeDeferred()
 
 bool AutoDownloader::isProcessingEnabled() const
 {
-    return m_processingEnabled;
+    return m_storeProcessingEnabled;
 }
 
 void AutoDownloader::resetProcessingQueue()
 {
     m_processingQueue.clear();
-    if (!m_processingEnabled) return;
+    if (!isProcessingEnabled()) return;
 
     for (Article *article : asConst(Session::instance()->rootFolder()->articles()))
     {
@@ -503,11 +497,10 @@ void AutoDownloader::startProcessing()
 
 void AutoDownloader::setProcessingEnabled(const bool enabled)
 {
-    if (m_processingEnabled != enabled)
+    if (m_storeProcessingEnabled != enabled)
     {
-        m_processingEnabled = enabled;
-        SettingsStorage::instance()->storeValue(SettingsKey_ProcessingEnabled, m_processingEnabled);
-        if (m_processingEnabled)
+        m_storeProcessingEnabled = enabled;
+        if (enabled)
         {
             startProcessing();
         }
@@ -517,7 +510,7 @@ void AutoDownloader::setProcessingEnabled(const bool enabled)
             disconnect(Session::instance()->rootFolder(), &Folder::newArticle, this, &AutoDownloader::handleNewArticle);
         }
 
-        emit processingStateChanged(m_processingEnabled);
+        emit processingStateChanged(enabled);
     }
 }
 
diff --git a/src/base/rss/rss_autodownloader.h b/src/base/rss/rss_autodownloader.h
index f5923423e..9813087d6 100644
--- a/src/base/rss/rss_autodownloader.h
+++ b/src/base/rss/rss_autodownloader.h
@@ -37,6 +37,7 @@
 #include <QSharedPointer>
 
 #include "base/exceptions.h"
+#include "base/settingvalue.h"
 
 class QThread;
 class QTimer;
@@ -86,7 +87,7 @@ namespace RSS
         QRegularExpression smartEpisodeRegex() const;
 
         bool downloadRepacks() const;
-        void setDownloadRepacks(bool downloadRepacks);
+        void setDownloadRepacks(bool enabled);
 
         bool hasRule(const QString &ruleName) const;
         AutoDownloadRule ruleByName(const QString &ruleName) const;
@@ -131,7 +132,10 @@ namespace RSS
 
         static QPointer<AutoDownloader> m_instance;
 
-        bool m_processingEnabled;
+        CachedSettingValue<bool> m_storeProcessingEnabled;
+        SettingValue<QVariant> m_storeSmartEpisodeFilter;
+        SettingValue<bool> m_storeDownloadRepacks;
+
         QTimer *m_processingTimer;
         QThread *m_ioThread;
         AsyncFileStorage *m_fileStorage;
diff --git a/src/base/rss/rss_session.cpp b/src/base/rss/rss_session.cpp
index e48d8d4ed..09fb0f1b5 100644
--- a/src/base/rss/rss_session.cpp
+++ b/src/base/rss/rss_session.cpp
@@ -53,19 +53,15 @@ const QString ConfFolderName(QStringLiteral("rss"));
 const QString DataFolderName(QStringLiteral("rss/articles"));
 const QString FeedsFileName(QStringLiteral("feeds.json"));
 
-const QString SettingsKey_ProcessingEnabled(QStringLiteral("RSS/Session/EnableProcessing"));
-const QString SettingsKey_RefreshInterval(QStringLiteral("RSS/Session/RefreshInterval"));
-const QString SettingsKey_MaxArticlesPerFeed(QStringLiteral("RSS/Session/MaxArticlesPerFeed"));
-
 using namespace RSS;
 
 QPointer<Session> Session::m_instance = nullptr;
 
 Session::Session()
-    : m_processingEnabled(SettingsStorage::instance()->loadValue(SettingsKey_ProcessingEnabled, false))
+    : m_storeProcessingEnabled("RSS/Session/EnableProcessing")
+    , m_storeRefreshInterval("RSS/Session/RefreshInterval", 30)
+    , m_storeMaxArticlesPerFeed("RSS/Session/MaxArticlesPerFeed", 50)
     , m_workingThread(new QThread(this))
-    , m_refreshInterval(SettingsStorage::instance()->loadValue(SettingsKey_RefreshInterval, 30))
-    , m_maxArticlesPerFeed(SettingsStorage::instance()->loadValue(SettingsKey_MaxArticlesPerFeed, 50))
 {
     Q_ASSERT(!m_instance); // only one instance is allowed
     m_instance = this;
@@ -96,9 +92,9 @@ Session::Session()
     load();
 
     connect(&m_refreshTimer, &QTimer::timeout, this, &Session::refresh);
-    if (m_processingEnabled)
+    if (isProcessingEnabled())
     {
-        m_refreshTimer.start(m_refreshInterval * MsecsPerMin);
+        m_refreshTimer.start(refreshInterval() * MsecsPerMin);
         refresh();
     }
 
@@ -166,7 +162,7 @@ nonstd::expected<void, QString> Session::addFeed(const QString &url, const QStri
     const auto destFolder = result.value();
     addItem(new Feed(generateUID(), url, path, this), destFolder);
     store();
-    if (m_processingEnabled)
+    if (isProcessingEnabled())
         feedByURL(url)->refresh();
 
     return {};
@@ -429,18 +425,17 @@ void Session::addItem(Item *item, Folder *destFolder)
 
 bool Session::isProcessingEnabled() const
 {
-    return m_processingEnabled;
+    return m_storeProcessingEnabled;
 }
 
-void Session::setProcessingEnabled(bool enabled)
+void Session::setProcessingEnabled(const bool enabled)
 {
-    if (m_processingEnabled != enabled)
+    if (m_storeProcessingEnabled != enabled)
     {
-        m_processingEnabled = enabled;
-        SettingsStorage::instance()->storeValue(SettingsKey_ProcessingEnabled, m_processingEnabled);
-        if (m_processingEnabled)
+        m_storeProcessingEnabled = enabled;
+        if (enabled)
         {
-            m_refreshTimer.start(m_refreshInterval * MsecsPerMin);
+            m_refreshTimer.start(refreshInterval() * MsecsPerMin);
             refresh();
         }
         else
@@ -448,7 +443,7 @@ void Session::setProcessingEnabled(bool enabled)
             m_refreshTimer.stop();
         }
 
-        emit processingStateChanged(m_processingEnabled);
+        emit processingStateChanged(enabled);
     }
 }
 
@@ -479,16 +474,15 @@ Feed *Session::feedByURL(const QString &url) const
 
 int Session::refreshInterval() const
 {
-    return m_refreshInterval;
+    return m_storeRefreshInterval;
 }
 
 void Session::setRefreshInterval(const int refreshInterval)
 {
-    if (m_refreshInterval != refreshInterval)
+    if (m_storeRefreshInterval != refreshInterval)
     {
-        SettingsStorage::instance()->storeValue(SettingsKey_RefreshInterval, refreshInterval);
-        m_refreshInterval = refreshInterval;
-        m_refreshTimer.start(m_refreshInterval * MsecsPerMin);
+        m_storeRefreshInterval = refreshInterval;
+        m_refreshTimer.start(m_storeRefreshInterval * MsecsPerMin);
     }
 }
 
@@ -527,15 +521,14 @@ QUuid Session::generateUID() const
 
 int Session::maxArticlesPerFeed() const
 {
-    return m_maxArticlesPerFeed;
+    return m_storeMaxArticlesPerFeed;
 }
 
 void Session::setMaxArticlesPerFeed(const int n)
 {
-    if (m_maxArticlesPerFeed != n)
+    if (m_storeMaxArticlesPerFeed != n)
     {
-        m_maxArticlesPerFeed = n;
-        SettingsStorage::instance()->storeValue(SettingsKey_MaxArticlesPerFeed, n);
+        m_storeMaxArticlesPerFeed = n;
         emit maxArticlesPerFeedChanged(n);
     }
 }
diff --git a/src/base/rss/rss_session.h b/src/base/rss/rss_session.h
index a3d12d589..b69001206 100644
--- a/src/base/rss/rss_session.h
+++ b/src/base/rss/rss_session.h
@@ -74,6 +74,7 @@
 #include <QTimer>
 
 #include "base/3rdparty/expected.hpp"
+#include "base/settingvalue.h"
 
 class QThread;
 
@@ -154,13 +155,13 @@ namespace RSS
 
         static QPointer<Session> m_instance;
 
-        bool m_processingEnabled;
+        CachedSettingValue<bool> m_storeProcessingEnabled;
+        CachedSettingValue<int> m_storeRefreshInterval;
+        CachedSettingValue<int> m_storeMaxArticlesPerFeed;
         QThread *m_workingThread;
         AsyncFileStorage *m_confFileStorage;
         AsyncFileStorage *m_dataFileStorage;
         QTimer m_refreshTimer;
-        int m_refreshInterval;
-        int m_maxArticlesPerFeed;
         QHash<QString, Item *> m_itemsByPath;
         QHash<QUuid, Feed *> m_feedsByUID;
         QHash<QString, Feed *> m_feedsByURL;
diff --git a/src/base/settingsstorage.h b/src/base/settingsstorage.h
index 3ad9db493..500398a2a 100644
--- a/src/base/settingsstorage.h
+++ b/src/base/settingsstorage.h
@@ -38,6 +38,12 @@
 
 #include "utils/string.h"
 
+template <typename T>
+struct IsQFlags : std::false_type {};
+
+template <typename T>
+struct IsQFlags<QFlags<T>> : std::true_type {};
+
 class SettingsStorage : public QObject
 {
     Q_OBJECT
@@ -61,6 +67,11 @@ public:
         {
             return loadValueImpl(key, defaultValue);
         }
+        else if constexpr (IsQFlags<T>::value)
+        {
+            const QVariant value = loadValueImpl(key, static_cast<typename T::Int>(defaultValue));
+            return T {value.template value<typename T::Int>()};
+        }
         else
         {
             const QVariant value = loadValueImpl(key);
@@ -74,6 +85,8 @@ public:
     {
         if constexpr (std::is_enum_v<T>)
             storeValueImpl(key, Utils::String::fromEnum(value));
+        else if constexpr (IsQFlags<T>::value)
+            storeValueImpl(key, static_cast<typename T::Int>(value));
         else
             storeValueImpl(key, value);
     }
diff --git a/src/gui/addnewtorrentdialog.cpp b/src/gui/addnewtorrentdialog.cpp
index 2e3dc01e5..1027a3ae4 100644
--- a/src/gui/addnewtorrentdialog.cpp
+++ b/src/gui/addnewtorrentdialog.cpp
@@ -63,12 +63,9 @@ namespace
 {
 #define SETTINGS_KEY(name) "AddNewTorrentDialog/" name
     const QString KEY_ENABLED = QStringLiteral(SETTINGS_KEY("Enabled"));
-    const QString KEY_DEFAULTCATEGORY = QStringLiteral(SETTINGS_KEY("DefaultCategory"));
-    const QString KEY_TREEHEADERSTATE = QStringLiteral(SETTINGS_KEY("TreeHeaderState"));
     const QString KEY_TOPLEVEL = QStringLiteral(SETTINGS_KEY("TopLevel"));
     const QString KEY_SAVEPATHHISTORY = QStringLiteral(SETTINGS_KEY("SavePathHistory"));
     const QString KEY_SAVEPATHHISTORYLENGTH = QStringLiteral(SETTINGS_KEY("SavePathHistoryLength"));
-    const QString KEY_REMEMBERLASTSAVEPATH = QStringLiteral(SETTINGS_KEY("RememberLastSavePath"));
 
     // just a shortcut
     inline SettingsStorage *settings()
@@ -83,13 +80,12 @@ const int AddNewTorrentDialog::maxPathHistoryLength;
 AddNewTorrentDialog::AddNewTorrentDialog(const BitTorrent::AddTorrentParams &inParams, QWidget *parent)
     : QDialog(parent)
     , m_ui(new Ui::AddNewTorrentDialog)
-    , m_contentModel(nullptr)
-    , m_contentDelegate(nullptr)
-    , m_hasMetadata(false)
-    , m_oldIndex(0)
     , m_torrentParams(inParams)
     , m_storeDialogSize(SETTINGS_KEY("DialogSize"))
     , m_storeSplitterState(SETTINGS_KEY("SplitterState"))
+    , m_storeDefaultCategory(SETTINGS_KEY("DefaultCategory"))
+    , m_storeRememberLastSavePath(SETTINGS_KEY("RememberLastSavePath"))
+    , m_storeTreeHeaderState(SETTINGS_KEY("TreeHeaderState"))
 {
     // TODO: set dialog file properties using m_torrentParams.filePriorities
     m_ui->setupUi(this);
@@ -114,8 +110,7 @@ AddNewTorrentDialog::AddNewTorrentDialog(const BitTorrent::AddTorrentParams &inP
     populateSavePathComboBox();
     connect(m_ui->savePath, &FileSystemPathEdit::selectedPathChanged, this, &AddNewTorrentDialog::onSavePathChanged);
 
-    const bool rememberLastSavePath = settings()->loadValue(KEY_REMEMBERLASTSAVEPATH, false);
-    m_ui->checkBoxRememberLastSavePath->setChecked(rememberLastSavePath);
+    m_ui->checkBoxRememberLastSavePath->setChecked(m_storeRememberLastSavePath);
 
     m_ui->contentLayoutComboBox->setCurrentIndex(
                 static_cast<int>(m_torrentParams.contentLayout.value_or(session->torrentContentLayout())));
@@ -129,7 +124,7 @@ AddNewTorrentDialog::AddNewTorrentDialog(const BitTorrent::AddTorrentParams &inP
     // Load categories
     QStringList categories = session->categories().keys();
     std::sort(categories.begin(), categories.end(), Utils::Compare::NaturalLessThan<Qt::CaseInsensitive>());
-    auto defaultCategory = settings()->loadValue<QString>(KEY_DEFAULTCATEGORY);
+    const QString defaultCategory = m_storeDefaultCategory;
 
     if (!m_torrentParams.category.isEmpty())
         m_ui->categoryComboBox->addItem(m_torrentParams.category);
@@ -164,22 +159,22 @@ AddNewTorrentDialog::~AddNewTorrentDialog()
 
 bool AddNewTorrentDialog::isEnabled()
 {
-    return SettingsStorage::instance()->loadValue(KEY_ENABLED, true);
+    return settings()->loadValue(KEY_ENABLED, true);
 }
 
-void AddNewTorrentDialog::setEnabled(bool value)
+void AddNewTorrentDialog::setEnabled(const bool value)
 {
-    SettingsStorage::instance()->storeValue(KEY_ENABLED, value);
+    settings()->storeValue(KEY_ENABLED, value);
 }
 
 bool AddNewTorrentDialog::isTopLevel()
 {
-    return SettingsStorage::instance()->loadValue(KEY_TOPLEVEL, true);
+    return settings()->loadValue(KEY_TOPLEVEL, true);
 }
 
-void AddNewTorrentDialog::setTopLevel(bool value)
+void AddNewTorrentDialog::setTopLevel(const bool value)
 {
-    SettingsStorage::instance()->storeValue(KEY_TOPLEVEL, value);
+    settings()->storeValue(KEY_TOPLEVEL, value);
 }
 
 int AddNewTorrentDialog::savePathHistoryLength()
@@ -189,7 +184,7 @@ int AddNewTorrentDialog::savePathHistoryLength()
     return qBound(minPathHistoryLength, value, maxPathHistoryLength);
 }
 
-void AddNewTorrentDialog::setSavePathHistoryLength(int value)
+void AddNewTorrentDialog::setSavePathHistoryLength(const int value)
 {
     const int clampedValue = qBound(minPathHistoryLength, value, maxPathHistoryLength);
     const int oldValue = savePathHistoryLength();
@@ -204,8 +199,7 @@ void AddNewTorrentDialog::setSavePathHistoryLength(int value)
 void AddNewTorrentDialog::loadState()
 {
     Utils::Gui::resize(this, m_storeDialogSize);
-    m_ui->splitter->restoreState(m_storeSplitterState);
-    m_headerState = settings()->loadValue<QByteArray>(KEY_TREEHEADERSTATE);
+    m_ui->splitter->restoreState(m_storeSplitterState);;
 }
 
 void AddNewTorrentDialog::saveState()
@@ -213,7 +207,7 @@ void AddNewTorrentDialog::saveState()
     m_storeDialogSize = size();
     m_storeSplitterState = m_ui->splitter->saveState();
     if (m_contentModel)
-        settings()->storeValue(KEY_TREEHEADERSTATE, m_ui->contentTreeView->header()->saveState());
+        m_storeTreeHeaderState = m_ui->contentTreeView->header()->saveState();
 }
 
 void AddNewTorrentDialog::show(const QString &source, const BitTorrent::AddTorrentParams &inParams, QWidget *parent)
@@ -489,12 +483,11 @@ void AddNewTorrentDialog::populateSavePathComboBox()
     for (const QString &savePath : savePathHistory)
         m_ui->savePath->addItem(savePath);
 
-    const bool rememberLastSavePath {settings()->loadValue(KEY_REMEMBERLASTSAVEPATH, false)};
     const QString defSavePath {BitTorrent::Session::instance()->defaultSavePath()};
 
     if (!m_torrentParams.savePath.isEmpty())
         setSavePath(m_torrentParams.savePath);
-    else if (!rememberLastSavePath)
+    else if (!m_storeRememberLastSavePath)
         setSavePath(defSavePath);
     // else last used save path will be selected since it is the first in the list
 }
@@ -607,9 +600,9 @@ void AddNewTorrentDialog::accept()
     // Category
     m_torrentParams.category = m_ui->categoryComboBox->currentText();
     if (m_ui->defaultCategoryCheckbox->isChecked())
-        settings()->storeValue(KEY_DEFAULTCATEGORY, m_torrentParams.category);
+        m_storeDefaultCategory = m_torrentParams.category;
 
-    settings()->storeValue(KEY_REMEMBERLASTSAVEPATH, m_ui->checkBoxRememberLastSavePath->isChecked());
+    m_storeRememberLastSavePath = m_ui->checkBoxRememberLastSavePath->isChecked();
 
     // Save file priorities
     if (m_contentModel)
@@ -722,8 +715,8 @@ void AddNewTorrentDialog::setupTreeview()
 
         // List files in torrent
         m_contentModel->model()->setupModelData(m_torrentInfo);
-        if (!m_headerState.isEmpty())
-            m_ui->contentTreeView->header()->restoreState(m_headerState);
+        if (!m_storeTreeHeaderState.get().isEmpty())
+            m_ui->contentTreeView->header()->restoreState(m_storeTreeHeaderState);
 
         // Hide useless columns after loading the header state
         m_ui->contentTreeView->hideColumn(PROGRESS);
diff --git a/src/gui/addnewtorrentdialog.h b/src/gui/addnewtorrentdialog.h
index 961cea969..b36241c36 100644
--- a/src/gui/addnewtorrentdialog.h
+++ b/src/gui/addnewtorrentdialog.h
@@ -108,16 +108,18 @@ private:
     void showEvent(QShowEvent *event) override;
 
     Ui::AddNewTorrentDialog *m_ui;
-    TorrentContentFilterModel *m_contentModel;
-    PropListDelegate *m_contentDelegate;
-    bool m_hasMetadata;
+    TorrentContentFilterModel *m_contentModel = nullptr;
+    PropListDelegate *m_contentDelegate = nullptr;
+    bool m_hasMetadata = false;
     BitTorrent::MagnetUri m_magnetURI;
     BitTorrent::TorrentInfo m_torrentInfo;
-    QByteArray m_headerState;
-    int m_oldIndex;
+    int m_oldIndex = 0;
     std::unique_ptr<TorrentFileGuard> m_torrentGuard;
     BitTorrent::AddTorrentParams m_torrentParams;
 
     SettingValue<QSize> m_storeDialogSize;
     SettingValue<QByteArray> m_storeSplitterState;
+    SettingValue<QString> m_storeDefaultCategory;
+    SettingValue<bool> m_storeRememberLastSavePath;
+    CachedSettingValue<QByteArray> m_storeTreeHeaderState;
 };
diff --git a/src/gui/mainwindow.cpp b/src/gui/mainwindow.cpp
index 51d380aa4..cbfd77797 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -56,12 +56,10 @@
 #include "base/bittorrent/session.h"
 #include "base/bittorrent/sessionstatus.h"
 #include "base/global.h"
-#include "base/logger.h"
 #include "base/net/downloadmanager.h"
 #include "base/preferences.h"
 #include "base/rss/rss_folder.h"
 #include "base/rss/rss_session.h"
-#include "base/settingsstorage.h"
 #include "base/utils/foreignapps.h"
 #include "base/utils/fs.h"
 #include "base/utils/misc.h"
@@ -105,34 +103,14 @@ using namespace std::chrono_literals;
 namespace
 {
 #define SETTINGS_KEY(name) "GUI/" name
-
-    // ExecutionLog properties keys
-#define EXECUTIONLOG_SETTINGS_KEY(name) QStringLiteral(SETTINGS_KEY("Log/") name)
-    const QString KEY_EXECUTIONLOG_ENABLED = EXECUTIONLOG_SETTINGS_KEY("Enabled");
-    const QString KEY_EXECUTIONLOG_TYPES = EXECUTIONLOG_SETTINGS_KEY("Types");
-
-    // Notifications properties keys
-#define NOTIFICATIONS_SETTINGS_KEY(name) QStringLiteral(SETTINGS_KEY("Notifications/") name)
-    const QString KEY_NOTIFICATIONS_ENABLED = NOTIFICATIONS_SETTINGS_KEY("Enabled");
-    const QString KEY_NOTIFICATIONS_TORRENTADDED = NOTIFICATIONS_SETTINGS_KEY("TorrentAdded");
-#if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS)) && defined(QT_DBUS_LIB)
-    const QString KEY_NOTIFICATION_TIMEOUT = NOTIFICATIONS_SETTINGS_KEY("Timeout");
-#endif
-
-    // Misc
-    const QString KEY_DOWNLOAD_TRACKER_FAVICON = QStringLiteral(SETTINGS_KEY("DownloadTrackerFavicon"));
+#define EXECUTIONLOG_SETTINGS_KEY(name) (SETTINGS_KEY("Log/") name)
+#define NOTIFICATIONS_SETTINGS_KEY(name) (SETTINGS_KEY("Notifications/") name)
 
     const std::chrono::seconds PREVENT_SUSPEND_INTERVAL {60};
 #if !defined(Q_OS_MACOS)
     const int TIME_TRAY_BALLOON = 5000;
 #endif
 
-    // just a shortcut
-    inline SettingsStorage *settings()
-    {
-        return SettingsStorage::instance();
-    }
-
     bool isTorrentLink(const QString &str)
     {
         return str.startsWith(QLatin1String("magnet:"), Qt::CaseInsensitive)
@@ -145,10 +123,14 @@ namespace
 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
     , m_ui(new Ui::MainWindow)
-    , m_posInitialized(false)
-    , m_forceExit(false)
-    , m_unlockDlgShowing(false)
-    , m_hasPython(false)
+    , m_storeExecutionLogEnabled(EXECUTIONLOG_SETTINGS_KEY("Enabled"))
+    , m_storeDownloadTrackerFavicon(SETTINGS_KEY("DownloadTrackerFavicon"))
+    , m_storeNotificationEnabled(NOTIFICATIONS_SETTINGS_KEY("Enabled"))
+    , m_storeNotificationTorrentAdded(NOTIFICATIONS_SETTINGS_KEY("TorrentAdded"))
+    , m_storeExecutionLogTypes(EXECUTIONLOG_SETTINGS_KEY("Types"), Log::MsgType::ALL)
+#if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS)) && defined(QT_DBUS_LIB)
+    , m_storeNotificationTimeOut(NOTIFICATIONS_SETTINGS_KEY("Timeout"))
+#endif
 {
     m_ui->setupUi(this);
 
@@ -358,11 +340,11 @@ MainWindow::MainWindow(QWidget *parent)
     m_ui->actionSearchWidget->setChecked(pref->isSearchEnabled());
     m_ui->actionExecutionLogs->setChecked(isExecutionLogEnabled());
 
-    Log::MsgTypes flags(executionLogMsgTypes());
-    m_ui->actionNormalMessages->setChecked(flags & Log::NORMAL);
-    m_ui->actionInformationMessages->setChecked(flags & Log::INFO);
-    m_ui->actionWarningMessages->setChecked(flags & Log::WARNING);
-    m_ui->actionCriticalMessages->setChecked(flags & Log::CRITICAL);
+    const Log::MsgTypes flags = executionLogMsgTypes();
+    m_ui->actionNormalMessages->setChecked(flags.testFlag(Log::NORMAL));
+    m_ui->actionInformationMessages->setChecked(flags.testFlag(Log::INFO));
+    m_ui->actionWarningMessages->setChecked(flags.testFlag(Log::WARNING));
+    m_ui->actionCriticalMessages->setChecked(flags.testFlag(Log::CRITICAL));
 
     displayRSSTab(m_ui->actionRSSReader->isChecked());
     on_actionExecutionLogs_triggered(m_ui->actionExecutionLogs->isChecked());
@@ -485,68 +467,66 @@ MainWindow::~MainWindow()
 
 bool MainWindow::isExecutionLogEnabled() const
 {
-    return settings()->loadValue(KEY_EXECUTIONLOG_ENABLED, false);
+    return m_storeExecutionLogEnabled;
 }
 
-void MainWindow::setExecutionLogEnabled(bool value)
+void MainWindow::setExecutionLogEnabled(const bool value)
 {
-    settings()->storeValue(KEY_EXECUTIONLOG_ENABLED, value);
+    m_storeExecutionLogEnabled = value;
 }
 
-int MainWindow::executionLogMsgTypes() const
+Log::MsgTypes MainWindow::executionLogMsgTypes() const
 {
-    // as default value we need all the bits set
-    // -1 is considered the portable way to achieve that
-    return settings()->loadValue(KEY_EXECUTIONLOG_TYPES, -1);
+    return m_storeExecutionLogTypes;
 }
 
-void MainWindow::setExecutionLogMsgTypes(const int value)
+void MainWindow::setExecutionLogMsgTypes(const Log::MsgTypes value)
 {
-    m_executionLog->setMessageTypes(static_cast<Log::MsgTypes>(value));
-    settings()->storeValue(KEY_EXECUTIONLOG_TYPES, value);
+    m_executionLog->setMessageTypes(value);
+    m_storeExecutionLogTypes = value;
 }
 
 bool MainWindow::isNotificationsEnabled() const
 {
-    return settings()->loadValue(KEY_NOTIFICATIONS_ENABLED, true);
+    return m_storeNotificationEnabled.get(true);
 }
 
 void MainWindow::setNotificationsEnabled(bool value)
 {
-    settings()->storeValue(KEY_NOTIFICATIONS_ENABLED, value);
+    m_storeNotificationEnabled = value;
 }
 
 bool MainWindow::isTorrentAddedNotificationsEnabled() const
 {
-    return settings()->loadValue(KEY_NOTIFICATIONS_TORRENTADDED, false);
+    return m_storeNotificationTorrentAdded;
 }
 
-void MainWindow::setTorrentAddedNotificationsEnabled(bool value)
+void MainWindow::setTorrentAddedNotificationsEnabled(const bool value)
 {
-    settings()->storeValue(KEY_NOTIFICATIONS_TORRENTADDED, value);
+    m_storeNotificationTorrentAdded = value;
 }
 
 #if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS)) && defined(QT_DBUS_LIB)
 int MainWindow::getNotificationTimeout() const
 {
-    return settings()->loadValue(KEY_NOTIFICATION_TIMEOUT, -1);
+    return m_storeNotificationTimeOut.get(-1);
 }
 
 void MainWindow::setNotificationTimeout(const int value)
 {
-    settings()->storeValue(KEY_NOTIFICATION_TIMEOUT, value);
+    m_storeNotificationTimeOut = value;
 }
 #endif
 
 bool MainWindow::isDownloadTrackerFavicon() const
 {
-    return settings()->loadValue(KEY_DOWNLOAD_TRACKER_FAVICON, false);
+    return m_storeDownloadTrackerFavicon;
 }
 
-void MainWindow::setDownloadTrackerFavicon(bool value)
+void MainWindow::setDownloadTrackerFavicon(const bool value)
 {
     m_transferListFiltersWidget->setDownloadTrackerFavicon(value);
-    settings()->storeValue(KEY_DOWNLOAD_TRACKER_FAVICON, value);
+    m_storeDownloadTrackerFavicon = value;
 }
 
 void MainWindow::addToolbarContextMenu()
@@ -2005,7 +1985,7 @@ void MainWindow::on_actionExecutionLogs_triggered(bool checked)
     if (checked)
     {
         Q_ASSERT(!m_executionLog);
-        m_executionLog = new ExecutionLogWidget(static_cast<Log::MsgType>(executionLogMsgTypes()), m_tabs);
+        m_executionLog = new ExecutionLogWidget(executionLogMsgTypes(), m_tabs);
 #ifdef Q_OS_MACOS
         m_tabs->addTab(m_executionLog, tr("Execution Log"));
 #else
@@ -2025,43 +2005,39 @@ void MainWindow::on_actionExecutionLogs_triggered(bool checked)
     setExecutionLogEnabled(checked);
 }
 
-void MainWindow::on_actionNormalMessages_triggered(bool checked)
+void MainWindow::on_actionNormalMessages_triggered(const bool checked)
 {
     if (!m_executionLog)
         return;
 
-    Log::MsgTypes flags(executionLogMsgTypes());
-    checked ? (flags |= Log::NORMAL) : (flags &= ~Log::NORMAL);
+    const Log::MsgTypes flags = executionLogMsgTypes().setFlag(Log::NORMAL, checked);
     setExecutionLogMsgTypes(flags);
 }
 
-void MainWindow::on_actionInformationMessages_triggered(bool checked)
+void MainWindow::on_actionInformationMessages_triggered(const bool checked)
 {
     if (!m_executionLog)
         return;
 
-    Log::MsgTypes flags(executionLogMsgTypes());
-    checked ? (flags |= Log::INFO) : (flags &= ~Log::INFO);
+    const Log::MsgTypes flags = executionLogMsgTypes().setFlag(Log::INFO, checked);
     setExecutionLogMsgTypes(flags);
 }
 
-void MainWindow::on_actionWarningMessages_triggered(bool checked)
+void MainWindow::on_actionWarningMessages_triggered(const bool checked)
 {
     if (!m_executionLog)
         return;
 
-    Log::MsgTypes flags(executionLogMsgTypes());
-    checked ? (flags |= Log::WARNING) : (flags &= ~Log::WARNING);
+    const Log::MsgTypes flags = executionLogMsgTypes().setFlag(Log::WARNING, checked);
     setExecutionLogMsgTypes(flags);
 }
 
-void MainWindow::on_actionCriticalMessages_triggered(bool checked)
+void MainWindow::on_actionCriticalMessages_triggered(const bool checked)
 {
     if (!m_executionLog)
         return;
 
-    Log::MsgTypes flags(executionLogMsgTypes());
-    checked ? (flags |= Log::CRITICAL) : (flags &= ~Log::CRITICAL);
+    const Log::MsgTypes flags = executionLogMsgTypes().setFlag(Log::CRITICAL, checked);
     setExecutionLogMsgTypes(flags);
 }
 
diff --git a/src/gui/mainwindow.h b/src/gui/mainwindow.h
index b0a962ccf..4e75fa561 100644
--- a/src/gui/mainwindow.h
+++ b/src/gui/mainwindow.h
@@ -36,6 +36,8 @@
 #endif
 
 #include "base/bittorrent/torrent.h"
+#include "base/logger.h"
+#include "base/settingvalue.h"
 
 class QCloseEvent;
 class QFileSystemWatcher;
@@ -85,8 +87,8 @@ public:
     // ExecutionLog properties
     bool isExecutionLogEnabled() const;
     void setExecutionLogEnabled(bool value);
-    int executionLogMsgTypes() const;
-    void setExecutionLogMsgTypes(int value);
+    Log::MsgTypes executionLogMsgTypes() const;
+    void setExecutionLogMsgTypes(Log::MsgTypes value);
 
     // Notifications properties
     bool isNotificationsEnabled() const;
@@ -217,7 +219,7 @@ private:
 
     QFileSystemWatcher *m_executableWatcher;
     // GUI related
-    bool m_posInitialized;
+    bool m_posInitialized = false;
     QPointer<QTabWidget> m_tabs;
     QPointer<StatusBar> m_statusBar;
     QPointer<OptionsDialog> m_options;
@@ -234,9 +236,9 @@ private:
     TransferListFiltersWidget *m_transferListFiltersWidget;
     PropertiesWidget *m_propertiesWidget;
     bool m_displaySpeedInTitle;
-    bool m_forceExit;
+    bool m_forceExit = false;
     bool m_uiLocked;
-    bool m_unlockDlgShowing;
+    bool m_unlockDlgShowing = false;
     LineEdit *m_searchFilter;
     QAction *m_searchFilterAction;
     // Widgets
@@ -249,9 +251,19 @@ private:
     // Power Management
     PowerManagement *m_pwr;
     QTimer *m_preventTimer;
-    bool m_hasPython;
+    bool m_hasPython = false;
     QMenu *m_toolbarMenu;
 
+    SettingValue<bool> m_storeExecutionLogEnabled;
+    SettingValue<bool> m_storeDownloadTrackerFavicon;
+    SettingValue<bool> m_storeNotificationEnabled;
+    SettingValue<bool> m_storeNotificationTorrentAdded;
+    CachedSettingValue<Log::MsgTypes> m_storeExecutionLogTypes;
+
+#if (defined(Q_OS_UNIX) && !defined(Q_OS_MACOS)) && defined(QT_DBUS_LIB)
+    SettingValue<int> m_storeNotificationTimeOut;
+#endif
+
 #if defined(Q_OS_WIN) || defined(Q_OS_MACOS)
     void checkProgramUpdate(bool invokedByUser);
     void handleUpdateCheckFinished(ProgramUpdater *updater, bool invokedByUser);
diff --git a/src/gui/watchedfolderoptionsdialog.cpp b/src/gui/watchedfolderoptionsdialog.cpp
index ed4b85165..517faf158 100644
--- a/src/gui/watchedfolderoptionsdialog.cpp
+++ b/src/gui/watchedfolderoptionsdialog.cpp
@@ -33,7 +33,6 @@
 
 #include "base/bittorrent/session.h"
 #include "base/global.h"
-#include "base/settingsstorage.h"
 #include "base/utils/fs.h"
 #include "ui_watchedfolderoptionsdialog.h"
 #include "utils.h"