diff --git a/src/browser/BrowserService.cpp b/src/browser/BrowserService.cpp
index f1ce19eed..3c06aceb5 100644
--- a/src/browser/BrowserService.cpp
+++ b/src/browser/BrowserService.cpp
@@ -1177,6 +1177,10 @@ bool BrowserService::checkLegacySettings(QSharedPointer<Database> db)
     bool legacySettingsFound = false;
     QList<Entry*> entries = db->rootGroup()->entriesRecursive();
     for (const auto& e : entries) {
+        if (e->isRecycled()) {
+            continue;
+        }
+
         if ((e->attributes()->contains(KEEPASSHTTP_NAME) || e->attributes()->contains(KEEPASSXCBROWSER_NAME))
             || (e->title() == KEEPASSHTTP_NAME || e->title().contains(KEEPASSXCBROWSER_NAME, Qt::CaseInsensitive))) {
             legacySettingsFound = true;
diff --git a/src/browser/BrowserShared.cpp b/src/browser/BrowserShared.cpp
index 08b9fe537..69d0db49f 100644
--- a/src/browser/BrowserShared.cpp
+++ b/src/browser/BrowserShared.cpp
@@ -37,7 +37,7 @@ namespace BrowserShared
                               : path + serverName;
 #elif defined(Q_OS_WIN)
         // Windows uses named pipes
-        return serverName;
+        return serverName + "_" + qgetenv("USERNAME");
 #else // Q_OS_MACOS and others
         return QStandardPaths::writableLocation(QStandardPaths::TempLocation) + serverName;
 #endif
diff --git a/src/core/AsyncTask.h b/src/core/AsyncTask.h
index f74d7c738..b113134d9 100644
--- a/src/core/AsyncTask.h
+++ b/src/core/AsyncTask.h
@@ -58,6 +58,28 @@ namespace AsyncTask
         return waitForFuture<FunctionObject>(QtConcurrent::run(task));
     }
 
+    /**
+     * Run a given task then call the defined callback. Prevents event loop blocking and
+     * ensures the validity of the follow-on task through the context. If the context is
+     * deleted, the callback will not be processed preventing use after free errors.
+     *
+     * @param task std::function object to run
+     * @param context QObject responsible for calling this function
+     * @param callback std::function object to run after the task completess
+     */
+    template <typename FunctionObject, typename FunctionObject2>
+    void runThenCallback(FunctionObject task, QObject* context, FunctionObject2 callback)
+    {
+        typedef QFutureWatcher<typename std::result_of<FunctionObject()>::type> FutureWatcher;
+        auto future = QtConcurrent::run(task);
+        auto watcher = new FutureWatcher(context);
+        QObject::connect(watcher, &QFutureWatcherBase::finished, context, [=]() {
+            watcher->deleteLater();
+            callback(future.result());
+        });
+        watcher->setFuture(future);
+    }
+
 }; // namespace AsyncTask
 
 #endif // KEEPASSXC_ASYNCTASK_HPP
diff --git a/src/core/FileWatcher.cpp b/src/core/FileWatcher.cpp
index 2d37734aa..430e60274 100644
--- a/src/core/FileWatcher.cpp
+++ b/src/core/FileWatcher.cpp
@@ -118,13 +118,16 @@ void FileWatcher::checkFileChanged()
     // Prevent reentrance
     m_ignoreFileChange = true;
 
-    auto checksum = AsyncTask::runAndWaitForFuture([this]() -> QByteArray { return calculateChecksum(); });
-    if (checksum != m_fileChecksum) {
-        m_fileChecksum = checksum;
-        m_fileChangeDelayTimer.start(0);
-    }
+    AsyncTask::runThenCallback([=] { return calculateChecksum(); },
+                               this,
+                               [=](QByteArray checksum) {
+                                   if (checksum != m_fileChecksum) {
+                                       m_fileChecksum = checksum;
+                                       m_fileChangeDelayTimer.start(0);
+                                   }
 
-    m_ignoreFileChange = false;
+                                   m_ignoreFileChange = false;
+                               });
 }
 
 QByteArray FileWatcher::calculateChecksum()
diff --git a/src/gui/FileDialog.cpp b/src/gui/FileDialog.cpp
index df713c44b..406fbe50c 100644
--- a/src/gui/FileDialog.cpp
+++ b/src/gui/FileDialog.cpp
@@ -21,20 +21,6 @@
 
 #include <QDir>
 
-namespace
-{
-    QString modFilter(const QString& filter)
-    {
-#ifdef Q_OS_MACOS
-        // Fix macOS bug that causes the file dialog to freeze when a dot is included in the filters
-        // See https://github.com/keepassxreboot/keepassxc/issues/3895#issuecomment-586724167
-        auto mod = filter;
-        return mod.replace("*.", "*");
-#endif
-        return filter;
-    }
-} // namespace
-
 FileDialog* FileDialog::m_instance(nullptr);
 
 QString FileDialog::getOpenFileName(QWidget* parent,
@@ -51,7 +37,7 @@ QString FileDialog::getOpenFileName(QWidget* parent,
     } else {
         const auto& workingDir = dir.isEmpty() ? config()->get(Config::LastDir).toString() : dir;
         const auto result = QDir::toNativeSeparators(
-            QFileDialog::getOpenFileName(parent, caption, workingDir, modFilter(filter), selectedFilter, options));
+            QFileDialog::getOpenFileName(parent, caption, workingDir, filter, selectedFilter, options));
 
 #ifdef Q_OS_MACOS
         // on Mac OS X the focus is lost after closing the native dialog
@@ -77,8 +63,7 @@ QStringList FileDialog::getOpenFileNames(QWidget* parent,
         return results;
     } else {
         const auto& workingDir = dir.isEmpty() ? config()->get(Config::LastDir).toString() : dir;
-        auto results =
-            QFileDialog::getOpenFileNames(parent, caption, workingDir, modFilter(filter), selectedFilter, options);
+        auto results = QFileDialog::getOpenFileNames(parent, caption, workingDir, filter, selectedFilter, options);
 
         for (auto& path : results) {
             path = QDir::toNativeSeparators(path);
@@ -111,7 +96,7 @@ QString FileDialog::getSaveFileName(QWidget* parent,
     } else {
         const auto& workingDir = dir.isEmpty() ? config()->get(Config::LastDir).toString() : dir;
         const auto result = QDir::toNativeSeparators(
-            QFileDialog::getSaveFileName(parent, caption, workingDir, modFilter(filter), selectedFilter, options));
+            QFileDialog::getSaveFileName(parent, caption, workingDir, filter, selectedFilter, options));
 
 #ifdef Q_OS_MACOS
         // on Mac OS X the focus is lost after closing the native dialog
diff --git a/src/gui/MainWindow.cpp b/src/gui/MainWindow.cpp
index a8d502cb3..bf6c1f1ae 100644
--- a/src/gui/MainWindow.cpp
+++ b/src/gui/MainWindow.cpp
@@ -259,8 +259,15 @@ MainWindow::MainWindow()
     m_ui->actionEntryAutoType->setShortcut(Qt::CTRL + Qt::SHIFT + Qt::Key_V);
     m_ui->actionEntryOpenUrl->setShortcut(Qt::CTRL + Qt::SHIFT + Qt::Key_U);
     m_ui->actionEntryCopyURL->setShortcut(Qt::CTRL + Qt::Key_U);
-    m_ui->actionEntryAddToAgent->setShortcut(Qt::CTRL + Qt::Key_H);
-    m_ui->actionEntryRemoveFromAgent->setShortcut(Qt::CTRL + Qt::SHIFT + Qt::Key_H);
+
+    // Prevent conflicts with global Mac shortcuts (force Control on all platforms)
+#ifdef Q_OS_MAC
+    auto modifier = Qt::META;
+#else
+    auto modifier = Qt::CTRL;
+#endif
+    m_ui->actionEntryAddToAgent->setShortcut(modifier + Qt::Key_H);
+    m_ui->actionEntryRemoveFromAgent->setShortcut(modifier + Qt::SHIFT + Qt::Key_H);
 
 #if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
     // Qt 5.10 introduced a new "feature" to hide shortcuts in context menus