diff --git a/.settings/language.settings.xml b/.settings/language.settings.xml
index 908591c..c8d87f4 100644
--- a/.settings/language.settings.xml
+++ b/.settings/language.settings.xml
@@ -5,7 +5,7 @@
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
 			<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
 			<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuildCommandParser" id="org.eclipse.cdt.managedbuilder.core.GCCBuildCommandParser" keep-relative-paths="false" name="CDT GCC Build Output Parser" parameter="(g?cc)|([gc]\+\+)|(clang)" prefer-non-shared="true"/>
-			<provider class="org.eclipse.cdt.managedbuilder.internal.language.settings.providers.GCCBuiltinSpecsDetectorMinGW" console="false" env-hash="-1242828358748104657" id="org.eclipse.cdt.managedbuilder.core.GCCBuiltinSpecsDetectorMinGW" keep-relative-paths="false" name="CDT GCC Built-in Compiler Settings MinGW" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+			<provider class="org.eclipse.cdt.managedbuilder.internal.language.settings.providers.GCCBuiltinSpecsDetectorMinGW" console="false" env-hash="-703253235712566569" id="org.eclipse.cdt.managedbuilder.core.GCCBuiltinSpecsDetectorMinGW" keep-relative-paths="false" name="CDT GCC Built-in Compiler Settings MinGW" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
diff --git a/examples/emptydockarea/mainwindow.cpp b/examples/emptydockarea/mainwindow.cpp
index c8975a8..2dbe99c 100644
--- a/examples/emptydockarea/mainwindow.cpp
+++ b/examples/emptydockarea/mainwindow.cpp
@@ -56,7 +56,7 @@ CMainWindow::CMainWindow(QWidget *parent)
     TableDockWidget->resize(250, 150);
     TableDockWidget->setMinimumSize(200,150);
     DockManager->addDockWidgetTabToArea(TableDockWidget, CentralDockArea);
-    //auto TableArea = DockManager->addDockWidget(DockWidgetArea::LeftDockWidgetArea, TableDockWidget);
+    auto TableArea = DockManager->addDockWidget(DockWidgetArea::LeftDockWidgetArea, TableDockWidget);
     ui->menuView->addAction(TableDockWidget->toggleViewAction());
 
     table = new QTableWidget();
@@ -67,8 +67,7 @@ CMainWindow::CMainWindow(QWidget *parent)
     TableDockWidget->setMinimumSizeHintMode(CDockWidget::MinimumSizeHintFromDockWidget);
     TableDockWidget->resize(250, 150);
     TableDockWidget->setMinimumSize(200,150);
-    auto TableArea = DockManager->addDockWidget(DockWidgetArea::LeftDockWidgetArea, TableDockWidget);
-    //DockManager->addDockWidget(DockWidgetArea::BottomDockWidgetArea, TableDockWidget, TableArea);
+    DockManager->addDockWidget(DockWidgetArea::BottomDockWidgetArea, TableDockWidget, TableArea);
     ui->menuView->addAction(TableDockWidget->toggleViewAction());
 
     QTableWidget* propertiesTable = new QTableWidget();
diff --git a/src/DockManager.cpp b/src/DockManager.cpp
index 4b14f9a..42f61b8 100644
--- a/src/DockManager.cpp
+++ b/src/DockManager.cpp
@@ -505,6 +505,20 @@ CDockManager::CDockManager(QWidget *parent) :
 //============================================================================
 CDockManager::~CDockManager()
 {
+    // fix memory leaks, see https://github.com/githubuser0xFFFF/Qt-Advanced-Docking-System/issues/307
+    std::vector<ads::CDockAreaWidget*> areas;
+    for ( int i = 0; i != dockAreaCount(); ++i )
+    {
+        areas.push_back( dockArea(i) );
+    }
+    for ( auto area : areas )
+    {
+        for ( auto widget : area->dockWidgets() )
+            delete widget;
+
+        delete area;
+    }
+
 	auto FloatingWidgets = d->FloatingWidgets;
 	for (auto FloatingWidget : FloatingWidgets)
 	{
@@ -912,6 +926,8 @@ void CDockManager::loadPerspectives(QSettings& Settings)
 	}
 
 	Settings.endArray();
+	Q_EMIT perspectiveListChanged();
+	Q_EMIT perspectiveListLoaded();
 }
 
 
diff --git a/src/DockManager.h b/src/DockManager.h
index 9681d09..390e283 100644
--- a/src/DockManager.h
+++ b/src/DockManager.h
@@ -521,10 +521,17 @@ public Q_SLOTS:
 
 Q_SIGNALS:
 	/**
-	 * This signal is emitted if the list of perspectives changed
+	 * This signal is emitted if the list of perspectives changed.
+	 * The list of perspectives changes if perspectives are added, removed
+	 * or if the perspective list has been loaded
 	 */
 	void perspectiveListChanged();
 
+	/**
+	 * This signal is emitted if the perspective list has been loaded
+	 */
+	void perspectiveListLoaded();
+
 	/**
 	 * This signal is emitted if perspectives have been removed
 	 */