diff --git a/applets/taskmanager/package/contents/config/main.xml b/applets/taskmanager/package/contents/config/main.xml
--- a/applets/taskmanager/package/contents/config/main.xml
+++ b/applets/taskmanager/package/contents/config/main.xml
@@ -85,7 +85,7 @@
             <choice name="ToggleGrouping"/>
             <choice name="BringToCurrentDesktop"/>
       </choices>
-      <default>0</default>
+      <default>2</default>
     </entry>
     <entry name="indicateAudioStreams" type="Bool">
       <label>Whether to indicate applications that are playing audio including an option to mute them.</label>
diff --git a/applets/taskmanager/package/contents/ui/ToolTipWindowMouseArea.qml b/applets/taskmanager/package/contents/ui/ToolTipWindowMouseArea.qml
--- a/applets/taskmanager/package/contents/ui/ToolTipWindowMouseArea.qml
+++ b/applets/taskmanager/package/contents/ui/ToolTipWindowMouseArea.qml
@@ -28,17 +28,20 @@
     property int winId // FIXME Legacy
     property Item rootTask
 
-    acceptedButtons: Qt.LeftButton | Qt.RightButton
+    acceptedButtons: Qt.LeftButton | Qt.MiddleButton | Qt.RightButton
     hoverEnabled: true
     enabled: winId != 0
 
     onClicked: {
         if (mouse.button == Qt.LeftButton) {
             tasksModel.requestActivate(modelIndex);
-        } else {
+            rootTask.hideToolTipTemporarily();
+        } else if (mouse.button == Qt.MiddleButton) {
+            backend.cancelHighlightWindows();
+            tasksModel.requestClose(modelIndex);
+        } else /* right button */ {
             tasks.createContextMenu(rootTask, modelIndex).show();
         }
-        rootTask.hideToolTipTemporarily();
     }
 
     onContainsMouseChanged: {