Valentin

_onDestroy() is already present in panelMenu.Button. https://github.com/GNOME/gnome-shell/blob/e6089c83e2993098814b7056e1c7f54e5dc06820/js/ui/panelMenu.js#L187 So this function is called twice. Put log("### something") into it to check. And proper Button._onDestroy() is not called at all. This leads...

Add drag-and-drop assist.

6

Switch windows by dragging and holding item over application icon. Cycle windows if more than one. Launch app if pinned but not running. Fixes issue #278