I forgot to mention the following strange fact:
"Initiate window picker for window group" works for X window applications started over ssh and for theses windows only. I often use X11Forwarding over ssh and accidentally found out that scale works for this particular window group.
I forgot to mention the following strange fact:
"Initiate window picker for window group" works for X window applications started over ssh and for theses windows only. I often use X11Forwarding over ssh and accidentally found out that scale works for this particular window group.