I have same problem: Ubuntu 21.10 Gnome 40.4.40 Wayland Thunderbird 91.3.1,
and miss the ALT+TAB-Switch really !!!
But the work around of #54 (which is new for me, thanks!!!) is fine and helpful:
I take ALT+ESC instead of ALT+TAB (which switches directly to the next window(s).
I have same problem:
Ubuntu 21.10
Gnome 40.4.40
Wayland
Thunderbird 91.3.1,
and miss the ALT+TAB-Switch really !!!
But the work around of #54 (which is new for me, thanks!!!) is fine and helpful:
I take ALT+ESC instead of ALT+TAB (which switches directly to the next window(s).