The package gnome-shell 3.36.3-1ubuntu1~20.04.2 (and gnome-shell-common) fixed the bug for me.
On the previous version 3.36.2-1ubuntu1~20.04.1 locking the screen (unrelated to suspend) using Windows+L would directly crash gnome-shell and it would be restarted. The same now works again with the update.
The package gnome-shell 3.36.3- 1ubuntu1~ 20.04.2 (and gnome-shell-common) fixed the bug for me.
On the previous version 3.36.2- 1ubuntu1~ 20.04.1 locking the screen (unrelated to suspend) using Windows+L would directly crash gnome-shell and it would be restarted. The same now works again with the update.
Thank you!