Bug 1947434 sounds similar and suggests the problem only happens with Ubuntu Dock.
** Also affects: gnome-shell-extension-ubuntu-dock (Ubuntu) Importance: Undecided Status: New ** No longer affects: gnome-shell-extension-ubuntu-dock (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1972151 Title: App window starts overlapping two (vertical) monitors (under the panel of the bottom monitor) To manage notifications about this bug go to: https://bugs.launchpad.net/mutter/+bug/1972151/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs