I'm hitting this too with the last upgrade that brought in gnome-shell 3.4.1-0ubuntu2. Happens both in Xorg and Wayland sessions.
** Tags added: champagne -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1868990 Title: Various actions produce images of applications running on all work- spaces on the current work-space To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1868990/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
