apport-collect done. I also booted into a live session of Ubuntu 19.04 and the problem in fact does not exist...but... 1) I'm not sure what system the live session boots into by default, Wayland or X11, 2) as you can see the Alt-Tab task switcher is totally different from the 18.04 version!
** Attachment added: "Ubuntu 19.04 live session" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1837968/+attachment/5279360/+files/Ubuntu19.04_live.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1837968 Title: GNOME Shell (X11) task switcher and LibreOffice To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1837968/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs