Please try live booting Ubuntu 19.04 from USB (http://releases.ubuntu.com/19.04/) and tell us if it has the same problem.
If the same problem exists in 19.04 then please report it to the Gnome Shell developers as a new issue at: http://gitlab.gnome.org/GNOME/gnome-shell/issues and then tell us the new issue ID. ** Tags added: bionic ** Changed in: gnome-shell (Ubuntu) Status: New => Incomplete -- 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