Hum, is that issue specific to the updates in proposed? If so it's likely a duplicate of the issue discussed on the SRU bug #1811900
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1822857 Title: Alt+Tab produces visual artefacts when a modal dialog is open To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1822857/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs