I can confirm that I'm using X11 and that the problem occurs only when using Firefox, with chromium everything works as expected.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1902900 Title: Workspaces menu flashes when moving between workspace A and workspace B having B Firefox with a video in full screen on it To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1902900/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs