It looks like it's happening only when logging in "Ubuntu", and not in "Ubuntu on X11".
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2065382 Title: Screen flashing when hoovering over menus To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2065382/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs