I think this might be a bug in Mutter's occlusion logic which would explain the flickering glitches. It might only work correctly when there is a wallpaper image set (which would be a bug).
** Package changed: ubuntu => mutter (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/2167662 Title: glitch and wrong window bounds To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2167662/+subscriptions -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
