I haven't experienced this issue since the updated mutter package last week, and it is still working with the recently released 3.4, so I am going to mark this bug as fixed. Please feel free to reopen the bug if you are still experiencing it.
** Changed in: gnome-shell (Ubuntu) Status: Confirmed => Invalid ** Changed in: mutter (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/961591 Title: Windows border graphics corrupted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/961591/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs