My experience of it : in Darktable (photo editing software) when you hover over some area, a ballon tip is displayed. When the tooltip is displayed, the shadow of a transparent top panel appears. I have no problem with fullscreen Firefox, but I think this is related and might help.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/734908 Title: Unity is visible on top of fullscreen apps To manage notifications about this bug go to: https://bugs.launchpad.net/ayatana-design/+bug/734908/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs