After I set Visual Effects to "None" (thus turning off Compiz), the problem is gone.
-- gnome-dictionary-applet 2.28.1 window frame's shadow stays on desktop. https://bugs.launchpad.net/bugs/484850 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs