This bug also affects me. Running "unity --reset" or (--replace) fixes the problem but only for one session. When I log out and in again, alt-tab/alt-F2/dash windows appear below all others is back.
This bug also affects me. Running "unity --reset" or (--replace) fixes the problem but only for one session. When I log out and in again, alt-tab/alt-F2/dash windows appear below all others is back.