I can't replicate the "ubuntu dock" issue which is visible on the screenshot attached. Only top bar is easily replicable.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1730954 Title: When pressing volume control key(s) while running a full screen game, top bar and ubuntu dock are shown To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1730954/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs