I can see this same behaviour now in Raring with Unity 6.12.0daily13.02.26-0ubuntu1.
Sometimes, the Launcher fails to reveal when pushing left with the mouse. Super key works fine... ** Summary changed: - Unity 5.8: auto-hide using mouse reveals launcher inconsistently + Unity: auto-hide using mouse reveals launcher inconsistently -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/965643 Title: Unity: auto-hide using mouse reveals launcher inconsistently To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/965643/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs