try unity 3.8.12 by updating your system through update manager. This version fixes on case where launcher won't hide.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/753934 Title: Inconsistent "hide" behavior of the launch bar in Unity -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
