A workaround that works for me is dragging some icon from the desktop to the launcher and back again. After that it hides correctly (until some qt or java program makes it stick again). Workaround described here:
https://bugs.launchpad.net/unity/+bug/763275/comments/4 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/769703 Title: Unity launcher does not auto hide when dragging music in clementine or other Qt softwares -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
