Yes, that is reproducible as per your instructions. I confirm the bug affects Vivid (15.04) as well.
** Changed in: unity (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1387163 Title: 'Show Desktop' on launcher crashes compiz for any Gtk-Headerbar app when using any third party Gtk(3.12) theme (Utopic/Vivid) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1387163/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs