if the launcher is kept hidden by another window then dragging the maximized window to restore it doesn't loses the focus.
that can be the same as bug https://bugs.launchpad.net/ubuntu/+source/unity/+bug/729929
if the launcher is kept hidden by another window then dragging the maximized window to restore it doesn't loses the focus.
that can be the same as bug https:/ /bugs.launchpad .net/ubuntu/ +source/ unity/+ bug/729929