Confirmed, but I wonder if this is a dock/shell bug. If that OpenGL window is actually the video sub-surface then the shell or dock should ideally recognise it's a child and not list it as an application window.
Confirmed, but I wonder if this is a dock/shell bug. If that OpenGL window is actually the video sub-surface then the shell or dock should ideally recognise it's a child and not list it as an application window.