It is not a black bar over the world. The world is moved up. Yeah, the work around won't work because the work around is only affecting nUI5. That does remind me that I'm going to have to pull the viewport out of nUI6 until Blizz fixes that graphics bug... so thank you for reminding me.
What people don't get is that I am, ultimately, an artist at heart. My brush has two colors, 1 and 0, and my canvas is made of silicon.