Apple built a 32-inch 6K Retina display for the Mac Pro
 

Apple didn't just have a new Mac Pro to show at WWDC -- the company has unveiled a 32-inch Retina 6K display, the Pro Display XDR, to match. The screen matches the industrial look of the Mac Pro and delivers the kind of color performance you'd expect...

https://www.engadget.com/2019/06/03/...na-6k-display/