I'm looking for someone with access to a 2019 Mac Pro (preferable with a Radeon Pro Vega II GPU) to try to reproduce FB13211706 as demonstrated in https://youtu.be/5Aq2GZpKkLU Has Apple tried to reproduce it internally? I don't know. I've had no response in the Feedback app since I filed my original report six months ago. So I'm looking for a someone who is willing to actually communicate with me to tell me if it's just my Mac or what.