@ken-martin Thanks for the update. It is nice knowing that some work is going on in the background. I can’t predict the future and I have no “insiders” information at Apple but my guess is that macOS 10.16 that comes out this fall (assumes that Apple sticks to this schedule) would still have OpenGL but I’m fairly sure 10.17 that would come out in fall of 2021 would have OpenGL removed.