I have a feeling that we will see at least some level of OpenGL support from Apple hardware into the far future. The reason I say this is that WebGL is a widely accepted standard and it is simply a subset of OpenGL ES. To support websites, the hardware would at least need to be able to translate this into Metal. The real question is if Apple will actually artificially stop peoples ability to submit apps to the AppStore which contain OpenGL. Flat out stopping though would break many apps people use on a regular basis. I would think from a consumer side, they would start to pop up warnings similar to how they did for 32-bit apps in the lead up to the cut off on MacOS. Just my two cents. I may be completely wrong.
DavidJH
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