Since there are a limited number of driver version/GPU combinations for Macs (the drivers are built-in to the OS releases), Adobe usually stays on top of GPU issues for Macs. But evidently not this time.
Be sure to include the first ten lines of the menu command Help > System Info. Provide all the details, rather than linking back to this thread -- experience shows that Adobe developers tend not to follow the links.
Adobe won't find out about such bugs unless users report them, and the previous user to post in this forum neglected to submit a bug report.
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