Thanks for reminding me. Years ago, on another iMac, I did this to turn off VSync. I recall it did work. I don't know if it does work on recent macOS's though.

Thanks for reminding me. Years ago, on another iMac, I did this to turn off VSync. I recall it did work. I don't know if it does work on recent macOS's though. https://stackoverflow.com/questions/12345730/how-to-disable-vsync-on-macos#25678521 https://stackoverflow.com/questions/12345730/how-to-disable-...