I don't know about macOS, but on the Web introduction of 120Hz has been a compatibility issue. Lots and lots of implementations assumed `requestAnimationFrame`

I don't know about macOS, but on the Web introduction of 120Hz has been a compatibility issue. Lots and lots of implementations assumed `requestAnimationFrame` fires 60 times per second (treating it as a "tick" for game loops or anims), so the event frequency had to be capped.