Wow, this is bad. If the author is reading this, is there any chance this is a regression in recent OSes? I remember a WWDC video from quite a few years ago sho

Wow, this is bad. If the author is reading this, is there any chance this is a regression in recent OSes? I remember a WWDC video from quite a few years ago showing exactly why it’s important to use CVDisplayLink which is linked to when your display needs new frames, showing a similar illustration to the one shown above about how otherwise you lose frames.