> That might be harder to fix, although on my 6yo machine I can see similar numbers when writing inside Notes as well, maybe they fixed it in Catalina or Big Su

> That might be harder to fix, although on my 6yo machine I can see similar numbers when writing inside Notes as well, maybe they fixed it in Catalina or Big Sur. I can't really see any difference in smoothness, are you using an external high refresh rate display perhaps? Sorry for the delayed response, yes it is a 100hz external display.