That 200ms is the natural human delay. A "reasonable" 50ms animation is in addition to that, so it's equivalent to making the user 25% slower. It's similar to m

That 200ms is the natural human delay. A "reasonable" 50ms animation is in addition to that, so it's equivalent to making the user 25% slower. It's similar to moderate alcohol intoxication. I personally use 72Hz keyboard autorepeat, which requires both low latency and predictable latency to use effectively.