Jay Meistrich @jayz.us · Dec 11 Interestingly, because of the other optimizations to minimize renders, it was actually much better to remove scrollEventThrottle, unstable_batchedUpdates, and debouncing scroll events. They were causing delays while scrolling quickly and weren’t actually adding any benefit.
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I think there’s still a lot more room for optimization. The next thing I’ll try is finding some heuristics to reduce the frequency of running calculateItemsInView, and skipping/delaying updating container positions when not in view.