I think we're talking about two different things- I've definitely seen that much delay before, but it always came down to inefficient rendering logic and/or com

I think we're talking about two different things- I've definitely seen that much delay before, but it always came down to inefficient rendering logic and/or components that re-rendered excessively often, both of which are easy to detect in profiling and usually not too hard to solve This is the part I thought I was bizarre: > The React profiler wasn’t able to show any latency in my render functions and using the browser profiler I saw that all time was spent somewhere inside React’s internal