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Usually these issues are caused by doing work in the UI thread (easy, when it’s ‘cheap’) synchronously.

All UI thread frameworks end up doing the UI interactions on a single thread, or everything becomes impossible to manage, and especially if not careful, it’s easy to not properly setup an async callout or the like with the correct callbacks.

It is easy to make a responsive, < 100 ms UI, it’s often harder to keep it that way.




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