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    De-prioritize NonUser-Blocking Updates with React useTransition's startTransition Function


    In blocking rendering, all updates have the same priority.

    In Concurrent Mode, work is "interruptible". And user-blocking updates are treated with highest importance.

    To keep interfaces interactive and snappy, we can de-prioritize slower updates.

    The useTransition Hook — and its startTransition function — allows React to schedule work after higher priority work.