[pull] main from facebook:main #877
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…led flow (#31785) This treats workInProgressRoot work and rootWithPendingPassiveEffects the same way. Basically as long as there's some work on the root, yield the current task. Including passive effects. This means that passive effects are now a continuation instead of a separate callback. This can mean they're earlier or later than before. Later for Idle in case there's other non-React work. Earlier for same Default if there's other Default priority work. This makes sense since increasing priority of the passive effects beyond Idle doesn't really make sense for an Idle render. However, for any given render at same priority it's more important to complete this work than start something new. Since we special case continuations to always yield to the browser, this has the same effect as #31784 without implementing `requestPaint`. At least assuming nothing else calls `requestPaint`. <img width="587" alt="Screenshot 2024-12-14 at 5 37 37 PM" src="/~https://github.com/user-attachments/assets/8641b172-8842-4191-8bf0-50cbe263a30c" />
In #30967 and #30983 I added logging of the just rendered components and the effects. However this didn't consider the special Offscreen passes. So this adds the same thing to those passes. Log component effect timings for disconnected/reconnected offscreen subtrees. This includes initial mount of a Suspense boundary. Log component render timings for reconnected and already offscreen offscreen subtrees.
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