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fix(learn): update guide for v20 #8126

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avivkeller merged 1 commit into from
Sep 10, 2025
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fix(learn): update guide for v20 #8126

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5 changes: 5 additions & 0 deletions apps/site/pages/en/learn/asynchronous-work/event-loop-timers-and-nexttick.md
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Expand Up @@ -88,6 +88,11 @@ Between each run of the event loop, Node.js checks if it is waiting for
any asynchronous I/O or timers and shuts down cleanly if there are not
any.

Starting with libuv 1.45.0 (Node.js 20), the event loop behavior
changed to run timers only after the **poll** phase, instead of both before and after
as in earlier versions. This change can affect the timing of `setImmediate()` callbacks
and how they interact with timers in certain scenarios.

## Phases in Detail

### timers
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