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Clarify that Transition Actions can be asynchronous #8696

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Clarify that Transition Actions can be asynchronous #8696

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2 changes: 1 addition & 1 deletion src/content/reference/react/useTransition.md
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Expand Up @@ -1684,7 +1684,7 @@ startTransition(() => {
});
```

The function you pass to `startTransition` must be synchronous. You can't mark an update as a Transition like this:
The Action you pass to `startTransition` can be asynchronous. However, state updates scheduled in a `setTimeout` callback are not marked as Transitions, because the callback runs after the `startTransition` call has finished:

```js
startTransition(() => {
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