> Updates in a transition yield to more urgent updates such as clicks.
>
> Updates in a transitions will not show a fallback for re-suspended content, allowing the user to continue interacting while rendering the update.
> Updates in a transition will not show a fallback for re-suspended content, allowing the user to continue interacting while rendering the update.
>
> `React.startTransition` does not provide an `isPending` flag. To track the pending status of a transition see [`React.useTransition`](/docs/hooks-reference.html#usetransition).