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A new React 19 feature that might have gone unnoticed: ReactDOMStatic.prerender(<App />) It's like the old renderToString API, but unlike renderToString, prerender will wait for Suspense boundaries to finish before returning the HTML.

Definitively noticed that 😀 BTW wonder if this is exactly the same as this, or has subtle differences? github.com/facebook/doc...

the difference is that it only outputs the content instead of emitting a stream with the intermediate fallback states and then the content

Ah great I don't use Suspense in Docusaurus 3 yet so that's probably why I didn't really see those intermediate states. Would it emit the JS to replace Suspense placeholders to the stream too?