React Internals · Part 1415 min read
React Compiler - How It Works
React Compiler (babel-plugin-react-compiler, stable 1.0 since 7 Oct 2025) is a build-time Babel plugin that rewrites each component and hook so it memoizes its own intermediate…
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- React Internals · Part 1510 min read
Rendering With vs Without the Compiler
The reconciler has always had a cheap bailout: if a fiber's props object is the same reference as last time and it has no pending work, beginWork skips it and possibly its whole…