React Compiler is Open Source
summary
React Compiler is open source after two years of work and prior testing and shipping at Meta, claiming measurable performance wins and removing the need for manual memoization in real-world apps. It ships as an experimental package compatible with React 19 RC, is easy to install as a Babel plugin, and includes an ESLint plugin for rule feedback. A working group is forming to collect early-adopter bug reports and guide stabilization.
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