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Summary: jmbrown215 recently had an observation that the arguments to useState/useRef are only used when a component renders for the first time, and never afterwards. We can skip more computation that we previously could, with reactive blocks that previously recomputed values when inputs changed now only ever computing them on the first render.
ghstack-source-id: 5d044ef787
Pull Request resolved: https://github.com/facebook/react/pull/29653
React Compiler
React Compiler is a compiler that optimizes React applications, ensuring that only the minimal parts of components and hooks will re-render when state changes. The compiler also validates that components and hooks follow the Rules of React.
More information about the design and architecture of the compiler are covered in the Design Goals.
More information about developing the compiler itself is covered in the Development Guide.