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b16b768fbd
Cleans up feature flags that do not have an active experiment and which we don't currently plan to ship, one commit per flag. Notable removals: * Automatic (inferred) effect dependencies / Fire: abandoned due to early feedback. Shipped useEffectEvent which addresses some of the use-cases. * Inline JSX transform (experimented, not a consistent win) * Context selectors (experimented, not a sufficient/consistent win given the benefit the compiler already provides) * Instruction Reordering (will try a different approach) To decide which features to remove, I looked at Meta's internal repos as well as eslint-pugin-react-hooks to see which flags were never overridden anywhere. That gave a longer list of flags, from which I then removed some features that I know are used in OSS.
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.