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Summary: We may wish to perform some additional computation on values when they enter or exit the memo cache in change detection mode (e.g. make a deep copy, restore the original value). This builds support for doing so. In addition, it drops the "ForDebugging" part of the flag name and makes it compatible with "disableMemoization": if memoization is disabled, we implement that by not restoring the old version of the value unless we're in a source-level memo block. [ghstack-poisoned]
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.