React 19 Compiler: What Senior Developers Need to Know
SMRTR summary
The React Compiler automates away manual useMemo, useCallback, and React.memo optimization patterns that previously separated senior from junior developers. Instead of runtime hints, it performs static analysis at build time to insert granular memoization automatically. Senior developers must now focus on component purity, architectural thinking, and compiler-aware debugging rather than manual performance micro-optimizations.
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