Stop using useMemo — React Compiler does it for you

Description

If you're still writing useMemo and useCallback in 2026, you're wasting your time. What's covered: • Show a typical over-memoized React component. • Explain React 19 Compiler auto-memoizes for you. • Side-by-side: old code vs new clean code. • When you still need it (rare edge cases). • How to enable the compiler. Save this before your next code review. #pixelgridui #react #reactjs #react19 #javascript