#use-memo

When React.memo Actually Helps: Stabilizing Renders Without Premature Optimization

Parent state changes cause whole lists to re-render even when item data is unchanged. Selective memoization with React.memo and useMemo can stabilize renders when props are referentially stable, but only on expensive children with stable inputs.

use-memoreactreact-memoTasadduq Burneyowner21K rep · 10 Jan 2026, 14:47 UTC