React Context — Passing Data Deep Without Prop Drilling (medium.com)
Series: Restarting React — a beginner series for getting a solid grip on the React of 2026 (19.2 + React Compiler), from the ground up…
PSA: Context has no selector.
When a context value changes, every component reading it re-renders. React Compiler stabilises the value object's identity, but it can't stop a re-render when the value actually changed.
The fix is design. Split contexts.
Free to read:
