Error boundaries let you catch JavaScript errors in component trees, show fallback UI, and keep the rest of your app working.

The compound component pattern builds APIs that feel like HTML — flexible, readable, and impossible to use wrong. Here's how to implement it.

Most developers overuse useMemo and useCallback. Here's the real mental model for when memoization helps — and when it hurts.

Beyond useState and useEffect — these React hooks solve real problems that trip up developers who don't know they exist.

React Server Components fundamentally change how React apps are built. Here's a clear explanation of what they are, how they work, and when to use them.