In this repeat episode, Dominik Dorfmeister unpacks the pitfalls of React’s useCallback and useMemo, revealing how these hooks often introduce more complexity than performance gains. He explores the promise of the React Compiler, the practical power of the “latest ref” pattern, and strategies to boost code readability and maintainability at scale.

Learn why overusing useEffect and manual memoization can do more harm than good, and how teams can level up their PR reviews and performance practices using tools like the ESLint React Compiler plugin.

Bluesky: https://bsky.app/profile/tkdodo.eu

The Useless useCallback: https://tkdodo.eu/blog/the-useless-use-callback

00:00 Why talk about useCallback and useMemo

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Special Guest: Dominik Dorfmeister.