The Promise of Memoization Link to heading When React applications start to slow down, React.memo, useMemo, and useCallback are often the first tools developers reach for. After all, preventing unnecessary re-renders seems like a straightforward path to better performance. But in the React ecosystem, memoization is far more complex than it first appears. In this post, we’ll look at how these tools actually work under the hood, the subtle ways they can fail, and when they’re truly benefici...