I am confused about optimizing re-rendering in React context. Does it stop the context subscriber from re-rendering?

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Optimizing re-rendering in React context can help reduce unnecessary re-renders, but it does not completely stop the context subscriber from re-rendering. It helps improve performance by selectively re-rendering only the necessary components that depend on the updated context values. However, if the context value changes, all the components that are subscribed to it will re-render. Therefore, it is important to carefully choose what data is stored in the context and how it is updated to minimize unnecessary re-renders.