implementing React's Context API and Memoization - Unexpected Re-renders
I recently switched to I've been struggling with this for a few days now and could really use some help. I'm testing a new approach and I'm experiencing unexpected re-renders in my React application that uses the Context API for state management... I have a user context that provides user details throughout my application, but whenever I update a single piece of user data (like the user's name), it causes all components consuming the context to re-render, even if they only depend on other parts of the user object. I've tried using `React.memo` on the components that consume the context, but it doesn't seem to prevent them from re-rendering. Here's my context setup: ```javascript import React, { createContext, useContext, useState, useMemo } from 'react'; const UserContext = createContext(); export const UserProvider = ({ children }) => { const [user, setUser] = useState({ name: 'John Doe', email: 'john@example.com', age: 30 }); const value = useMemo(() => ({ user, setUser }), [user]); return <UserContext.Provider value={value}>{children}</UserContext.Provider>; }; export const useUser = () => useContext(UserContext); ``` In my component, I'm calling the context like this: ```javascript import React from 'react'; import { useUser } from './UserContext'; const UserProfile = () => { const { user } = useUser(); return <div>User Name: {user.name}</div>; }; export default React.memo(UserProfile); ``` I also have another component that updates the user name: ```javascript import React from 'react'; import { useUser } from './UserContext'; const UpdateUser = () => { const { setUser } = useUser(); const handleChangeName = () => { setUser(prev => ({ ...prev, name: 'Jane Doe' })); }; return <button onClick={handleChangeName}>Change Name</button>; }; export default UpdateUser; ``` Despite using `useMemo` and `React.memo`, all components that consume the user context re-render when I update the name. I expected only the components that directly reference the `name` to re-render, but it seems like the entire tree gets affected. Can someone point out what I'm doing wrong or how I can optimize this behavior? I'm using React 18.0.0 and have checked the official documentation on the Context API but still need to find a solution. Could this be a known issue? Any suggestions would be helpful. Thanks, I really appreciate it!