Since the release of Hooks in React 16.8, the way developers write components has evolved significantly, moving away from class components and lifecycle hooks to a more streamlined approach that reduces boilerplate code. This transition requires a different mindset, as the new Hooks do not directly map to the old lifecycle methods. The article delves into the reactivity of React components, explaining how changes in props and state trigger re-renders, while refs do not. It highlights the importance of understanding component lifecycle and re-renders, noting that React can render all child components when a parent component changes. The use of React.memo is discussed as a strategy to prevent unnecessary re-renders, but it's advised to use it sparingly. The article further explores the order of function calls and the behavior of useEffect Hooks, emphasizing the sequence in which they execute. It concludes by acknowledging that mastering Hooks requires patience and offers practical insights for effectively managing component lifecycle in React applications.