React: What is Fiber Architecture and How Does it Work?

Reconciling the Virtual DOM

React Fiber — source: https://images.indepth.dev/images/2020/10/Inside-Fiber_-in-depth-overview-1.png

As you may know already, one of the critical aspects of React is its ability to manage state and render changes efficiently. To make this possible, React makes use of a virtual DOM and a unidirectional data flow. However, as applications grow in size and complexity, managing state and optimizing performance becomes…