# React Js Version

Here is a table that summarizes the key versions of React.js, their release years, and important features introduced in each:

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1727421444354/eb8f414a-8af0-433c-a10d-61b0889f0f9c.jpeg align="center")

### Key Features Explained:

* **Virtual DOM**: Introduced in the first version (2013), allowing efficient rendering by updating only the changed parts of the UI.
    
* **Hooks**: Introduced in React 16.8 (2019), making it possible to use state and other React features without writing class components.
    
* **Fiber**: A new core architecture introduced in React 16 (2017) to enable incremental rendering and better performance.
    
* **Concurrent Rendering**: React 18 (2022) introduced concurrent rendering features for smoother updates and transitions.