Here is a table that summarizes the key versions of React.js, their release years, and important features introduced in each:
<img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1727421444354/eb8f414a-8af0-433c-a10d-61b0889f0f9c.jpeg" alt class="image--center mx-auto" />
<h3 id="heading-key-features-explained">Key Features Explained:</h3>
<ul>
<li>Virtual DOM: Introduced in the first version (2013), allowing efficient rendering by updating only the changed parts of the UI.
</li>
<li>Hooks: Introduced in React 16.8 (2019), making it possible to use state and other React features without writing class components.
</li>
<li>Fiber: A new core architecture introduced in React 16 (2017) to enable incremental rendering and better performance.
</li>
<li>Concurrent Rendering: React 18 (2022) introduced concurrent rendering features for smoother updates and transitions.
</li>
</ul>

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.

React Js Version

Key Features Explained: