React 18 Is Here! What Is New?

React 18 Is Here! What Is New?

React 18 is going to be an exciting release. For starters, the React team is trying a new approach. They have invited a panel of experts, developers, library authors, and educators to participate in a working group. It will initially be a small group.

React 18 is going to be an exciting release. For starters, the React team is trying a new approach. They have invited a panel of experts, developers, library authors, and educators to participate in a working group. It will initially be a small group.

What can the rest of us do? Even though we can’t play an active role in this release, we can follow everything in their GitHub discussion group. It is pretty exciting to see how ideas and features are shaping up.

This release will primarily be focused on:

  • Some out-of-the-box performance improvements
  • New concurrent features
  • Improvements in the server-side rendering area

Release Status

The version is still in its early stages. React’s team aims to collect as much feedback as possible from library authors. That is why they are releasing early alpha versions.

We can install it right away by using:

npm install [email protected]

npm install [email protected]

Those alpha releases are built using the most recent commit in their main repo. When any feature/bug is merged, it will appear in the alpha on the following weekday. This is by no means suitable for production environments.

  • 1. createRoot
  • 2. Automatic Update Batching
  • 3. startTransition
  • 4. SSR Improvements

Selective hydration

In previous releases, the hydration process could damage the user’s page interactivity. You would have to wait for it to finish before interacting with the page.

By wrapping components in Suspense, that is no longer the case. Hydration happens in small gaps where the browser can handle events.

web-development javascript react programming html react 18

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