React 19 is finally here, and it brings some long-awaited improvements to the table. In this video, we explore what’s new, what’s been fixed, and how it compares to modern rivals like Svelte ...

With React 19, these elements are now also available in JSX and can therefore be used in every component. React ensures that the elements move to the correct position in the head element at runtime.

React 18 was unveiled as a production release on March 29, ... Batching is when React groups multiple state updates into a single re-render for better performance. ... Jun 19, 2025 5 mins ...

Learn effective React performance optimization techniques to improve app speed, reduce re-renders, and enhance user experience.

The React versions are updated in dependencies of package.json: If you install a brand new Create React App, the React versions automatically point to React 18, although the changes of createRoot are ...

Fortunately, React gives you a number of ways to tune UI performance, from ways to optimize updates to the DOM to the ability to render and fetch simultaneously using the new concurrent mode. Topics ...