What’s new in React 19

React 19 is set to release, bringing several updates aimed at improving performance, ease of use, and developer experience. One major change is Server Components, which act as a foundation for React 19's new features, improving initial page load times, code portability, and SEO. Other improvements include new directives, actions, server actions, new hooks, the use API, preloading resources, and other enhancements to ref, context, deferred value, document metadata support, stylesheet support, async scripts support, custom elements support, better error reporting, and more. React 19 marks a significant evolution in the framework, offering powerful new features and capabilities for developers and users alike.

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