Today we're excited to release React Native 0.84!

The React Native Blog offers insights, updates, and tutorials on React Native development, a popular framework for building cross-platform mobile applications using JavaScript and React. Developers can learn about React Native best practices, new features, and community announcements, as well as discover tips for optimizing performance and debugging mobile apps. Additionally, the blog covers topics such as navigation, state management, and integrating native modules, providing resources for mobile app developers.

React Native

React Native 0.84 makes Hermes V1 the default JavaScript engine, delivering automatic performance improvements and reduced memory usage. The release enables precompiled iOS binaries by default to speed up build times, continues removing Legacy Architecture code from both platforms, and requires Node.js 22.11 minimum. Additional updates include React 19.2.3, ESLint v9 Flat Config support, enhanced accessibility features, improved URL API compliance, and support for additional image formats like HEIC and HEIF.

Hermes V1 by Default · React Native

Precompiled Binaries on iOS by Default ​

Legacy Architecture Components Removed ​