33 posts tagged with "engineering"

Today we're excited to release React Native 0.82: the first React Native that runs entirely on the New Architecture.

This is a milestone release for React Native and we believe it's the start of a new era. In future versions we will be removing the remaining code from the Legacy Architecture to reduce install size and streamline the codebase.

In addition, 0.82 also ships with experimental opt-in to a newer version of Hermes called Hermes V1. We’re also enabling several React features by updating the React version to 19.1.1, and shipping support for DOM Node APIs.

Highlights​

• New Architecture Only
• Experimental Hermes V1
• React 19.1.1
• DOM Node APIs

Today we are excited to release React Native 0.81!

This ships with support for Android 16 (API level 36) and includes a variety of other stability improvements and bugfixes, as well as experimental support for faster iOS builds using precompilation.

Highlights​

• Android 16 support
• SafeAreaView deprecation
• Community-maintained JavaScriptCore support
• Experimental Precompiled iOS builds

Today we are excited to release React Native 0.80!

This release brings the version of React we ship inside React Native to the latest stable available: 19.1.0.

We’re also shipping a series of stability improvements to our JS API: deep imports will now fire a warning and we’re offering a new opt-in Strict TypeScript API which offers types that are more accurate and safer to use.

Moreover, the Legacy Architecture of React Native is now officially frozen, and you’ll start seeing warnings for APIs that will stop working once we fully sunset the Legacy Architecture.

Highlights​

• JavaScript deep imports deprecation
• Legacy Architecture Freezing & Warnings
• React 19.1.0
• Experimental - React Native iOS dependencies are now prebuilt

Today we are excited to release React Native 0.79!

This release ships with performance improvements on various fronts, as well as several bugfixes. First, Metro is now faster to start thanks to deferred hashing, and has stable support for package exports. Startup time in Android will also be improved thanks to changes in the JS bundle compressions and much more.

Highlights​

• New Metro Features
• JSC moving to a Community Package
• iOS: Swift-Compatible Native Modules registration
• Android: Faster App Startup
• Removal of Remote JS Debugging

Today we are excited to release React Native 0.78!

This release ships React 19 in React Native and some other relevant features like native support for Android Vector drawables and better brownfield integration for iOS.

Highlights​

• React 19
• Towards smaller and faster releases
• Opt-in for JavaScript logs in Metro
• Added support for Android XML drawables
• ReactNativeFactory on iOS

Every year, the core contributors in the React Native Community get together with the React Native team to collaboratively shape the direction of this project.

Last year was no different—with small exception. We usually meet a day before React Universe Conf (formerly React Native EU) at Callstack HQ in Wrocław. In 2024, learning from past experiences, we hosted the Summit for two consecutive days, so that we can have more unstructured time together.

Today we are excited to release React Native 0.77!

This release ships several features: new styling capabilities such as support for display: contents, boxSizing, mixBlendMode, and outline-related properties to provide a more powerful layout options; Android 16KB page support to be compatible with the newer Android devices. We are also modernizing the community template by migrating it to Swift, while continuing to support and maintain compatibility with Objective-C for developers who prefer it.

Today we are excited to release React Native 0.75!

This release ships several features, such as Yoga 3.1 with support for % values, several stabilization fixes for the New Architecture, and the introduction of the recommendation for users to use a React Native Framework.

Highlights​

• Yoga 3.1 and Layout Improvements
• New Architecture Stabilization
• Using Frameworks

Breaking Changes​

• Touchables in TypeScript can’t be used as types in Generic expressions anymore
• Last version supporting minSdk 23 and minIOSVersion 13.4
• Android: JSIModule has been deleted
• Android: PopUp Menu removed from core
• iOS: Finalized Push Notifications deprecation work
• Community CLI: Removal of ram-bundle and profile-hermes commands

Now that 0.71 is available, we want to share some key information about the incident that broke Android builds for all React Native versions while releasing the first 0.71 release candidate for React Native & Expo Android builds on November 4th, 2022.

The contributors who helped tackle the incident recently attended a post-mortem meeting to discuss in detail what happened, what we all learned from it, and what actions we are going to take to avoid similar outages in the future.

With the release of 0.71, React Native is investing in the TypeScript experience with the following changes:

• New app template is TypeScript by default
• TypeScript declarations shipped with React Native
• React Native documentation is TypeScript First

In this post we’ll cover what these changes mean for you as a TypeScript or Flow user.