Danny Su fb0e4ee6d1 Enable regenerator for Hermes dev mode transform profile (#52651)
Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/52651

Changelog: [Internal]

Last year the `hermes-canary` profile was used to enable certain apps to use Static Hermes by enabling regenerator because debugger support for generator wasn't finished yet. However, we actually could have just keyed off of `options.dev` and still kept using `hermes-stable`.

The `hermes-canary` profile is actually meant to be used to run experiments. We should free up this profile to return it to the original intended purpose.

This diff makes all hermes profiles' dev mode use regenerator. Existing SH apps using `hermes-canary` should be unaffected. And apps using Hermes will change to use regenerator in dev mode, but that should be ok.

Reviewed By: robhogan

Differential Revision: D78450695

fbshipit-source-id: eb6a87fbc1f0e08d490fd0d1baa3611248f95764
2025-07-28 21:44:45 -07:00
2025-07-08 16:33:18 -07:00
2025-07-15 10:10:35 -07:00
2025-07-24 16:24:20 -07:00
2023-09-12 09:21:08 -07:00
2025-04-28 08:01:08 -07:00
2025-04-28 08:01:08 -07:00
2025-06-17 04:18:08 -07:00

React Native

Learn once, write anywhere:
Build mobile apps with React.

React Native is released under the MIT license. Current npm package version. PRs welcome! Follow @reactnative

Getting Started · Learn the Basics · Showcase · Contribute · Community · Support

React Native brings React's declarative UI framework to iOS and Android. With React Native, you use native UI controls and have full access to the native platform.

  • Declarative. React makes it painless to create interactive UIs. Declarative views make your code more predictable and easier to debug.
  • Component-Based. Build encapsulated components that manage their state, then compose them to make complex UIs.
  • Developer Velocity. See local changes in seconds. Changes to JavaScript code can be live reloaded without rebuilding the native app.
  • Portability. Reuse code across iOS, Android, and other platforms.

React Native is developed and supported by many companies and individual core contributors. Find out more in our ecosystem overview.

Contents

📋 Requirements

React Native apps may target iOS 15.1 and Android 7.0 (API 24) or newer. You may use Windows, macOS, or Linux as your development operating system, though building and running iOS apps is limited to macOS. Tools like Expo can be used to work around this.

🎉 Building your first React Native app

Follow the Getting Started guide. The recommended way to install React Native depends on your project. Here you can find short guides for the most common scenarios:

📖 Documentation

The full documentation for React Native can be found on our website.

The React Native documentation discusses components, APIs, and topics that are specific to React Native. For further documentation on the React API that is shared between React Native and React DOM, refer to the React documentation.

The source for the React Native documentation and website is hosted on a separate repository, @facebook/react-native-website.

🚀 Upgrading

Upgrading to new versions of React Native may give you access to more APIs, views, developer tools, and other goodies. See the Upgrading Guide for instructions.

React Native releases are discussed in this discussion repo.

👏 How to Contribute

The main purpose of this repository is to continue evolving React Native core. We want to make contributing to this project as easy and transparent as possible, and we are grateful to the community for contributing bug fixes and improvements. Read below to learn how you can take part in improving React Native.

Code of Conduct

Facebook has adopted a Code of Conduct that we expect project participants to adhere to. Please read the full text so that you can understand what actions will and will not be tolerated.

Contributing Guide

Read our Contributing Guide to learn about our development process, how to propose bugfixes and improvements, and how to build and test your changes to React Native.

Open Source Roadmap

You can learn more about our vision for React Native in the Roadmap.

Good First Issues

We have a list of good first issues that contain bugs which have a relatively limited scope. This is a great place to get started, gain experience, and get familiar with our contribution process.

Discussions

Larger discussions and proposals are discussed in @react-native-community/discussions-and-proposals.

📄 License

React Native is MIT licensed, as found in the LICENSE file.

Languages
C++ 33%
Kotlin 20%
JavaScript 18.6%
Objective-C++ 11.5%
Objective-C 7.1%
Other 9.7%