Metro
JavaScript bundler for React Native projects, with a development server and a build API.
metrobundler.dev/repositorydocs
Metro is the JavaScript bundler for React Native projects. It bundles the app’s JavaScript modules and serves them from a development server, and its build API returns the bundle for use in a build step.
It is added to an existing project from npm, with the packages metro and metro-core, and it runs on the developer’s machine.
Worth knowing
Metro is included with React Native, and its README points new projects to the React Native documentation. Its output is a JavaScript bundle for React Native apps.
Identity
Rendering and deploy
Releases
Adoption
Sources
- 2026-10-28: links, Categories, Maintainer
metrobundler.dev/ - 2026-10-28: links, Written in, License, GitHub stars
api.github.com/repos/react/metro - 2026-10-28: links, Runs as, Install with
metrobundler.dev/docs/getting-started/ - 2026-10-28: Runtime, Minimum runtime
registry.npmjs.org/metro/latest - 2026-10-28: Headquarters
opensource.fb.com/legal/privacy/ - 2026-10-28: First release
api.github.com/repos/react/metro/releases?per_page=100&page=2 - 2026-10-28: Current major version, Last release
api.github.com/repos/react/metro/releases?per_page=100 - 2026-10-28: Contributors
api.github.com/repos/react/metro/contributors?per_page=1 - 2026-10-28: npm downloads a week
api.npmjs.org/downloads/range/2026-09-28:2026-10-04/metro