metro

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facebook / metro

🚇 The JavaScript bundler for React Native

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Recent Releases

v0.87.0 — v0.87.0

- Breaking: Widen Resolution union returned by resolvers to allow type: 'virtualModule', pending implementation. (https://github.com/react/metro/commit/8336654cd1416a80898b220102dae89ceef892fe by @ro

Jul 13, 2026

v0.86.0 — v0.86.0

- Breaking: Metro now always emits whole-bundle source maps as index maps(https://tc39.es/ecma426/sec-index-source-map), and stores each module's map internally as a VlqMap (https://github.com/react/

Jul 6, 2026

v0.85.0 — v0.85.0

- Breaking: Raise minimum supported Node.js version to 22 (https://github.com/react/metro/pull/1715 by @huntie) - Feature: Implement PACKAGE_SELF_RESOLVE for self-referencing imports in the resolve

Jun 23, 2026

v0.84.4 — v0.84.4

- Feature: Support /metro-watchFolders/n/ paths for .bundle and .map requests (https://github.com/facebook/metro/pull/1695 by @huntie) - Fix: Fix regression to allow scale assets to be resolved aga

Apr 30, 2026

v0.83.7 — v0.83.7

This release is on the 0.83.x(https://github.com/facebook/metro/tree/0.83.x) branch - Feature: Support /metro-watchFolders/n/ paths for .bundle and .map requests (https://github.com/facebook/metro

Apr 29, 2026

v0.83.6 — v0.83.6

This release is on the 0.83.x(https://github.com/facebook/metro/tree/0.83.x) branch - Feature: Add keepalive "heartbeat" message to Fast Refresh connections (https://github.com/facebook/metro/pull

Apr 13, 2026

v0.84.3 — v0.84.3

- Feature: Add keepalive "heartbeat" message to Fast Refresh connections (https://github.com/facebook/metro/pull/1685 by @robhogan) - Feature: Add changeId metadata on HMRClient update-done message

Apr 13, 2026

v0.83.5 — v0.83.5

This is a hotfix on the 0.83.x(https://github.com/facebook/metro/tree/0.83.x) branch. - Feature: config.server.tls now sets Metro to be exposed as an https server (1657 by @vzaidman) - Fix: sync

Mar 1, 2026

v0.84.2 — v0.84.2

- Types: Restore publishing of TypeScript types to npm (https://github.com/facebook/metro/pull/1662 by @robhogan) Full changelog: https://github.com/facebook/metro/compare/v0.84.1...v0.84.2

Feb 27, 2026

v0.84.1 — v0.84.1

Fix sync bundling progress between Metro cli and app hints (34ca6a6f621521a0780a54eeb32384b4f9c2f8ff by @vzaidman) Feature config.server.tls now sets Metro to be exposed as an https server (35ff94b

Feb 25, 2026