v0.49.1

• [Feature]: Add custom serializer (#309).
• [Feature]: entryFile is no longer assumed to end with .js extension (#310).
• [Feature]: Add support for publicPath to enable serving assets from different locations (#299).
• [Feature]: Make dynamic import interoperable for CJS and ESM (more info).
• [Fix]: Fix source map loading in the remote debugger (more info).
• [Fix]: Fix metro visualizer transformation (more info).

(list of commits since v0.49.0)

v0.49.0

• [Feature]: Add Source map support for HMR updates (more info).
• [Feature]: Add a ServiceWorker implementation to get development updates via delta bundles in web (more info).

(list of commits since v0.48.3)

v0.48.3

• [Fix]: Do not add "use strict;" to non ES6 modules (more info).

(list of commits since v0.48.2)

v0.48.2

• [Breaking]: Upgrade jest-haste-map to v24.0.0-alpha.2. Metro no longer makes modules with @providesModule annotations global by default (more info).
• [Feature]: Add a config param to disable sticky workers (more info).
• [Feature]: Add support for storing/retrieving binary data in the caching system (more info).
• [Improvement]: Transform _dependencyMap[n] into the corresponding integer to reduce bundle size on RAM bundles (more info).
• [Improvement]: Refactored HMR handling logic to be more robust.
• [Fix]: Do not recompute the transform cache key every time Metro transfofrms a file (more info).
• [Fix]: Issue when using maxWorkers=1 and creating different instances of Metro in the same process.

(list of commits since v0.48.1)

v0.48.1

• [Improvement]: Enable babel-runtime by default in react-native-babel-preset (#285).
• [Improvement]: Adds prettier to the build step to make output more readable. (#279).
• [Fix]: Prevent throwing an exception during evaluation in constantFoldingPlugin (#281).

(list of commits since v0.48.0)

v0.48.0

• [Breaking]: Tweak the minifiers API to make the options configurable. Now the minify() method accepts an object instead of several params (more info).
• [Feature]: Add minifierConfig config param to enable passing custom options to the minifier (more info).
• [Feature]: Add enableBabelRuntime config param to select whether the @babel/runtime plugin is enabled.
• [Fix]: TypeScript constructor parameter properties (#258).
• [Fix]: React Native transformer now instantiates the HMR plugin correctly (more info).
• [Fix]: Build progress bar now behaves correctly when building multiple entry points (more info).

(list of commits since v0.47.1)

v0.47.1

• [Improvement]: Ignore babel.config.js files in addition to .babelrc (#276).
• [Improvement]: Change injection of global object to use global before window.
• [Fix]: Generation of inline sourcemaps is now correct.
• [Fix]: enableBabelRCLookup config param is now correctly taken into account.

(list of commits since v0.47.0)

v0.47.0

• [Breaking]: Remove the absolute path of files as an argument of babelTransformerPath (more info).
• [Breaking]: Changed the interface of the transformerPath module (more info).
• [Improvement]: Add module.id param to production bundles (more info).
• [Fix]: Handle the case where transformSync returns null in the React Native transformer (#264).
• [Fix]: Resolve transformerPath before attempting to read its contents (#268).

(list of commits since v0.46.0)

v0.46.0

• [Breaking]: Use babel runtime instead of relying on global babelHelpers on the React Native transformer (#198).
• [Feature]: Add metro-minify-terser as an alternative minifier (#256).
• [Fix]: Transform .tsx files correctly (#263).

(list of commits since v0.45.6)

v0.45.6

• [Improvement]: Ensure that jsonvalue exists in resolver.sourceExts (#250).
• [Fix]: Add "use strict" when transforming JS modules.
• [Fix]: Create inline source maps only when no URL is specified (#260).
• [Fix]: Add missing dependencies to the Metro package.

(list of commits since v0.45.5)