babel/babel v8.1.0

on GitHub

v8.1.0 (2026-11-02)

NOTE: @babel/plugin-proposal-bytes-modules, @babel/plugin-proposal-filtered-namespaces, and @babel/plugin-proposal-text-modules were accidentally excluded from this release. We're working on re-publishing the as 8.1.1.

Thanks @Kjubikstronk for your first PR!

🚀 New Feature

• babel-helper-module-transforms, babel-helper-transform-fixture-test-runner, babel-helpers, babel-plugin-proposal-bytes-modules, babel-plugin-proposal-filtered-namespaces, babel-plugin-proposal-import-wasm-source, babel-plugin-proposal-text-modules, babel-plugin-transform-dynamic-import, babel-plugin-transform-json-modules, babel-runtime-corejs3, babel-runtime, babel-standalone
  • #18316 Add transform support for filtered namespaces (@nicolo-ribaudo)
• babel-generator, babel-helper-import-to-platform-api, babel-helper-module-transforms, babel-parser, babel-plugin-transform-export-namespace-from, babel-plugin-transform-json-modules, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-traverse, babel-types
  • #18311 Add parsing&printing support for filtered namespaces (@nicolo-ribaudo)
• Other
  • #18009 Add babel/no-empty eslint rule (@JLHwung)
  • #17956 Add eslint-plugin configs (@JLHwung)
• babel-helper-import-to-platform-api, babel-helper-transform-fixture-test-runner, babel-helpers, babel-plugin-proposal-bytes-modules, babel-plugin-proposal-import-wasm-source, babel-plugin-proposal-text-modules, babel-plugin-transform-json-modules, babel-runtime-corejs3, babel-runtime
  • #17817 Add support for type: bytes and type: text imports (@nicolo-ribaudo)
• babel-generator, babel-parser, babel-traverse, babel-types
  • #17624 Add parse support for the "structs" proposal (only non-shared) (@JLHwung)
• babel-generator, babel-parser, babel-types
  • #17980 Parse Import Sync proposal (@JLHwung)
• babel-generator, babel-helper-module-transforms, babel-parser, babel-plugin-transform-export-namespace-from, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-types
  • #18310 Add parsing&printing support for export defer (@nicolo-ribaudo)
• babel-cli, babel-core, babel-generator, babel-helper-transform-fixture-test-runner
  • #18006 Add experimental support for range mappings in source maps (@nicolo-ribaudo)
• babel-core
  • #18275 feat(core): export generate from babel-generator (@JLHwung)
• babel-core, babel-plugin-transform-classes
  • #18387 Add noUninitializedThis assumption (@nicolo-ribaudo)
  • #18386 Add noClassPrototypeAssign and noConstructorPrimitiveReturn (@nicolo-ribaudo)

🐛 Bug Fix

• babel-parser
  • #18444 fix(parser): allow lone yield before in in an Annex B for-in init (@JLHwung)
  • #18443 fix(parser): respect unicode escape in isUnparsedContextual (@JLHwung)
• babel-helper-skip-transparent-expression-wrappers, babel-plugin-transform-optional-chaining
  • #18477 Fix optional call losing the receiver through a TS instantiation expression (@Kjubikstronk)

🔬 Output optimization

• babel-helpers, babel-runtime-corejs3
  • #18435 polish: shrink importDeferProxy size (@JLHwung)

Committers: 4

• Babel Bot (@babel-bot)
• Huáng Jùnliàng (@JLHwung)
• Miodrag Obradovic (@Kjubikstronk)
• Nicolò Ribaudo (@nicolo-ribaudo)