@babel/cli

Releases

1. 8.0.49 Jul 2026
   Release notes

   v8.0.4 (2026-07-09)

   :eyeglasses: Spec Compliance

   • babel-parser, babel-plugin-transform-typescript
     • #18120 fix(parser): disallow declare module M {} (@JLHwung)
   • babel-generator, babel-parser, babel-plugin-transform-typescript
     • #18100 fix(parser): forbid let x! and let x! = (@JLHwung)

   :bug: Bug Fix

   • babel-traverse
     • #18122 fix: replaceWith in Visitor#exit should not stop traversal (@liuxingbaoyu)

   :house: Internal

   • babel-helper-validator-identifier
     • #18084 refactor: Shrink validator identifier size (@JLHwung)

   Committers: 4

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

   Open source →
   Additional notes

   :eyeglasses: Spec Compliance

   • babel-parser, babel-plugin-transform-typescript
     • #18120 fix(parser): disallow declare module M {} (@JLHwung)
   • babel-generator, babel-parser, babel-plugin-transform-typescript
     • #18100 fix(parser): forbid let x! and let x! = (@JLHwung)

   :bug: Bug Fix

   • babel-traverse
     • #18122 fix: replaceWith in Visitor#exit should not stop traversal (@liuxingbaoyu)

   :house: Internal

   • babel-helper-validator-identifier
     • #18084 refactor: Shrink validator identifier size (@JLHwung)

   Open source →
2. 8.0.117 Jun 2026
   Release notes

   v8.0.1 (2026-06-17)

   This release includes a breaking change that was in the Babel 8 migration guide's Getting ready section and in the release post, but the actual removal of the feature from the codebase was accidentally not complete.

   :boom: Breaking Change

   • babel-core, babel-plugin-transform-object-rest-spread, babel-plugin-transform-runtime, babel-preset-env, babel-standalone
     • #18079 Actually remove preset-env's useBuiltIns (@nicolo-ribaudo)

   Committers: 2

   • Huáng Jùnliàng (@JLHwung)
   • Nicolò Ribaudo (@nicolo-ribaudo)

   Open source →
   Additional notes

   :boom: Breaking Change

   • babel-core, babel-plugin-transform-object-rest-spread, babel-plugin-transform-runtime, babel-preset-env, babel-standalone
     • #18079 Actually remove preset-env's useBuiltIns (@nicolo-ribaudo)

   Open source →
3. 8.0.016 Jun 2026
   Release notes

   v8.0.0 (2026-06-16)

   NOTE: The changelog below is relative to v8.0.0-rc.6. You can find a summary of all the breaking changes shipped in the Babel 8 release line in the migration guide for users and migration guide for plugin developers.

   Read the release blog post at http://babeljs.io/blog/2026/06/16/8.0.0!

   :eyeglasses: Spec Compliance

   • babel-core
     • #18039 perf: Only extract source map comments at the end of the file (@liuxingbaoyu)

   :boom: Breaking Change

   • babel-cli, babel-node, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-modules-commonjs, babel-plugin-transform-object-rest-spread, babel-plugin-transform-parameters, babel-plugin-transform-react-constant-elements, babel-plugin-transform-regenerator, babel-preset-env, babel-register
     • #18069 Fallback to assuming ESM support with modules: auto (@nicolo-ribaudo)
   • babel-plugin-transform-runtime, babel-runtime-corejs3, babel-runtime
     • #18036 Remove corejs exports for @babe/runtime-corejs3 (@liuxingbaoyu)
   • babel-parser
     • #18034 Remove locations: "packed" (@liuxingbaoyu)

   :bug: Bug Fix

   • babel-generator
     • #18046 fix(generator): improve new callee parens check (@JLHwung)
   • babel-plugin-transform-modules-systemjs
     • #18032 fix(systemjs): support proto as an export name (@JLHwung)

   :memo: Documentation

   • #18070 Add EOL date for Babel 7 (end of June 2027) to SECURITY.md (@nicolo-ribaudo)

   :house: Internal

   • #18018 ci: enforce yarn integrity (@JLHwung)

   :running_woman: Performance

   • babel-core
     • #18039 perf: Only extract source map comments at the end of the file (@liuxingbaoyu)

   Committers: 6

   • Babel Bot (@babel-bot)
   • Huáng Jùnliàng (@JLHwung)
   • James Garbutt (@43081j)
   • Nicolò Ribaudo (@nicolo-ribaudo)
   • Sandy Chen (@sandy2008)
   • @liuxingbaoyu

   Open source →
   Additional notes

   :eyeglasses: Spec Compliance

   • babel-core
     • #18039 perf: Only extract source map comments at the end of the file (@liuxingbaoyu)

   :boom: Breaking Change

   • babel-cli, babel-node, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-modules-commonjs, babel-plugin-transform-object-rest-spread, babel-plugin-transform-parameters, babel-plugin-transform-react-constant-elements, babel-plugin-transform-regenerator, babel-preset-env, babel-register
     • #18069 Fallback to assuming ESM support with modules: auto (@nicolo-ribaudo)
   • babel-plugin-transform-runtime, babel-runtime-corejs3, babel-runtime
     • #18036 Remove corejs exports for @babe/runtime-corejs3 (@liuxingbaoyu)
   • babel-parser
     • #18034 Remove locations: "packed" (@liuxingbaoyu)

   :bug: Bug Fix

   • babel-generator
     • #18046 fix(generator): improve new callee parens check (@JLHwung)
   • babel-plugin-transform-modules-systemjs
     • #18032 fix(systemjs): support proto as an export name (@JLHwung)

   :memo: Documentation

   • #18070 Add EOL date for Babel 7 (end of June 2027) to SECURITY.md (@nicolo-ribaudo)

   :house: Internal

   • #18018 ci: enforce yarn integrity (@JLHwung)

   :running_woman: Performance

   • babel-core
     • #18039 perf: Only extract source map comments at the end of the file (@liuxingbaoyu)

   Open source →
4. 8.0.0-rc.625 May 2026pre-release
   Release notes

   v8.0.0-rc.6 (2026-05-25)

   Re-release all packages with npm provenance attestations

   :bug: Bug Fix

   • babel-generator
     • #18011 Catchup source map position in preserveFormat (@nicolo-ribaudo)
   • babel-core
     • #17999 fix: improve inputSourceMap URL handling (@JLHwung)
   • babel-core, babel-generator
     • #17992 Preserve original identifier names from input sourcemaps (@Andarist)

   :house: Internal

   • babel-core
     • #17970 Always use native Node.js TS support for config files (@nicolo-ribaudo)
   • babel-compat-data, babel-register
     • #17993 chore: use bundled dts for register and eslint-* (@JLHwung)
   • babel-helper-transform-fixture-test-runner, babel-node
     • #17989 Test Node.js 26 on CI (@nicolo-ribaudo)
   • babel-build-external-helpers, babel-cli, babel-generator, babel-helper-fixtures, babel-helper-plugin-test-runner, babel-helper-transform-fixture-test-runner, babel-node, babel-parser, babel-plugin-transform-modules-systemjs, babel-types
     • #18002 Add file URL support for test runners (@JLHwung)

   :microscope: Output optimization

   • babel-cli, babel-core, babel-generator, babel-plugin-transform-class-properties, babel-plugin-transform-destructuring, babel-plugin-transform-explicit-resource-management, babel-plugin-transform-modules-commonjs, babel-plugin-transform-react-jsx, babel-traverse
     • #18005 Do not emit source map names for identical names (@nicolo-ribaudo)

   Committers: 5

   • Babel Bot (@babel-bot)
   • Huáng Jùnliàng (@JLHwung)
   • Mateusz Burzyński (@Andarist)
   • Nicolò Ribaudo (@nicolo-ribaudo)
   • @liuxingbaoyu

   Open source →
   Additional notes

   :bug: Bug Fix

   • babel-generator
     • #18011 Catchup source map position in preserveFormat (@nicolo-ribaudo)
   • babel-core
     • #17999 fix: improve inputSourceMap URL handling (@JLHwung)
   • babel-core, babel-generator
     • #17992 Preserve original identifier names from input sourcemaps (@Andarist)

   :house: Internal

   • babel-core
     • #17970 Always use native Node.js TS support for config files (@nicolo-ribaudo)
   • babel-compat-data, babel-register
     • #17993 chore: use bundled dts for register and eslint-* (@JLHwung)
   • babel-helper-transform-fixture-test-runner, babel-node
     • #17989 Test Node.js 26 on CI (@nicolo-ribaudo)
   • babel-build-external-helpers, babel-cli, babel-generator, babel-helper-fixtures, babel-helper-plugin-test-runner, babel-helper-transform-fixture-test-runner, babel-node, babel-parser, babel-plugin-transform-modules-systemjs, babel-types
     • #18002 Add file URL support for test runners (@JLHwung)

   :microscope: Output optimization

   • babel-cli, babel-core, babel-generator, babel-plugin-transform-class-properties, babel-plugin-transform-destructuring, babel-plugin-transform-explicit-resource-management, babel-plugin-transform-modules-commonjs, babel-plugin-transform-react-jsx, babel-traverse
     • #18005 Do not emit source map names for identical names (@nicolo-ribaudo)

   Open source →
5. 8.0.0-rc.512 May 2026pre-release
   Release notes

   v8.0.0-rc.5 (2026-05-12)

   :eyeglasses: Spec Compliance

   • babel-parser
     • #17949 Disallow decorators on abstract/declare fields (@nicolo-ribaudo)

   :boom: Breaking Change

   • babel-code-frame, babel-core, babel-parser, babel-traverse
     • #17849 fix(code-frame): use 0-based columns to match Babel AST locations (#1… (@nehemiyawicks)
   • All packages
     • #17969 Require Node.js ^22.18.0 || >=24.11.0 (@nicolo-ribaudo)
   • babel-plugin-transform-object-set-prototype-of-to-assign, babel-standalone
     • #17958 Remove transform-object-set-prototype-of-to-assign (@liuxingbaoyu)
   • babel-standalone
     • #17963 Remove noop plugins from @babel/standalone (@liuxingbaoyu)

   :loudspeaker: Deprecation

   • babel-plugin-transform-arrow-functions, babel-plugin-transform-classes, babel-plugin-transform-computed-properties, babel-plugin-transform-destructuring, babel-plugin-transform-for-of, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd, babel-plugin-transform-nullish-coalescing-operator, babel-plugin-transform-object-rest-spread, babel-plugin-transform-optional-chaining, babel-plugin-transform-parameters, babel-plugin-transform-private-methods, babel-plugin-transform-private-property-in-object, babel-plugin-transform-spread, babel-plugin-transform-template-literals
     • #17972 Deprecate spec and loose plugin options (@liuxingbaoyu)

   :bug: Bug Fix

   • babel-helper-globals
     • #17981 fix(helper-globals): Update browser-upper.json (@JLHwung)
   • babel-plugin-transform-modules-systemjs
     • #17973 fix(systemjs): improve module string name support (@JLHwung)

   :memo: Documentation

   • #17977 Add threat model to SECURITY.md (@nicolo-ribaudo)

   :house: Internal

   • babel-core, babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators, babel-plugin-transform-async-to-generator, babel-plugin-transform-class-static-block, babel-plugin-transform-flow-strip-types, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-systemjs, babel-plugin-transform-typescript, babel-preset-env, babel-preset-flow, babel-preset-react, babel-preset-typescript
     • #17957 Add testing for plugin options (@liuxingbaoyu)
   • Other
     • #17950 refactor(ts): migrate babel-eslint-plugin-* to TS (@JLHwung)

   Committers: 6

   • Babel Bot (@babel-bot)
   • Huáng Jùnliàng (@JLHwung)
   • Nehemiya Wickramasinghe (@nehemiyawicks)
   • Nicolò Ribaudo (@nicolo-ribaudo)
   • @liuxingbaoyu
   • @orbisai0security

   Open source →
   Additional notes

   :eyeglasses: Spec Compliance

   • babel-parser
     • #17949 Disallow decorators on abstract/declare fields (@nicolo-ribaudo)

   :boom: Breaking Change

   • babel-code-frame, babel-core, babel-parser, babel-traverse
     • #17849 fix(code-frame): use 0-based columns to match Babel AST locations (#1… (@nehemiyawicks)
   • babel-build-external-helpers, babel-cli, babel-code-frame, babel-compat-data, babel-core, babel-generator, babel-helper-annotate-as-pure, babel-helper-builder-react-jsx, babel-helper-check-duplicate-nodes, babel-helper-compilation-targets, babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin, babel-helper-fixtures, babel-helper-globals, babel-helper-import-to-platform-api, babel-helper-member-expression-to-functions, babel-helper-module-imports, babel-helper-module-transforms, babel-helper-optimise-call-expression, babel-helper-plugin-test-runner, babel-helper-plugin-utils, babel-helper-remap-async-to-generator, babel-helper-replace-supers, babel-helper-skip-transparent-expression-wrappers, babel-helper-string-parser, babel-helper-transform-fixture-test-runner, babel-helper-validator-identifier, babel-helper-validator-option, babel-helper-wrap-function, babel-helpers, babel-node, babel-parser, babel-plugin-bugfix-firefox-class-in-computed-class-key, babel-plugin-bugfix-safari-class-field-initializer-scope, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-bugfix-safari-rest-destructuring-rhs-array, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-bugfix-v8-static-class-fields-redefine-readonly, babel-plugin-external-helpers, babel-plugin-proposal-async-do-expressions, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-discard-binding, babel-plugin-proposal-do-expressions, babel-plugin-proposal-export-default-from, babel-plugin-proposal-function-bind, babel-plugin-proposal-function-sent, babel-plugin-proposal-import-defer, babel-plugin-proposal-import-wasm-source, babel-plugin-proposal-optional-chaining-assign, babel-plugin-proposal-partial-application, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-throw-expressions, babel-plugin-syntax-async-do-expressions, babel-plugin-syntax-decorators, babel-plugin-syntax-destructuring-private, babel-plugin-syntax-do-expressions, babel-plugin-syntax-export-default-from, babel-plugin-syntax-flow, babel-plugin-syntax-function-bind, babel-plugin-syntax-function-sent, babel-plugin-syntax-import-defer, babel-plugin-syntax-import-source, babel-plugin-syntax-jsx, babel-plugin-syntax-module-blocks, babel-plugin-syntax-optional-chaining-assign, babel-plugin-syntax-partial-application, babel-plugin-syntax-pipeline-operator, babel-plugin-syntax-throw-expressions, babel-plugin-syntax-typescript, babel-plugin-transform-arrow-functions, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoped-functions, babel-plugin-transform-block-scoping, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-classes, babel-plugin-transform-computed-properties, babel-plugin-transform-destructuring, babel-plugin-transform-dotall-regex, babel-plugin-transform-duplicate-keys, babel-plugin-transform-duplicate-named-capturing-groups-regex, babel-plugin-transform-dynamic-import, babel-plugin-transform-explicit-resource-management, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-export-namespace-from, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-for-of, babel-plugin-transform-function-name, babel-plugin-transform-instanceof, babel-plugin-transform-jscript, babel-plugin-transform-json-modules, babel-plugin-transform-json-strings, babel-plugin-transform-literals, babel-plugin-transform-logical-assignment-operators, babel-plugin-transform-member-expression-literals, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-plugin-transform-named-capturing-groups-regex, babel-plugin-transform-new-target, babel-plugin-transform-nullish-coalescing-operator, babel-plugin-transform-numeric-separator, babel-plugin-transform-object-rest-spread, babel-plugin-transform-object-super, babel-plugin-transform-optional-catch-binding, babel-plugin-transform-optional-chaining, babel-plugin-transform-parameters, babel-plugin-transform-private-methods, babel-plugin-transform-private-property-in-object, babel-plugin-transform-property-literals, babel-plugin-transform-proto-to-assign, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-display-name, babel-plugin-transform-react-inline-elements, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-plugin-transform-react-pure-annotations, babel-plugin-transform-regenerator, babel-plugin-transform-regexp-modifiers, babel-plugin-transform-reserved-words, babel-plugin-transform-runtime, babel-plugin-transform-shorthand-properties, babel-plugin-transform-spread, babel-plugin-transform-sticky-regex, babel-plugin-transform-strict-mode, babel-plugin-transform-template-literals, babel-plugin-transform-typeof-symbol, babel-plugin-transform-typescript, babel-plugin-transform-unicode-escapes, babel-plugin-transform-unicode-property-regex, babel-plugin-transform-unicode-regex, babel-plugin-transform-unicode-sets-regex, babel-preset-env, babel-preset-flow, babel-preset-react, babel-preset-typescript, babel-register, babel-standalone, babel-template, babel-traverse, babel-types
     • #17969 Require Node.js ^22.18.0 || >=24.11.0 (@nicolo-ribaudo)
   • babel-plugin-transform-object-set-prototype-of-to-assign, babel-standalone
     • #17958 Remove transform-object-set-prototype-of-to-assign (@liuxingbaoyu)
   • babel-standalone
     • #17963 Remove noop plugins from @babel/standalone (@liuxingbaoyu)

   :loudspeaker: Deprecation

   • babel-plugin-transform-arrow-functions, babel-plugin-transform-classes, babel-plugin-transform-computed-properties, babel-plugin-transform-destructuring, babel-plugin-transform-for-of, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd, babel-plugin-transform-nullish-coalescing-operator, babel-plugin-transform-object-rest-spread, babel-plugin-transform-optional-chaining, babel-plugin-transform-parameters, babel-plugin-transform-private-methods, babel-plugin-transform-private-property-in-object, babel-plugin-transform-spread, babel-plugin-transform-template-literals
     • #17972 Deprecate spec and loose plugin options (@liuxingbaoyu)

   :bug: Bug Fix

   • babel-helper-globals
     • #17981 fix(helper-globals): Update browser-upper.json (@JLHwung)
   • babel-plugin-transform-modules-systemjs
     • #17973 fix(systemjs): improve module string name support (@JLHwung)

   :memo: Documentation

   • #17977 Add threat model to SECURITY.md (@nicolo-ribaudo)

   :house: Internal

   • babel-core, babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators, babel-plugin-transform-async-to-generator, babel-plugin-transform-class-static-block, babel-plugin-transform-flow-strip-types, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-systemjs, babel-plugin-transform-typescript, babel-preset-env, babel-preset-flow, babel-preset-react, babel-preset-typescript
     • #17957 Add testing for plugin options (@liuxingbaoyu)
   • Other
     • #17950 refactor(ts): migrate babel-eslint-plugin-* to TS (@JLHwung)

   Open source →
6. 8.0.0-rc.429 Apr 2026pre-release
   Release notes

   v8.0.0-rc.4 (2026-04-29)

   :eyeglasses: Spec Compliance

   • babel-parser
     • #17954 fix(parser): ts parser small fixes (@JLHwung)
     • #17923 Support flow extends bound (@JLHwung)
     • #17888 TS parser small fixes (@JLHwung)
     • #17865 Fix(parser): flow parser small fixes (@JLHwung)
   • babel-generator, babel-parser, babel-plugin-transform-spread, babel-types
     • #17871 Disallow super call after new (@JLHwung)

   :boom: Breaking Change

   • babel-cli, babel-helper-transform-fixture-test-runner, babel-helpers, babel-node, babel-register
     • #17938 Bundle more packages (@JLHwung)
   • babel-traverse
     • #17937 Remove Scope#buildUndefinedNode (@nicolo-ribaudo)
   • babel-helper-wrap-function, babel-plugin-transform-block-scoping, babel-plugin-transform-regenerator, babel-traverse
     • #17907 Remove NodePath#toComputedKey (@liuxingbaoyu)
   • babel-plugin-external-helpers, babel-template, babel-traverse
     • #17830 Replace remaining whitelist/blacklist with inclusive alternatives (@stuckvgn)
   • babel-plugin-transform-property-mutators, babel-standalone
     • #17882 Remove @babel/plugin-transform-property-mutators (@liuxingbaoyu)

   :bug: Bug Fix

   • babel-register
     • #17928 fix(register): skip hook for ignored files (@JLHwung)
     • #17915 Fix thread synchronization issues in @babel/register (@liuxingbaoyu)
   • babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
     • #17947 Fix decorators interaction with abstract/declare fields (@nicolo-ribaudo)
     • #17931 fix(decorators): replace super within all removed static elements (@JLHwung)
   • Other
     • #17940 fix(eslint-plugin): Cleanup references to removed rules (@JLHwung)
   • babel-core
     • #17933 Update Babel 8 config item brand (@JLHwung)
   • babel-types
     • #17885 Make ArrowFunctionExpression.expression optional (@liuxingbaoyu)

   :nail_care: Polish

   • babel-register
     • #17941 Uninstall sms in register revert (@JLHwung)
   • babel-parser
     • #17902 polish(parser): improve ImportExpression error recovery (@JLHwung)

   :memo: Documentation

   • #17952 docs: fix exponentiation fixture links (@cyphercodes)

   :house: Internal

   • Other
     • #17944 refactor(eslint): remove compat layers for ESLint < 9 (@JLHwung)
   • babel-core, babel-generator
     • #17880 chore: Remove unused merging source map code (@liuxingbaoyu)

   Committers: 6

   • Babel Bot (@babel-bot)
   • Huáng Jùnliàng (@JLHwung)
   • Nicolò Ribaudo (@nicolo-ribaudo)
   • Rayan Salhab (@cyphercodes)
   • Sam Tucker-Davis (@stuckvgn)
   • @liuxingbaoyu

   Open source →
   Additional notes

   :eyeglasses: Spec Compliance

   • babel-parser
     • #17954 fix(parser): ts parser small fixes (@JLHwung)
     • #17923 Support flow extends bound (@JLHwung)
     • #17888 TS parser small fixes (@JLHwung)
     • #17865 Fix(parser): flow parser small fixes (@JLHwung)
   • babel-generator, babel-parser, babel-plugin-transform-spread, babel-types
     • #17871 Disallow super call after new (@JLHwung)

   :boom: Breaking Change

   • babel-cli, babel-helper-transform-fixture-test-runner, babel-helpers, babel-node, babel-register
     • #17938 Bundle more packages (@JLHwung)
   • babel-traverse
     • #17937 Remove Scope#buildUndefinedNode (@nicolo-ribaudo)
   • babel-helper-wrap-function, babel-plugin-transform-block-scoping, babel-plugin-transform-regenerator, babel-traverse
     • #17907 Remove NodePath#toComputedKey (@liuxingbaoyu)
   • babel-plugin-external-helpers, babel-template, babel-traverse
     • #17830 Replace remaining whitelist/blacklist with inclusive alternatives (@stuckvgn)
   • babel-plugin-transform-property-mutators, babel-standalone
     • #17882 Remove @babel/plugin-transform-property-mutators (@liuxingbaoyu)

   :bug: Bug Fix

   • babel-register
     • #17928 fix(register): skip hook for ignored files (@JLHwung)
     • #17915 Fix thread synchronization issues in @babel/register (@liuxingbaoyu)
   • babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
     • #17947 Fix decorators interaction with abstract/declare fields (@nicolo-ribaudo)
     • #17931 fix(decorators): replace super within all removed static elements (@JLHwung)
   • Other
     • #17940 fix(eslint-plugin): Cleanup references to removed rules (@JLHwung)
   • babel-core
     • #17933 Update Babel 8 config item brand (@JLHwung)
   • babel-types
     • #17885 Make ArrowFunctionExpression.expression optional (@liuxingbaoyu)

   :nail_care: Polish

   • babel-register
     • #17941 Uninstall sms in register revert (@JLHwung)
   • babel-parser
     • #17902 polish(parser): improve ImportExpression error recovery (@JLHwung)

   :memo: Documentation

   • #17952 docs: fix exponentiation fixture links (@cyphercodes)

   :house: Internal

   • Other
     • #17944 refactor(eslint): remove compat layers for ESLint < 9 (@JLHwung)
   • babel-core, babel-generator
     • #17880 chore: Remove unused merging source map code (@liuxingbaoyu)

   Open source →
7. 8.0.0-rc.316 Mar 2026pre-release
   Release notes

   v8.0.0-rc.3 (2026-03-16)

   Thanks @rootvector2 and @veeceey for your first PRs!

   :eyeglasses: Spec Compliance

   • babel-parser
     • #17839 Fix(parser): async x => {} must be in leading pos (@JLHwung)
     • #17803 Disallow non-leading solo await within F# pipeline (@JLHwung)

   :boom: Breaking Change

   • babel-parser, babel-plugin-proposal-do-expressions, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-instanceof, babel-traverse, babel-types
     • #17867 [Babel 8] Remove Import from the Expression alias (@JLHwung)
   • babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-preset-react
     • #17845 Gate jsxDEV source/self with developmentSourceSelf option (@rootvector2)
   • babel-generator, babel-parser, babel-types
     • #17835 fix: Remove decorators from TSDeclareMethod (@liuxingbaoyu)
   • babel-helper-import-to-platform-api, babel-plugin-proposal-import-wasm-source, babel-plugin-transform-json-modules
     • #17816 Pass file instead of path to importToPlatformApi builders (@nicolo-ribaudo)

   :rocket: New Feature

   • babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-preset-react
     • #17862 Add sourceSelf option to @babel/plugin-transform-react-jsx-development (@nicolo-ribaudo)
   • babel-parser
     • #16935 feat: Add locations option to parser (@liuxingbaoyu)

   :bug: Bug Fix

   • babel-compat-data, babel-plugin-bugfix-safari-rest-destructuring-rhs-array, babel-preset-env
     • #17788 Add bugfix plugin for Safari array rest destructuring bug (@JLHwung)
   • babel-generator, babel-parser, babel-traverse, babel-types
     • #17852 Fix(types): Align AST definitions to parser implementations (@JLHwung)
   • babel-build-external-helpers, babel-cli, babel-node, babel-parser
     • #17859 fix: Ensure packages are executable (@liuxingbaoyu)
   • babel-build-external-helpers, babel-cli, babel-node, babel-register
     • #17822 Fix eslint package types (@liuxingbaoyu)
   • babel-plugin-transform-parameters, babel-traverse
     • #17829 Fix types for path.get("body.${index}") (@liuxingbaoyu)
   • babel-parser
     • #17806 Improve F# pipeline direct body check (@JLHwung)
     • #17799 Fix TypeScript parser failing on async calls in ternary consequent (@veeceey)
   • babel-build-external-helpers
     • #17827 fix(build-external-helpers): incorrect bin path (@JLHwung)
   • babel-core, babel-generator, babel-helper-transform-fixture-test-runner, babel-plugin-transform-runtime, babel-types
     • #17811 Support ESLint v10 for babel-eslint-plugin (@JLHwung)

   :nail_care: Polish

   • babel-parser
     • #17782 Improve trailing comma comment handling (@JLHwung)
   • babel-plugin-transform-regenerator
     • #17362 Do not split awaitAsyncGenerator in await yield (@nicolo-ribaudo)

   :memo: Documentation

   • #17847 Replace npmjs.com links with npmx.dev (@nicolo-ribaudo)

   :house: Internal

   • babel-parser
     • #17853 refactor(parser): use AST definitions from babel/types (@JLHwung)
     • #17838 refactor(parser): simplify arrow start tracking (@JLHwung)
     • #17808 Build: Ensure make build will build Babel parser typings (@JLHwung)
   • babel-runtime-corejs3, babel-runtime
     • #17855 Remove engines field from @babel/runtime (@nicolo-ribaudo)
   • Other
     • #17825 chore: Set allowUnreachableCode: false (@liuxingbaoyu)

   :running_woman: Performance

   • babel-helper-import-to-platform-api, babel-plugin-proposal-import-wasm-source, babel-plugin-transform-json-modules
     • #17818 Load async Wasm and JSON imports in parallel (@nicolo-ribaudo)
   • babel-parser
     • #17834 fix(parser): performance issue due to debug code (@JLHwung)

   Committers: 6

   • Babel Bot (@babel-bot)
   • Dexter.k (@rootvector2)
   • Huáng Jùnliàng (@JLHwung)
   • Nicolò Ribaudo (@nicolo-ribaudo)
   • Varun Chawla (@veeceey)
   • @liuxingbaoyu

   Open source →
   Additional notes

   :eyeglasses: Spec Compliance

   • babel-parser
     • #17839 Fix(parser): async x => {} must be in leading pos (@JLHwung)
     • #17803 Disallow non-leading solo await within F# pipeline (@JLHwung)

   :boom: Breaking Change

   • babel-parser, babel-plugin-proposal-do-expressions, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-instanceof, babel-traverse, babel-types
     • #17867 [Babel 8] Remove Import from the Expression alias (@JLHwung)
   • babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-preset-react
     • #17845 Gate jsxDEV source/self with developmentSourceSelf option (@rootvector2)
   • babel-generator, babel-parser, babel-types
     • #17835 fix: Remove decorators from TSDeclareMethod (@liuxingbaoyu)
   • babel-helper-import-to-platform-api, babel-plugin-proposal-import-wasm-source, babel-plugin-transform-json-modules
     • #17816 Pass file instead of path to importToPlatformApi builders (@nicolo-ribaudo)

   :rocket: New Feature

   • babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-preset-react
     • #17862 Add sourceSelf option to @babel/plugin-transform-react-jsx-development (@nicolo-ribaudo)
   • babel-parser
     • #16935 feat: Add locations option to parser (@liuxingbaoyu)

   :bug: Bug Fix

   • babel-compat-data, babel-plugin-bugfix-safari-rest-destructuring-rhs-array, babel-preset-env
     • #17788 Add bugfix plugin for Safari array rest destructuring bug (@JLHwung)
   • babel-generator, babel-parser, babel-traverse, babel-types
     • #17852 Fix(types): Align AST definitions to parser implementations (@JLHwung)
   • babel-build-external-helpers, babel-cli, babel-node, babel-parser
     • #17859 fix: Ensure packages are executable (@liuxingbaoyu)
   • babel-build-external-helpers, babel-cli, babel-node, babel-register
     • #17822 Fix eslint package types (@liuxingbaoyu)
   • babel-plugin-transform-parameters, babel-traverse
     • #17829 Fix types for path.get("body.${index}") (@liuxingbaoyu)
   • babel-parser
     • #17806 Improve F# pipeline direct body check (@JLHwung)
     • #17799 Fix TypeScript parser failing on async calls in ternary consequent (@veeceey)
   • babel-build-external-helpers
     • #17827 fix(build-external-helpers): incorrect bin path (@JLHwung)
   • babel-core, babel-generator, babel-helper-transform-fixture-test-runner, babel-plugin-transform-runtime, babel-types
     • #17811 Support ESLint v10 for babel-eslint-plugin (@JLHwung)

   :nail_care: Polish

   • babel-parser
     • #17782 Improve trailing comma comment handling (@JLHwung)
   • babel-plugin-transform-regenerator
     • #17362 Do not split awaitAsyncGenerator in await yield (@nicolo-ribaudo)

   :memo: Documentation

   • #17847 Replace npmjs.com links with npmx.dev (@nicolo-ribaudo)

   :house: Internal

   • babel-parser
     • #17853 refactor(parser): use AST definitions from babel/types (@JLHwung)
     • #17838 refactor(parser): simplify arrow start tracking (@JLHwung)
     • #17808 Build: Ensure make build will build Babel parser typings (@JLHwung)
   • babel-runtime-corejs3, babel-runtime
     • #17855 Remove engines field from @babel/runtime (@nicolo-ribaudo)
   • Other
     • #17825 chore: Set allowUnreachableCode: false (@liuxingbaoyu)

   :running_woman: Performance

   • babel-helper-import-to-platform-api, babel-plugin-proposal-import-wasm-source, babel-plugin-transform-json-modules
     • #17818 Load async Wasm and JSON imports in parallel (@nicolo-ribaudo)
   • babel-parser
     • #17834 fix(parser): performance issue due to debug code (@JLHwung)

   Open source →
8. 8.0.0-rc.215 Feb 2026pre-release
   Release notes

   v8.0.0-rc.2 (2026-02-15)

   Thanks @YoussefHenna for your first PR!

   :boom: Breaking Change

   • Other
     • #17766 Remove unused code for old ESLint versions (@liuxingbaoyu)
   • babel-code-frame
     • #17772 Remove deprecated default export from @babel/code-frame (@fisker)

   :bug: Bug Fix

   • babel-helpers, babel-plugin-transform-async-generator-functions, babel-runtime-corejs3
     • #17797 fix: Properly handle await in finally (@liuxingbaoyu)
   • babel-parser
     • #17796 Support ESLint 10 (@JLHwung)
   • babel-preset-env
     • #17787 Fix: preset-env include/exclude should accept bugfix plugins (@JLHwung)
   • babel-generator
     • #17781 fix: preserve trailing comma in optional call args (@JLHwung)
     • #17774 Fix undefined indentation when exactly 64 indents (@YoussefHenna)
   • babel-standalone
     • #17770 fix: ensure targets.esmodules is validated (@JLHwung)

   :nail_care: Polish

   • babel-core
     • #17778 Improve core typings (@JLHwung)

   :memo: Documentation

   • babel-parser
     • #17786 docs: update spec.md (@JLHwung)

   :house: Internal

   • All packages
     • #17800 Set peer dep on @babel/core to workspace:^ (@nicolo-ribaudo)
   • babel-parser, babel-plugin-transform-explicit-resource-management
     • #17793 Remove Babel 7 plugins from parser types (@nicolo-ribaudo)
   • babel-plugin-proposal-discard-binding, babel-plugin-proposal-import-wasm-source, babel-plugin-syntax-explicit-resource-management, babel-plugin-syntax-import-assertions, babel-plugin-syntax-import-attributes, babel-plugin-transform-block-scoping, babel-plugin-transform-json-modules, babel-standalone
     • #17792 Archive syntax plugins enabled by default (@nicolo-ribaudo)

   Committers: 6

   • Babel Bot (@babel-bot)
   • Huáng Jùnliàng (@JLHwung)
   • Nicolò Ribaudo (@nicolo-ribaudo)
   • Youssef Henna (@YoussefHenna)
   • @liuxingbaoyu
   • fisker Cheung (@fisker)

   Open source →
   Additional notes

   :boom: Breaking Change

   • Other
     • #17766 Remove unused code for old ESLint versions (@liuxingbaoyu)
   • babel-code-frame
     • #17772 Remove deprecated default export from @babel/code-frame (@fisker)

   :bug: Bug Fix

   • babel-helpers, babel-plugin-transform-async-generator-functions, babel-runtime-corejs3
     • #17797 fix: Properly handle await in finally (@liuxingbaoyu)
   • babel-parser
     • #17796 Support ESLint 10 (@JLHwung)
   • babel-preset-env
     • #17787 Fix: preset-env include/exclude should accept bugfix plugins (@JLHwung)
   • babel-generator
     • #17781 fix: preserve trailing comma in optional call args (@JLHwung)
     • #17774 Fix undefined indentation when exactly 64 indents (@YoussefHenna)
   • babel-standalone
     • #17770 fix: ensure targets.esmodules is validated (@JLHwung)

   :nail_care: Polish

   • babel-core
     • #17778 Improve core typings (@JLHwung)

   :memo: Documentation

   • babel-parser
     • #17786 docs: update spec.md (@JLHwung)

   :house: Internal

   • babel-build-external-helpers, babel-cli, babel-helper-builder-react-jsx, babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin, babel-helper-fixtures, babel-helper-import-to-platform-api, babel-helper-module-transforms, babel-helper-plugin-utils, babel-helper-remap-async-to-generator, babel-helper-replace-supers, babel-node, babel-plugin-bugfix-firefox-class-in-computed-class-key, babel-plugin-bugfix-safari-class-field-initializer-scope, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-bugfix-v8-static-class-fields-redefine-readonly, babel-plugin-external-helpers, babel-plugin-proposal-async-do-expressions, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-discard-binding, babel-plugin-proposal-do-expressions, babel-plugin-proposal-export-default-from, babel-plugin-proposal-function-bind, babel-plugin-proposal-function-sent, babel-plugin-proposal-import-defer, babel-plugin-proposal-import-wasm-source, babel-plugin-proposal-optional-chaining-assign, babel-plugin-proposal-partial-application, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-throw-expressions, babel-plugin-syntax-async-do-expressions, babel-plugin-syntax-decorators, babel-plugin-syntax-destructuring-private, babel-plugin-syntax-do-expressions, babel-plugin-syntax-export-default-from, babel-plugin-syntax-flow, babel-plugin-syntax-function-bind, babel-plugin-syntax-function-sent, babel-plugin-syntax-import-defer, babel-plugin-syntax-import-source, babel-plugin-syntax-jsx, babel-plugin-syntax-module-blocks, babel-plugin-syntax-optional-chaining-assign, babel-plugin-syntax-partial-application, babel-plugin-syntax-pipeline-operator, babel-plugin-syntax-throw-expressions, babel-plugin-syntax-typescript, babel-plugin-transform-arrow-functions, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoped-functions, babel-plugin-transform-block-scoping, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-classes, babel-plugin-transform-computed-properties, babel-plugin-transform-destructuring, babel-plugin-transform-dotall-regex, babel-plugin-transform-duplicate-keys, babel-plugin-transform-duplicate-named-capturing-groups-regex, babel-plugin-transform-dynamic-import, babel-plugin-transform-explicit-resource-management, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-export-namespace-from, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-for-of, babel-plugin-transform-function-name, babel-plugin-transform-instanceof, babel-plugin-transform-jscript, babel-plugin-transform-json-modules, babel-plugin-transform-json-strings, babel-plugin-transform-literals, babel-plugin-transform-logical-assignment-operators, babel-plugin-transform-member-expression-literals, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-plugin-transform-named-capturing-groups-regex, babel-plugin-transform-new-target, babel-plugin-transform-nullish-coalescing-operator, babel-plugin-transform-numeric-separator, babel-plugin-transform-object-rest-spread, babel-plugin-transform-object-set-prototype-of-to-assign, babel-plugin-transform-object-super, babel-plugin-transform-optional-catch-binding, babel-plugin-transform-optional-chaining, babel-plugin-transform-parameters, babel-plugin-transform-private-methods, babel-plugin-transform-private-property-in-object, babel-plugin-transform-property-literals, babel-plugin-transform-property-mutators, babel-plugin-transform-proto-to-assign, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-display-name, babel-plugin-transform-react-inline-elements, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-plugin-transform-react-pure-annotations, babel-plugin-transform-regenerator, babel-plugin-transform-regexp-modifiers, babel-plugin-transform-reserved-words, babel-plugin-transform-runtime, babel-plugin-transform-shorthand-properties, babel-plugin-transform-spread, babel-plugin-transform-sticky-regex, babel-plugin-transform-strict-mode, babel-plugin-transform-template-literals, babel-plugin-transform-typeof-symbol, babel-plugin-transform-typescript, babel-plugin-transform-unicode-escapes, babel-plugin-transform-unicode-property-regex, babel-plugin-transform-unicode-regex, babel-plugin-transform-unicode-sets-regex, babel-preset-env, babel-preset-flow, babel-preset-react, babel-preset-typescript, babel-register
     • #17800 Set peer dep on @babel/core to workspace:^ (@nicolo-ribaudo)
   • babel-parser, babel-plugin-transform-explicit-resource-management
     • #17793 Remove Babel 7 plugins from parser types (@nicolo-ribaudo)
   • babel-plugin-proposal-discard-binding, babel-plugin-proposal-import-wasm-source, babel-plugin-syntax-explicit-resource-management, babel-plugin-syntax-import-assertions, babel-plugin-syntax-import-attributes, babel-plugin-transform-block-scoping, babel-plugin-transform-json-modules, babel-standalone
     • #17792 Archive syntax plugins enabled by default (@nicolo-ribaudo)

   Open source →
9. 8.0.0-rc.131 Jan 2026pre-release
   Release notes

   v8.0.0-rc.1 (2026-01-31)

   Thanks @ivonaest and @wulu007 for your first PRs!

   :boom: Breaking Change

   • babel-eslint-parser
     • #17763 Drop support for eslint v7-v8 (@liuxingbaoyu)
     • #17755 Make eslint-parser/experimental-worker the default (@liuxingbaoyu)
   • babel-register
     • #17762 Remove browser entrypoint for @babel/register (@nicolo-ribaudo)
   • babel-parser, babel-plugin-proposal-partial-application, babel-plugin-syntax-partial-application
     • #17760 [Babel 8]: partial-application plugin requires "version" option (@JLHwung)
   • babel-core, babel-plugin-transform-runtime, babel-register
     • #17756 Use package.json#imports for browser-specific code (@nicolo-ribaudo)
   • babel-build-external-helpers, babel-cli
     • #17746 [Babel 8] Extract babel-build-external-helpers (@JLHwung)
   • babel-traverse
     • #17722 Remove NodePath#visit (@liuxingbaoyu)
   • babel-cli, babel-node
     • #17741 [Babel 8] Disallow excess arguments in babel-external-helpers (@JLHwung)
   • babel-generator, babel-plugin-proposal-pipeline-operator, babel-traverse, babel-types
     • #17732 [Babel 8] Remove smart pipeline support and remove accessor property from Standardized alias (@JLHwung)
   • babel-plugin-transform-object-assign, babel-standalone
     • #17619 [Babel 8] Remove @babel/plugin-transform-object-assign (@liuxingbaoyu)
   • babel-plugin-transform-runtime, babel-preset-env
     • #17701 [Babel 8]: clean up unused preset-env data entries (@JLHwung)

   :rocket: New Feature

   • babel-code-frame, babel-core
     • #17070 feat: Allow specifying startLine in code frame (@liuxingbaoyu)
   • babel-types
     • #17423 Add attributes to import/export builder (@JLHwung)
   • babel-standalone
     • #17653 feat(standalone): export async transform (@JLHwung)
     • #17482 feat: read standalone targets from data-targets (@JLHwung)

   :bug: Bug Fix

   • babel-parser
     • #17761 fix(parser): correctly parse type assertions in extends clause (@wulu007)
     • #17720 fix(parser): improve super type argument parsing (@JLHwung)
   • babel-register
     • #17229 [Babel 8] Refactor register cache (@liuxingbaoyu)
   • babel-traverse
     • #17702 fix(babel-traverse): check variable shadowing for global object callees (@wulu007)
   • babel-core
     • #17733 fix: Correct the type of plugin parameter (@liuxingbaoyu)
   • babel-plugin-proposal-partial-application
     • #17662 fix(partial-app): support super method call (@JLHwung)
   • babel-compat-data, babel-plugin-transform-block-scoped-functions, babel-plugin-transform-block-scoping, babel-preset-env
     • #17691 Fix hoisting of function declarations in loops and switch (@liuxingbaoyu)
   • babel-generator
     • #17717 fix: improve parentheses rule of conditional (@JLHwung)

   :nail_care: Polish

   • babel-parser
     • #17531 Improve @babel/parser error types (@liuxingbaoyu)

   :house: Internal

   • babel-code-frame, babel-helpers, babel-node, babel-types
     • #17678 Replace picocolors with node:util.styleText() in @babel/code-frame (@fisker)
   • Other
     • #17751 Add CI check to make sure packages exist on npm (@nicolo-ribaudo)
   • babel-helper-transform-fixture-test-runner
     • #17743 Use require(esm) for @babel/core (@nicolo-ribaudo)
   • babel-template
     • #17748 chore: Improve template exception handling (@liuxingbaoyu)

   :running_woman: Performance

   • babel-generator, babel-runtime-corejs3
     • #17718 [Babel 8] Improve generator performance (@liuxingbaoyu)

   Committers: 8

   • Babel Bot (@babel-bot)
   • Huáng Jùnliàng (@JLHwung)
   • Nicolò Ribaudo (@nicolo-ribaudo)
   • @ivonaest
   • @liuxingbaoyu
   • @magic-akari
   • @wulu007
   • fisker Cheung (@fisker)

   Open source →
   Additional notes

   :boom: Breaking Change

   • Other
     • #17763 Drop support for eslint v7-v8 (@liuxingbaoyu)
     • #17755 Make eslint-parser/experimental-worker the default (@liuxingbaoyu)
   • babel-register
     • #17762 Remove browser entrypoint for @babel/register (@nicolo-ribaudo)
   • babel-parser, babel-plugin-proposal-partial-application, babel-plugin-syntax-partial-application
     • #17760 [Babel 8]: partial-application plugin requires "version" option (@JLHwung)
   • babel-core, babel-plugin-transform-runtime, babel-register
     • #17756 Use package.json#imports for browser-specific code (@nicolo-ribaudo)
   • babel-build-external-helpers, babel-cli
     • #17746 [Babel 8] Extract babel-build-external-helpers (@JLHwung)
   • babel-traverse
     • #17722 Remove NodePath#visit (@liuxingbaoyu)
   • babel-cli, babel-node
     • #17741 [Babel 8] Disallow excess arguments in babel-external-helpers (@JLHwung)
   • babel-generator, babel-plugin-proposal-pipeline-operator, babel-traverse, babel-types
     • #17732 [Babel 8] Remove smart pipeline support and remove accessor property from Standardized alias (@JLHwung)
   • babel-plugin-transform-object-assign, babel-standalone
     • #17619 [Babel 8] Remove @babel/plugin-transform-object-assign (@liuxingbaoyu)
   • babel-plugin-transform-runtime, babel-preset-env
     • #17701 [Babel 8]: clean up unused preset-env data entries (@JLHwung)

   :rocket: New Feature

   • babel-code-frame, babel-core
     • #17070 feat: Allow specifying startLine in code frame (@liuxingbaoyu)
   • babel-types
     • #17423 Add attributes to import/export builder (@JLHwung)
   • babel-standalone
     • #17653 feat(standalone): export async transform (@JLHwung)
     • #17482 feat: read standalone targets from data-targets (@JLHwung)

   :bug: Bug Fix

   • babel-parser
     • #17761 fix(parser): correctly parse type assertions in extends clause (@wulu007)
     • #17720 fix(parser): improve super type argument parsing (@JLHwung)
   • babel-register
     • #17229 [Babel 8] Refactor register cache (@liuxingbaoyu)
   • babel-traverse
     • #17702 fix(babel-traverse): check variable shadowing for global object callees (@wulu007)
   • babel-core
     • #17733 fix: Correct the type of plugin parameter (@liuxingbaoyu)
   • babel-plugin-proposal-partial-application
     • #17662 fix(partial-app): support super method call (@JLHwung)
   • babel-compat-data, babel-plugin-transform-block-scoped-functions, babel-plugin-transform-block-scoping, babel-preset-env
     • #17691 Fix hoisting of function declarations in loops and switch (@liuxingbaoyu)
   • babel-generator
     • #17717 fix: improve parentheses rule of conditional (@JLHwung)

   :nail_care: Polish

   • babel-parser
     • #17531 Improve @babel/parser error types (@liuxingbaoyu)

   :house: Internal

   • babel-code-frame, babel-helpers, babel-node, babel-types
     • #17678 Replace picocolors with node:util.styleText() in @babel/code-frame (@fisker)
   • Other
     • #17751 Add CI check to make sure packages exist on npm (@nicolo-ribaudo)
   • babel-helper-transform-fixture-test-runner
     • #17743 Use require(esm) for @babel/core (@nicolo-ribaudo)
   • babel-template
     • #17748 chore: Improve template exception handling (@liuxingbaoyu)

   :running_woman: Performance

   • babel-generator, babel-runtime-corejs3
     • #17718 [Babel 8] Improve generator performance (@liuxingbaoyu)

   Open source →
10. 8.0.0-beta.412 Jan 2026pre-release
    Release notes

    v8.0.0-beta.4 (2026-01-12)

    Thanks @ivonaest, @simbahax, and @sxzz for your first PRs!

    :boom: Breaking Change

    • babel-generator, babel-parser, babel-plugin-transform-typescript, babel-types
      • #17659 Drop support for TS module <identifier> (@nicolo-ribaudo)
    • babel-preset-env, babel-preset-typescript
      • #17670 breaking(preset-env): remove isPluginRequired export (@JLHwung)
    • babel-parser
      • #17666 [Babel 8]: Ensure parseExpression with tokens: true returns the exported tokens (@JLHwung)
    • babel-traverse
      • #17671 breaking(traverse): remove blacklist option (@JLHwung)
    • babel-plugin-transform-react-jsx-compat, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx-self, babel-plugin-transform-react-jsx-source, babel-standalone
      • #17620 [Babel 8] Remove plugin-transform-react-{compat,source,self} (@liuxingbaoyu)
    • babel-node
      • #17639 Remove regenerator-runtime from @babel/node (@nicolo-ribaudo)
    • babel-generator, babel-helper-create-class-features-plugin, babel-parser, babel-plugin-proposal-decorators, babel-plugin-syntax-decorators, babel-plugin-transform-class-properties, babel-standalone, babel-traverse
      • #17643 [Babel 8] Remove decorator parser plugin options (@JLHwung)
    • babel-plugin-proposal-import-attributes-to-assertions
      • #17650 [Babel 8] Archive proposal-import-attributes-to-assertions (@JLHwung)
    • babel-compat-data, babel-helper-compilation-targets, babel-preset-env
      • #17633 Remove corejs2 and legacy files from compat-data (@nicolo-ribaudo)
    • babel-runtime-corejs3, babel-runtime
      • #17635 Remove ./regenerator entrypoint from @babel/runtime (@nicolo-ribaudo)
    • babel-generator, babel-parser, babel-types
      • #17610 [babel 8] Rename TSImportType.argument to .source (@nicolo-ribaudo)
    • babel-generator, babel-parser, babel-plugin-proposal-import-attributes-to-assertions, babel-plugin-proposal-import-wasm-source, babel-plugin-transform-json-modules, babel-types
      • #17603 [babel 8] Fully remove import assertions (@nicolo-ribaudo)
    • babel-generator, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-record-and-tuple, babel-plugin-syntax-record-and-tuple, babel-standalone, babel-traverse, babel-types
      • #17528 Fully remove Records and Tuples support (@nicolo-ribaudo)

    :bug: Bug Fix

    • babel-compat-data, babel-preset-env
      • #16475 Fix order of transform-block-scoped-functions in preset-env (@liuxingbaoyu)
    • babel-traverse
      • #17568 Fix traverse NodePath caching (@coderaiser)
      • #17570 [Babel 8] fix: Correctly handle export references (@liuxingbaoyu)

    :nail_care: Polish

    • babel-runtime-corejs3, babel-runtime
      • #17529 [babel 8] Add sideEffects: false to babel-runtime (@nicolo-ribaudo)

    :house: Internal

    • All packages
      • #17660 Update publishing process for Babel 8 (@nicolo-ribaudo)
    • babel-cli, babel-helper-transform-fixture-test-runner, babel-plugin-bugfix-firefox-class-in-computed-class-key, babel-plugin-transform-computed-properties, babel-plugin-transform-destructuring, babel-plugin-transform-object-rest-spread
      • #17676 Remove unused deps (@nicolo-ribaudo)
    • babel-code-frame, babel-core
      • #17677 Stop vendoring import-meta-resolve (@nicolo-ribaudo)
    • babel-core
      • #17665 chore: add preset-typescript as optional peer dep (@JLHwung)
      • #17569 Add BABEL_7_TO_8_DANGEROUSLY_DISABLE_VERSION_CHECK (@nicolo-ribaudo)
    • babel-helpers, babel-runtime-corejs3, babel-runtime
      • #17661 Remove @onlyBabel7 helpers (@nicolo-ribaudo)
    • babel-core, babel-generator, babel-helper-create-class-features-plugin, babel-helper-skip-transparent-expression-wrappers, babel-plugin-transform-flow-comments, babel-plugin-transform-for-of, babel-plugin-transform-typescript
      • #17651 cleanup @ts-expect-error(Babel 7 vs Babel 8) comments (Part 1) (@JLHwung)
    • babel-code-frame
      • #17645 Bump js-tokens to v10 (@fisker)
    • babel-parser
      • #17641 [Babel 8] Parser cleanup (@JLHwung)
    • babel-core, babel-traverse
      • #17638 refactor: replace debug with obug (@sxzz)
    • babel-helper-builder-react-jsx
      • #17621 [babel 8] Remove @babel/types dep from helper-builder-react-jsx (@nicolo-ribaudo)
    • babel-generator, babel-parser
      • #17597 Record and tuple cleanup (@JLHwung)
    • babel-cli, babel-types
      • #17594 [Babel 8]: Bump glob to v12 (@JLHwung)
    • babel-cli
      • #17590 [Babel 8] chore: bump glob to v11 (@JLHwung)

    Committers: 12

    • Babel Bot (@babel-bot)
    • David (@simbahax)
    • Eliot Pontarelli (@kolvian)
    • Huáng Jùnliàng (@JLHwung)
    • Kadhirash Sivakumar (@kadhirash)
    • Kevin Deng (@sxzz)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • @ivonaest
    • @liuxingbaoyu
    • @magic-akari
    • coderaiser (@coderaiser)
    • fisker Cheung (@fisker)

    Open source →
    Additional notes

    :boom: Breaking Change

    • babel-generator, babel-parser, babel-plugin-transform-typescript, babel-types
      • #17659 Drop support for TS module <identifier> (@nicolo-ribaudo)
    • babel-preset-env, babel-preset-typescript
      • #17670 breaking(preset-env): remove isPluginRequired export (@JLHwung)
    • babel-parser
      • #17666 [Babel 8]: Ensure parseExpression with tokens: true returns the exported tokens (@JLHwung)
    • babel-traverse
      • #17671 breaking(traverse): remove blacklist option (@JLHwung)
    • babel-plugin-transform-react-jsx-compat, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx-self, babel-plugin-transform-react-jsx-source, babel-standalone
      • #17620 [Babel 8] Remove plugin-transform-react-{compat,source,self} (@liuxingbaoyu)
    • babel-node
      • #17639 Remove regenerator-runtime from @babel/node (@nicolo-ribaudo)
    • babel-generator, babel-helper-create-class-features-plugin, babel-parser, babel-plugin-proposal-decorators, babel-plugin-syntax-decorators, babel-plugin-transform-class-properties, babel-standalone, babel-traverse
      • #17643 [Babel 8] Remove decorator parser plugin options (@JLHwung)
    • babel-plugin-proposal-import-attributes-to-assertions
      • #17650 [Babel 8] Archive proposal-import-attributes-to-assertions (@JLHwung)
    • babel-compat-data, babel-helper-compilation-targets, babel-preset-env
      • #17633 Remove corejs2 and legacy files from compat-data (@nicolo-ribaudo)
    • babel-runtime-corejs3, babel-runtime
      • #17635 Remove ./regenerator entrypoint from @babel/runtime (@nicolo-ribaudo)
    • babel-generator, babel-parser, babel-types
      • #17610 [babel 8] Rename TSImportType.argument to .source (@nicolo-ribaudo)
    • babel-generator, babel-parser, babel-plugin-proposal-import-attributes-to-assertions, babel-plugin-proposal-import-wasm-source, babel-plugin-transform-json-modules, babel-types
      • #17603 [babel 8] Fully remove import assertions (@nicolo-ribaudo)
    • babel-generator, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-record-and-tuple, babel-plugin-syntax-record-and-tuple, babel-standalone, babel-traverse, babel-types
      • #17528 Fully remove Records and Tuples support (@nicolo-ribaudo)

    :bug: Bug Fix

    • babel-compat-data, babel-preset-env
      • #16475 Fix order of transform-block-scoped-functions in preset-env (@liuxingbaoyu)
    • babel-traverse
      • #17568 Fix traverse NodePath caching (@coderaiser)
      • #17570 [Babel 8] fix: Correctly handle export references (@liuxingbaoyu)

    :nail_care: Polish

    • babel-runtime-corejs3, babel-runtime
      • #17529 [babel 8] Add sideEffects: false to babel-runtime (@nicolo-ribaudo)

    :house: Internal

    • babel-cli, babel-code-frame, babel-compat-data, babel-core, babel-generator, babel-helper-annotate-as-pure, babel-helper-builder-react-jsx, babel-helper-check-duplicate-nodes, babel-helper-compilation-targets, babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin, babel-helper-fixtures, babel-helper-globals, babel-helper-import-to-platform-api, babel-helper-member-expression-to-functions, babel-helper-module-imports, babel-helper-module-transforms, babel-helper-optimise-call-expression, babel-helper-plugin-test-runner, babel-helper-plugin-utils, babel-helper-remap-async-to-generator, babel-helper-replace-supers, babel-helper-simple-access, babel-helper-skip-transparent-expression-wrappers, babel-helper-string-parser, babel-helper-transform-fixture-test-runner, babel-helper-validator-identifier, babel-helper-validator-option, babel-helper-wrap-function, babel-helpers, babel-node, babel-parser, babel-plugin-bugfix-firefox-class-in-computed-class-key, babel-plugin-bugfix-safari-class-field-initializer-scope, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-bugfix-v8-static-class-fields-redefine-readonly, babel-plugin-external-helpers, babel-plugin-proposal-async-do-expressions, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-discard-binding, babel-plugin-proposal-do-expressions, babel-plugin-proposal-export-default-from, babel-plugin-proposal-function-bind, babel-plugin-proposal-function-sent, babel-plugin-proposal-import-defer, babel-plugin-proposal-import-wasm-source, babel-plugin-proposal-optional-chaining-assign, babel-plugin-proposal-partial-application, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-throw-expressions, babel-plugin-syntax-async-do-expressions, babel-plugin-syntax-decorators, babel-plugin-syntax-destructuring-private, babel-plugin-syntax-do-expressions, babel-plugin-syntax-explicit-resource-management, babel-plugin-syntax-export-default-from, babel-plugin-syntax-flow, babel-plugin-syntax-function-bind, babel-plugin-syntax-function-sent, babel-plugin-syntax-import-assertions, babel-plugin-syntax-import-attributes, babel-plugin-syntax-import-defer, babel-plugin-syntax-import-source, babel-plugin-syntax-jsx, babel-plugin-syntax-module-blocks, babel-plugin-syntax-optional-chaining-assign, babel-plugin-syntax-partial-application, babel-plugin-syntax-pipeline-operator, babel-plugin-syntax-throw-expressions, babel-plugin-syntax-typescript, babel-plugin-transform-arrow-functions, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoped-functions, babel-plugin-transform-block-scoping, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-classes, babel-plugin-transform-computed-properties, babel-plugin-transform-destructuring, babel-plugin-transform-dotall-regex, babel-plugin-transform-duplicate-keys, babel-plugin-transform-duplicate-named-capturing-groups-regex, babel-plugin-transform-dynamic-import, babel-plugin-transform-explicit-resource-management, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-export-namespace-from, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-for-of, babel-plugin-transform-function-name, babel-plugin-transform-instanceof, babel-plugin-transform-jscript, babel-plugin-transform-json-modules, babel-plugin-transform-json-strings, babel-plugin-transform-literals, babel-plugin-transform-logical-assignment-operators, babel-plugin-transform-member-expression-literals, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-plugin-transform-named-capturing-groups-regex, babel-plugin-transform-new-target, babel-plugin-transform-nullish-coalescing-operator, babel-plugin-transform-numeric-separator, babel-plugin-transform-object-assign, babel-plugin-transform-object-rest-spread, babel-plugin-transform-object-set-prototype-of-to-assign, babel-plugin-transform-object-super, babel-plugin-transform-optional-catch-binding, babel-plugin-transform-optional-chaining, babel-plugin-transform-parameters, babel-plugin-transform-private-methods, babel-plugin-transform-private-property-in-object, babel-plugin-transform-property-literals, babel-plugin-transform-property-mutators, babel-plugin-transform-proto-to-assign, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-display-name, babel-plugin-transform-react-inline-elements, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-plugin-transform-react-pure-annotations, babel-plugin-transform-regenerator, babel-plugin-transform-regexp-modifiers, babel-plugin-transform-reserved-words, babel-plugin-transform-runtime, babel-plugin-transform-shorthand-properties, babel-plugin-transform-spread, babel-plugin-transform-sticky-regex, babel-plugin-transform-strict-mode, babel-plugin-transform-template-literals, babel-plugin-transform-typeof-symbol, babel-plugin-transform-typescript, babel-plugin-transform-unicode-escapes, babel-plugin-transform-unicode-property-regex, babel-plugin-transform-unicode-regex, babel-plugin-transform-unicode-sets-regex, babel-preset-env, babel-preset-flow, babel-preset-react, babel-preset-typescript, babel-register, babel-runtime-corejs3, babel-runtime, babel-standalone, babel-template, babel-traverse, babel-types
      • #17660 Update publishing process for Babel 8 (@nicolo-ribaudo)
    • babel-cli, babel-helper-transform-fixture-test-runner, babel-plugin-bugfix-firefox-class-in-computed-class-key, babel-plugin-transform-computed-properties, babel-plugin-transform-destructuring, babel-plugin-transform-object-rest-spread
      • #17676 Remove unused deps (@nicolo-ribaudo)
    • babel-code-frame, babel-core
      • #17677 Stop vendoring import-meta-resolve (@nicolo-ribaudo)
    • babel-core
      • #17665 chore: add preset-typescript as optional peer dep (@JLHwung)
      • #17569 Add BABEL_7_TO_8_DANGEROUSLY_DISABLE_VERSION_CHECK (@nicolo-ribaudo)
    • babel-helpers, babel-runtime-corejs3, babel-runtime
      • #17661 Remove @onlyBabel7 helpers (@nicolo-ribaudo)
    • babel-core, babel-generator, babel-helper-create-class-features-plugin, babel-helper-skip-transparent-expression-wrappers, babel-plugin-transform-flow-comments, babel-plugin-transform-for-of, babel-plugin-transform-typescript
      • #17651 cleanup @ts-expect-error(Babel 7 vs Babel 8) comments (Part 1) (@JLHwung)
    • babel-code-frame
      • #17645 Bump js-tokens to v10 (@fisker)
    • babel-parser
      • #17641 [Babel 8] Parser cleanup (@JLHwung)
    • babel-core, babel-traverse
      • #17638 refactor: replace debug with obug (@sxzz)
    • babel-helper-builder-react-jsx
      • #17621 [babel 8] Remove @babel/types dep from helper-builder-react-jsx (@nicolo-ribaudo)
    • babel-generator, babel-parser
      • #17597 Record and tuple cleanup (@JLHwung)
    • babel-cli, babel-types
      • #17594 [Babel 8]: Bump glob to v12 (@JLHwung)
    • babel-cli
      • #17590 [Babel 8] chore: bump glob to v11 (@JLHwung)

    Open source →
11. 8.0.0-beta.323 Oct 2025pre-release
    Release notes

    v8.0.0-beta.3 (2025-10-23)

    :boom: Breaking Change

    • babel-parser
      • #17505 [Babel 8] Treat allowSuperOutsideMethod as top-level only (@JLHwung)

    :bug: Bug Fix

    • babel-traverse, babel-types
      • #17499 Enable strictNullChecks for traverse (@liuxingbaoyu)
    • babel-plugin-transform-runtime
      • #17512 [babel 8] Update default @babel/runtime version (@nicolo-ribaudo)

    :nail_care: Polish

    • babel-core, babel-helper-transform-fixture-test-runner, babel-plugin-transform-runtime, babel-preset-env, babel-preset-react, babel-preset-typescript
      • #17404 Improve @babel/core types (@liuxingbaoyu)
    • babel-helper-create-class-features-plugin, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-flow-comments, babel-plugin-transform-logical-assignment-operators, babel-traverse, babel-types
      • #17500 [Babel 8] Better node type definitions for computed (@liuxingbaoyu)

    :house: Internal

    • babel-plugin-transform-runtime
      • #17511 [babel 8] Remove semver dependency from transform-runtime (@nicolo-ribaudo)

    :running_woman: Performance

    • babel-traverse
      • #17043 [Babel 8] Improve scope information collection performance (@liuxingbaoyu)
    • babel-helper-create-class-features-plugin, babel-plugin-bugfix-firefox-class-in-computed-class-key, babel-plugin-transform-modules-systemjs, babel-plugin-transform-typescript
      • #17518 [Babel 8] Use t.traverseFast to replace some path.traverse (@liuxingbaoyu)

    Committers: 8

    • Babel Bot (@babel-bot)
    • Byeongho Yoo (@youthfulhps)
    • Huáng Jùnliàng (@JLHwung)
    • Hyeon Dokko (@CO0Ki3)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • @Olexandr88
    • @liuxingbaoyu
    • fisker Cheung (@fisker)

    Open source →
    Additional notes

    :boom: Breaking Change

    • babel-parser
      • #17505 [Babel 8] Treat allowSuperOutsideMethod as top-level only (@JLHwung)

    :bug: Bug Fix

    • babel-traverse, babel-types
      • #17499 Enable strictNullChecks for traverse (@liuxingbaoyu)
    • babel-plugin-transform-runtime
      • #17512 [babel 8] Update default @babel/runtime version (@nicolo-ribaudo)

    :nail_care: Polish

    • babel-core, babel-helper-transform-fixture-test-runner, babel-plugin-transform-runtime, babel-preset-env, babel-preset-react, babel-preset-typescript
      • #17404 Improve @babel/core types (@liuxingbaoyu)
    • babel-helper-create-class-features-plugin, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-flow-comments, babel-plugin-transform-logical-assignment-operators, babel-traverse, babel-types
      • #17500 [Babel 8] Better node type definitions for computed (@liuxingbaoyu)

    :house: Internal

    • babel-plugin-transform-runtime
      • #17511 [babel 8] Remove semver dependency from transform-runtime (@nicolo-ribaudo)

    :running_woman: Performance

    • babel-traverse
      • #17043 [Babel 8] Improve scope information collection performance (@liuxingbaoyu)
    • babel-helper-create-class-features-plugin, babel-plugin-bugfix-firefox-class-in-computed-class-key, babel-plugin-transform-modules-systemjs, babel-plugin-transform-typescript
      • #17518 [Babel 8] Use t.traverseFast to replace some path.traverse (@liuxingbaoyu)

    Open source →
12. 8.0.0-beta.25 Sept 2025pre-release
    Release notes

    v8.0.0-beta.2 (2025-09-05)

    :boom: Breaking Change

    • babel-standalone
      • #17421 Do not enable default plugins in @babel/standalone (@gwillen)

    :bug: Bug Fix

    • babel-types
      • #17495 fix: allow d and v flag in regExpLiteral builder (@JLHwung)
    • babel-parser
      • #17479 [Babel 8] Align TSMappedType AST (@JLHwung)

    :nail_care: Polish

    • babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-object-rest-spread, babel-traverse
      • #17485 Improve @babel/traverse typings (@JLHwung)
    • babel-core, babel-helpers, babel-runtime-corejs3, babel-traverse, babel-types
      • #17471 Improve @babel/core typings (@JLHwung)
    • babel-core
      • #17470 export PartialConfig and NormalizedOptions (@JLHwung)

    :house: Internal

    • #17468 build(Babel 8): disable JSON module transform (@JLHwung)

    Committers: 9

    • Babel Bot (@babel-bot)
    • Bill Collins (@mrginglymus)
    • Glenn Willen (@gwillen)
    • Huáng Jùnliàng (@JLHwung)
    • Jam Balaya (@JamBalaya56562)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • SOUHAILA SERBOUT (@souhailaS)
    • @liuxingbaoyu
    • easrng (@easrng)

    Open source →
    Additional notes

    :boom: Breaking Change

    • babel-standalone
      • #17421 Do not enable default plugins in @babel/standalone (@gwillen)

    :bug: Bug Fix

    • babel-types
      • #17495 fix: allow d and v flag in regExpLiteral builder (@JLHwung)
    • babel-parser
      • #17479 [Babel 8] Align TSMappedType AST (@JLHwung)

    :nail_care: Polish

    • babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-object-rest-spread, babel-traverse
      • #17485 Improve @babel/traverse typings (@JLHwung)
    • babel-core, babel-helpers, babel-runtime-corejs3, babel-traverse, babel-types
      • #17471 Improve @babel/core typings (@JLHwung)
    • babel-core
      • #17470 export PartialConfig and NormalizedOptions (@JLHwung)

    :house: Internal

    • #17468 build(Babel 8): disable JSON module transform (@JLHwung)

    Open source →
13. 8.0.0-beta.12 Jul 2025pre-release
    Release notes

    v8.0.0-beta.1 (2025-07-02)

    :boom: Breaking Change

    • babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-plugin-transform-object-rest-spread, babel-traverse, babel-types
      • #17391 LVal coverage updates (Part 2) (@JLHwung)
    • babel-parser, babel-traverse, babel-types
      • #17378 Accept bigints in t.bigIntLiteral factory (@JLHwung)
    • babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-plugin-transform-destructuring, babel-plugin-transform-object-rest-spread, babel-types
      • #17387 [Babel 8]: Fix incorrect LVal coverage (@JLHwung)

    :bug: Bug Fix

    • babel-types
      • #17398 fix: BABEL_TYPES_8_BREAKING in Babel 8 (@liuxingbaoyu)

    :house: Internal

    • babel-types
      • #17361 Set binary operator typings to a more precise union (@RReverser)

    Committers: 9

    • Arthur (@arthur-mountain)
    • Babel Bot (@babel-bot)
    • Evan Anderson (@evankanderson)
    • Huáng Jùnliàng (@JLHwung)
    • Ingvar Stepanyan (@RReverser)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • @NullVoxPopuli
    • @liuxingbaoyu
    • coderaiser (@coderaiser)

    Open source →
    Additional notes

    :boom: Breaking Change

    • babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-plugin-transform-object-rest-spread, babel-traverse, babel-types
      • #17391 LVal coverage updates (Part 2) (@JLHwung)
    • babel-parser, babel-traverse, babel-types
      • #17378 Accept bigints in t.bigIntLiteral factory (@JLHwung)
    • babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-plugin-transform-destructuring, babel-plugin-transform-object-rest-spread, babel-types
      • #17387 [Babel 8]: Fix incorrect LVal coverage (@JLHwung)

    :bug: Bug Fix

    • babel-types
      • #17398 fix: BABEL_TYPES_8_BREAKING in Babel 8 (@liuxingbaoyu)

    :house: Internal

    • babel-types
      • #17361 Set binary operator typings to a more precise union (@RReverser)

    Open source →
14. 8.0.0-beta.030 May 2025pre-release
    Release notes

    v8.0.0-beta.0 (2025-05-30)

    This release also includes all changes from v7.27.0, v7.27.1, v7.27.2, v7.27.3, and v7.27.4.

    :boom: Breaking Change

    • babel-helpers, babel-plugin-transform-regenerator, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
      • #17237 [babel 8] Do not replace global regeneratorRuntime references in regenerator transform (@nicolo-ribaudo)
    • babel-compat-data, babel-helper-compilation-targets, babel-preset-env
      • #17267 [Babel 8] Directly export the JSON files from @babel/compat-data (@nicolo-ribaudo)
    • babel-parser
      • #17265 [babel 8] Drop CJS support from @babel/parser (@nicolo-ribaudo)
    • babel-generator, babel-parser, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-record-and-tuple, babel-standalone, babel-traverse
      • #17242 [Babel 8]: Remove record and tuple syntax support (@JLHwung)
    • babel-traverse, babel-types
      • #17217 Harden variable declarator validations (@JLHwung)
    • All packages
      • #17204 [Babel 8] Bump nodejs requirements to ^20.19.0 || >= 22.12.0 (@JLHwung)
    • babel-helper-compilation-targets, babel-preset-env
      • #17188 [Babel 8] Align esmodules: true behaviour to intersect (@JLHwung)

    :loudspeaker: Deprecation

    • babel-types
      • #17133 [babel 8] Deprecate uppercase builders (@nicolo-ribaudo)

    :house: Internal

    • babel-traverse
      • #16624 [Babel 8] Change scope.{references,uids} to Set (@liuxingbaoyu)
    • babel-core
      • #17261 [babel 8] Remove unnecessary CJS ESM wrapper (@nicolo-ribaudo)
    • babel-helpers, babel-plugin-transform-react-jsx, babel-preset-env
      • #17211 Babel 8 cleanup (@JLHwung)
    • babel-plugin-transform-block-scoping, babel-traverse, babel-types
      • #17148 [Babel 8] Remove BLOCK_SCOPED_SYMBOL and NOT_LOCAL_BINDING (@liuxingbaoyu)
    • babel-plugin-transform-regenerator, babel-plugin-transform-typeof-symbol
      • #17186 Cleanup babel 8 todo item (@JLHwung)

    :running_woman: Performance

    • babel-traverse
      • #16965 [Babel 8] perf: Improve traverse performance (@liuxingbaoyu)

    Committers: 12

    • Aryan Bharti (@woaitsAryan)
    • Babel Bot (@babel-bot)
    • Frolov Roman (@Lacsw)
    • Huáng Jùnliàng (@JLHwung)
    • Ish Chhabra (@ishchhabra)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • Vik R (@vikr01)
    • Vladimir Timofeev (@vovkasm)
    • @liuxingbaoyu
    • @magic-akari
    • _Kerman (@kermanx)
    • fisker Cheung (@fisker)

    Open source →
    Additional notes

    :boom: Breaking Change

    • babel-helpers, babel-plugin-transform-regenerator, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
      • #17237 [babel 8] Do not replace global regeneratorRuntime references in regenerator transform (@nicolo-ribaudo)
    • babel-compat-data, babel-helper-compilation-targets, babel-preset-env
      • #17267 [Babel 8] Directly export the JSON files from @babel/compat-data (@nicolo-ribaudo)
    • babel-parser
      • #17265 [babel 8] Drop CJS support from @babel/parser (@nicolo-ribaudo)
    • babel-generator, babel-parser, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-record-and-tuple, babel-standalone, babel-traverse
      • #17242 [Babel 8]: Remove record and tuple syntax support (@JLHwung)
    • babel-traverse, babel-types
      • #17217 Harden variable declarator validations (@JLHwung)
    • All packages
      • #17204 [Babel 8] Bump nodejs requirements to ^20.19.0 || >= 22.12.0 (@JLHwung)
    • babel-helper-compilation-targets, babel-preset-env
      • #17188 [Babel 8] Align esmodules: true behaviour to intersect (@JLHwung)

    :loudspeaker: Deprecation

    • babel-types
      • #17133 [babel 8] Deprecate uppercase builders (@nicolo-ribaudo)

    :house: Internal

    • babel-traverse
      • #16624 [Babel 8] Change scope.{references,uids} to Set (@liuxingbaoyu)
    • babel-core
      • #17261 [babel 8] Remove unnecessary CJS ESM wrapper (@nicolo-ribaudo)
    • babel-helpers, babel-plugin-transform-react-jsx, babel-preset-env
      • #17211 Babel 8 cleanup (@JLHwung)
    • babel-plugin-transform-block-scoping, babel-traverse, babel-types
      • #17148 [Babel 8] Remove BLOCK_SCOPED_SYMBOL and NOT_LOCAL_BINDING (@liuxingbaoyu)
    • babel-plugin-transform-regenerator, babel-plugin-transform-typeof-symbol
      • #17186 Cleanup babel 8 todo item (@JLHwung)

    :running_woman: Performance

    • babel-traverse
      • #16965 [Babel 8] perf: Improve traverse performance (@liuxingbaoyu)

    Open source →
15. 8.0.0-alpha.1711 Mar 2025pre-release
    Release notes

    v8.0.0-alpha.17 (2025-03-11)

    This release also includes all changes from v7.26.10.

    This release includes a fix for GHSA-968p-4wvh-cqc8, a security vulnerability which affects the .replace method of transpiled regular expressions that use named capturing groups.

    :boom: Breaking Change

    • babel-parser, babel-types
      • #17139 [Babel 8] Parse TSHeritageBase.expression as an expression (@JLHwung)

    Committers: 6

    • Babel Bot (@babel-bot)
    • Huáng Jùnliàng (@JLHwung)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • Yunyoung Jordan Choi (@jordan-choi)
    • @liuxingbaoyu
    • @mmmsssttt404

    Open source →
    Additional notes

    :boom: Breaking Change

    • babel-parser, babel-types
      • #17139 [Babel 8] Parse TSHeritageBase.expression as an expression (@JLHwung)

    Open source →
16. 8.0.0-alpha.1614 Feb 2025pre-release
    Release notes

    v8.0.0-alpha.16 (2025-02-14)

    In addition to the changelog below, this release includes changes from v7.26.6 to v7.26.9.

    :boom: Breaking Change

    • babel-types
      • #17099 [babel 8] Remove legacy .d.ts for TypeScript <= 4.0 (@nicolo-ribaudo)
    • babel-generator, babel-parser, babel-plugin-transform-template-literals, babel-traverse, babel-types
      • #17066 [Babel 8] Create TSTemplateLiteralType (@JLHwung)
    • babel-generator, babel-parser, babel-plugin-transform-typescript, babel-types
      • #17073 [Babel 8] Parse export import = as an ExportNamedDeclaration (@JLHwung)
    • babel-preset-env
      • #17078 [babel 8] Remove bugfixes option (@nicolo-ribaudo)
    • babel-parser
      • #17063 [Babel 8] Create TSEmptyBodyFunctionExpression also on invalid input (@JLHwung)
    • babel-parser, babel-plugin-transform-typescript, babel-types
      • #17059 [Babel 8] Create ThisExpression for typeof this (@JLHwung)

    :bug: Bug Fix

    • babel-generator
      • #17131 [Babel 8] Add several TS type parentheses rules (@JLHwung)
      • #17125 fix: Missing parentheses when printing a TS arrow function type in a union (@liuxingbaoyu)
    • babel-parser
      • #17106 Fix TS non-array type start (@JLHwung)

    :house: Internal

    • babel-parser, babel-plugin-proposal-pipeline-operator, babel-plugin-syntax-pipeline-operator
      • #17058 [babel 8] Remove remaining references to minimal/smart pipelines (@nicolo-ribaudo)

    Committers: 7

    • Babel Bot (@babel-bot)
    • Huáng Jùnliàng (@JLHwung)
    • Jamie Kyle (@jamiebuilds-signal)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • Tony Quetano (@tquetano-netflix)
    • @branchseer
    • @liuxingbaoyu

    Open source →
    Additional notes

    :boom: Breaking Change

    • babel-types
      • #17099 [babel 8] Remove legacy .d.ts for TypeScript <= 4.0 (@nicolo-ribaudo)
    • babel-generator, babel-parser, babel-plugin-transform-template-literals, babel-traverse, babel-types
      • #17066 [Babel 8] Create TSTemplateLiteralType (@JLHwung)
    • babel-generator, babel-parser, babel-plugin-transform-typescript, babel-types
      • #17073 [Babel 8] Parse export import = as an ExportNamedDeclaration (@JLHwung)
    • babel-preset-env
      • #17078 [babel 8] Remove bugfixes option (@nicolo-ribaudo)
    • babel-parser
      • #17063 [Babel 8] Create TSEmptyBodyFunctionExpression also on invalid input (@JLHwung)
    • babel-parser, babel-plugin-transform-typescript, babel-types
      • #17059 [Babel 8] Create ThisExpression for typeof this (@JLHwung)

    :bug: Bug Fix

    • babel-generator
      • #17131 [Babel 8] Add several TS type parentheses rules (@JLHwung)
      • #17125 fix: Missing parentheses when printing a TS arrow function type in a union (@liuxingbaoyu)
    • babel-parser
      • #17106 Fix TS non-array type start (@JLHwung)

    :house: Internal

    • babel-parser, babel-plugin-proposal-pipeline-operator, babel-plugin-syntax-pipeline-operator
      • #17058 [babel 8] Remove remaining references to minimal/smart pipelines (@nicolo-ribaudo)

    Open source →
17. 8.0.0-alpha.1510 Jan 2025pre-release
    Release notes

    v8.0.0-alpha.15 (2025-01-10)

    In addition to the changelog below, this release includes changes from v7.26.5.

    :boom: Breaking Change

    • babel-generator, babel-parser, babel-plugin-transform-typescript, babel-traverse, babel-types
      • #16979 [Babel 8] Create TSEnumBody for TSEnumDeclaration (@JLHwung)
    • babel-parser, babel-types
      • #17046 [Babel 8]: wrap the TSImportType's argument within a TSLiteralType (@JLHwung)
    • babel-generator, babel-parser, babel-types
      • #17042 [Babel 8] Rename typeParameters to typeArguments in TSImportType (@JLHwung)
      • #17017 [Babel 8]: rename typeParameters to typeArguments for TSClassImplements and TSInterfaceHeritage (@JLHwung)
      • #17012 Rename typeParameters to typeArguments for TSTypeQuery (@JLHwung)
    • babel-generator, babel-parser, babel-plugin-transform-typescript, babel-types
      • #17020 Rename typeParameters to typeArguments for call expression alike (@JLHwung)
    • babel-parser
      • #17014 [Babel 8] Create TSAbstract{Method,Property}Definition (@JLHwung)

    :house: Internal

    • babel-generator
      • #17057 [babel 8] Remove DecimalLiteral printing logic (@nicolo-ribaudo)

    Committers: 5

    • Babel Bot (@babel-bot)
    • Huáng Jùnliàng (@JLHwung)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • @liuxingbaoyu
    • fisker Cheung (@fisker)

    Open source →
    Additional notes

    :boom: Breaking Change

    • babel-generator, babel-parser, babel-plugin-transform-typescript, babel-traverse, babel-types
      • #16979 [Babel 8] Create TSEnumBody for TSEnumDeclaration (@JLHwung)
    • babel-parser, babel-types
      • #17046 [Babel 8]: wrap the TSImportType's argument within a TSLiteralType (@JLHwung)
    • babel-generator, babel-parser, babel-types
      • #17042 [Babel 8] Rename typeParameters to typeArguments in TSImportType (@JLHwung)
      • #17017 [Babel 8]: rename typeParameters to typeArguments for TSClassImplements and TSInterfaceHeritage (@JLHwung)
      • #17012 Rename typeParameters to typeArguments for TSTypeQuery (@JLHwung)
    • babel-generator, babel-parser, babel-plugin-transform-typescript, babel-types
      • #17020 Rename typeParameters to typeArguments for call expression alike (@JLHwung)
    • babel-parser
      • #17014 [Babel 8] Create TSAbstract{Method,Property}Definition (@JLHwung)

    :house: Internal

    • babel-generator
      • #17057 [babel 8] Remove DecimalLiteral printing logic (@nicolo-ribaudo)

    Open source →
18. 8.0.0-alpha.146 Dec 2024pre-release
    Release notes

    v8.0.0-alpha.14 (2024-12-06)

    In addition to the changelog below, this release includes changes from v7.26.1 to v7.26.4

    :boom: Breaking Change

    • babel-generator, babel-parser, babel-types
      • #17008 Rename TSTypeReference.typeParameters to typeArguments (@JLHwung)
      • #16952 [Babel 8] Remove TSModuleDeclaration.global (@liuxingbaoyu)
    • babel-generator, babel-parser, babel-plugin-transform-flow-comments, babel-plugin-transform-typescript, babel-types
      • #16997 [babel 8] Rename superTypeParameters -> superTypeArguments (@nicolo-ribaudo)
    • babel-generator, babel-parser, babel-plugin-transform-typescript, babel-types
      • #16982 [Babel 8] Use TSQualifiedName for namespace X.Y {}'s name (@liuxingbaoyu)

    :bug: Bug Fix

    • Other
      • #17010 fix: build updated babel-type helpers (@JLHwung)
    • babel-preset-react, babel-standalone
      • #16927 [react] Make development option default to the configured env (@nicolo-ribaudo)

    :house: Internal

    • babel-cli, babel-helper-transform-fixture-test-runner
      • #17007 fix: migrate to dirent.parentPath (@JLHwung)

    Committers: 6

    • Babel Bot (@babel-bot)
    • Dylan Piercey (@DylanPiercey)
    • Huáng Jùnliàng (@JLHwung)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • @liuxingbaoyu
    • fisker Cheung (@fisker)

    Open source →
    Additional notes

    :boom: Breaking Change

    • babel-generator, babel-parser, babel-types
      • #17008 Rename TSTypeReference.typeParameters to typeArguments (@JLHwung)
      • #16952 [Babel 8] Remove TSModuleDeclaration.global (@liuxingbaoyu)
    • babel-generator, babel-parser, babel-plugin-transform-flow-comments, babel-plugin-transform-typescript, babel-types
      • #16997 [babel 8] Rename superTypeParameters -> superTypeArguments (@nicolo-ribaudo)
    • babel-generator, babel-parser, babel-plugin-transform-typescript, babel-types
      • #16982 [Babel 8] Use TSQualifiedName for namespace X.Y {}'s name (@liuxingbaoyu)

    :bug: Bug Fix

    • Other
      • #17010 fix: build updated babel-type helpers (@JLHwung)
    • babel-preset-react, babel-standalone
      • #16927 [react] Make development option default to the configured env (@nicolo-ribaudo)

    :house: Internal

    • babel-cli, babel-helper-transform-fixture-test-runner
      • #17007 fix: migrate to dirent.parentPath (@JLHwung)

    Open source →
19. 8.0.0-alpha.1325 Oct 2024pre-release
    Release notes

    v8.0.0-alpha.13 (2024-10-25)

    In addition to the changelog below, this release includes changes from v7.25.1 to v7.26.0

    :boom: Breaking Change

    • babel-generator, babel-parser, babel-plugin-transform-typescript, babel-traverse, babel-types
      • #16731 Add TSClassImplements|TSInterfaceHeritage and rename TsExpressionWithTypeArguments in Babel 8 (@liuxingbaoyu)
    • babel-generator, babel-parser, babel-plugin-proposal-pipeline-operator, babel-plugin-syntax-pipeline-operator, babel-standalone
      • #16801 [Babel 8] Remove minimal,smart option of Pipeline Operator (@liuxingbaoyu)
    • babel-parser
      • #16813 [Flow] Drop support for annotations inside array patterns (@nicolo-ribaudo)
    • babel-plugin-transform-class-static-block, babel-plugin-transform-destructuring, babel-plugin-transform-spread, babel-traverse
      • #16705 [Babel 8] Remove some Scope methods (@liuxingbaoyu)
    • babel-generator, babel-parser, babel-plugin-proposal-import-wasm-source, babel-template, babel-types
      • #16770 Remove importAssertions parser plugin (@nicolo-ribaudo)
    • babel-generator, babel-parser, babel-standalone
      • #16808 Remove importReflection parser plugin (@nicolo-ribaudo)
    • babel-generator, babel-traverse, babel-types
      • #16807 [Babel 8] Remove DecimalLiteral AST (@liuxingbaoyu)
    • babel-generator, babel-parser, babel-plugin-proposal-destructuring-private, babel-plugin-syntax-decimal, babel-standalone
      • #16741 [Babel 8] Remove decimal from parser (@liuxingbaoyu)
    • babel-generator, babel-parser, babel-types
      • #16733 [Babel 8] Split typeParameter of TSMappedType (@liuxingbaoyu)
    • babel-plugin-proposal-async-do-expressions, babel-traverse
      • #16655 Remove some NodePath methods (@liuxingbaoyu)

    :rocket: New Feature

    • babel-parser, babel-plugin-syntax-flow, babel-preset-typescript
      • #16792 [Babel 8] Remove enums option of flow plugin (@liuxingbaoyu)

    :bug: Bug Fix

    • babel-core
      • #16925 Only parse # as comment in .babelignore at line start (@nicolo-ribaudo)
    • babel-template, babel-types
      • #16830 fix: ObjectPattern used as id inside for-of (@coderaiser)
    • babel-plugin-transform-async-generator-functions, babel-plugin-transform-block-scoped-functions, babel-plugin-transform-block-scoping
      • #16398 Refactor transform-block-scoped-function (@liuxingbaoyu)
    • babel-helper-transform-fixture-test-runner, babel-node
      • #16706 [babel 8] Align @babel/node args parsing to Node.js (@nicolo-ribaudo)
    • babel-parser
      • #16668 [Babel 8] Fix spelling of error code (@liuxingbaoyu)

    :nail_care: Polish

    • babel-core
      • #16836 [Babel 8] fix: Throwing exceptions synchronously (@liuxingbaoyu)

    :house: Internal

    • babel-generator, babel-helper-create-class-features-plugin, babel-helper-module-transforms, babel-plugin-proposal-destructuring-private, babel-plugin-transform-destructuring, babel-plugin-transform-modules-commonjs, babel-plugin-transform-object-rest-spread, babel-plugin-transform-parameters, babel-traverse, babel-types
      • #16817 Remove BABEL_TYPES_8_BREAKING flag and enable it by default (@liuxingbaoyu)
    • Every package
      • #16800 [babel 8] Require Node.js ^18.20.0 || ^20.17.0 || >=22.8.0 (@nicolo-ribaudo)
    • babel-generator, babel-parser, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-syntax-typescript, babel-plugin-transform-class-properties, babel-plugin-transform-modules-commonjs, babel-plugin-transform-private-methods, babel-plugin-transform-unicode-sets-regex, babel-traverse
      • #16572 Clean all always enabled parser plugins (@liuxingbaoyu)

    Committers: 13

    • Adrian (@nerodesu017)
    • Babel Bot (@babel-bot)
    • Dylan Piercey (@DylanPiercey)
    • Huáng Jùnliàng (@JLHwung)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • Timofei Iatsenko (@timofei-iatsenko)
    • Viktar Vaŭčkievič (@victorenator)
    • @j4k0xb
    • @keiseiTi
    • @liuxingbaoyu
    • coderaiser (@coderaiser)
    • fisker Cheung (@fisker)
    • hwook (@YuHyeonWook)

    Open source →
    Additional notes

    :boom: Breaking Change

    • babel-core, babel-generator, babel-parser, babel-plugin-syntax-import-assertions, babel-plugin-syntax-import-attributes, babel-preset-env, babel-standalone, babel-types
      • #16850 Enable import attributes parsing by default (@nicolo-ribaudo)
    • babel-generator, babel-parser, babel-plugin-transform-typescript, babel-traverse, babel-types
      • #16731 Add TSClassImplements|TSInterfaceHeritage and rename TsExpressionWithTypeArguments in Babel 8 (@liuxingbaoyu)
    • babel-generator, babel-parser, babel-plugin-proposal-pipeline-operator, babel-plugin-syntax-pipeline-operator, babel-standalone
      • #16801 [Babel 8] Remove minimal,smart option of Pipeline Operator (@liuxingbaoyu)
    • babel-parser
      • #16813 [Flow] Drop support for annotations inside array patterns (@nicolo-ribaudo)
    • babel-plugin-transform-class-static-block, babel-plugin-transform-destructuring, babel-plugin-transform-spread, babel-traverse
      • #16705 [Babel 8] Remove some Scope methods (@liuxingbaoyu)
    • babel-generator, babel-parser, babel-plugin-proposal-import-wasm-source, babel-template, babel-types
      • #16770 Remove importAssertions parser plugin (@nicolo-ribaudo)
    • babel-generator, babel-parser, babel-standalone
      • #16808 Remove importReflection parser plugin (@nicolo-ribaudo)
    • babel-generator, babel-traverse, babel-types
      • #16807 [Babel 8] Remove DecimalLiteral AST (@liuxingbaoyu)
    • babel-generator, babel-parser, babel-plugin-proposal-destructuring-private, babel-plugin-syntax-decimal, babel-standalone
      • #16741 [Babel 8] Remove decimal from parser (@liuxingbaoyu)
    • babel-generator, babel-parser, babel-types
      • #16733 [Babel 8] Split typeParameter of TSMappedType (@liuxingbaoyu)
    • babel-plugin-proposal-async-do-expressions, babel-traverse
      • #16655 Remove some NodePath methods (@liuxingbaoyu)

    :rocket: New Feature

    • babel-parser, babel-plugin-syntax-flow, babel-preset-typescript
      • #16792 [Babel 8] Remove enums option of flow plugin (@liuxingbaoyu)

    :bug: Bug Fix

    • babel-core
      • #16925 Only parse # as comment in .babelignore at line start (@nicolo-ribaudo)
    • babel-template, babel-types
      • #16830 fix: ObjectPattern used as id inside for-of (@coderaiser)
    • babel-plugin-transform-async-generator-functions, babel-plugin-transform-block-scoped-functions, babel-plugin-transform-block-scoping
      • #16398 Refactor transform-block-scoped-function (@liuxingbaoyu)
    • babel-helper-transform-fixture-test-runner, babel-node
      • #16706 [babel 8] Align @babel/node args parsing to Node.js (@nicolo-ribaudo)
    • babel-parser
      • #16668 [Babel 8] Fix spelling of error code (@liuxingbaoyu)

    :nail_care: Polish

    • babel-core
      • #16836 [Babel 8] fix: Throwing exceptions synchronously (@liuxingbaoyu)

    :house: Internal

    • babel-generator, babel-helper-create-class-features-plugin, babel-helper-module-transforms, babel-plugin-proposal-destructuring-private, babel-plugin-transform-destructuring, babel-plugin-transform-modules-commonjs, babel-plugin-transform-object-rest-spread, babel-plugin-transform-parameters, babel-traverse, babel-types
      • #16817 Remove BABEL_TYPES_8_BREAKING flag and enable it by default (@liuxingbaoyu)
    • babel-cli, babel-code-frame, babel-compat-data, babel-core, babel-generator, babel-helper-annotate-as-pure, babel-helper-builder-binary-assignment-operator-visitor, babel-helper-builder-react-jsx, babel-helper-check-duplicate-nodes, babel-helper-compilation-targets, babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin, babel-helper-fixtures, babel-helper-import-to-platform-api, babel-helper-member-expression-to-functions, babel-helper-module-imports, babel-helper-module-transforms, babel-helper-optimise-call-expression, babel-helper-plugin-test-runner, babel-helper-plugin-utils, babel-helper-remap-async-to-generator, babel-helper-replace-supers, babel-helper-simple-access, babel-helper-skip-transparent-expression-wrappers, babel-helper-string-parser, babel-helper-transform-fixture-test-runner, babel-helper-validator-identifier, babel-helper-validator-option, babel-helper-wrap-function, babel-helpers, babel-highlight, babel-node, babel-parser, babel-plugin-bugfix-firefox-class-in-computed-class-key, babel-plugin-bugfix-safari-class-field-initializer-scope, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-bugfix-v8-static-class-fields-redefine-readonly, babel-plugin-external-helpers, babel-plugin-proposal-async-do-expressions, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-plugin-proposal-explicit-resource-management, babel-plugin-proposal-export-default-from, babel-plugin-proposal-function-bind, babel-plugin-proposal-function-sent, babel-plugin-proposal-import-attributes-to-assertions, babel-plugin-proposal-import-defer, babel-plugin-proposal-import-wasm-source, babel-plugin-proposal-json-modules, babel-plugin-proposal-optional-chaining-assign, babel-plugin-proposal-partial-application, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-record-and-tuple, babel-plugin-proposal-regexp-modifiers, babel-plugin-proposal-throw-expressions, babel-plugin-syntax-async-do-expressions, babel-plugin-syntax-decimal, babel-plugin-syntax-decorators, babel-plugin-syntax-destructuring-private, babel-plugin-syntax-do-expressions, babel-plugin-syntax-explicit-resource-management, babel-plugin-syntax-export-default-from, babel-plugin-syntax-flow, babel-plugin-syntax-function-bind, babel-plugin-syntax-function-sent, babel-plugin-syntax-import-assertions, babel-plugin-syntax-import-attributes, babel-plugin-syntax-import-defer, babel-plugin-syntax-import-reflection, babel-plugin-syntax-import-source, babel-plugin-syntax-jsx, babel-plugin-syntax-module-blocks, babel-plugin-syntax-optional-chaining-assign, babel-plugin-syntax-partial-application, babel-plugin-syntax-pipeline-operator, babel-plugin-syntax-record-and-tuple, babel-plugin-syntax-throw-expressions, babel-plugin-syntax-typescript, babel-plugin-transform-arrow-functions, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoped-functions, babel-plugin-transform-block-scoping, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-classes, babel-plugin-transform-computed-properties, babel-plugin-transform-destructuring, babel-plugin-transform-dotall-regex, babel-plugin-transform-duplicate-keys, babel-plugin-transform-duplicate-named-capturing-groups-regex, babel-plugin-transform-dynamic-import, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-export-namespace-from, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-for-of, babel-plugin-transform-function-name, babel-plugin-transform-instanceof, babel-plugin-transform-jscript, babel-plugin-transform-json-strings, babel-plugin-transform-literals, babel-plugin-transform-logical-assignment-operators, babel-plugin-transform-member-expression-literals, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-plugin-transform-named-capturing-groups-regex, babel-plugin-transform-new-target, babel-plugin-transform-nullish-coalescing-operator, babel-plugin-transform-numeric-separator, babel-plugin-transform-object-assign, babel-plugin-transform-object-rest-spread, babel-plugin-transform-object-set-prototype-of-to-assign, babel-plugin-transform-object-super, babel-plugin-transform-optional-catch-binding, babel-plugin-transform-optional-chaining, babel-plugin-transform-parameters, babel-plugin-transform-private-methods, babel-plugin-transform-private-property-in-object, babel-plugin-transform-property-literals, babel-plugin-transform-property-mutators, babel-plugin-transform-proto-to-assign, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-display-name, babel-plugin-transform-react-inline-elements, babel-plugin-transform-react-jsx-compat, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx-self, babel-plugin-transform-react-jsx-source, babel-plugin-transform-react-jsx, babel-plugin-transform-react-pure-annotations, babel-plugin-transform-regenerator, babel-plugin-transform-reserved-words, babel-plugin-transform-runtime, babel-plugin-transform-shorthand-properties, babel-plugin-transform-spread, babel-plugin-transform-sticky-regex, babel-plugin-transform-strict-mode, babel-plugin-transform-template-literals, babel-plugin-transform-typeof-symbol, babel-plugin-transform-typescript, babel-plugin-transform-unicode-escapes, babel-plugin-transform-unicode-property-regex, babel-plugin-transform-unicode-regex, babel-plugin-transform-unicode-sets-regex, babel-preset-env, babel-preset-flow, babel-preset-react, babel-preset-typescript, babel-register, babel-runtime-corejs3, babel-runtime, babel-standalone, babel-template, babel-traverse, babel-types
      • #16800 [babel 8] Require Node.js ^18.20.0 || ^20.17.0 || >=22.8.0 (@nicolo-ribaudo)
    • babel-generator, babel-parser, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-syntax-typescript, babel-plugin-transform-class-properties, babel-plugin-transform-modules-commonjs, babel-plugin-transform-private-methods, babel-plugin-transform-unicode-sets-regex, babel-traverse
      • #16572 Clean all always enabled parser plugins (@liuxingbaoyu)

    Open source →
20. 8.0.0-alpha.1226 Jul 2024pre-release
    Release notes

    v8.0.0-alpha.12 (2024-07-26)

    In addition to the changelog below, this release includes changes from v7.24.8 to v7.25.0.

    :boom: Breaking Change

    • babel-traverse
      • #16504 [babel 8] Remove methods starting with _ in @babel/traverse (@liuxingbaoyu)

    Committers: 12

    • Amjad Yahia Robeen Hassan (@amjed-98)
    • Artem (@slatereax)
    • Babel Bot (@babel-bot)
    • David Taylor (@davidtaylorhq)
    • Guy Bedford (@guybedford)
    • Huáng Jùnliàng (@JLHwung)
    • Jon Kuperman (@jkup)
    • Nagendran N (@SreeXD)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • Sukka (@SukkaW)
    • @H0onnn
    • @liuxingbaoyu

    Open source →
    Additional notes

    :boom: Breaking Change

    • babel-traverse
      • #16504 [babel 8] Remove methods starting with _ in @babel/traverse (@liuxingbaoyu)

    Open source →
21. 8.0.0-alpha.117 Jun 2024pre-release
    Release notes

    v8.0.0-alpha.11 (2024-06-07)

    In addition to the changelog below, this release includes changes from v7.24.7.

    :boom: Breaking Change

    • babel-core
      • #16561 [babel 8] Remove File.prototype.getModuleName (@nicolo-ribaudo)

    Committers: 6

    • Amjad Yahia Robeen Hassan (@amjed-98)
    • Babel Bot (@babel-bot)
    • Huáng Jùnliàng (@JLHwung)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • Sukka (@SukkaW)
    • @liuxingbaoyu

    Open source →
    Additional notes

    :boom: Breaking Change

    • babel-core
      • #16561 [babel 8] Remove File.prototype.getModuleName (@nicolo-ribaudo)

    Open source →
22. 8.0.0-alpha.104 Jun 2024pre-release
    Release notes

    v8.0.0-alpha.10 (2024-06-04)

    :bug: Bug Fix

    • babel-traverse, babel-types
      • #16544 Improve getBindingIdentifiers (@JLHwung)
    • babel-cli, babel-node
      • #16548 fix Babel 8 commander import (@JLHwung)

    Committers: 1

    • Huáng Jùnliàng (@JLHwung)

    Open source →
    Additional notes

    :bug: Bug Fix

    • babel-traverse, babel-types
      • #16544 Improve getBindingIdentifiers (@JLHwung)
    • babel-cli, babel-node
      • #16548 fix Babel 8 commander import (@JLHwung)

    Open source →
23. 8.0.0-alpha.93 Jun 2024pre-release
    Release notes

    v8.0.0-alpha.9 (2024-06-03)

    In addition to the changelog below, this release includes changes from v7.24.5 and v7.24.6.

    :boom: Breaking Change

    • babel-parser, babel-traverse
      • #16521 [Babel 8] Remove extra.shorthand (@liuxingbaoyu)
    • babel-generator, babel-parser, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-record-and-tuple, babel-plugin-syntax-record-and-tuple, babel-standalone, babel-traverse
      • #16458 Remove syntaxType option for record-and-tuple (parser&plugin) (@JLHwung)
    • Every package
      • #16457 [babel 8] Require Node.js ^18.20.0 || ^20.10.0 || >=21.0.0 (@JLHwung)

    :rocket: New Feature

    • Every package
      • #16416 [babel 8] Publish .d.ts files for every package (@nicolo-ribaudo)

    :house: Internal

    • Every package
      • #16494 Only import types from declared dependencies (@nicolo-ribaudo)
    • babel-cli, babel-node
      • #16517 [Babel 8] Bump commander to 12.1.0 (@JLHwung)
    • babel-cli, babel-helper-transform-fixture-test-runner
      • #16459 [Babel 8] Use more native fs methods (@JLHwung)
    • babel-cli
      • #16450 Bump glob to 10.3.12 (@JLHwung)

    Committers: 11

    • Amjad Yahia Robeen Hassan (@amjed-98)
    • Babel Bot (@babel-bot)
    • Blake Wilson (@blakewilson)
    • Huáng Jùnliàng (@JLHwung)
    • Lucas Coelho (@coelhucas)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • Rom Grk (@romgrk)
    • Sukka (@SukkaW)
    • Zzzen (@Zzzen)
    • @liuxingbaoyu
    • ynnsuis / 장윤수 (@sossost)

    Open source →
    Additional notes

    :boom: Breaking Change

    • babel-parser, babel-traverse
      • #16521 [Babel 8] Remove extra.shorthand (@liuxingbaoyu)
    • babel-generator, babel-parser, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-record-and-tuple, babel-plugin-syntax-record-and-tuple, babel-standalone, babel-traverse
      • #16458 Remove syntaxType option for record-and-tuple (parser&plugin) (@JLHwung)
    • Every package
      • #16457 [babel 8] Require Node.js ^18.20.0 || ^20.10.0 || >=21.0.0 (@JLHwung)

    :rocket: New Feature

    • Every package
      • #16416 [babel 8] Publish .d.ts files for every package (@nicolo-ribaudo)

    :house: Internal

    • Every package
      • #16494 Only import types from declared dependencies (@nicolo-ribaudo)
    • babel-cli, babel-node
      • #16517 [Babel 8] Bump commander to 12.1.0 (@JLHwung)
    • babel-cli, babel-helper-transform-fixture-test-runner
      • #16459 [Babel 8] Use more native fs methods (@JLHwung)
    • babel-cli
      • #16450 Bump glob to 10.3.12 (@JLHwung)

    Open source →
24. 8.0.0-alpha.84 Apr 2024pre-release
    Release notes

    v8.0.0-alpha.8 (2024-04-04)

    In addition to the changelog below, this release includes changes from v7.24.1, v7.24.2, v7.24.3, and v7.24.4.

    :boom: Breaking Change

    • babel-plugin-transform-runtime, babel-runtime-corejs3
      • #16347 Remove core-js and regenerator entrypoints from @babel/runtime-* (@nicolo-ribaudo)
    • babel-plugin-transform-runtime
      • #16346 Remove ./helpers/esm exports from @babel/runtime and drop Node.js 13.0-13.1 (@nicolo-ribaudo)
    • babel-plugin-transform-runtime, babel-plugin-transform-typeof-symbol, babel-runtime-corejs2
      • #16311 [babel 8] Cleanup plugin-transform-runtime options (@nicolo-ribaudo)

    :nail_care: Polish

    • babel-plugin-transform-typescript
      • #16396 [babel 8] Turn const enums into const variables (@samualtnorman)

    :house: Internal

    • babel-core
      • #16365 [babel 8] Remove import_ fallback (@nicolo-ribaudo)
    • babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs3, babel-runtime, babel-standalone
      • #16323 Allow separate helpers to be excluded in Babel 8 (@liuxingbaoyu)
    • babel-helper-plugin-test-runner
      • #16330 Add missing "type": "module" to helper-plugin-test-runner (@nicolo-ribaudo)
    • babel-compat-data, babel-plugin-transform-object-rest-spread, babel-preset-env
      • #16318 [babel 8] Fix @babel/compat-data package.json (@nicolo-ribaudo)

    Committers: 8

    • Babel Bot (@babel-bot)
    • Dunqing (@Dunqing)
    • Huáng Jùnliàng (@JLHwung)
    • Luís Reis (@luiscubal)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • Samual Norman (@samualtnorman)
    • Yosuke Ota (@ota-meshi)
    • @liuxingbaoyu

    Open source →
    Additional notes

    :boom: Breaking Change

    • babel-plugin-transform-runtime, babel-runtime-corejs3
      • #16347 Remove core-js and regenerator entrypoints from @babel/runtime-* (@nicolo-ribaudo)
    • babel-plugin-transform-runtime
      • #16346 Remove ./helpers/esm exports from @babel/runtime and drop Node.js 13.0-13.1 (@nicolo-ribaudo)
    • babel-plugin-transform-runtime, babel-plugin-transform-typeof-symbol, babel-runtime-corejs2
      • #16311 [babel 8] Cleanup plugin-transform-runtime options (@nicolo-ribaudo)

    :nail_care: Polish

    • babel-plugin-transform-typescript
      • #16396 [babel 8] Turn const enums into const variables (@samualtnorman)

    :house: Internal

    • babel-core
      • #16365 [babel 8] Remove import_ fallback (@nicolo-ribaudo)
    • babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs3, babel-runtime, babel-standalone
      • #16323 Allow separate helpers to be excluded in Babel 8 (@liuxingbaoyu)
    • babel-helper-plugin-test-runner
      • #16330 Add missing "type": "module" to helper-plugin-test-runner (@nicolo-ribaudo)
    • babel-compat-data, babel-plugin-transform-object-rest-spread, babel-preset-env
      • #16318 [babel 8] Fix @babel/compat-data package.json (@nicolo-ribaudo)

    Open source →
25. 8.0.0-alpha.728 Feb 2024pre-release
    Release notes

    v8.0.0-alpha.7 (2024-02-28)

    In addition to the changelog below, this release includes changes from v7.23.10 and v7.24.0.

    :house: Internal

    • babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
      • #16256 Remove logic for deprecated decorator versions from Babel 8 (@JLHwung)
    • babel-core, babel-helper-fixtures, babel-helper-plugin-utils, babel-helper-transform-fixture-test-runner, babel-parser, babel-plugin-transform-runtime, babel-preset-env, babel-standalone, babel-template, babel-traverse, babel-types
      • #16248 Use Object.hasOwn when available (@nicolo-ribaudo)
    • babel-core, babel-plugin-transform-object-rest-spread
      • #16209 chore: Helper changes for Babel 8 (@liuxingbaoyu)

    Committers: 7

    • Babel Bot (@babel-bot)
    • Huáng Jùnliàng (@JLHwung)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • SUZUKI Sosuke (@sosukesuzuki)
    • Yarden Shoham (@yardenshoham)
    • @liuxingbaoyu
    • flyafly (@ajihyf)

    Open source →
    Additional notes

    :house: Internal

    • babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
      • #16256 Remove logic for deprecated decorator versions from Babel 8 (@JLHwung)
    • babel-core, babel-helper-fixtures, babel-helper-plugin-utils, babel-helper-transform-fixture-test-runner, babel-parser, babel-plugin-transform-runtime, babel-preset-env, babel-standalone, babel-template, babel-traverse, babel-types
      • #16248 Use Object.hasOwn when available (@nicolo-ribaudo)
    • babel-core, babel-plugin-transform-object-rest-spread
      • #16209 chore: Helper changes for Babel 8 (@liuxingbaoyu)

    Open source →
26. 8.0.0-alpha.626 Jan 2024pre-release
    Release notes

    v8.0.0-alpha.6 (2024-01-26)

    In addition to the changelog below, this release includes changes from v7.23.7, v7.23.8, and v7.23.9.

    :nail_care: Polish

    • babel-register
      • #16005 Use @cspotcode/source-map-support in @babel/register (@liuxingbaoyu)

    Committers: 5

    • Babel Bot (@babel-bot)
    • Huáng Jùnliàng (@JLHwung)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • @liuxingbaoyu
    • coderaiser (@coderaiser)

    Open source →
    Additional notes

    :nail_care: Polish

    • babel-register
      • #16005 Use @cspotcode/source-map-support in @babel/register (@liuxingbaoyu)

    Open source →
27. 8.0.0-alpha.511 Dec 2023pre-release
    Release notes

    v8.0.0-alpha.5 (2023-12-11)

    This release also includes all changes from v7.23.3, v7.23.4, v7.23.5, and v7.23.6.

    :boom: Breaking Change

    • babel-plugin-transform-runtime
      • #16141 [babel 8] Remove useESModules option (@nicolo-ribaudo)
      • #16063 [babel 8] Remove core-js@2 & regenerator from transform-runtime (@nicolo-ribaudo)
    • babel-helper-create-class-features-plugin, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-preset-env
      • #16043 [babel 8] Remove loose and spec options from preset-env (@nicolo-ribaudo)
    • babel-core, babel-generator, babel-types
      • #16126 [babel 8] Remove CodeGenerator from @babel/generator (@liuxingbaoyu)
    • babel-parser
      • #16114 Breaking: parserOpts.createImportExpressions defaults to true (@JLHwung)
    • babel-traverse, babel-types
      • #16057 [babel 8] Inline toSequenceExpression into @babel/traverse (@nicolo-ribaudo)
    • babel-preset-env
      • #15989 [babel 8] Remove getModulesPluginNames (@nicolo-ribaudo)
    • babel-core, babel-preset-env
      • #15838 [babel 8] Remove core-js 2 and regenerator from preset-env (@nicolo-ribaudo)

    :nail_care: Polish

    • babel-helper-validator-option, babel-plugin-transform-object-rest-spread, babel-plugin-transform-runtime, babel-preset-env, babel-standalone
      • #16095 [babel 8] Enforce specifying proper core-js version (@liuxingbaoyu)

    :house: Internal

    • babel-core, all plugins and presets
      • #15955 Require exact Babel 8 version in assertVersion (@nicolo-ribaudo)

    Committers: 12

    • Babel Bot (@babel-bot)
    • Colin (@colinaaa)
    • Hugo Martinez (@martinez-hugo)
    • Huáng Jùnliàng (@JLHwung)
    • Mateusz Burzyński (@Andarist)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • Odin Hørthe-Omdal Urdland (@odinho)
    • @aryehb
    • @liuxingbaoyu
    • @magic-akari
    • @yepitschunked
    • fisker Cheung (@fisker)

    Open source →
    Additional notes

    :boom: Breaking Change

    • babel-plugin-transform-runtime
      • #16141 [babel 8] Remove useESModules option (@nicolo-ribaudo)
      • #16063 [babel 8] Remove core-js@2 & regenerator from transform-runtime (@nicolo-ribaudo)
    • babel-helper-create-class-features-plugin, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-preset-env
      • #16043 [babel 8] Remove loose and spec options from preset-env (@nicolo-ribaudo)
    • babel-core, babel-generator, babel-types
      • #16126 [babel 8] Remove CodeGenerator from @babel/generator (@liuxingbaoyu)
    • babel-parser
      • #16114 Breaking: parserOpts.createImportExpressions defaults to true (@JLHwung)
    • babel-traverse, babel-types
      • #16057 [babel 8] Inline toSequenceExpression into @babel/traverse (@nicolo-ribaudo)
    • babel-preset-env
      • #15989 [babel 8] Remove getModulesPluginNames (@nicolo-ribaudo)
    • babel-core, babel-preset-env
      • #15838 [babel 8] Remove core-js 2 and regenerator from preset-env (@nicolo-ribaudo)

    :nail_care: Polish

    • babel-helper-validator-option, babel-plugin-transform-object-rest-spread, babel-plugin-transform-runtime, babel-preset-env, babel-standalone
      • #16095 [babel 8] Enforce specifying proper core-js version (@liuxingbaoyu)

    :house: Internal

    • babel-core, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-external-helpers, babel-plugin-proposal-async-do-expressions, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-plugin-proposal-duplicate-named-capturing-groups-regex, babel-plugin-proposal-explicit-resource-management, babel-plugin-proposal-export-default-from, babel-plugin-proposal-function-bind, babel-plugin-proposal-function-sent, babel-plugin-proposal-import-attributes-to-assertions, babel-plugin-proposal-partial-application, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-record-and-tuple, babel-plugin-proposal-regexp-modifiers, babel-plugin-proposal-throw-expressions, babel-plugin-syntax-async-do-expressions, babel-plugin-syntax-decimal, babel-plugin-syntax-decorators, babel-plugin-syntax-destructuring-private, babel-plugin-syntax-do-expressions, babel-plugin-syntax-explicit-resource-management, babel-plugin-syntax-export-default-from, babel-plugin-syntax-flow, babel-plugin-syntax-function-bind, babel-plugin-syntax-function-sent, babel-plugin-syntax-import-assertions, babel-plugin-syntax-import-attributes, babel-plugin-syntax-import-reflection, babel-plugin-syntax-jsx, babel-plugin-syntax-module-blocks, babel-plugin-syntax-partial-application, babel-plugin-syntax-pipeline-operator, babel-plugin-syntax-record-and-tuple, babel-plugin-syntax-throw-expressions, babel-plugin-syntax-typescript, babel-plugin-transform-arrow-functions, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoped-functions, babel-plugin-transform-block-scoping, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-classes, babel-plugin-transform-computed-properties, babel-plugin-transform-destructuring, babel-plugin-transform-dotall-regex, babel-plugin-transform-duplicate-keys, babel-plugin-transform-dynamic-import, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-export-namespace-from, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-for-of, babel-plugin-transform-function-name, babel-plugin-transform-instanceof, babel-plugin-transform-jscript, babel-plugin-transform-json-strings, babel-plugin-transform-literals, babel-plugin-transform-logical-assignment-operators, babel-plugin-transform-member-expression-literals, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-plugin-transform-new-target, babel-plugin-transform-nullish-coalescing-operator, babel-plugin-transform-numeric-separator, babel-plugin-transform-object-assign, babel-plugin-transform-object-rest-spread, babel-plugin-transform-object-set-prototype-of-to-assign, babel-plugin-transform-object-super, babel-plugin-transform-optional-catch-binding, babel-plugin-transform-optional-chaining, babel-plugin-transform-parameters, babel-plugin-transform-private-methods, babel-plugin-transform-private-property-in-object, babel-plugin-transform-property-literals, babel-plugin-transform-property-mutators, babel-plugin-transform-proto-to-assign, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-display-name, babel-plugin-transform-react-inline-elements, babel-plugin-transform-react-jsx-compat, babel-plugin-transform-react-jsx-self, babel-plugin-transform-react-jsx-source, babel-plugin-transform-react-pure-annotations, babel-plugin-transform-regenerator, babel-plugin-transform-reserved-words, babel-plugin-transform-runtime, babel-plugin-transform-shorthand-properties, babel-plugin-transform-spread, babel-plugin-transform-sticky-regex, babel-plugin-transform-strict-mode, babel-plugin-transform-template-literals, babel-plugin-transform-typeof-symbol, babel-plugin-transform-typescript, babel-plugin-transform-unicode-escapes, babel-plugin-transform-unicode-property-regex, babel-plugin-transform-unicode-regex, babel-plugin-transform-unicode-sets-regex, babel-preset-env, babel-preset-flow, babel-preset-react, babel-preset-typescript
      • #15955 Require exact Babel 8 version in assertVersion (@nicolo-ribaudo)

    Open source →
28. 8.0.0-alpha.412 Oct 2023pre-release
    Release notes

    v8.0.0-alpha.4 (2023-10-11)

    This release does not include any changes specific to Babel 8, but it ports all the recent Babel 7 commits to Babel 8.

    Open source →
    Additional notes

    This release does not include any changes specific to Babel 8, but it ports all the recent Babel 7 commits to Babel 8.

    Open source →
29. 8.0.0-alpha.326 Sept 2023pre-release
    Release notes

    v8.0.0-alpha.3 (2023-09-26)

    :boom: Breaking Change

    • babel-node
      • #15956 [babel 8] Remove -d/-gc babel-node aliases (@nicolo-ribaudo)
    • babel-core
      • #15869 Disallow sync createConfigItem, loadPartialConfig, loadOptions usage (@JLHwung)

    :house: Internal

    • babel-code-frame, babel-highlight
      • #15792 [babel 8] Use ESM-based chalk@5 (@nicolo-ribaudo)

    Committers: 4

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

    Open source →
    Additional notes

    :boom: Breaking Change

    • babel-node
      • #15956 [babel 8] Remove -d/-gc babel-node aliases (@nicolo-ribaudo)
    • babel-core
      • #15869 Disallow sync createConfigItem, loadPartialConfig, loadOptions usage (@JLHwung)

    :house: Internal

    • babel-code-frame, babel-highlight
      • #15792 [babel 8] Use ESM-based chalk@5 (@nicolo-ribaudo)

    Open source →
30. 8.0.0-alpha.29 Aug 2023pre-release
    Release notes

    v8.0.0-alpha.2 (2023-08-09)

    :bug: Bug Fix

    • babel-core, babel-traverse
      • #15759 [babel 8] Reland "Use NodePath#hub as part of the paths cache key" (@nicolo-ribaudo)

    :nail_care: Polish

    • babel-preset-typescript
      • #15847 Provide better error message when allowDeclareFields is enabled (@JLHwung)

    :house: Internal

    • babel-helper-create-class-features-plugin, babel-plugin-transform-async-generator-functions, babel-plugin-transform-class-static-block, babel-plugin-transform-dynamic-import, babel-plugin-transform-export-namespace-from, babel-plugin-transform-json-strings, babel-plugin-transform-logical-assignment-operators, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-nullish-coalescing-operator, babel-plugin-transform-numeric-separator, babel-plugin-transform-object-rest-spread, babel-plugin-transform-optional-catch-binding, babel-plugin-transform-optional-chaining, babel-plugin-transform-private-property-in-object
      • #15823 Do not use syntax plugins for syntax enabled by default (@nicolo-ribaudo)
    • babel-code-frame, babel-highlight
      • #15814 [babel 8] Use chalk@4 (@nicolo-ribaudo)

    Open source →
    Additional notes

    :bug: Bug Fix

    • babel-core, babel-traverse
      • #15759 [babel 8] Reland "Use NodePath#hub as part of the paths cache key" (@nicolo-ribaudo)

    :nail_care: Polish

    • babel-preset-typescript
      • #15847 Provide better error message when allowDeclareFields is enabled (@JLHwung)

    :house: Internal

    • babel-helper-create-class-features-plugin, babel-plugin-transform-async-generator-functions, babel-plugin-transform-class-static-block, babel-plugin-transform-dynamic-import, babel-plugin-transform-export-namespace-from, babel-plugin-transform-json-strings, babel-plugin-transform-logical-assignment-operators, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-nullish-coalescing-operator, babel-plugin-transform-numeric-separator, babel-plugin-transform-object-rest-spread, babel-plugin-transform-optional-catch-binding, babel-plugin-transform-optional-chaining, babel-plugin-transform-private-property-in-object
      • #15823 Do not use syntax plugins for syntax enabled by default (@nicolo-ribaudo)
    • babel-code-frame, babel-highlight
      • #15814 [babel 8] Use chalk@4 (@nicolo-ribaudo)

    Open source →
31. 8.0.0-alpha.124 Jul 2023pre-release
    Release notes

    v8.0.0-alpha.1 (2023-07-24)

    NOTE: We had to re-generate this git tag, but the release has been published two weeks ago

    This releases fixes @babel/cli and compatibility with babel-loader. It also some of the peer dependencies warning.

    💥 Breaking Change

    • babel-types
      • #15802 Numeric literals must be finite and non-negative (@nicolo-ribaudo)
    • babel-highlight, babel-code-frame
      • #15812 Remove getChalk function (@nicolo-ribaudo)

    :bug: Bug Fix

    • babel-cli
      • #15806 Make @babel/cli bin work with ESM (@nicolo-ribaudo)
    • babel-core
      • #15809 Make .version directly available in cjs proxy (@nicolo-ribaudo)

    :house: Internal

    • babel-preset-env
      • #15810 Remove default syntax plugins from preset-env (@nicolo-ribaudo)

    Open source →
32. 8.0.0-alpha.020 Jul 2023pre-release
    Release notes

    Super early pre-release of Babel 8 :)

    It's currently known to not work with:

    • @babel/cli - see https://github.com/babel/babel/issues/15803
    • babel-loader - see https://github.com/babel/babel/issues/15804

    It is known to work with:

    • @rollup/plugin-babel

    peerDependencies are all incorrect, so use the npm flag --legacy-peer-deps if you want to test it.

    For the full Babel 8 migration guide, see https://next.babeljs.io/docs/v8-migration

    v8.0.0-alpha.0 (2023-07-20)

    :eyeglasses: Spec Compliance

    • babel-parser
      • #12451 [babel 8] Report a SyntaxError for } and > in JSX text (@nicolo-ribaudo)
      • #12447 [babel 8] Disallow sequence expressions in JSX expression containers (@nicolo-ribaudo)

    :boom: Breaking Change

    • Other
      • #15763 [babel 8] Bump eslint-parser/plugin eslint requirements (@JLHwung)
      • #13921 [babel 8] Align allow* parser options with ESLint behavior (@nicolo-ribaudo)
    • All packages
      • #15585 [babel 8] Require Node.js ^16.20.0 || ^18.16.0 || >=20.0.0 (@nicolo-ribaudo)
      • #14013 [babel 8] Add "exports" to every package (@nicolo-ribaudo)
    • babel-plugin-proposal-decorators, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-class-properties
      • #15676 [babel 8] Only support legacy and 2023-05 decorators (@nicolo-ribaudo)
    • babel-core, babel-helper-create-class-features-plugin, babel-plugin-transform-arrow-functions, babel-plugin-transform-computed-properties, babel-plugin-transform-for-of, babel-plugin-transform-regenerator, babel-plugin-transform-unicode-escapes, babel-preset-env, babel-traverse, babel-types
      • #15576 [babel 8] Other Babel 8 misc changes (@nicolo-ribaudo)
    • babel-core, babel-helper-builder-binary-assignment-operator-visitor, babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin, babel-helper-environment-visitor, babel-helper-member-expression-to-functions, babel-helper-module-transforms, babel-helper-plugin-utils, babel-helper-replace-supers, babel-helper-simple-access, babel-helper-string-parser, babel-helper-transform-fixture-test-runner, babel-helpers, babel-plugin-transform-modules-commonjs, babel-preset-env
      • #15550 More misc Babel 8 little changes (@nicolo-ribaudo)
    • babel-cli, babel-compat-data, babel-core, babel-helper-create-class-features-plugin, babel-helper-environment-visitor, babel-helper-replace-supers, babel-helpers, babel-parser, babel-plugin-transform-for-of, babel-plugin-transform-react-jsx, babel-preset-env, babel-traverse, babel-types
      • #15068 Babel 8 misc changes (@JLHwung)
    • babel-types
      • #15527 [babel 8] Remove builders present only for backwards-compatibility (@nicolo-ribaudo)
      • #14464 [babel 8] Remove selfClosing from jsxElement builder (@wjw99830)
    • babel-core, babel-plugin-syntax-flow, babel-plugin-syntax-jsx, babel-plugin-syntax-typescript, babel-plugin-transform-parameters, babel-plugin-transform-react-jsx-development, babel-plugin-transform-spread, babel-plugin-transform-typescript, babel-preset-flow, babel-preset-typescript, babel-standalone
      • #14955 [babel 8] Better file ext handling for TS and Flow presets (@nicolo-ribaudo)
    • babel-traverse
      • #15288 [babel 8] Remove block argument from Scope#rename (@nicolo-ribaudo)
    • babel-generator, babel-helper-compilation-targets, babel-preset-env, babel-preset-flow, babel-types
      • #14179 Bundle most packages in Babel 8 (@JLHwung)
    • babel-generator, babel-helper-builder-binary-assignment-operator-visitor, babel-helper-create-class-features-plugin, babel-helper-member-expression-to-functions, babel-helper-skip-transparent-expression-wrappers, babel-plugin-proposal-function-bind, babel-plugin-proposal-logical-assignment-operators, babel-plugin-proposal-optional-chaining, babel-plugin-proposal-partial-application, babel-plugin-transform-proto-to-assign, babel-plugin-transform-spread, babel-traverse, babel-types
      • #14750 Remove Super from Expression alias (@JLHwung)
    • babel-core, babel-generator, babel-helper-create-class-features-plugin, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-proposal-pipeline-operator, babel-plugin-syntax-decorators, babel-plugin-transform-function-name, babel-plugin-transform-typescript, babel-standalone
      • #12712 [babel 8] Remove support for the 2018-09 decorators proposal (@nicolo-ribaudo)
    • babel-core, babel-helper-module-imports, babel-helper-transform-fixture-test-runner, babel-node, babel-plugin-proposal-class-static-block, babel-plugin-syntax-decorators, babel-plugin-transform-modules-commonjs, babel-plugin-transform-runtime, babel-standalone
      • #12695 [babel 8] Disallow synchronous usage of babel.* callback methods (@JLHwung)
    • babel-generator, babel-types
      • #14465 [babel 8] ObjectTypeAnnotation fields must always be arrays (@danez)
      • #12361 [babel 8] Remove the Noop node type (@sidntrivedi012)
    • babel-generator, babel-parser, babel-types
      • #13709 [babel 8] fix properties name for function-like TS nodes (@sosukesuzuki)
      • #12829 [babel 8] Use an identifier for TSTypeParameter.name (@fedeci)
    • babel-node, babel-register
      • #14025 [babel 8] Move @babel/register transform to a separate worker (@nicolo-ribaudo)
    • babel-parser
      • #13919 Improve template tokenizing (@JLHwung)
      • #13752 [babel 8] Materialize ESTree's classFeatures option (@nicolo-ribaudo)
    • babel-plugin-transform-react-constant-elements, babel-preset-env
      • #13866 [babel 8] Enable preset-env bugfixes by default (@JLHwung)
    • babel-core
      • #13199 [babel 8] Move ESLint parsing to a Worker (@nicolo-ribaudo)
    • babel-generator, babel-parser
      • #13308 [Babel 8]: remove module attributes parser/generator support (@JLHwung)
      • #12608 [babel 8] Don't create TSParenthesizedType nodes by default (@JLHwung)
    • babel-plugin-transform-block-scoping, babel-traverse
      • #13291 [babel 8] Do not skip requeued paths (@JLHwung)
    • babel-cli, babel-core, babel-helper-module-transforms, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd
      • #12724 [babel 8] Remove module-specific options from @babel/core (@nicolo-ribaudo)
    • babel-preset-react
      • #12741 [babel 8] Type checking preset-react options (@JLHwung)
    • babel-preset-flow
      • #12751 [babel 8] type checking preset-flow options (@JLHwung)
    • babel-core, babel-helper-compilation-targets, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-proposal-object-rest-spread, babel-plugin-transform-classes, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-function-name, babel-plugin-transform-modules-commonjs, babel-plugin-transform-parameters, babel-plugin-transform-react-constant-elements, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-standalone
      • #12989 breaking: fallback targets to "defaults, not ie 11" (@JLHwung)
    • babel-plugin-proposal-dynamic-import, babel-plugin-transform-modules-systemjs
      • #12700 Require @babel/plugin-proposal-dynamic-import when transforming import() to SystemJS (@JLHwung)
    • babel-generator, babel-plugin-transform-react-jsx, babel-plugin-transform-template-literals, babel-plugin-transform-unicode-escapes
      • #12675 [babel 8] Output minimal strings by default (@JLHwung)
    • babel-code-frame, babel-highlight
      • #12660 [babel 8] Improve syntax highlighting (@nicolo-ribaudo)
    • babel-node, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-inline-elements, babel-plugin-transform-react-jsx, babel-plugin-transform-regenerator, babel-preset-react, babel-preset-typescript, babel-standalone
      • #12630 [babel 8] Use the JSX automatic runtime by default (@nicolo-ribaudo)
    • babel-helper-builder-react-jsx, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-preset-react
      • #12593 [babel 8] Remove useSpread and useBuiltIns jsx options (@nicolo-ribaudo)
    • babel-preset-env
      • #12594 [babel 8] Remove uglify target support in preset-env (@nicolo-ribaudo)
    • babel-plugin-proposal-class-properties, babel-plugin-transform-typescript, babel-preset-typescript
      • #12461 [babel 8] Enable allowDeclareFields option by default with TS (@nicolo-ribaudo)
    • babel-preset-typescript
      • #12460 Type checking preset-typescript options (@JLHwung)
    • babel-generator
      • #12477 [babel 8] Remove the jsonCompatibleStrings option (@nicolo-ribaudo)
    • babel-helper-fixtures, babel-plugin-transform-flow-strip-types
      • #12457 [babel 8] Enable allowDeclareFields option by default w/ Flow (@nicolo-ribaudo)

    :rocket: New Feature

    • babel-helper-compilation-targets
      • #15551 use browserslist's defaults as default targets (@JLHwung)

    :bug: Bug Fix

    • babel-helper-fixtures, babel-preset-typescript
      • #15562 [Babel 8] fix ignoreExtensions behaviour (@JLHwung)

    :house: Internal

    • babel-plugin-transform-runtime
      • #15528 [babel 8] regeneratorRuntime helper is always available (@nicolo-ribaudo)
    • babel-core
      • #15526 [babel 8] Remove old error plugin mappings for default syntax (@nicolo-ribaudo)
    • Other
      • #14949 Fix prepublish build of Babel 8 with ESM (@nicolo-ribaudo)
      • #14872 Use the built-in class fields and private methods rules in ESLint 8 (@JLHwung)
    • babel-plugin-transform-modules-commonjs, babel-plugin-transform-runtime
      • #14120 [babel 8] Remove @babel/runtime@<=7.13.0 compat check (@nicolo-ribaudo)
    • babel-cli
      • #14119 [babel 8] Remove @nicolo-ribaudo/chokidar-2 fallback (@nicolo-ribaudo)
    • babel-cli, babel-node, babel-plugin-transform-runtime, babel-register
      • #13828 [babel 8] Remove make-dir polyfill for fs.mkdirSync (@nicolo-ribaudo)
      • #12458 Use native Node.js functions when available (@nicolo-ribaudo)
    • babel-parser
      • #13768 Store token type as number (@JLHwung)
      • #13294 fix(parser): [Babel8] Align error codes between Flow and TypeScript (@sosukesuzuki)
    • babel-plugin-proposal-partial-application, babel-types
      • #13407 [Babel 8] Remove optional field from MemberExpression (@danez)
    • babel-core, babel-helper-transform-fixture-test-runner, babel-register
      • #12677 [babel 8] Replace lodash/escapeRegExp with escape-string-regexp (@hzoo)
    • babel-cli, babel-plugin-transform-classes, babel-register, babel-traverse
      • #12656 [babel 8] Update globals, find-cache-dir and slash (@nicolo-ribaudo)
    • babel-plugin-syntax-typescript
      • #12607 chore: do not push objectRestSpread parser option in Babel 8 (@JLHwung)

    Open source →
    Additional notes

    :eyeglasses: Spec Compliance

    • babel-parser
      • #12451 [babel 8] Report a SyntaxError for } and > in JSX text (@nicolo-ribaudo)
      • #12447 [babel 8] Disallow sequence expressions in JSX expression containers (@nicolo-ribaudo)

    :boom: Breaking Change

    • Other
      • #15763 [babel 8] Bump eslint-parser/plugin eslint requirements (@JLHwung)
      • #13921 [babel 8] Align allow* parser options with ESLint behavior (@nicolo-ribaudo)
    • All packages
      • #15585 [babel 8] Require Node.js ^16.20.0 || ^18.16.0 || >=20.0.0 (@nicolo-ribaudo)
      • #14013 [babel 8] Add "exports" to every package (@nicolo-ribaudo)
    • babel-plugin-proposal-decorators, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-class-properties
      • #15676 [babel 8] Only support legacy and 2023-05 decorators (@nicolo-ribaudo)
    • babel-core, babel-helper-create-class-features-plugin, babel-plugin-transform-arrow-functions, babel-plugin-transform-computed-properties, babel-plugin-transform-for-of, babel-plugin-transform-regenerator, babel-plugin-transform-unicode-escapes, babel-preset-env, babel-traverse, babel-types
      • #15576 [babel 8] Other Babel 8 misc changes (@nicolo-ribaudo)
    • babel-core, babel-helper-builder-binary-assignment-operator-visitor, babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin, babel-helper-environment-visitor, babel-helper-member-expression-to-functions, babel-helper-module-transforms, babel-helper-plugin-utils, babel-helper-replace-supers, babel-helper-simple-access, babel-helper-string-parser, babel-helper-transform-fixture-test-runner, babel-helpers, babel-plugin-transform-modules-commonjs, babel-preset-env
      • #15550 More misc Babel 8 little changes (@nicolo-ribaudo)
    • babel-cli, babel-compat-data, babel-core, babel-helper-create-class-features-plugin, babel-helper-environment-visitor, babel-helper-replace-supers, babel-helpers, babel-parser, babel-plugin-transform-for-of, babel-plugin-transform-react-jsx, babel-preset-env, babel-traverse, babel-types
      • #15068 Babel 8 misc changes (@JLHwung)
    • babel-types
      • #15527 [babel 8] Remove builders present only for backwards-compatibility (@nicolo-ribaudo)
      • #14464 [babel 8] Remove selfClosing from jsxElement builder (@wjw99830)
    • babel-core, babel-plugin-syntax-flow, babel-plugin-syntax-jsx, babel-plugin-syntax-typescript, babel-plugin-transform-parameters, babel-plugin-transform-react-jsx-development, babel-plugin-transform-spread, babel-plugin-transform-typescript, babel-preset-flow, babel-preset-typescript, babel-standalone
      • #14955 [babel 8] Better file ext handling for TS and Flow presets (@nicolo-ribaudo)
    • babel-traverse
      • #15288 [babel 8] Remove block argument from Scope#rename (@nicolo-ribaudo)
    • babel-generator, babel-helper-compilation-targets, babel-preset-env, babel-preset-flow, babel-types
      • #14179 Bundle most packages in Babel 8 (@JLHwung)
    • babel-generator, babel-helper-builder-binary-assignment-operator-visitor, babel-helper-create-class-features-plugin, babel-helper-member-expression-to-functions, babel-helper-skip-transparent-expression-wrappers, babel-plugin-proposal-function-bind, babel-plugin-proposal-logical-assignment-operators, babel-plugin-proposal-optional-chaining, babel-plugin-proposal-partial-application, babel-plugin-transform-proto-to-assign, babel-plugin-transform-spread, babel-traverse, babel-types
      • #14750 Remove Super from Expression alias (@JLHwung)
    • babel-core, babel-generator, babel-helper-create-class-features-plugin, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-proposal-pipeline-operator, babel-plugin-syntax-decorators, babel-plugin-transform-function-name, babel-plugin-transform-typescript, babel-standalone
      • #12712 [babel 8] Remove support for the 2018-09 decorators proposal (@nicolo-ribaudo)
    • babel-core, babel-helper-module-imports, babel-helper-transform-fixture-test-runner, babel-node, babel-plugin-proposal-class-static-block, babel-plugin-syntax-decorators, babel-plugin-transform-modules-commonjs, babel-plugin-transform-runtime, babel-standalone
      • #12695 [babel 8] Disallow synchronous usage of babel.* callback methods (@JLHwung)
    • babel-generator, babel-types
      • #14465 [babel 8] ObjectTypeAnnotation fields must always be arrays (@danez)
      • #12361 [babel 8] Remove the Noop node type (@sidntrivedi012)
    • babel-generator, babel-parser, babel-types
      • #13709 [babel 8] fix properties name for function-like TS nodes (@sosukesuzuki)
      • #12829 [babel 8] Use an identifier for TSTypeParameter.name (@fedeci)
    • babel-node, babel-register
      • #14025 [babel 8] Move @babel/register transform to a separate worker (@nicolo-ribaudo)
    • babel-parser
      • #13919 Improve template tokenizing (@JLHwung)
      • #13752 [babel 8] Materialize ESTree's classFeatures option (@nicolo-ribaudo)
    • babel-plugin-transform-react-constant-elements, babel-preset-env
      • #13866 [babel 8] Enable preset-env bugfixes by default (@JLHwung)
    • babel-core
      • #13199 [babel 8] Move ESLint parsing to a Worker (@nicolo-ribaudo)
    • babel-generator, babel-parser
      • #13308 [Babel 8]: remove module attributes parser/generator support (@JLHwung)
      • #12608 [babel 8] Don't create TSParenthesizedType nodes by default (@JLHwung)
    • babel-plugin-transform-block-scoping, babel-traverse
      • #13291 [babel 8] Do not skip requeued paths (@JLHwung)
    • babel-cli, babel-core, babel-helper-module-transforms, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd
      • #12724 [babel 8] Remove module-specific options from @babel/core (@nicolo-ribaudo)
    • babel-preset-react
      • #12741 [babel 8] Type checking preset-react options (@JLHwung)
    • babel-preset-flow
      • #12751 [babel 8] type checking preset-flow options (@JLHwung)
    • babel-core, babel-helper-compilation-targets, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-proposal-object-rest-spread, babel-plugin-transform-classes, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-function-name, babel-plugin-transform-modules-commonjs, babel-plugin-transform-parameters, babel-plugin-transform-react-constant-elements, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-standalone
      • #12989 breaking: fallback targets to "defaults, not ie 11" (@JLHwung)
    • babel-plugin-proposal-dynamic-import, babel-plugin-transform-modules-systemjs
      • #12700 Require @babel/plugin-proposal-dynamic-import when transforming import() to SystemJS (@JLHwung)
    • babel-generator, babel-plugin-transform-react-jsx, babel-plugin-transform-template-literals, babel-plugin-transform-unicode-escapes
      • #12675 [babel 8] Output minimal strings by default (@JLHwung)
    • babel-code-frame, babel-highlight
      • #12660 [babel 8] Improve syntax highlighting (@nicolo-ribaudo)
    • babel-node, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-inline-elements, babel-plugin-transform-react-jsx, babel-plugin-transform-regenerator, babel-preset-react, babel-preset-typescript, babel-standalone
      • #12630 [babel 8] Use the JSX automatic runtime by default (@nicolo-ribaudo)
    • babel-helper-builder-react-jsx, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-preset-react
      • #12593 [babel 8] Remove useSpread and useBuiltIns jsx options (@nicolo-ribaudo)
    • babel-preset-env
      • #12594 [babel 8] Remove uglify target support in preset-env (@nicolo-ribaudo)
    • babel-plugin-proposal-class-properties, babel-plugin-transform-typescript, babel-preset-typescript
      • #12461 [babel 8] Enable allowDeclareFields option by default with TS (@nicolo-ribaudo)
    • babel-preset-typescript
      • #12460 Type checking preset-typescript options (@JLHwung)
    • babel-generator
      • #12477 [babel 8] Remove the jsonCompatibleStrings option (@nicolo-ribaudo)
    • babel-helper-fixtures, babel-plugin-transform-flow-strip-types
      • #12457 [babel 8] Enable allowDeclareFields option by default w/ Flow (@nicolo-ribaudo)

    :rocket: New Feature

    • babel-helper-compilation-targets
      • #15551 use browserslist's defaults as default targets (@JLHwung)

    :bug: Bug Fix

    • babel-helper-fixtures, babel-preset-typescript
      • #15562 [Babel 8] fix ignoreExtensions behaviour (@JLHwung)

    :house: Internal

    • babel-plugin-transform-runtime
      • #15528 [babel 8] regeneratorRuntime helper is always available (@nicolo-ribaudo)
    • babel-core
      • #15526 [babel 8] Remove old error plugin mappings for default syntax (@nicolo-ribaudo)
    • Other
      • #14949 Fix prepublish build of Babel 8 with ESM (@nicolo-ribaudo)
      • #14872 Use the built-in class fields and private methods rules in ESLint 8 (@JLHwung)
    • babel-plugin-transform-modules-commonjs, babel-plugin-transform-runtime
      • #14120 [babel 8] Remove @babel/runtime@<=7.13.0 compat check (@nicolo-ribaudo)
    • babel-cli
      • #14119 [babel 8] Remove @nicolo-ribaudo/chokidar-2 fallback (@nicolo-ribaudo)
    • babel-cli, babel-node, babel-plugin-transform-runtime, babel-register
      • #13828 [babel 8] Remove make-dir polyfill for fs.mkdirSync (@nicolo-ribaudo)
      • #12458 Use native Node.js functions when available (@nicolo-ribaudo)
    • babel-parser
      • #13768 Store token type as number (@JLHwung)
      • #13294 fix(parser): [Babel8] Align error codes between Flow and TypeScript (@sosukesuzuki)
    • babel-plugin-proposal-partial-application, babel-types
      • #13407 [Babel 8] Remove optional field from MemberExpression (@danez)
    • babel-core, babel-helper-transform-fixture-test-runner, babel-register
      • #12677 [babel 8] Replace lodash/escapeRegExp with escape-string-regexp (@hzoo)
    • babel-cli, babel-plugin-transform-classes, babel-register, babel-traverse
      • #12656 [babel 8] Update globals, find-cache-dir and slash (@nicolo-ribaudo)
    • babel-plugin-syntax-typescript
      • #12607 chore: do not push objectRestSpread parser option in Babel 8 (@JLHwung)

    ---

    See CHANGELOG - v7.15.0 to v7.28.5 for v7.15.0 to v7.28.5 changes (the last common release between the v8 and v7 release lines was v7.28.5).

    Open source →
33. 7.29.725 May 2026
    Release notes

    v7.29.7 (2026-05-25)

    Re-release all packages with npm provenance attestations

    Open source →
34. 7.28.612 Jan 2026
    Release notes

    v7.28.6 (2026-01-12)

    Thanks @kadhirash and @kolvian for your first PRs!

    :bug: Bug Fix

    • babel-cli, babel-code-frame, babel-core, babel-helper-check-duplicate-nodes, babel-helper-fixtures, babel-helper-plugin-utils, babel-node, babel-plugin-transform-flow-comments, babel-plugin-transform-modules-commonjs, babel-plugin-transform-property-mutators, babel-preset-env, babel-traverse, babel-types
      • #17589 Improve Unicode handling in code-frame tokenizer (@JLHwung)
    • babel-plugin-transform-regenerator
      • #17556 fix: transform-regenerator correctly handles scope (@liuxingbaoyu)
    • babel-plugin-transform-react-jsx
      • #17538 fix: Keep jsx comments (@liuxingbaoyu)

    :nail_care: Polish

    • babel-core, babel-standalone
      • #17606 Polish(standalone): improve message on invalid preset/plugin (@JLHwung)

    :house: Internal

    • babel-plugin-bugfix-v8-static-class-fields-redefine-readonly, babel-plugin-proposal-decorators, babel-plugin-proposal-import-attributes-to-assertions, babel-plugin-proposal-import-wasm-source, babel-plugin-syntax-async-do-expressions, babel-plugin-syntax-decorators, babel-plugin-syntax-destructuring-private, babel-plugin-syntax-do-expressions, babel-plugin-syntax-explicit-resource-management, babel-plugin-syntax-export-default-from, babel-plugin-syntax-flow, babel-plugin-syntax-function-bind, babel-plugin-syntax-function-sent, babel-plugin-syntax-import-assertions, babel-plugin-syntax-import-attributes, babel-plugin-syntax-import-defer, babel-plugin-syntax-import-source, babel-plugin-syntax-jsx, babel-plugin-syntax-module-blocks, babel-plugin-syntax-optional-chaining-assign, babel-plugin-syntax-partial-application, babel-plugin-syntax-pipeline-operator, babel-plugin-syntax-throw-expressions, babel-plugin-syntax-typescript, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-dotall-regex, babel-plugin-transform-duplicate-named-capturing-groups-regex, babel-plugin-transform-explicit-resource-management, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-json-strings, babel-plugin-transform-logical-assignment-operators, babel-plugin-transform-nullish-coalescing-operator, babel-plugin-transform-numeric-separator, babel-plugin-transform-object-rest-spread, babel-plugin-transform-optional-catch-binding, babel-plugin-transform-optional-chaining, babel-plugin-transform-private-methods, babel-plugin-transform-private-property-in-object, babel-plugin-transform-regexp-modifiers, babel-plugin-transform-unicode-property-regex, babel-plugin-transform-unicode-sets-regex
      • #17580 Allow Babel 8 in compatible Babel 7 plugins (@nicolo-ribaudo)

    :running_woman: Performance

    • babel-plugin-transform-react-jsx
      • #17555 perf: Use lighter traversal for jsx __source,__self (@liuxingbaoyu)

    Committers: 7

    • Babel Bot (@babel-bot)
    • Eliot Pontarelli (@kolvian)
    • Huáng Jùnliàng (@JLHwung)
    • Kadhirash Sivakumar (@kadhirash)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • @liuxingbaoyu
    • coderaiser (@coderaiser)

    Open source →
35. 7.28.314 Aug 2025
    Release notes

    v7.28.3 (2025-08-14)

    :eyeglasses: Spec Compliance

    • babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators, babel-plugin-transform-class-static-block, babel-preset-env
      • #17443 [static blocks] Do not inject new static fields after static code (@nicolo-ribaudo)

    :bug: Bug Fix

    • babel-parser
      • #17465 fix(parser/typescript): parse import("./a", {with:{},}) (@easrng)
      • #17478 fix(parser): stop subscript parsing on async arrow (@JLHwung)

    :nail_care: Polish

    • babel-plugin-transform-regenerator, babel-plugin-transform-runtime
      • #17363 Do not save last yield in call in temp var (@nicolo-ribaudo)

    :memo: Documentation

    • #17448 move eslint-{parser,plugin} docs to the website (@JLHwung)

    :house: Internal

    • #17454 Enable type checking for scripts and babel-worker.cjs (@JLHwung)

    :microscope: Output optimization

    • babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions
      • #17444 Optimize do expression output (@JLHwung)

    Committers: 5

    • Babel Bot (@babel-bot)
    • Huáng Jùnliàng (@JLHwung)
    • Jam Balaya (@JamBalaya56562)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • easrng (@easrng)

    Open source →
36. 7.28.02 Jul 2025
    Release notes

    v7.28.0 (2025-07-02)

    :rocket: New Feature

    • babel-node
      • #17147 Support top level await in node repl (@liuxingbaoyu)
    • babel-types
      • #17258 feat(matchesPattern): support super/private/meta (@JLHwung)
    • babel-compat-data, babel-preset-env
      • #17355 Add explicit resource management to preset-env (@JLHwung)
    • babel-core, babel-parser
      • #17390 Support sourceType: "commonjs" (@JLHwung)
    • babel-generator, babel-parser
      • #17346 Materialize explicitResourceManagement parser plugin (@JLHwung)
    • babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-plugin-transform-object-rest-spread, babel-traverse, babel-types
      • #17391 LVal coverage updates (Part 2) (@JLHwung)
    • babel-parser, babel-traverse, babel-types
      • #17378 Accept bigints in t.bigIntLiteral factory (@JLHwung)
    • babel-generator, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-discard-binding, babel-plugin-transform-destructuring, babel-plugin-transform-explicit-resource-management, babel-plugin-transform-react-display-name, babel-types
      • #17277 Transform discard binding (@JLHwung)
    • babel-generator, babel-parser, babel-plugin-proposal-destructuring-private, babel-plugin-transform-block-scoping, babel-plugin-transform-object-rest-spread, babel-plugin-transform-typescript, babel-traverse, babel-types
      • #17163 Parse discard binding (@JLHwung)

    :bug: Bug Fix

    • babel-helper-globals, babel-plugin-transform-classes, babel-traverse
      • #17297 Create babel-helper-globals (@JLHwung)
    • babel-types
      • #17009 feature: TSTypeOperator: keyof (#16799) (@coderaiser)

    :house: Internal

    • babel-compat-data, babel-plugin-proposal-decorators, babel-plugin-transform-async-generator-functions, babel-plugin-transform-json-modules, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs3
      • #17403 Update babel-polyfill packages (@nicolo-ribaudo)

    Committers: 5

    • Babel Bot (@babel-bot)
    • Huáng Jùnliàng (@JLHwung)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • @liuxingbaoyu
    • coderaiser (@coderaiser)

    Open source →
37. 7.27.26 May 2025
    Release notes

    v7.27.2 (2025-05-06)

    :bug: Bug Fix

    • babel-parser
      • #17289 fix: @babel/parser/bin/index.js contains node: protocol require (@liuxingbaoyu)
      • #17291 fix: Private class method not found when TS and estree (@liuxingbaoyu)
    • babel-plugin-transform-object-rest-spread
      • #17281 Fix: improve object rest handling in array pattern (@JLHwung)
    • babel-plugin-transform-modules-commonjs, babel-template
      • #17284 fix(babel-template): Properly handle empty string replacements (@magic-akari)

    :running_woman: Performance

    • babel-cli
      • #17285 Enable Node compile cache for @babel/cli (@JLHwung)

    Committers: 5

    • Babel Bot (@babel-bot)
    • Huáng Jùnliàng (@JLHwung)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • @liuxingbaoyu
    • @magic-akari

    Open source →
38. 7.27.130 Apr 2025
    Release notes

    v7.27.1 (2025-04-30)

    Thanks @kermanx and @woaitsAryan for your first PRs!

    :eyeglasses: Spec Compliance

    • babel-parser
      • #17254 Allow using of as lexical declaration within for (@JLHwung)
      • #17230 Disallow get/set in TSPropertySignature (@JLHwung)
    • babel-parser, babel-types
      • #17193 Stricter TSImportType options parsing (@JLHwung)

    :bug: Bug Fix

    • babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-traverse
      • #17137 fix: do expressions should allow early exit (@kermanx)
    • babel-helper-wrap-function, babel-plugin-transform-async-to-generator
      • #17251 Fix: propagate argument evaluation errors through async promise chain (@magic-akari)
    • babel-helper-remap-async-to-generator, babel-plugin-transform-async-to-generator
      • #17231 fix apply()/call() annotated as pure (@Lacsw)
    • babel-helper-fixtures, babel-parser
      • #17233 Create ChainExpression within TSInstantiationExpression (@JLHwung)
    • babel-generator, babel-parser
      • #17226 Fill optional AST properties when both estree and typescript parser plugin are enabled (Part 2) (@JLHwung)
    • babel-parser
      • #17224 Fill optional AST properties when both estree and typescript parser plugin are enabled (Part 1) (@JLHwung)
      • #17080 Fix start of TSParameterProperty (@JLHwung)
    • babel-compat-data, babel-preset-env
      • #17228 Update firefox bugfix compat data (@JLHwung)
    • babel-traverse
      • #17156 fix: Objects and arrays with multiple references should not be evaluated (@liuxingbaoyu)
    • babel-generator
      • #17216 Fix: support const type parameter in generator (@JLHwung)

    :nail_care: Polish

    • babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-proposal-decorators, babel-plugin-transform-arrow-functions, babel-plugin-transform-class-properties, babel-plugin-transform-destructuring, babel-plugin-transform-object-rest-spread, babel-plugin-transform-optional-chaining, babel-plugin-transform-parameters, babel-traverse
      • #17221 Reduce generated names size for the 10th-11th (@nicolo-ribaudo)

    :house: Internal

    • babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
      • #17263 Remove unused regenerator-runtime dep in @babel/runtime (@nicolo-ribaudo)
    • babel-compat-data, babel-preset-env
      • #17256 Tune plugin compat data (@JLHwung)
    • babel-compat-data, babel-standalone
      • #17236 migrate babel-compat-data build script to mjs (@JLHwung)
    • babel-register
      • #16844 Migrate @babel/register to cts (@liuxingbaoyu)
    • babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
      • #17205 Inline regenerator in the relevant packages (@nicolo-ribaudo)
    • All packages
      • #17207 Enforce node protocol import (@JLHwung)

    :microscope: Output optimization

    • babel-helpers, babel-plugin-transform-modules-commonjs, babel-runtime-corejs3
      • #16538 Reduce interopRequireWildcard size (@liuxingbaoyu)
    • babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
      • #17213 Reduce regeneratorRuntime size (@liuxingbaoyu)

    Committers: 9

    • Aryan Bharti (@woaitsAryan)
    • Babel Bot (@babel-bot)
    • Frolov Roman (@Lacsw)
    • Huáng Jùnliàng (@JLHwung)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • @liuxingbaoyu
    • @magic-akari
    • _Kerman (@kermanx)
    • fisker Cheung (@fisker)

    Open source →
39. 7.27.024 Mar 2025
    Release notes

    v7.27.0 (2025-03-24)

    Thanks @ishchhabra and @vovkasm for your first PRs!

    :eyeglasses: Spec Compliance

    • babel-generator, babel-parser
      • #16977 Default importAttributesKeyword to with (@JLHwung)

    :rocket: New Feature

    • babel-helper-create-class-features-plugin, babel-traverse, babel-types
      • #17169 Allow traverseFast to exit early (@liuxingbaoyu)
    • babel-parser, babel-types
      • #17110 Add ImportAttributes to Standardized and move its parser test fixtures (@JLHwung)
    • babel-generator
      • #17100 fix(babel-generator): add named export of generate function (@vovkasm)
    • babel-parser, babel-template
      • #17149 Add allowYieldOutsideFunction to parser (@liuxingbaoyu)
    • babel-plugin-transform-typescript, babel-traverse
      • #17102 feat: Add upToScope parameter to hasBinding (@liuxingbaoyu)
    • babel-parser
      • #17082 Support ESTree AccessorProperty (@JLHwung)
    • babel-types
      • #17162 feat(babel-types): Add support for BigInt literal conversion in valueToNode (@ishchhabra)

    :bug: Bug Fix

    • babel-helper-create-class-features-plugin, babel-plugin-transform-class-properties
      • #16816 fix: Class reference in type throws error (@liuxingbaoyu)
    • babel-traverse
      • #17170 fix: Reset child scopes when scope.crawl() (@liuxingbaoyu)
    • babel-helpers, babel-preset-typescript, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
      • #17118 Fix: align behaviour to tsc rewriteRelativeImportExtensions (@JLHwung)
    • babel-cli
      • #17182 fix: @babel/cli generates duplicate inline source maps (@liuxingbaoyu)
    • babel-plugin-transform-named-capturing-groups-regex, babel-types
      • #17175 Generate computed proto key (@JLHwung)

    :running_woman: Performance

    • babel-types
      • #16870 perf: Improve builders of @babel/types (@liuxingbaoyu)
    • babel-helper-create-regexp-features-plugin
      • #17176 fix: improve duplicate named groups check (@JLHwung)

    Committers: 5

    • Babel Bot (@babel-bot)
    • Huáng Jùnliàng (@JLHwung)
    • Ish Chhabra (@ishchhabra)
    • Vladimir Timofeev (@vovkasm)
    • @liuxingbaoyu

    Open source →
40. 7.26.45 Dec 2024
    Release notes

    v7.26.4 (2024-12-05)

    :leftwards_arrow_with_hook: Revert

    • babel-traverse
      • #17005 Revert "perf: Improve scope information collection performance" (@JLHwung)

    Committers: 2

    • Huáng Jùnliàng (@JLHwung)
    • Nicolò Ribaudo (@nicolo-ribaudo)

    Open source →
41. 7.25.922 Oct 2024
    Release notes

    v7.25.9 (2024-10-22)

    Thanks @victorenator for your first PR!

    :bug: Bug Fix

    • babel-parser, babel-template, babel-types
      • #16905 fix: Keep type annotations in syntacticPlaceholders mode (@liuxingbaoyu)
    • babel-helper-compilation-targets, babel-preset-env
      • #16907 fix: support BROWSERSLIST{,_CONFIG} env (@JLHwung)
    • Other
      • #16884 Analyze ClassAccessorProperty to prevent the no-undef rule (@victorenator)

    :house: Internal

    • babel-helper-transform-fixture-test-runner
      • #16914 remove test options flaky (@JLHwung)
    • Every package
      • #16917 fix: Accidentally published tsconfig files (@liuxingbaoyu)

    :running_woman: Performance

    • babel-parser, babel-types
      • #16918 perf: Make VISITOR_KEYS etc. faster to access (@liuxingbaoyu)

    Committers: 4

    • Babel Bot (@babel-bot)
    • Huáng Jùnliàng (@JLHwung)
    • Viktar Vaŭčkievič (@victorenator)
    • @liuxingbaoyu

    Open source →
42. 7.25.72 Oct 2024
    Release notes

    v7.25.7 (2024-10-02)

    Thanks @DylanPiercey and @YuHyeonWook for your first PRs!

    :bug: Bug Fix

    • babel-helper-validator-identifier
      • #16825 fix: update identifier to unicode 16 (@JLHwung)
    • babel-traverse
      • #16814 fix: issue with node path keys updated on unrelated paths (@DylanPiercey)
    • babel-plugin-transform-classes
      • #16797 Use an inclusion rather than exclusion list for super() check (@nicolo-ribaudo)
    • babel-generator
      • #16788 Fix printing of TS infer in compact mode (@nicolo-ribaudo)
      • #16785 Print TS type annotations for destructuring in assignment pattern (@nicolo-ribaudo)
      • #16778 Respect [no LineTerminator here] after nodes (@nicolo-ribaudo)

    :nail_care: Polish

    • babel-types
      • #16852 Add deprecated JSDOC for fields (@liuxingbaoyu)

    :house: Internal

    • babel-core
      • #16820 Allow sync loading of ESM when --experimental-require-module (@nicolo-ribaudo)
    • babel-helper-compilation-targets, babel-helper-plugin-utils, babel-preset-env
      • #16858 Add browserslist config to external dependency (@JLHwung)
    • babel-plugin-proposal-destructuring-private, babel-plugin-syntax-decimal, babel-plugin-syntax-import-reflection, babel-standalone
      • #16809 Archive syntax-import-reflection and syntax-decimal (@nicolo-ribaudo)
    • babel-generator
      • #16779 Simplify logic for [no LineTerminator here] before nodes (@nicolo-ribaudo)

    :running_woman: Performance

    • babel-plugin-transform-typescript
      • #16875 perf: Avoid extra cloning of namespaces (@liuxingbaoyu)
    • babel-types
      • #16842 perf: Improve @babel/types builders (@liuxingbaoyu)
      • #16828 Only access BABEL_TYPES_8_BREAKING at startup (@nicolo-ribaudo)

    Committers: 8

    • Babel Bot (@babel-bot)
    • Dylan Piercey (@DylanPiercey)
    • Huáng Jùnliàng (@JLHwung)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • @liuxingbaoyu
    • coderaiser (@coderaiser)
    • fisker Cheung (@fisker)
    • hwook (@YuHyeonWook)

    Open source →
43. 7.25.629 Aug 2024
    Release notes

    v7.25.6 (2024-08-29)

    Thanks @j4k0xb for your first PR!

    :bug: Bug Fix

    • babel-generator
      • #16783 Properly print inner comments in TS array types (@nicolo-ribaudo)
      • #16775 fix: jsx whitespace is not properly preserved when retainLines (@liuxingbaoyu)
    • babel-traverse
      • #16727 fix: path.getAssignmentIdentifiers may be undefined (@liuxingbaoyu)
    • babel-parser
      • #16761 fix: improve static canFollowModifier checks (@JLHwung)
    • babel-helpers, babel-plugin-transform-optional-chaining, babel-runtime-corejs3
      • #16769 Only wrap functions in superPropertyGet helper (@nicolo-ribaudo)

    :nail_care: Polish

    • babel-generator, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-class-properties, babel-plugin-transform-classes, babel-plugin-transform-duplicate-named-capturing-groups-regex, babel-plugin-transform-named-capturing-groups-regex, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-plugin-transform-react-pure-annotations, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env
      • #16780 Do not enforce printing space between ( and comments (@nicolo-ribaudo)
    • babel-plugin-syntax-import-assertions, babel-plugin-syntax-import-attributes
      • #16781 Don't throw when enabling both syntax-import-{assertions,attributes} (@nicolo-ribaudo)
    • babel-generator
      • #16782 TS union/intersection nested in union does not need parens (@nicolo-ribaudo)

    :house: Internal

    • babel-generator
      • #16777 Remove unused parent params in the generator (@nicolo-ribaudo)

    Committers: 5

    • Babel Bot (@babel-bot)
    • Huáng Jùnliàng (@JLHwung)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • @j4k0xb
    • @liuxingbaoyu

    Open source →
44. 7.24.811 Jul 2024
    Release notes

    v7.24.8 (2024-07-11)

    Thanks @H0onnn, @jkup and @SreeXD for your first pull requests!

    :eyeglasses: Spec Compliance

    • babel-parser
      • #16567 Do not use strict mode in TS declare (@liuxingbaoyu)

    :bug: Bug Fix

    • babel-generator
      • #16630 Correctly print parens around in in for heads (@nicolo-ribaudo)
      • #16626 Fix printing of comments in await using (@nicolo-ribaudo)
      • #16591 fix typescript code generation for yield expression inside type expre… (@SreeXD)
    • babel-parser
      • #16613 Disallow destructuring assignment in using declarations (@H0onnn)
      • #16490 fix: do not add .value: undefined to regexp literals (@liuxingbaoyu)
    • babel-types
      • #16615 Remove boolean props from ObjectTypeInternalSlot visitor keys (@nicolo-ribaudo)
    • babel-plugin-transform-typescript
      • #16566 fix: Correctly handle export import x = (@liuxingbaoyu)

    :nail_care: Polish

    • babel-generator
      • #16625 Avoid unnecessary parens around async in for await (@nicolo-ribaudo)
    • babel-traverse
      • #16619 Avoid checking Scope.globals multiple times (@liuxingbaoyu)

    Committers: 9

    • Amjad Yahia Robeen Hassan (@amjed-98)
    • Babel Bot (@babel-bot)
    • Huáng Jùnliàng (@JLHwung)
    • Jon Kuperman (@jkup)
    • Nagendran N (@SreeXD)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • Sukka (@SukkaW)
    • @H0onnn
    • @liuxingbaoyu

    Open source →
45. 7.24.75 Jun 2024
    Release notes

    v7.24.7 (2024-06-05)

    :bug: Bug Fix

    • babel-node
      • #16554 Allow extra flags in babel-node (@nicolo-ribaudo)
    • babel-traverse
      • #16522 fix: incorrect constantViolations with destructuring (@liuxingbaoyu)
    • babel-helper-transform-fixture-test-runner, babel-plugin-proposal-explicit-resource-management
      • #16524 fix: Transform using in switch correctly (@liuxingbaoyu)

    :house: Internal

    • babel-helpers, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
      • #16525 Delete unused array helpers (@blakewilson)

    Committers: 7

    • Amjad Yahia Robeen Hassan (@amjed-98)
    • Babel Bot (@babel-bot)
    • Blake Wilson (@blakewilson)
    • Huáng Jùnliàng (@JLHwung)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • Sukka (@SukkaW)
    • @liuxingbaoyu

    Open source →
46. 7.24.624 May 2024
    Release notes

    v7.24.6 (2024-05-24)

    Thanks @amjed-98, @blakewilson, @coelhucas, and @SukkaW for your first PRs!

    :bug: Bug Fix

    • babel-helper-create-class-features-plugin, babel-plugin-transform-class-properties
      • #16514 Fix source maps for private member expressions (@nicolo-ribaudo)
    • babel-core, babel-generator, babel-plugin-transform-modules-commonjs
      • #16515 Fix source maps for template literals (@nicolo-ribaudo)
    • babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
      • #16485 Support undecorated static accessor in anonymous classes (@JLHwung)
      • #16484 Fix decorator bare yield await (@JLHwung)
    • babel-helpers, babel-plugin-proposal-decorators, babel-runtime-corejs3
      • #16483 Fix: throw TypeError if addInitializer is called after finished (@JLHwung)
    • babel-parser, babel-plugin-transform-typescript
      • #16476 fix: Correctly parse cls.fn<C> = x (@liuxingbaoyu)

    :house: Internal

    • babel-core, babel-helpers, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
      • #16501 Generate helper metadata at build time (@nicolo-ribaudo)
    • babel-helpers
      • #16499 Add tsconfig.json for @babel/helpers/src/helpers (@nicolo-ribaudo)
    • babel-cli, babel-helpers, babel-plugin-external-helpers, babel-plugin-proposal-decorators, babel-plugin-transform-class-properties, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
      • #16495 Move all runtime helpers to individual files (@nicolo-ribaudo)
    • babel-parser, babel-traverse
      • #16482 Statically generate boilerplate for bitfield accessors (@nicolo-ribaudo)
    • Other
      • #16466 Migrate import assertions syntax (@JLHwung)

    Committers: 9

    • Amjad Yahia Robeen Hassan (@amjed-98)
    • Babel Bot (@babel-bot)
    • Blake Wilson (@blakewilson)
    • Huáng Jùnliàng (@JLHwung)
    • Lucas Coelho (@coelhucas)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • Sukka (@SukkaW)
    • Zzzen (@Zzzen)
    • @liuxingbaoyu

    Open source →
47. 7.24.529 Apr 2024
    Release notes

    v7.24.5 (2024-04-29)

    Thanks @romgrk and @sossost for your first PRs!

    :bug: Bug Fix

    • babel-plugin-transform-classes, babel-traverse
      • #16377 fix: TypeScript annotation affects output (@liuxingbaoyu)
    • babel-helpers, babel-plugin-proposal-explicit-resource-management, babel-runtime-corejs3
      • #16440 Fix suppressed error order (@sossost)
      • #16408 Await nullish async disposable (@JLHwung)

    :nail_care: Polish

    • babel-parser
      • #16407 Recover from exported using declaration (@JLHwung)

    :house: Internal

    • Other
      • #16414 Relax ESLint peerDependency constraint to allow v9 (@liuxingbaoyu)
    • babel-parser
      • #16425 Improve @babel/parser AST types (@nicolo-ribaudo)
      • #16417 Always pass type argument to .startNode (@nicolo-ribaudo)
    • babel-helper-create-class-features-plugin, babel-helper-member-expression-to-functions, babel-helper-module-transforms, babel-helper-split-export-declaration, babel-helper-wrap-function, babel-helpers, babel-plugin-bugfix-firefox-class-in-computed-class-key, babel-plugin-proposal-explicit-resource-management, babel-plugin-transform-block-scoping, babel-plugin-transform-destructuring, babel-plugin-transform-object-rest-spread, babel-plugin-transform-optional-chaining, babel-plugin-transform-parameters, babel-plugin-transform-private-property-in-object, babel-plugin-transform-react-jsx-self, babel-plugin-transform-typeof-symbol, babel-plugin-transform-typescript, babel-traverse
      • #16439 Make NodePath<T | U> distributive (@nicolo-ribaudo)
    • babel-plugin-proposal-partial-application, babel-types
      • #16421 Remove JSXNamespacedName from valid CallExpression args (@nicolo-ribaudo)
    • babel-plugin-transform-class-properties, babel-preset-env
      • #16406 Do not load unnecessary Babel 7 syntax plugins in Babel 8 (@nicolo-ribaudo)

    :running_woman: Performance

    • babel-helpers, babel-preset-env, babel-runtime-corejs3
      • #16357 Performance: improve objectWithoutPropertiesLoose on V8 (@romgrk)

    Committers: 6

    • Babel Bot (@babel-bot)
    • Huáng Jùnliàng (@JLHwung)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • Rom Grk (@romgrk)
    • @liuxingbaoyu
    • ynnsuis (@sossost)

    Open source →
48. 7.24.119 Mar 2024
    Release notes

    v7.24.1 (2024-03-19)

    :bug: Bug Fix

    • babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
      • #16350 Fix decorated class computed keys ordering (@JLHwung)
      • #16344 Fix decorated class static field private access (@JLHwung)
    • babel-plugin-proposal-decorators, babel-plugin-proposal-json-modules, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env
      • #16329 Respect moduleName for @babel/runtime/regenerator imports (@nicolo-ribaudo)
    • babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-class-properties
      • #16331 Fix decorator memoiser binding kind (@JLHwung)
    • babel-helper-create-class-features-plugin, babel-helper-replace-supers, babel-plugin-proposal-decorators, babel-plugin-transform-class-properties
      • #16325 Fix decorator evaluation private environment (@JLHwung)

    :memo: Documentation

    • #16319 Update SECURITY.md (@nicolo-ribaudo)

    :house: Internal

    • babel-code-frame, babel-highlight
      • #16359 Replace chalk with picocolors (@nicolo-ribaudo)
    • babel-helper-fixtures, babel-helpers, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-unicode-sets-regex, babel-preset-env, babel-preset-flow
      • #16352 Run Babel transform tests on old node if possible (@JLHwung)
    • babel-helper-module-imports, babel-plugin-proposal-import-wasm-source, babel-plugin-proposal-json-modules, babel-plugin-proposal-record-and-tuple, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx
      • #16349 Support merging imports in import injector (@nicolo-ribaudo)
    • Other
      • #16332 Test Babel 7 plugins compatibility with Babel 8 core (@nicolo-ribaudo)

    :microscope: Output optimization

    • babel-helper-replace-supers, babel-plugin-transform-class-properties, babel-plugin-transform-classes, babel-plugin-transform-parameters, babel-plugin-transform-runtime
      • #16345 Optimize the use of assertThisInitialized after super() (@liuxingbaoyu)
    • babel-plugin-transform-class-properties, babel-plugin-transform-classes
      • #16343 Use simpler assertThisInitialized more often (@liuxingbaoyu)
    • babel-plugin-proposal-decorators, babel-plugin-transform-class-properties, babel-plugin-transform-object-rest-spread, babel-traverse
      • #16342 Consider well-known and registered symbols as literals (@nicolo-ribaudo)
    • babel-core, babel-plugin-external-helpers, babel-plugin-proposal-decorators, babel-plugin-proposal-function-bind, babel-plugin-transform-class-properties, babel-plugin-transform-classes, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-function-name, babel-plugin-transform-modules-systemjs, babel-plugin-transform-parameters, babel-plugin-transform-private-property-in-object, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-plugin-transform-spread, babel-plugin-transform-typescript, babel-preset-env
      • #16326 Reduce the use of class names (@liuxingbaoyu)

    Committers: 4

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

    Open source →
49. 7.23.925 Jan 2024
    Release notes

    v7.23.9 (2024-01-25)

    :bug: Bug Fix

    • babel-helper-transform-fixture-test-runner, babel-plugin-transform-function-name, babel-plugin-transform-modules-systemjs, babel-preset-env
      • #16225 fix: systemjs re-traverses helpers (@liuxingbaoyu)
    • babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
      • #16226 Improve decorated private method check (@JLHwung)
    • babel-plugin-proposal-decorators, babel-plugin-transform-async-generator-functions, babel-plugin-transform-runtime, babel-preset-env
      • #16224 Properly sort core-js@3 imports (@nicolo-ribaudo)
    • babel-traverse
      • #15383 fix: Don't throw in getTypeAnnotation when using TS+inference (@liuxingbaoyu)
    • Other
      • #16210 [eslint] Fix no-use-before-define for class ref in fields (@nicolo-ribaudo)

    :house: Internal

    • babel-core, babel-parser, babel-template
      • #16222 Migrate eslint-parser to cts (@liuxingbaoyu)
    • babel-types
      • #16213 Remove @babel/types props that are not produced by the parser (@liuxingbaoyu)

    :running_woman: Performance

    • babel-parser
      • #16072 perf: Improve parser performance for typescript (@liuxingbaoyu)

    :microscope: Output optimization

    • babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-new-target, babel-plugin-transform-parameters, babel-plugin-transform-private-methods, babel-preset-env
      • #16218 Improve temporary variables for decorators (@liuxingbaoyu)
    • babel-helpers, babel-plugin-proposal-explicit-resource-management, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
      • #15959 Improve output of using (@liuxingbaoyu)

    Committers: 4

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

    Open source →
50. 7.23.420 Nov 2023
    Release notes

    v7.23.4 (2023-11-20)

    :bug: Bug Fix

    • babel-generator
      • #16104 fix: Pure comments missing parentheses (@liuxingbaoyu)

    Committers: 4

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

    Open source →
51. 7.23.025 Sept 2023
    Release notes

    v7.23.0 (2023-09-25)

    Thanks @lorenzoferre and @RajShukla1 for your first PRs!

    :rocket: New Feature

    • babel-plugin-proposal-import-wasm-source, babel-plugin-syntax-import-source, babel-plugin-transform-dynamic-import
      • #15870 Support transforming import source for wasm (@nicolo-ribaudo)
    • babel-helper-module-transforms, babel-helpers, babel-plugin-proposal-import-defer, babel-plugin-syntax-import-defer, babel-plugin-transform-modules-commonjs, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime, babel-standalone
      • #15878 Implement import defer proposal transform support (@nicolo-ribaudo)
    • babel-generator, babel-parser, babel-types
      • #15845 Implement import defer parsing support (@nicolo-ribaudo)
      • #15829 Add parsing support for the "source phase imports" proposal (@nicolo-ribaudo)
    • babel-generator, babel-helper-module-transforms, babel-parser, babel-plugin-transform-dynamic-import, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-traverse, babel-types
      • #15682 Add createImportExpressions parser option (@JLHwung)
    • babel-standalone
      • #15671 Pass through nonce to the transformed script element (@JLHwung)
    • babel-helper-function-name, babel-helper-member-expression-to-functions, babel-helpers, babel-parser, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-optional-chaining-assign, babel-plugin-syntax-optional-chaining-assign, babel-plugin-transform-destructuring, babel-plugin-transform-optional-chaining, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime, babel-standalone, babel-types
      • #15751 Add support for optional chain in assignments (@nicolo-ribaudo)
    • babel-helpers, babel-plugin-proposal-decorators
      • #15895 Implement the "decorator metadata" proposal (@nicolo-ribaudo)
    • babel-traverse, babel-types
      • #15893 Add t.buildUndefinedNode (@liuxingbaoyu)
    • babel-preset-typescript
      • #15913 Add rewriteImportExtensions option to TS preset (@nicolo-ribaudo)
    • babel-parser
      • #15896 Allow TS tuples to have both labeled and unlabeled elements (@yukukotani)

    :bug: Bug Fix

    • babel-plugin-transform-block-scoping
      • #15962 fix: transform-block-scoping captures the variables of the method in the loop (@liuxingbaoyu)

    :nail_care: Polish

    • babel-traverse
      • #15797 Expand evaluation of global built-ins in @babel/traverse (@lorenzoferre)
    • babel-plugin-proposal-explicit-resource-management
      • #15985 Improve source maps for blocks with using declarations (@nicolo-ribaudo)

    :microscope: Output optimization

    • babel-core, babel-helper-module-transforms, babel-plugin-transform-async-to-generator, babel-plugin-transform-classes, babel-plugin-transform-dynamic-import, babel-plugin-transform-function-name, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd, babel-plugin-transform-parameters, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-inline-elements, babel-plugin-transform-runtime, babel-plugin-transform-typescript, babel-preset-env
      • #15984 Inline exports.XXX = update in simple variable declarations (@nicolo-ribaudo)

    Committers: 7

    • Babel Bot (@babel-bot)
    • Huáng Jùnliàng (@JLHwung)
    • Lorenzo Ferretti (@lorenzoferre)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • Raj Pawan Shukla (@RajShukla1)
    • Yuku Kotani (@yukukotani)
    • @liuxingbaoyu

    Open source →
52. 7.22.154 Sept 2023
    Release notes

    v7.22.15 (2023-09-04)

    :bug: Bug Fix

    • babel-core
      • #15923 Only perform config loading re-entrancy check for cjs (@nicolo-ribaudo)

    :house: Internal

    • Every package
      • #15892 Add explicit .ts/.js extension to all imports in src (@nicolo-ribaudo)

    Committers: 4

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

    Open source →
53. 7.22.107 Aug 2023
    Release notes

    v7.22.10 (2023-08-07)

    Thanks @DimitriPapadopoulos, @FabianWarnecke, @JoshuaKGoldberg, and @YYvanYang for your first pull requests!

    :bug: Bug Fix

    • babel-plugin-transform-typescript
      • #15799 [ts] Strip type-only namespaces (@nicolo-ribaudo)
      • #15798 [ts] Fix compiling extended exported nested namespace (@nicolo-ribaudo)
    • babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-new-target, babel-plugin-transform-private-methods, babel-preset-env
      • #15701 Memoize class binding when compiling private methods and static elements (@JLHwung)

    :nail_care: Polish

    • babel-cli
      • #15824 Add meta object to @babel/eslint-plugin (@JLHwung)
    • babel-traverse, babel-types
      • #15661 Improve the type definition of path.isX (@liuxingbaoyu)
    • babel-generator, babel-types
      • #15776 improve SourceLocation typing (@JLHwung)

    :house: Internal

    • Other
      • #15818 build: generate flow typings in prepublish job (@JLHwung)
      • #15777 chore: bump dev dependencies and remove .eslintignore (@JLHwung)
    • babel-cli, babel-core, babel-generator, babel-helper-builder-react-jsx, babel-preset-env, babel-standalone
      • #15794 Enable @typescript-eslint/no-redundant-type-constituents rule (@JLHwung)
    • babel-helper-compilation-targets
      • #15811 Remove @babel/core peerDep from helper-compilation-targets (@nicolo-ribaudo)
    • babel-parser
      • #15793 Use const enum in babel-parser (@JLHwung)
    • babel-plugin-transform-runtime, babel-traverse, babel-types
      • #15716 chore: Use typescript-eslint@v6 with reworked configs (@JoshuaKGoldberg)

    :microscope: Output optimization

    • babel-plugin-transform-block-scoping, babel-plugin-transform-parameters, babel-plugin-transform-regenerator
      • #15746 Reduce transform-block-scoping loops output size (@liuxingbaoyu)

    Committers: 9

    • Babel Bot (@babel-bot)
    • Dimitri Papadopoulos Orfanos (@DimitriPapadopoulos)
    • Huáng Jùnliàng (@JLHwung)
    • Josh Goldberg ✨ (@JoshuaKGoldberg)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • Tianlan Zhou (@SuperSodaSea)
    • @FabianWarnecke
    • @YYvanYang
    • @liuxingbaoyu

    Open source →
54. 7.22.912 Jul 2023
    Release notes

    v7.22.9 (2023-07-12)

    :bug: Bug Fix

    • babel-plugin-transform-typescript
      • #15774 fix: Infinity in enums (@liuxingbaoyu)
    • babel-helper-module-transforms, babel-helper-remap-async-to-generator, babel-helper-replace-supers, babel-helper-wrap-function
      • #15771 Simplify helper dependencies (@JLHwung)

    :nail_care: Polish

    • babel-generator
      • #15757 recordAndTupleSyntaxType defaults to "hash" (@coderaiser)

    :house: Internal

    • #15748 Migrate to eslint.config.js (@JLHwung)
    • #15758 Use Prettier 3 stable (@nicolo-ribaudo)

    Committers: 5

    • Babel Bot (@babel-bot)
    • Huáng Jùnliàng (@JLHwung)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • @liuxingbaoyu
    • coderaiser (@coderaiser)

    Open source →
55. 7.22.64 Jul 2023
    Release notes

    v7.22.6 (2023-07-04)

    :bug: Bug Fix

    • babel-compat-data, babel-helper-compilation-targets, babel-preset-env
      • #15727 Add opera mobile compat data (@JLHwung)
    • babel-plugin-transform-optional-chaining
      • #15739 Fix transform of delete a?.b in function params (@nicolo-ribaudo)
    • babel-helper-split-export-declaration, babel-plugin-transform-modules-commonjs
      • #15736 fix: Default export for duplicate names (@liuxingbaoyu)
    • babel-compat-data, babel-preset-env
      • #15726 update compat-data sources (@JLHwung)
    • babel-helpers, babel-plugin-proposal-explicit-resource-management, babel-runtime-corejs3, babel-runtime
      • #15705 Fix handling of sync error in @@asyncDispose (@nicolo-ribaudo)
    • babel-standalone
      • #15707 fix: Support transforming Explicit Resource Management in stage-2 (@liuxingbaoyu)
    • babel-core
      • #15626 fix: Works correctly with --frozen-intrinsics (@liuxingbaoyu)

    :house: Internal

    • babel-helper-create-class-features-plugin, babel-plugin-transform-classes
      • #15700 Minor class transform cleanups (@JLHwung)

    :microscope: Output optimization

    • babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-transform-class-properties, babel-plugin-transform-optional-chaining, babel-plugin-transform-typescript
      • #15740 Compress output for optional chain with multiple ?. (@nicolo-ribaudo)
    • babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-class-properties, babel-plugin-transform-nullish-coalescing-operator, babel-plugin-transform-optional-chaining, babel-plugin-transform-private-property-in-object, babel-traverse
      • #15741 Inject tmp vars in the params list of IIFEs when possible (@nicolo-ribaudo)

    Committers: 5

    • Babel Bot (@babel-bot)
    • Huáng Jùnliàng (@JLHwung)
    • Joe Maffei (@joemaffei)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • @liuxingbaoyu

    Open source →
56. 7.22.58 Jun 2023
    Release notes

    v7.22.5 (2023-06-08)

    :bug: Bug Fix

    • babel-preset-env, babel-standalone
      • #15675 Fix using syntax-unicode-sets-regex in standalone (@nicolo-ribaudo)

    :nail_care: Polish

    • babel-core
      • #15683 Suggest -transform- when resolving missing plugins (@nicolo-ribaudo)

    Committers: 4

    • Avery (@nullableVoidPtr)
    • Babel Bot (@babel-bot)
    • Nicolò Ribaudo (@nicolo-ribaudo)
    • @liuxingbaoyu

    Open source →
57. 7.21.528 Apr 2023
    Release notes

    v7.21.5 (2023-04-28)

    :eyeglasses: Spec Compliance

    • babel-generator, babel-parser, babel-types
      • #15539 fix: Remove mixins and implements for DeclareInterface and InterfaceDeclaration (@liuxingbaoyu)

    :bug: Bug Fix

    • babel-core, babel-generator, babel-plugin-transform-modules-commonjs, babel-plugin-transform-react-jsx
      • #15515 fix: ) position with createParenthesizedExpressions (@liuxingbaoyu)
    • babel-preset-env
      • #15580 Add syntax import meta to preset env (@JLHwung)

    :nail_care: Polish

    • babel-types
      • #15546 Improve the layout of generated validators (@liuxingbaoyu)
    • babel-core
      • #15535 Use lt instead of lte to check TS version for .cts config (@nicolo-ribaudo)

    :house: Internal

    • babel-core
      • #15575 Use synchronous import.meta.resolve (@nicolo-ribaudo)
    • babel-helper-fixtures, babel-preset-typescript
      • #15568 Handle .overrides and .env when resolving plugins/presets from fixture options (@JLHwung)
    • babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin
      • #15548 Use semver package to compare versions (@nicolo-ribaudo)

    Committers: 4

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

    Open source →
58. 7.21.4-esm.44 Apr 2023pre-release

    Nothing published for this version

59. 7.21.4-esm.34 Apr 2023pre-release

    Nothing published for this version

60. 7.21.4-esm.24 Apr 2023pre-release

    Nothing published for this version