Babel

Frameworks & Libraries

The compiler for writing next-generation JavaScript.

Latest v8.0.4 · by BabelWebsitebabel/babel

Release activity

Release activity — 10 releases across 8 days since May 5, 2026. Each cell is one day; darker means more releases that day. Nothing is recorded before May 5, 2026. Older weeks are hidden at this screen width.
MayJunJulAug
SundayNo releases on May 10, 2026No releases on May 17, 2026No releases on May 24, 2026No releases on May 31, 2026No releases on Jun 7, 2026No releases on Jun 14, 2026No releases on Jun 21, 2026No releases on Jun 28, 2026No releases on Jul 5, 2026No releases on Jul 12, 2026No releases on Jul 19, 2026No releases on Jul 26, 2026No releases on Aug 2, 2026
MondayNo releases on May 11, 2026No releases on May 18, 20263 releases on May 25, 2026No releases on Jun 1, 2026No releases on Jun 8, 2026No releases on Jun 15, 2026No releases on Jun 22, 2026No releases on Jun 29, 2026No releases on Jul 6, 2026No releases on Jul 13, 2026No releases on Jul 20, 2026No releases on Jul 27, 2026No releases on Aug 3, 2026
Tuesday1 release on May 5, 20261 release on May 12, 2026No releases on May 19, 2026No releases on May 26, 2026No releases on Jun 2, 2026No releases on Jun 9, 20261 release on Jun 16, 2026No releases on Jun 23, 2026No releases on Jun 30, 2026No releases on Jul 7, 2026No releases on Jul 14, 2026No releases on Jul 21, 2026No releases on Jul 28, 2026No releases on Aug 4, 2026
WednesdayNo releases on May 6, 2026No releases on May 13, 2026No releases on May 20, 2026No releases on May 27, 2026No releases on Jun 3, 2026No releases on Jun 10, 20261 release on Jun 17, 2026No releases on Jun 24, 2026No releases on Jul 1, 2026No releases on Jul 8, 2026No releases on Jul 15, 2026No releases on Jul 22, 2026No releases on Jul 29, 2026No releases on Aug 5, 2026
ThursdayNo releases on May 7, 2026No releases on May 14, 2026No releases on May 21, 2026No releases on May 28, 2026No releases on Jun 4, 2026No releases on Jun 11, 2026No releases on Jun 18, 2026No releases on Jun 25, 2026No releases on Jul 2, 20261 release on Jul 9, 2026No releases on Jul 16, 2026No releases on Jul 23, 2026No releases on Jul 30, 2026No releases on Aug 6, 2026
FridayNo releases on May 8, 2026No releases on May 15, 2026No releases on May 22, 2026No releases on May 29, 2026No releases on Jun 5, 2026No releases on Jun 12, 2026No releases on Jun 19, 2026No releases on Jun 26, 2026No releases on Jul 3, 2026No releases on Jul 10, 2026No releases on Jul 17, 2026No releases on Jul 24, 2026No releases on Jul 31, 2026No releases on Aug 7, 2026
SaturdayNo releases on May 9, 2026No releases on May 16, 2026No releases on May 23, 2026No releases on May 30, 2026No releases on Jun 6, 2026No releases on Jun 13, 20261 release on Jun 20, 20261 release on Jun 27, 2026No releases on Jul 4, 2026No releases on Jul 11, 2026No releases on Jul 18, 2026No releases on Jul 25, 2026No releases on Aug 1, 2026

10 releases since May 5, 2026, busiest day 3

Changelog

v8.0.4

Fixed 3
  • Disallow `declare module M {}` in TypeScript
  • Forbid `let x!` and `let x! =` syntax in TypeScript
  • `replaceWith` in `Visitor#exit` should not stop traversal
v8.0.4 (2026-07-09)
:eyeglasses: Spec Compliance
  • babel-parser, babel-plugin-transform-typescript
  • babel-generator, babel-parser, babel-plugin-transform-typescript
:bug: Bug Fix
  • babel-traverse
:house: Internal
  • babel-helper-validator-identifier
Committers: 4
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How v8.0.4 went

v8.0.3

Fixed 2
  • Remove `isTSX` from `babel-plugin-syntax-typescript` types
  • Use `runtime: 'classic'` in the browser for React in babel-standalone
v8.0.3 (2026-06-27)
:bug: Bug Fix
  • babel-core, babel-plugin-syntax-typescript
  • babel-standalone
Committers: 2
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How v8.0.3 went

v8.0.2

Fixed 2
  • Use the @babel/core version when asserting version in @babel/standalone
  • Avoid double escaping slash in identifier validation
v8.0.2 (2026-06-18)
:bug: Bug Fix
  • Other
  • babel-helper-validator-identifier
:house: Internal
  • babel-plugin-proposal-decorators, babel-plugin-transform-regenerator, babel-preset-env
Committers: 2
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How v8.0.2 went

v8.0.1

Removed 1
  • Remove preset-env's useBuiltIns option
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
Committers: 2
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How v8.0.1 went

v8.0.0

Changed 2
  • Only extract source map comments at the end of the file for improved performance
  • Fallback to assuming ESM support with `modules: auto`
Fixed 2
  • Improve new callee parens check in generator
  • Support __proto__ as an export name in systemjs plugin
Removed 2
  • Remove corejs exports for `@babel/runtime-corejs3`
  • Remove `locations: "packed"` from babel-parser
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
: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
  • babel-plugin-transform-runtime, babel-runtime-corejs3, babel-runtime
  • babel-parser
:bug: Bug Fix
  • babel-generator
  • babel-plugin-transform-modules-systemjs
:memo: Documentation
:house: Internal
:running_woman: Performance
  • babel-core
Committers: 6
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How v8.0.0 went

v7.29.7

v7.29.7 (2026-05-25)

Re-release all packages with npm provenance attestations

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How v7.29.7 went

v7.29.6

Fixed 3
  • Catch up source map position in preserveFormat mode
  • Improve input source map handling
  • Preserve original identifier names from input sourcemaps
v7.29.6 (2026-05-25)
:bug: Bug Fix
  • babel-generator
  • babel-core
  • babel-core, babel-generator
    • #17998 Preserve original identifier names from input sourcemaps (#17992) (@Andarist)
Committers: 3
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How v7.29.6 went

v8.0.0-rc.6

Pre-release
Changed 1
  • Do not emit source map names for identical names
Fixed 3
  • Catch up source map position in preserveFormat
  • Improve inputSourceMap URL handling
  • Preserve original identifier names from input sourcemaps
v8.0.0-rc.6 (2026-05-25)

Re-release all packages with npm provenance attestations

:bug: Bug Fix
  • babel-generator
  • babel-core
  • babel-core, babel-generator
    • #17992 Preserve original identifier names from input sourcemaps (@Andarist)
:house: Internal
  • babel-core
  • babel-compat-data, babel-register
  • babel-helper-transform-fixture-test-runner, babel-node
  • 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
: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
Committers: 5
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How v8.0.0-rc.6 went

v8.0.0-rc.5

Pre-release
Changed 2
  • Use 0-based columns in code-frame to match Babel AST locations
  • Require Node.js `^22.18.0 || >=24.11.0`
Fixed 2
  • Update browser-upper.json in helper-globals
  • Improve module string name support in systemjs plugin
Removed 3
  • Disallow decorators on abstract/declare fields in parser
  • Remove `transform-object-set-prototype-of-to-assign` plugin
  • Remove noop plugins from `@babel/standalone`
Deprecated 1
  • Deprecate `spec` and `loose` plugin options in transform plugins
v8.0.0-rc.5 (2026-05-12)
:eyeglasses: Spec Compliance
:boom: Breaking Change
  • babel-code-frame, babel-core, babel-parser, babel-traverse
  • All packages
  • babel-plugin-transform-object-set-prototype-of-to-assign, babel-standalone
  • babel-standalone
: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
:bug: Bug Fix
  • babel-helper-globals
  • babel-plugin-transform-modules-systemjs
:memo: Documentation
: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
  • Other
Committers: 6
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How v8.0.0-rc.5 went

v7.29.5

v7.29.5 (2026-05-05)
:house: Internal
  • babel-preset-env
    • Update @babel/* dependencies
View originalPermalink
How v7.29.5 went

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