Babel

v7.27.2 (2025-05-06)

🐛 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)

🏃‍♀️ Performance

• babel-cli

v7.27.1 (2025-04-30)

Thanks @kermanx and @woaitsAryan for your first PRs!

👓 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 Fix

• babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-traverse
  • #17137 fix: do expressions should allow early exit (@kermanx

v7.27.0 (2025-03-24)

Thanks @ishchhabra and @vovkasm for your first PRs!

👓 Spec Compliance

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

🚀 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)

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.

💥 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)
• Y

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.

💥 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-

v7.26.8 (2025-02-08)

🏠 Internal

• babel-preset-env
  • #17097 Update dependency babel-plugin-polyfill-corejs3 to ^0.11.0

v7.26.7 (2025-01-24)

Thanks @branchseer and @tquetano-netflix for your first PRs!

🐛 Bug Fix

• babel-helpers, babel-preset-env, babel-runtime-corejs3
  • #17086 Make "object without properties" helpers ES6-compatible (@tquetano-netflix)
• babel-plugin-transform-typeof-symbol
  • #17085 fix: Correctly handle typeof in arrow functions (@liuxingbaoyu)
• babel-parser
  • #17079 Respect ranges option in estree method value (@JLHwung)
• babel-core
  • #17052 Do not try to parse .ts configs as JSON if natively suppor

v7.26.6 (2025-01-13)

🐛 Bug Fix

• babel-plugin-transform-nullish-coalescing-operator
  • #17061 fix: Chaining nullish coalescing operators output size regression (@liuxingbaoyu)

Committers: 1

• @liuxingbaoyu

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

💥 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 typeArgumen

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

💥 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 (

v7.26.4 (2024-12-05)

↩️ Revert

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

Committers: 2

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