Babel

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

💥 Breaking Change

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

🐛 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)

💅 Polish

• babel-c

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

💥 Breaking Change

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

🐛 Bug Fix

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

💅 Polish

• babel-plugin-transform-block-scoping, babel-plugin-transfor

v7.28.3 (2025-08-14)

👓 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 Fix

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

💅 Polish

• babel-plugin-transform-regenerator, babel-plugin-transform-runti

v7.28.2 (2025-07-24)

Thanks @souhailaS for your first PR!

🐛 Bug Fix

• babel-types
  • #17445 [babel 7] Make operator param in t.tsTypeOperator optional (@nicolo-ribaudo)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
  • #17441 fix: regeneratorDefine compatibility with es5 strict mode (@liuxingbaoyu)

Committers: 4

• Babel Bot (@babel-bot)
• Nicolò Ribaudo (@nicolo-ribaudo)
• SOUHAILA SERBOUT (@souhailaS

v7.28.1 (2025-07-12)

🐛 Bug Fix

• babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator
  • #17426 fix: regenerator correctly handles throw outside of try (@liuxingbaoyu)

📝 Documentation

• babel-types
  • #17422 Add missing FunctionParameter docs (@JLHwung)

↩️ Revert

• babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-types
  • #17432 Do not mark OptionalMemberExpresion as LVal (@JLHwung)

Committe

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

💥 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-pl

v7.27.7 (2025-06-26)

Thanks @arthur-mountain and @evankanderson for your first PRs!

👓 Spec Compliance

• babel-parser, babel-plugin-transform-classes
  • #17203 Interepret parser allow* options as top level only (@JLHwung)
• babel-parser
  • #17371 fix: disable using in ambient context (@JLHwung)

🐛 Bug Fix

• babel-core
  • #17392 Improve TS babel config loading (@JLHwung)
• babel-types
  • #17376 fix: support negative bigint in valueToNode (@JLHwung)
• babel-plug

v7.27.6 (2025-06-05)

🐛 Bug Fix

• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
  • #17366 fix: finally causes unexpected return value (@liuxingbaoyu)
• babel-generator, babel-parser, babel-types
  • #17357 Ensure syntactic ordering when visiting array-type AST nodes (@JLHwung)

Committers: 3

• Huáng Jùnliàng (@JLHwung)
• Ingvar Stepanyan (@RReverser)
• @liuxingbaoyu

v7.27.5 (2025-06-03)

Thanks @NullVoxPopuli for your first PR!

🐛 Bug Fix

• babel-plugin-transform-regenerator
  • #17359 fix: Unexpected infinite loop with regenerator for try (@liuxingbaoyu)
• Other
  • #17349 Map ESLint's sourceType: commonjs to script (@JLHwung)

💅 Polish

• babel-parser
  • #17333 Improve using declaration errors (@JLHwung)

Committers: 4

• Babel Bot (@babel-bot)
• Huáng Jùnliàng (@JLHwung)
• @NullVoxPopuli
• @liuxingbaoyu<

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.

💥 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

v7.27.3 (2025-05-27)

🐛 Bug Fix

• babel-generator
  • #17324 Improve multiline comments handling in yield/await expression (@JLHwung)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
  • #17328 Correctly set .displayName on GeneratorFunction (@nicolo-ribaudo)
• babel-plugin-proposal-explicit-resource-management
  • #17319 fix: handle shadowed binding in for using of body (@JLHwung)
  • #17317 fix: support named evaluation for using declaration