chore(deps): update babel monorepo

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@babel/core (source)	7.26.0 -> 7.28.4
@babel/parser (source)	7.26.5 -> 7.28.4
@babel/preset-env (source)	7.26.0 -> 7.28.3
@babel/types (source)	7.26.5 -> 7.28.4

---

Release Notes

babel/babel (@​babel/core)

v7.28.4

Compare Source

🏠 Internal

• babel-core, babel-helper-check-duplicate-nodes, babel-traverse, babel-types
  • #​17493 Update Jest to v30.1.1 (@​JLHwung)
• babel-plugin-transform-regenerator
  • #​17455 chore: Clean up transform-regenerator (@​liuxingbaoyu)
• babel-core
  • #​17474 Switch to @​jridgewell/remapping (@​mrginglymus)

v7.28.3

Compare Source

👓 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-runtime
  • #​17363 Do not save last yield in call in temp var (@​nicolo-ribaudo)

📝 Documentation

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

🏠 Internal

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

🔬 Output optimization

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

v7.28.0

Compare Source

🚀 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 Fix

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

🏠 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)

v7.27.7

Compare Source

👓 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-plugin-transform-parameters
  • #​17352 fix: Params of async function* should throw synchronously (@​liuxingbaoyu)

🏠 Internal

• babel-plugin-transform-destructuring, babel-plugin-transform-object-rest-spread
  • #​17389 Use NodePath#splitExportDeclaration in destructuring transforms (@​JLHwung)

v7.27.4

Compare Source

👓 Spec Compliance

• babel-parser, babel-plugin-proposal-explicit-resource-management
  • #​17323 Disallow using in bare case statement (@​JLHwung)

💅 Polish

• babel-parser
  • #​17311 Improve parseExpression error messages (@​JLHwung)

🔬 Output optimization

• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​17287 Reduce regenerator size more (@​liuxingbaoyu)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs3
  • #​17334 Use shorter method names for regenerator context (@​nicolo-ribaudo)
  • #​17268 Reduce regenerator helper size (@​liuxingbaoyu)
• babel-core, babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime, babel-standalone
  • #​17238 Split regeneratorRuntime into multiple helpers (@​nicolo-ribaudo)

v7.27.3

Compare Source

🐛 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 (@​JLHwung)
• babel-plugin-proposal-decorators, babel-types
  • #​17321 fix(converter): Remove abstract modifiers in class declaration to expression conversion (@​magic-akari)
• babel-helper-module-transforms, babel-plugin-proposal-explicit-resource-management, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd
  • #​17257 Preserve class id when transforming using declarations with exported class (@​JLHwung)
• babel-parser
  • #​17312 fix(parser): properly handle optional markers in generator class methods (@​magic-akari)
  • #​17307 fix(parser): Terminate modifier parsing at newline (@​magic-akari)
• babel-generator, babel-parser
  • #​17308 Improve import phase parsing (@​JLHwung)

v7.27.1

Compare Source

👓 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)
• 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)

💅 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)

🏠 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)
• Other
  • #​17232 Bump typescript-eslint to 8.29.1 (@​JLHwung)
  • #​17219 test: add basic typescript-eslint integration tests (@​JLHwung)
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)
• babel-register
  • #​16844 Migrate @babel/register to cts (@​liuxingbaoyu)
• babel-cli, babel-compat-data, babel-core, babel-generator, babel-helper-compilation-targets, babel-helper-fixtures, babel-helper-module-imports, babel-helper-module-transforms, babel-helper-plugin-test-runner, babel-helper-transform-fixture-test-runner, babel-helpers, babel-node, babel-parser, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-plugin-transform-react-display-name, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-plugin-transform-typeof-symbol, babel-plugin-transform-typescript, babel-preset-env, babel-register, babel-standalone, babel-types
  • #​17207 Enforce node protocol import (@​JLHwung)
• babel-plugin-transform-regenerator
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)
• 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)
• babel-helpers, babel-plugin-transform-regenerator
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)
• babel-helpers
  • #​17205 Inline regenerator in the relevant packages (@​nicolo-ribaudo)

🔬 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)

v7.26.10

Compare Source

👓 Spec Compliance

• babel-parser
  • #​17159 Disallow decorator in array pattern (@​JLHwung)

🐛 Bug Fix

• babel-parser, babel-template
  • #​17164 Fix: always initialize ExportDeclaration attributes (@​JLHwung)
• babel-core
  • #​17142 fix: "Map maximum size exceeded" in deepClone (@​liuxingbaoyu)
• babel-parser, babel-plugin-transform-typescript
  • #​17154 Update typescript parser tests (@​JLHwung)
• babel-traverse
  • #​17151 fix: Should not evaluate vars in child scope (@​liuxingbaoyu)
• babel-generator
  • #​17153 fix: Correctly generate abstract override (@​liuxingbaoyu)
• babel-parser
  • #​17107 Fix source type detection when parsing TypeScript (@​JLHwung)
• babel-helpers, babel-runtime, babel-runtime-corejs2, babel-runtime-corejs3
  • #​17173 Fix processing of replacement pattern with named capture groups (@​mmmsssttt404)

💅 Polish

• babel-standalone
  • #​17158 Avoid warnings when re-bundling @​babel/standalone with webpack (@​liuxingbaoyu)

🏠 Internal

• babel-parser
  • #​17160 Left-value parsing cleanup (@​JLHwung)

v7.26.9

Compare Source

🐛 Bug Fix

• babel-types
  • #​17103 fix: Definition for TSPropertySignature.kind (@​liuxingbaoyu)
• babel-generator, babel-types
  • #​17062 Print TypeScript optional/definite in ClassPrivateProperty (@​jamiebuilds-signal)

🏠 Internal

• babel-types
  • #​17130 Use .ts files with explicit reexports to solve name conflicts (@​nicolo-ribaudo)
• babel-core
  • #​17127 Do not depend on @types/gensync in Babel 7 (@​nicolo-ribaudo)

v7.26.8

Compare Source

v7.26.8 (2025-02-08)

🏠 Internal

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

v7.26.7

Compare Source

🐛 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 supported (@​nicolo-ribaudo)
• babel-plugin-transform-typescript
  • #​17050 fix: correctly resolve references to non-constant enum members (@​branchseer)
• babel-plugin-transform-typescript, babel-traverse, babel-types
  • #​17025 fix: Remove type-only import x = y.z (@​liuxingbaoyu)

babel/babel (@​babel/parser)

v7.28.4

Compare Source

v7.28.4 (2025-09-05)

Thanks @​gwillen and @​mrginglymus for your first PRs!

🏠 Internal

• babel-core, babel-helper-check-duplicate-nodes, babel-traverse, babel-types
  • #​17493 Update Jest to v30.1.1 (@​JLHwung)
• babel-plugin-transform-regenerator
  • #​17455 chore: Clean up transform-regenerator (@​liuxingbaoyu)
• babel-core
  • #​17474 Switch to @​jridgewell/remapping (@​mrginglymus)

Committers: 5

• Babel Bot (@​babel-bot)
• Bill Collins (@​mrginglymus)
• Glenn Willen (@​gwillen)
• Huáng Jùnliàng (@​JLHwung)
• @​liuxingbaoyu

v7.28.3

Compare Source

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-runtime
  • #​17363 Do not save last yield in call in temp var (@​nicolo-ribaudo)

📝 Documentation

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

🏠 Internal

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

🔬 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)

v7.28.0

Compare Source

v7.28.0 (2025-07-02)

🚀 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 Fix

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

🏠 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)

v7.27.7

Compare Source

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-plugin-transform-parameters
  • #​17352 fix: Params of async function* should throw synchronously (@​liuxingbaoyu)

🏠 Internal

• babel-plugin-transform-destructuring, babel-plugin-transform-object-rest-spread
  • #​17389 Use NodePath#splitExportDeclaration in destructuring transforms (@​JLHwung)

Committers: 6

• Arthur (@​arthur-mountain)
• Babel Bot (@​babel-bot)
• Evan Anderson (@​evankanderson)
• Huáng Jùnliàng (@​JLHwung)
• Nicolò Ribaudo (@​nicolo-ribaudo)
• @​liuxingbaoyu

v7.27.5

Compare Source

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

v7.27.4

Compare Source

v7.27.4 (2025-05-30)

👓 Spec Compliance

• babel-parser, babel-plugin-proposal-explicit-resource-management
  • #​17323 Disallow using in bare case statement (@​JLHwung)

💅 Polish

• babel-parser
  • #​17311 Improve parseExpression error messages (@​JLHwung)

🔬 Output optimization

• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​17287 Reduce regenerator size more (@​liuxingbaoyu)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs3
  • #​17334 Use shorter method names for regenerator context (@​nicolo-ribaudo)
  • #​17268 Reduce regenerator helper size (@​liuxingbaoyu)
• babel-core, babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime, babel-standalone
  • #​17238 Split regeneratorRuntime into multiple helpers (@​nicolo-ribaudo)

Committers: 4

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

v7.27.3

Compare Source

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 (@​JLHwung)
• babel-plugin-proposal-decorators, babel-types
  • #​17321 fix(converter): Remove abstract modifiers in class declaration to expression conversion (@​magic-akari)
• babel-helper-module-transforms, babel-plugin-proposal-explicit-resource-management, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd
  • #​17257 Preserve class id when transforming using declarations with exported class (@​JLHwung)
• babel-parser
  • #​17312 fix(parser): properly handle optional markers in generator class methods (@​magic-akari)
  • #​17307 fix(parser): Terminate modifier parsing at newline (@​magic-akari)
• babel-generator, babel-parser
  • #​17308 Improve import phase parsing (@​JLHwung)

Committers: 7

• Babel Bot (@​babel-bot)
• Huáng Jùnliàng (@​JLHwung)
• Nicolò Ribaudo (@​nicolo-ribaudo)
• Vik R (@​vikr01)
• @​liuxingbaoyu
• @​magic-akari
• fisker Cheung (@​fisker)

v7.27.2

Compare Source

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
  • #​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

v7.27.1

Compare Source

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)
• 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)

💅 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)

🏠 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)

🔬 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)

v7.27.0

Compare Source

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)
• 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
  • [#​171

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