chore(deps): update babel monorepo

[renovate]

ℹ️ Note

This PR body was truncated due to platform limits.

This PR contains the following updates:

Package	Change	Age	Confidence
@babel/plugin-proposal-class-properties (source)	7.14.5 → 7.18.6
@babel/plugin-transform-regenerator (source)	7.14.5 → 7.29.8
@babel/preset-env (source)	7.15.6 → 7.29.7
@babel/preset-react (source)	7.14.5 → 7.29.7

---

Release Notes

babel/babel (@​babel/plugin-proposal-class-properties)

v7.18.6

Compare Source

👓 Spec Compliance

• babel-parser
  • #​14650 [ts] Disallow property access after instantiation expression (@​nicolo-ribaudo)
  • #​14636 [ts] Allow ...<...> followed by newline or binary operator (@​nicolo-ribaudo)
• babel-generator, babel-parser, babel-preset-env, babel-template
  • #​14668 JSON modules should be imported with default (@​JLHwung)

🐛 Bug Fix

• babel-helper-remap-async-to-generator, babel-plugin-proposal-async-generator-functions
  • #​14391 Transform await in computed class keys (@​Yokubjon-J)
• babel-plugin-transform-parameters
  • #​14694 fix: preserve function params type if possible (@​magic-akari)
• babel-core
  • #​14583 fix: Memory leak when deep cloning in babel-core (@​liuxingbaoyu)
• babel-core, babel-helper-check-duplicate-nodes, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-optional-chaining, babel-plugin-transform-runtime
  • #​14663 Fix import { types } from "@babel/core" with native ESM (@​nicolo-ribaudo)

🏠 Internal

• babel-standalone
  • #​14697 Add proposal-unicode-sets-regex to @babel/standalone (@​nicolo-ribaudo)
• Other
  • #​14687 chore: Update bench baselines (@​liuxingbaoyu)
• babel-generator, babel-types
  • #​14685 enable TS compiler option: strictBindCallApply (@​JLHwung)
• babel-code-frame, 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-define-map, babel-helper-explode-assignable-expression, babel-helper-fixtures, babel-helper-function-name, babel-helper-hoist-variables, 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-split-export-declaration, babel-helper-transform-fixture-test-runner, babel-helper-validator-option, babel-helper-wrap-function, babel-helpers, babel-highlight, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-external-helpers, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-class-static-block, babel-plugin-proposal-decorators, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-function-bind, babel-plugin-proposal-function-sent, babel-plugin-proposal-json-strings, babel-plugin-proposal-object-rest-spread, babel-plugin-proposal-optional-chaining, babel-plugin-proposal-partial-application, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-private-property-in-object, babel-plugin-proposal-record-and-tuple, babel-plugin-syntax-typescript, babel-plugin-transform-block-scoped-functions, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-computed-properties, babel-plugin-transform-destructuring, babel-plugin-transform-duplicate-keys, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-for-of, babel-plugin-transform-function-name, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-plugin-transform-object-super, babel-plugin-transform-parameters, 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-source, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-plugin-transform-typescript, babel-plugin-transform-unicode-escapes, babel-preset-env, babel-preset-typescript, babel-standalone, babel-template, babel-traverse, babel-types
  • #​14601 enable noImplicitAny (@​JLHwung)
• babel-core, babel-helper-transform-fixture-test-runner, babel-plugin-transform-destructuring
  • #​14659 Run Babel asynchronously in fixtures (@​nicolo-ribaudo)

v7.17.12

Compare Source

🐛 Bug Fix

• babel-plugin-transform-react-constant-elements
  • #​14536 Never hoist JSX elts referencing vars from the current scope (@​nicolo-ribaudo)
• babel-generator
  • #​14524 fix: perserve parentheses of lhs id with rhs unamed fn (@​JLHwung)
  • #​14532 Print necessary parentheses for functions in postfix expressions (@​xiawenqi)
• babel-plugin-transform-destructuring
  • #​14494 Update scope info after destructuring transform (@​peey)
• babel-parser
  • #​14522 fix: allow liberal named type-as imports (@​JLHwung)
• babel-parser, babel-plugin-transform-destructuring, babel-types
  • #​14500 Fix parsing ts type casts and nested patterns in destructuring (@​nicolo-ribaudo)

🏠 Internal

• babel-plugin-proposal-decorators, babel-types
  • #​14519 @​babel/types builder improvements (@​JLHwung)
• babel-core
  • #​14490 Update to Jest 28 (@​JLHwung)
• babel-core, babel-generator, babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin, babel-helper-module-transforms, babel-helper-plugin-utils, babel-parser, 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-async-generator-functions, babel-plugin-proposal-class-properties, babel-plugin-proposal-class-static-block, babel-plugin-proposal-decorators, babel-plugin-proposal-export-default-from, babel-plugin-proposal-export-namespace-from, babel-plugin-proposal-function-sent, babel-plugin-proposal-json-strings, babel-plugin-proposal-logical-assignment-operators, babel-plugin-proposal-nullish-coalescing-operator, babel-plugin-proposal-object-rest-spread, babel-plugin-proposal-optional-chaining, babel-plugin-proposal-partial-application, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-private-methods, babel-plugin-proposal-private-property-in-object, babel-plugin-proposal-record-and-tuple, babel-plugin-proposal-unicode-property-regex, babel-plugin-syntax-decorators, babel-plugin-syntax-destructuring-private, babel-plugin-syntax-flow, babel-plugin-syntax-import-assertions, babel-plugin-syntax-pipeline-operator, babel-plugin-syntax-record-and-tuple, babel-plugin-syntax-typescript, babel-plugin-transform-arrow-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-computed-properties, babel-plugin-transform-destructuring, babel-plugin-transform-duplicate-keys, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-for-of, babel-plugin-transform-instanceof, babel-plugin-transform-jscript, babel-plugin-transform-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-parameters, babel-plugin-transform-property-mutators, babel-plugin-transform-proto-to-assign, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-jsx, babel-plugin-transform-reserved-words, babel-plugin-transform-runtime, babel-plugin-transform-spread, babel-plugin-transform-template-literals, babel-plugin-transform-typeof-symbol, babel-plugin-transform-typescript, babel-preset-env, babel-preset-flow, babel-preset-react, babel-preset-typescript, babel-traverse, babel-types
  • #​14499 Provide plugin/preset typings from plugin-utils (@​JLHwung)

v7.16.7

Compare Source

👓 Spec Compliance

• babel-parser
  • #​14049 fix: check preceding line break before exclamation (@​JLHwung)

🐛 Bug Fix

• babel-plugin-transform-runtime, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​14081 Import the correct ./typeof.js helper in @babel/runtime (@​exb)
• babel-helpers
  • #​14072 Fix derived classes in Chrome <= 36 (@​nicolo-ribaudo)
• babel-helper-function-name, babel-plugin-transform-function-name
  • #​14047 Fix unicode handling in generated function names (@​The-x-Theorist)

💅 Polish

• babel-core
  • #​14067 Allow $schema property in json config files (@​The-x-Theorist)

v7.16.5

Compare Source

👓 Spec Compliance

• babel-cli, babel-core, babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-jscript, babel-plugin-transform-parameters, babel-plugin-transform-runtime, babel-plugin-transform-spread, babel-plugin-transform-typescript, babel-preset-env
  • #​12115 Mark class prototype as read-only (@​wentout)

🐛 Bug Fix

• babel-plugin-transform-parameters
  • #​14032 Fix: default rest argument array elements as undefined (@​The-x-Theorist)
• babel-plugin-transform-arrow-functions, babel-traverse
  • #​14036 Don't resolve shadowed arguments variables from functions (@​The-x-Theorist)
• babel-parser
  • #​14039 maintain estree string literal shape when cloned (@​JLHwung)
• babel-traverse
  • #​14016 Fix duplicate declaration error on ambient class declarations (@​The-x-Theorist)
• babel-generator
  • #​14014 Support flow function type annotation with no parent (@​krosenberg)
• babel-plugin-transform-react-jsx
  • #​14012 Fix JSX pragma anywhere in comment (@​The-x-Theorist)
• babel-helper-create-class-features-plugin, babel-helper-environment-visitor, babel-helper-member-expression-to-functions, babel-helper-module-transforms, babel-helper-replace-supers, babel-plugin-transform-classes, babel-traverse
  • #​14005 Fix handling of this&co in computed keys in arrows transform (@​nicolo-ribaudo)

💅 Polish

• babel-parser
  • #​13968 Recover from shorthand assign exprs (@​JLHwung)
  • #​13975 fix: update UnexpectedPrivateField error message (@​JLHwung)

📝 Documentation

• babel-compat-data, babel-helper-annotate-as-pure, babel-helper-builder-binary-assignment-operator-visitor, babel-helper-builder-react-jsx, babel-helper-compilation-targets, babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin, babel-helper-define-map, babel-helper-explode-assignable-expression, babel-helper-fixtures, babel-helper-function-name, babel-helper-get-function-arity, babel-helper-hoist-variables, 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-split-export-declaration, babel-helper-transform-fixture-test-runner, babel-helper-validator-identifier, babel-helper-validator-option, babel-helper-wrap-function, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-proposal-async-do-expressions, babel-plugin-proposal-record-and-tuple, babel-plugin-syntax-async-do-expressions, babel-plugin-syntax-module-blocks, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-pure-annotations, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​14006 Regenerate monorepo READMEs (@​nicolo-ribaudo)

🏠 Internal

• babel-cli, babel-code-frame, babel-core, babel-generator, babel-helper-annotate-as-pure, babel-helper-compilation-targets, babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin, babel-helper-fixtures, babel-helper-module-imports, babel-helper-optimise-call-expression, babel-helper-plugin-test-runner, babel-helper-transform-fixture-test-runner, babel-helper-validator-identifier, babel-helper-validator-option, babel-helpers, babel-highlight, babel-node, babel-parser, 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-async-generator-functions, babel-plugin-proposal-class-properties, babel-plugin-proposal-class-static-block, babel-plugin-proposal-decorators, babel-plugin-proposal-do-expressions, babel-plugin-proposal-dynamic-import, babel-plugin-proposal-export-default-from, babel-plugin-proposal-export-namespace-from, babel-plugin-proposal-function-bind, babel-plugin-proposal-function-sent, babel-plugin-proposal-json-strings, babel-plugin-proposal-logical-assignment-operators, babel-plugin-proposal-nullish-coalescing-operator, babel-plugin-proposal-numeric-separator, babel-plugin-proposal-object-rest-spread, babel-plugin-proposal-optional-catch-binding, babel-plugin-proposal-optional-chaining, babel-plugin-proposal-partial-application, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-private-methods, babel-plugin-proposal-private-property-in-object, babel-plugin-proposal-record-and-tuple, babel-plugin-proposal-throw-expressions, babel-plugin-proposal-unicode-property-regex, babel-plugin-syntax-decorators, babel-plugin-syntax-typescript, babel-plugin-transform-arrow-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoped-functions, babel-plugin-transform-block-scoping, 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-exponentiation-operator, 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-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-object-super, babel-plugin-transform-parameters, 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-regex, babel-preset-env, babel-preset-flow, babel-preset-react, babel-preset-typescript, babel-register, babel-standalone, babel-template, babel-traverse, babel-types
  • #​13966 Run tests in a native Node.js ESM environment (@​nicolo-ribaudo)
• babel-parser
  • #​13982 Extend hasPlugin to accept plugin-configuration array pairs (@​js-choi)
• babel-helpers
  • #​13996 Don't use ESM for required files in @babel/helpers tests (@​nicolo-ribaudo)
• babel-plugin-proposal-object-rest-spread, babel-traverse
  • #​13948 Convert proposal-object-rest-spread to TS (@​JLHwung)
• babel-parser, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-proposal-optional-chaining, babel-preset-react, babel-preset-typescript
  • #​13978 Only bundle the release build, and don't import src in tests (@​nicolo-ribaudo)
• Other
  • #​13976 Fail CI when @babel/runtime ESM tests fail (@​nicolo-ribaudo)

🏃‍♀️ Performance

• babel-parser
  • #​13919 Improve template tokenizing (@​JLHwung)

🔬 Output optimization

• babel-helpers, babel-plugin-proposal-async-generator-functions, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2, babel-runtime
  • #​13837 minify helpers-generated.ts (@​lightmare)

v7.16.0

Compare Source

👓 Spec Compliance

• babel-helpers, babel-plugin-proposal-async-generator-functions, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​13824 Await promises from sync iterators with for-await (@​nicolo-ribaudo)

🚀 New Feature

• babel-generator, babel-parser, babel-plugin-transform-typescript, babel-types
  • #​13802 Support TypeScript 4.5 type-only import/export specifiers (@​sosukesuzuki)
• babel-parser
  • #​13887 feat: support startColumn option (@​JLHwung)
• babel-helper-fixtures, babel-helper-transform-fixture-test-runner, babel-parser, babel-plugin-syntax-typescript, babel-preset-typescript
  • #​13838 Handle .mts and .cts files in @babel/preset-typescript (@​nicolo-ribaudo)
• Other
  • #​13782 Add ESLint 8 support to @babel/eslint-parser (@​nicolo-ribaudo)
• babel-generator, babel-parser, babel-plugin-proposal-pipeline-operator, babel-plugin-syntax-pipeline-operator
  • #​13749 Caret topic (pipe operator) (@​js-choi)
• babel-compat-data, babel-generator, babel-parser, babel-preset-env, babel-types
  • #​13713 Enable class static blocks by default (@​sosukesuzuki)
• babel-helper-skip-transparent-expression-wrappers, babel-plugin-proposal-optional-chaining
  • #​13687 add skipTransparentExprWrapperNodes helper (@​lightmare)
• babel-traverse, babel-types
  • #​13666 Add aliases for Standardized, TypeScript, and Flow (@​jridgewell)

🐛 Bug Fix

• babel-parser, babel-plugin-transform-typescript
  • #​13876 [ts] Support private methods overloads (@​nicolo-ribaudo)
• babel-plugin-transform-typescript
  • #​13865 fix: allow enum member without initializer after non-literal member (@​lightmare)
• babel-core, babel-helper-create-class-features-plugin, babel-plugin-transform-typescript
  • #​13854 Don't transform declare class in plugin-proposal-class-properties (@​forivall)
• babel-compat-data, babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-transform-react-constant-elements, babel-preset-env, babel-traverse
  • #​13842 Implement @​babel/plugin-bugfix-safari-id-destructuring-collision-in-function-expression (@​JLHwung)
• babel-plugin-proposal-async-generator-functions, babel-traverse
  • #​13813 Restore traversal context after enter / traverse (@​JLHwung)
• babel-traverse, babel-types
  • #​13832 Mark static block as FunctionParent (@​JLHwung)
• babel-generator
  • #​13825 Fix missing inner comments in function expressions (@​overlookmotel)

🏠 Internal

• Every package
  • #​13772 Use workspace:^ to specify @babel/ dependencies (@​nicolo-ribaudo)
• Other
  • #​13856 Update to Yarn 3.1 (@​nicolo-ribaudo)
  • #​13867 Test on Node.js 17 (@​nicolo-ribaudo)
• babel-helper-fixtures, babel-plugin-proposal-class-properties, babel-plugin-transform-runtime, babel-preset-react
  • #​13858 Force loading plugins/presets from the monorepo in tests (@​nicolo-ribaudo)
• babel-types
  • #​13844 [ts] precise return type on createTypeAnnotationBasedOnTypeof (babel-types) (@​lightmare)
• babel-helpers
  • #​13841 minor: remove ineffectual helper names filter (@​lightmare)
• babel-core, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-types
  • #​13820 Improve transform-react-jsx typings (@​JLHwung)

🏃‍♀️ Performance

• babel-types
  • #​13843 Simplify (transpiled) babel-types builder wrappers (@​lightmare)

babel/babel (@​babel/plugin-transform-regenerator)

v7.29.8

Compare Source

v7.29.8 (2026-07-31)

👓 Spec Compliance

• babel-generator, babel-parser, babel-plugin-transform-spread, babel-traverse, babel-types
  • #​17871 Disallow super call after new (@​JLHwung)

🐛 Bug Fix

• babel-generator
  • #​18046 fix(generator): improve new callee parens check (@​JLHwung)
• babel-node, babel-plugin-transform-modules-systemjs
  • #​18044 fix(systemjs): support __proto__ as an export name (@​JLHwung)

Committers: 2

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

v7.29.7

Compare Source

v7.29.7 (2026-05-25)

Re-release all packages with npm provenance attestations

v7.29.0

Compare Source

v7.29.0 (2026-01-31)

Thanks @​simbahax for your first PR!

🚀 New Feature

• babel-types
  • #​17750 [7.x backport] Add attributes import declaration builder (@​JLHwung)
• babel-standalone
  • #​17663 [7.x backport] feat(standalone): export async transform (@​JLHwung)
  • #​17725 [7.x backport] feat: read standalone targets from data-targets (@​JLHwung)

🐛 Bug Fix

• babel-parser
  • #​17765 fix(parser): correctly parse type assertions in extends clause (@​nicolo-ribaudo)
  • #​17723 [7.x backport] fix(parser): improve super type argument parsing (@​JLHwung)
• babel-traverse
  • #​17708 fix(traverse): provide a hub when traversing a File or Program and no parentPath is given (@​simbahax)
• babel-plugin-transform-block-scoping, babel-traverse
  • #​17737 [7.x backport] fix: Rename switch discriminant references when body creates shadowing variable (@​magic-akari)

🏃‍♀️ Performance

• babel-generator, babel-runtime-corejs3
  • #​17642 [Babel 7] Improve generator performance (@​liuxingbaoyu)

Committers: 6

• David (@​simbahax)
• Huáng Jùnliàng (@​JLHwung)
• Nicolò Ribaudo (@​nicolo-ribaudo)
• @​liuxingbaoyu
• @​magic-akari

v7.28.6

Compare Source

v7.28.6 (2026-01-12)

Thanks @​kadhirash and @​kolvian for your first PRs!

🐛 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)

💅 Polish

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

🏠 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)

🏃‍♀️ 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)

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)

v7.28.1

Compare Source

🐛 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)

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)

v7.27.5

Compare Source

🐛 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)

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)

v7.27.1

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](https://redirect.github.co

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