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)

v7.28.5

Compare Source

👓 Spec Compliance

• babel-parser
  • #​17446 Allow Runtime Errors for Function Call Assignment Targets (@​liuxingbaoyu)
• babel-helper-validator-identifier
  • #​17501 fix: update identifier to unicode 17 (@​fisker)

🐛 Bug Fix

• babel-plugin-proposal-destructuring-private
  • #​17534 Allow mixing private destructuring and rest (@​CO0Ki3)
• babel-parser
  • #​17521 Improve @babel/parser error typing (@​JLHwung)
  • #​17491 fix: improve ts-only declaration parsing (@​JLHwung)
• babel-plugin-proposal-discard-binding, babel-plugin-transform-destructuring
  • #​17519 fix: rest correctly returns plain array (@​liuxingbaoyu)
• babel-helper-create-class-features-plugin, babel-helper-member-expression-to-functions, babel-plugin-transform-block-scoping, babel-plugin-transform-optional-chaining, babel-traverse, babel-types
  • #​17503 Fix JSXIdentifier handling in isReferencedIdentifier (@​JLHwung)
• babel-traverse
  • #​17504 fix: ensure scope.push register in anonymous fn (@​JLHwung)

🏠 Internal

• babel-types
  • #​17494 Type checking babel-types scripts (@​JLHwung)

🏃‍♀️ Performance

• babel-core
  • #​17490 Faster finding of locations in buildCodeFrameError (@​liuxingbaoyu)

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)

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