v7.29.13 (2026-11-04)

🐛 Bug Fix

• babel-generator, babel-parser
  • #18522 fix(parser): start decorated object members at their first decorator (@babel-bot)
• babel-parser
  • #18520 fix(parser): allow TS imports to define exports declared before them (@babel-bot)
  • #18485 fix(parser): allow lone yield before in in an Annex B for-in init (@babel-bot)
  • #18483 fix(parser): respect unicode escape in isUnparsedContextual (@babel-bot)
  • #18452 fix(parser): remove non-decimal prefix from bigint (@babel-bot)
  • #18449 fix(parser): allow await as a function expression name inside async arrow (@babel-bot)
  • #18453 Disallow new import prop access (@babel-bot)
  • #18450 Improve F# pipeline direct body check (@babel-bot)
  • #18446 fix(parser): set phase: null for non-deferred imports with deferredImportEvaluation (#18313) (@babel-bot)
  • #18448 Fix TypeScript parser failing on async calls in ternary consequent (@babel-bot)
• babel-generator
  • #18521 fix(generator): print override modifier of TSParameterProperty (@babel-bot)
  • #18509 fix(generator): do not apply jsesc number radix to non-integer literals (@babel-bot)
  • #18500 fix(generator): escape of binding of a using declaration in for-of head (@babel-bot)
  • #18461 fix: invalid minified: true output for new expression (@babel-bot)
  • #18476 fix: preserve trailing comma in optional call args (@babel-bot)
  • #18456 fix(generator): keep parens for ?. chain in tag (@babel-bot)
  • #18454 fix(generator): preserve type modifier in TSImportEqualsDeclaration (@babel-bot)
• babel-plugin-transform-block-scoping
  • #18518 Fix initialization of nested for loop head declarations (@babel-bot)
  • #18465 fix: improve for loop closure environment check (@babel-bot)
  • #18464 fix: assign closure body after handling return (@babel-bot)
• babel-helper-module-transforms, babel-plugin-transform-modules-commonjs
  • #18499 fix: commonjs namespace re-export with a string export name (@babel-bot)
• babel-helper-skip-transparent-expression-wrappers, babel-plugin-transform-optional-chaining
  • #18482 Fix optional call losing the receiver through a TS instantiation expression (@babel-bot)
• babel-plugin-proposal-partial-application
  • #18479 fix(partial-app): support super method call (@babel-bot)
• babel-register
  • #18481 fix(register): skip hook for ignored files (@babel-bot)
• babel-helper-create-class-features-plugin, babel-plugin-transform-private-property-in-object
  • #18462 Return false for #x in on static private fields before initialization (@babel-bot)
• babel-traverse
  • #18480 fix(babel-traverse): check variable shadowing for global object callees (@babel-bot)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
  • #18478 Fix decorators interaction with abstract/declare fields (@babel-bot)
• babel-core
  • #18463 fix(core): createConfigItem allows cb as 2nd arg (@babel-bot)
• babel-plugin-bugfix-safari-rest-destructuring-rhs-array
  • #18457 fix(bugfix): bound check before array access (@babel-bot)
• Other
  • #18459 Fix eslint-parser AST definition of AccessorProperty (@babel-bot)
• babel-plugin-transform-destructuring
  • #18460 fix: only collapse the empty-object check when it targets the declared binding (@babel-bot)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-runtime-corejs3
  • #18458 Fix asyncIterator helper forwarding .throw() to .return() (@babel-bot)
• babel-plugin-transform-for-of
  • #18455 Skip for await in transform-for-of (@babel-bot)
• babel-helper-string-parser, babel-parser
  • #18447 fix: polish error message for invalid binary 0b19 (@babel-bot)

Committers: 1

• Babel Bot (@babel-bot)

v8.1.1 (2026-11-02)

This release includes @babel/plugin-proposal-bytes-modules, @babel/plugin-proposal-filtered-namespaces, and @babel/plugin-proposal-text-modules, which were accidentally excluded from 8.1.0.

v8.1.0 (2026-11-02)

NOTE: @babel/plugin-proposal-bytes-modules, @babel/plugin-proposal-filtered-namespaces, and @babel/plugin-proposal-text-modules were accidentally excluded from this release. We're working on re-publishing the as 8.1.1.

Thanks @Kjubikstronk for your first PR!

🚀 New Feature

• babel-helper-module-transforms, babel-helper-transform-fixture-test-runner, babel-helpers, babel-plugin-proposal-bytes-modules, babel-plugin-proposal-filtered-namespaces, babel-plugin-proposal-import-wasm-source, babel-plugin-proposal-text-modules, babel-plugin-transform-dynamic-import, babel-plugin-transform-json-modules, babel-runtime-corejs3, babel-runtime, babel-standalone
  • #18316 Add transform support for filtered namespaces (@nicolo-ribaudo)
• babel-generator, babel-helper-import-to-platform-api, babel-helper-module-transforms, babel-parser, babel-plugin-transform-export-namespace-from, babel-plugin-transform-json-modules, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-traverse, babel-types
  • #18311 Add parsing&printing support for filtered namespaces (@nicolo-ribaudo)
• Other
  • #18009 Add babel/no-empty eslint rule (@JLHwung)
  • #17956 Add eslint-plugin configs (@JLHwung)
• babel-helper-import-to-platform-api, babel-helper-transform-fixture-test-runner, babel-helpers, babel-plugin-proposal-bytes-modules, babel-plugin-proposal-import-wasm-source, babel-plugin-proposal-text-modules, babel-plugin-transform-json-modules, babel-runtime-corejs3, babel-runtime
  • #17817 Add support for type: bytes and type: text imports (@nicolo-ribaudo)
• babel-generator, babel-parser, babel-traverse, babel-types
  • #17624 Add parse support for the "structs" proposal (only non-shared) (@JLHwung)
• babel-generator, babel-parser, babel-types
  • #17980 Parse Import Sync proposal (@JLHwung)
• babel-generator, babel-helper-module-transforms, babel-parser, babel-plugin-transform-export-namespace-from, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd, babel-types
  • #18310 Add parsing&printing support for export defer (@nicolo-ribaudo)
• babel-cli, babel-core, babel-generator, babel-helper-transform-fixture-test-runner
  • #18006 Add experimental support for range mappings in source maps (@nicolo-ribaudo)
• babel-core
  • #18275 feat(core): export generate from babel-generator (@JLHwung)
• babel-core, babel-plugin-transform-classes
  • #18387 Add noUninitializedThis assumption (@nicolo-ribaudo)
  • #18386 Add noClassPrototypeAssign and noConstructorPrimitiveReturn (@nicolo-ribaudo)

🐛 Bug Fix

• babel-parser
  • #18444 fix(parser): allow lone yield before in in an Annex B for-in init (@JLHwung)
  • #18443 fix(parser): respect unicode escape in isUnparsedContextual (@JLHwung)
• babel-helper-skip-transparent-expression-wrappers, babel-plugin-transform-optional-chaining
  • #18477 Fix optional call losing the receiver through a TS instantiation expression (@Kjubikstronk)

🔬 Output optimization

• babel-helpers, babel-runtime-corejs3
  • #18435 polish: shrink importDeferProxy size (@JLHwung)

Committers: 4

• Babel Bot (@babel-bot)
• Huáng Jùnliàng (@JLHwung)
• Miodrag Obradovic (@Kjubikstronk)
• Nicolò Ribaudo (@nicolo-ribaudo)

v8.0.10 (2026-10-29)

Thanks @dagemawinegash, @nyan-left, @saiyam-jain-dev, and @yulman2207 for your first PRs!

🐛 Bug Fix

• babel-parser
  • #18420 fix(parser): improve radix literal rounding (@JLHwung)
  • #18372 fix(parser): allow parenthesized assignment target in arrow initializer (@JLHwung)
  • #18410 fix(parser): do not record strict mode errors during lookahead (@JLHwung)
  • #18433 fix(parser): invalid expectOnePlugin usage (@JLHwung)
  • #18409 fix(parser): handle ASI after let followed by a reserved word on the next line (@JLHwung)
  • #18406 fix(parser): parser should not crash for import defer {} (@JLHwung)
  • #18407 fix(parser): record start location in startNodeAt (@JLHwung)
• babel-plugin-transform-block-scoping
  • #18371 fix: closures in for-loop test and update capture wrong binding (@joellemd)
• babel-generator
  • #18418 fix(generator): keep aliases of string-literal module specifiers (@JLHwung)
  • #18427 Fix missing parentheses around TypeScript assertion targets (@dagemawinegash)
  • #18324 fix: invalid minified: true output for new expression (@JLHwung)
  • #18437 fix(generator): preserve type modifier in TSImportEqualsDeclaration (@saiyam-jain-dev)
  • #18424 Keep parentheses around TSInstantiationExpression operand (@yulman2207)
  • #18417 fix(generator): do not disallow line break after import source (@JLHwung)
• babel-plugin-transform-optional-chaining, babel-traverse
  • #18422 fix: Scope#push should not push iife param after rest element (@JLHwung)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
  • #18224 fix: avoid removable fields as decorator evaluation hosts (@nyan-left)
• babel-types
  • #18411 Allow member expression values in ObjectPattern properties (@JLHwung)
• babel-plugin-transform-classes
  • #18384 Leave loose class prototype mutable with accessors (@nicolo-ribaudo)

🏠 Internal

• babel-build-external-helpers, babel-core, babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-class-properties, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-regenerator, babel-runtime-corejs3, babel-runtime
  • #18397 Mangle top level names in helpers (@nicolo-ribaudo)

🏃‍♀️ Performance

• babel-traverse
  • #18413 perf(traverse): improve generateUid and push (@JLHwung)

🔬 Output optimization

• babel-helpers, babel-runtime-corejs3
  • #18325 Shrink jsx helper size (@JLHwung)

Committers: 8

• Deimantas Jakovlevas (@nyan-left)
• Huáng Jùnliàng (@JLHwung)
• Joelle Mahfoud (@joellemd)
• Nicolò Ribaudo (@nicolo-ribaudo)
• Saiyam Jain (@saiyam-jain-dev)
• Yuly Cohen (@yulman2207)
• @dagemawinegash
• @liuxingbaoyu

v7.29.12 (2026-10-29)

🐛 Bug Fix

• babel-parser
  • #18445 fix(parser): improve radix literal rounding (@babel-bot)
  • #18442 fix: allow parenthesized assignment target in arrow initializer (@babel-bot)
  • #18440 fix(parser): do not record strict mode errors during lookahead (@babel-bot)
  • #18434 fix(parser): invalid expectOnePlugin usage (@babel-bot)
  • #18431 fix(parser): parser should not crash for import defer {} (@babel-bot)
  • #18432 fix(parser): handle ASI after let followed by a reserved word on the next line (@babel-bot)
• babel-plugin-transform-block-scoping
  • #18441 fix: closures in for-loop test and update capture wrong binding (@babel-bot)
• babel-generator
  • #18439 fix(generator): keep aliases of string-literal module specifiers (@babel-bot)
  • #18426 Keep parentheses around TSInstantiationExpression operand (@babel-bot)
• babel-plugin-transform-optional-chaining, babel-traverse
  • #18428 fix: Scope#push should not push iife param after rest element (@babel-bot)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
  • #18225 [7.x backport] fix: avoid removable fields as decorator evaluation hosts (@nyan-left)

Committers: 2

• Babel Bot (@babel-bot)
• Deimantas Jakovlevas (@nyan-left)

v8.0.9 (2026-10-23)

This release contains no changes. It is needed only to update the repo (which is based on @babel/core's last release) in Node.js's CITGM.

v8.0.8 (2026-10-23)

Thanks @bhushan4work and @webdevelopersrinu for your first PRs!

👓 Spec Compliance

• babel-parser
  • #18366 fix(parser): disallow named specifiers after * as ns (@JLHwung)
  • #18336 fix(parser): disallow const x followed by linebreak and of (@JLHwung)
  • #18343 fix(parser): reject delete (x) when createParenthesizedExpressions: true (@JLHwung)
  • #18276 fix: report expression errors in object literals used as member base (@JLHwung)
  • #18286 Disallow arrow functions as new callee and await operand (@JLHwung)
  • #18309 Disallow call expressions as arrow function parameters in sloppy mode (@JLHwung)
  • #18315 Disallow eval and arguments as class names (@JLHwung)

🐛 Bug Fix

• babel-parser
  • #18392 fix(parser): set phase: null for non-deferred imports with deferredImportEvaluation (#18313) (@bhushan4work)
  • #18344 fix(parser): ASI between arrow body and /= regex (@JLHwung)
  • #18342 fix(parser): allow arguments as a label in class (@JLHwung)
  • #18365 fix(parser): allow ASI between property init and escaped in (@JLHwung)
  • #18327 fix(parser): register function id in labeled function declaration (@JLHwung)
  • #18323 Skip HTML-like comments in the parser's character lookahead (@JLHwung)
  • #18322 Allow ASI after export default from without exportDefaultFrom (@JLHwung)
• babel-helpers, babel-plugin-transform-destructuring, babel-plugin-transform-modules-commonjs, babel-runtime-corejs3, babel-runtime
  • #18186 Fix _arrayWithHoles bypassing custom Symbol.iterator on array-backed Proxies (@webdevelopersrinu)
• babel-plugin-transform-typescript, babel-types
  • #18380 fix(types): visit decorators of TSParameterProperty (@JLHwung)
• babel-plugin-transform-block-scoping
  • #18331 fix: wrap enclosing loop when a nested for head closure captures its bindings (@joellemd)

🏠 Internal

• babel-plugin-transform-classes
  • #18383 Remove internal usage of loose in class transform (@nicolo-ribaudo)

🔬 Output optimization

• babel-plugin-transform-spread
  • #18318 Avoid arrayLikeToArray for spreading literals (@nicolo-ribaudo)

Committers: 7

• Babel Bot (@babel-bot)
• Bhushan Agrawal (@bhushan4work)
• Huáng Jùnliàng (@JLHwung)
• Joelle Mahfoud (@joellemd)
• Nicolò Ribaudo (@nicolo-ribaudo)
• Srinu desetti (@webdevelopersrinu)
• @liuxingbaoyu

v7.29.11 (2026-10-23)

👓 Spec Compliance

• babel-parser
  • #18405 Disallow eval and arguments as class names (@babel-bot)
  • #18404 fix(parser): disallow const x followed by linebreak and of (@babel-bot)
  • #18400 fix(parser): disallow named specifiers after * as ns (@babel-bot)
  • #18374 fix(parser): reject delete (x) when createParenthesizedExpressions: true (@babel-bot)
  • #18373 Disallow call expressions as arrow function parameters in sloppy mode (@babel-bot)

🐛 Bug Fix

• babel-parser
  • #18403 fix(parser): ASI between arrow body and /= regex (@babel-bot)
  • #18402 Allow ASI after export default from without exportDefaultFrom (@babel-bot)
  • #18401 fix(parser): allow arguments as a label in class (@babel-bot)
  • #18378 Skip HTML-like comments in the parser's character lookahead (@babel-bot)
  • #18375 fix(parser): register function id in labeled function declaration (@babel-bot)
  • #18377 fix(parser): allow ASI between property init and escaped in (@babel-bot)
• babel-plugin-transform-classes
  • #18408 Leave loose class prototype mutable with accessors (@babel-bot)
• babel-plugin-transform-typescript, babel-types
  • #18391 fix(types): visit decorators of TSParameterProperty (@babel-bot)
• babel-plugin-transform-block-scoping
  • #18370 fix: wrap enclosing loop when a nested for head closure captures its bindings (@babel-bot)
  • #18364 fix: closures in for-loop init capture wrong binding (@babel-bot)

🏠 Internal

• babel-plugin-transform-classes
  • #18398 Remove internal usage of loose in class transform (@babel-bot)

🔬 Output optimization

• babel-plugin-transform-spread
  • #18390 Avoid arrayLikeToArray for spreading literals (@babel-bot)

Committers: 1

• Babel Bot (@babel-bot)

v8.0.7 (2026-10-07)

Thanks @brunoborta, @CINC0S, @hoobnn, and @jpradelle for your first PRs!

🐛 Bug Fix

• babel-helper-create-regexp-features-plugin, babel-plugin-transform-dotall-regex, babel-plugin-transform-unicode-sets-regex, babel-preset-env
  • #18295 Bump regexpu-core to 6.5.3 (@JLHwung)
• babel-plugin-transform-for-of
  • #18292 Skip for await in transform-for-of (@brunoborta)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-runtime-corejs3
  • #18283 Fix asyncIterator helper forwarding .throw() to .return() (@brunoborta)
• babel-parser
  • #18288 fix(parser): allow await as a function expression name inside async arrow (@JLHwung)
• babel-helpers, babel-plugin-transform-class-properties, babel-plugin-transform-modules-systemjs, babel-runtime-corejs3
  • #18284 Guard @@toPrimitive usage in toPrimitive helper (@nicolo-ribaudo)
• babel-plugin-transform-block-scoping
  • #18195 fix: closures in for-loop init capture wrong binding (@joelle-a-dev)
• babel-helper-create-class-features-plugin, babel-plugin-transform-private-property-in-object
  • #18265 Return false for #x in on static private fields before initialization (@hoobnn)
• babel-traverse
  • #18151 Evaluate TypeScript expression wrappers in NodePath#evaluate (@CINC0S)
  • #18250 fix(traverse): do not evaluate destructured bindings in path.evaluate (@wulu007)
• Other
  • #18257 Fix eslint-parser AST definition of AccessorProperty (@jpradelle)
• babel-core
  • #18254 fix(core): createConfigItem allows cb as 2nd arg (@JLHwung)

🏠 Internal

• babel-helpers, babel-plugin-transform-modules-commonjs, babel-runtime-corejs3
  • #18255 Simplify interopRequireWildcard helper (@nicolo-ribaudo)

Committers: 11

• Babel Bot (@babel-bot)
• Bruno "Borta" Bortagaray (@brunoborta)
• CINC05 (@CINC0S)
• Huáng Jùnliàng (@JLHwung)
• Joelle Mahfoud (@joelle-a-dev)
• Julien Pradelle (@jpradelle)
• Kevin Deng (@sxzz)
• Nicolò Ribaudo (@nicolo-ribaudo)
• Samual Norman (@samualtnorman)
• @wulu007
• hoobnn (@hoobnn)

v7.29.10 (2026-10-07)

🐛 Bug Fix

• babel-helpers, babel-plugin-transform-class-properties, babel-plugin-transform-modules-systemjs, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs3
  • #18287 Guard @@toPrimitive usage in toPrimitive helper (@babel-bot)
• babel-traverse
  • #18281 fix(traverse): do not evaluate destructured bindings in path.evaluate (@babel-bot)

🏠 Internal

• babel-helpers, babel-plugin-transform-modules-commonjs, babel-runtime-corejs3
  • #18279 Simplify interopRequireWildcard helper (@babel-bot)

Committers: 2

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