npm · #1644 most downloaded on npm

@babel/preset-react

8.0.1babel/babel ↗New releases in your daily digest, changelog included.

Babel preset for all React plugins.

Last release 3 months ago
17 Jun 2026
Ships fairly regularly
a new release about every 4 weeks
Nearly every release is documented
notes for 39 of 40 stable releases
Nothing withdrawn
no release was ever pulled
9 years old
107 releases · first in 2017

Release timeline

107 releases since 2017

20172019202120232025

Releases

7.12.53 Nov 2020
Thanks @joelvh, @liuliangsir and @mondeja for your first PRs!
v7.12.5 (2020-11-03)

Thanks @joelvh, @liuliangsir and @mondeja for your first PRs!

:eyeglasses: Spec Compliance

babel-helpers, babel-plugin-transform-block-scoping

#12252 Throw a TypeError when reassigning a const (@nicolo-ribaudo)

:bug: Bug Fix

babel-parser

#12281 fix: support string assertion key in assert entries (@JLHwung)

#12264 fix: disallow import assertions in export without from (@JLHwung)

#12267 Handle exprAllowed before ObjectLike is parsed (@JLHwung)

#12230 Refactor yield await classification (@JLHwung)

#12254 Allows the interface to be used as an Identifier for flow plugin (@sosukesuzuki)

#12221 [ts] Error on invalid type casts in JSX (@existentialism)

#12227 [ts] Allow optional binding pattern parameters within types/interfaces (@existentialism)

#12224 Fix parsing of imports with module string name in flow plugin (@sosukesuzuki)

babel-parser, babel-types

#12280 Make assertions optional and update AST spec (@sosukesuzuki)

babel-template, babel-types

#12263 fix: babel-types: ImportDeclaration: add assertions (@coderaiser)

babel-generator

#12260 Do not use currentColumn to indent comments when retainLines=true (@ian-craig)

babel-generator, babel-parser

#12249 Support Import Assertions for re-export statement (@sosukesuzuki)

babel-plugin-proposal-numeric-separator

#12240 fix: support bigInt in numeric-separator transform (@JLHwung)

babel-helper-replace-supers, babel-plugin-transform-classes

#12238 fix: support optionalCall in replace super handler (@JLHwung)

babel-standalone

#12226 packages/babel-standalone: make data-type="module" option avilable without data-presets option (@hirochachacha)

:nail_care: Polish

babel-compat-data

#12244 chore: bump compat-table and electron-to-chromium (@JLHwung)

babel-parser, babel-preset-env

#12258 Polish parser errors (@JLHwung)

:memo: Documentation

#12222 docs: add note about TypeScript in ESLint packages (@kaicataldo)

:house: Internal

Other

#12187 chore: avoid duplicate coverage data upload (@JLHwung)

#12190 chore: bump Jest to v26 (@JLHwung)

#12265 chore: test on node 15 (@JLHwung)

babel-generator, babel-helper-module-imports, babel-helper-replace-supers, babel-parser, babel-traverse

#12257 add declare to class properties type annotations (@JLHwung)

babel-traverse, babel-types

#12251 Mark ThisExpression and Super as Purish (@nicolo-ribaudo)

babel-helper-compilation-targets, babel-preset-env

#12241 Update to Browserslist 4.14.5 (@nicolo-ribaudo)

Committers: 11

Brian Ng (@existentialism)

Huáng Jùnliàng (@JLHwung)

Ian Craig (@ian-craig)

Joel Van Horn (@joelvh)

Kai Cataldo (@kaicataldo)

Nicolò Ribaudo (@nicolo-ribaudo)

Sosuke Suzuki (@sosukesuzuki)

@hirochachacha

coderaiser (@coderaiser)

Álvaro Mondéjar (@mondeja)

流浪大法师 (@liuliangsir)

7.10.026 May 2020

Thanks @AndrewLeedham, @fisker, @kik-o, @kitos, @lazytype for their first PRs!

v7.10.0 (2020-05-26)

Thanks @AndrewLeedham, @fisker, @kik-o, @kitos, @lazytype for their first PRs!

We are also releasing the first experimental version of the new polyfills plugins: you can check them out at babel/babel-polyfills.

:eyeglasses: Spec Compliance

babel-plugin-proposal-logical-assignment-operators
- #11370 logical-assignment: Do not assign names to anonymous functions (@arku)

:rocket: New Feature

babel-helper-create-class-features-plugin, babel-helper-member-expression-to-functions, babel-helper-optimise-call-expression, babel-helper-replace-supers, babel-parser, babel-plugin-proposal-class-properties
- #11248 Handle private access chained on an optional chain (@jridgewell)
babel-standalone
- #11593 feat: add privatePropertyInObject to babel-standalone (@JLHwung)
- #11466 Support data-type="module" to generate native <script type="module"> (@dfabulich)
babel-cli, babel-helper-create-class-features-plugin, babel-parser, babel-plugin-proposal-private-property-in-object, babel-types
- #11372 Add private-property-in-object support (@jridgewell)
babel-compat-data, babel-plugin-transform-template-literals, babel-plugin-transform-unicode-escapes, babel-preset-env, babel-standalone
- #11377 Transform ES2015 Unicode Escapes to ES5 (@jridgewell)
babel-parser, babel-plugin-syntax-module-attributes, babel-standalone
- #10962 added basic support for module attributes and tests updated (@vivek12345)
babel-helper-compilation-targets, babel-preset-env
- #11434 [preset-env] Add browserslistEnv option (@AndrewLeedham)
babel-cli
- #11220 Log after subsequent compilations in --watch mode (@nicolo-ribaudo)
babel-helpers, babel-plugin-transform-destructuring, babel-plugin-transform-spread, babel-traverse
- #11265 Add "allowArrayLike" option to the destructuring and spread transforms (@nicolo-ribaudo)
babel-helpers, babel-plugin-transform-for-of, babel-preset-env
- #11266 Add "allowArrayLike" support to the for-of transform (@nicolo-ribaudo)
babel-parser
- #11406 Enable import.meta by default in @babel/parser (#11364) (@kik-o)
babel-plugin-transform-react-pure-annotations, babel-preset-react
- #11428 Implement plugin-transform-react-pure-annotations and add to preset-react (@devongovett)
babel-compat-data, babel-preset-env
- #11451 Add class proposals to shipped proposals (@JLHwung)

:bug: Bug Fix

babel-traverse
- #11595 scope.rename() missing identifier in VariableDeclarator (@yulanggong)
babel-plugin-proposal-optional-chaining
- #10961 fix: optional-chaining should work correctly with ts non-null operator (@macabeus)
babel-parser, babel-types
- #11547 refactor: add isLiteralPropertyName to parser utils (@JLHwung)
babel-plugin-transform-typescript
- #11523 fix: don't elide jsx pragma import namespaces (@jquense)
babel-plugin-proposal-object-rest-spread
- #11550 fix(plugin-proposal-object-rest-spread): use computed memberExpression for literal keys (@kitos)
babel-plugin-transform-runtime
- #11530 fix: skip transforming delete something.includes (@JLHwung)
babel-generator
- #11502 getters and setters support in generator for declare class statement (@zxbodya)

:nail_care: Polish

babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-parameters, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-plugin-transform-typescript, babel-preset-env
- #11514 [helpers] Add a private function name within createSuper (@cpojer)

:house: Internal

Other
- #11603 Fix typo (@fisker)
- #11598 chore: use latest node in GitHub actions (@JLHwung)
- #11590 chore: update test262 (@JLHwung)
- #11522 chore: pin windows node.js version (@JLHwung)
- #11504 chore: update babel deps (@JLHwung)
babel-parser
- #11597 Fix comments for smartPipeline topic-forbidding contexts (@lazytype)
babel-core, babel-generator, babel-helper-compilation-targets, babel-helpers, babel-parser, babel-plugin-proposal-decorators, babel-plugin-proposal-json-strings, babel-plugin-transform-block-scoping, babel-plugin-transform-flow-comments, babel-plugin-transform-modules-systemjs, babel-plugin-transform-react-jsx-source, babel-plugin-transform-runtime, babel-preset-env, babel-standalone, babel-template, babel-traverse, babel-types
- #11512 Use ?. where it represents the intended semantics (@nicolo-ribaudo)

:running_woman: Performance

babel-plugin-proposal-object-rest-spread
- #11520 Use single object spread call in loose mode (@jridgewell)

:leftwards_arrow_with_hook: Revert

babel-standalone
- #11538 Downgrade rollup to 1.27.9 (@nicolo-ribaudo)

Committers: 18

Andrew Leedham (@AndrewLeedham)
Arun Kumar Mohan (@arku)
Bogdan Savluk (@zxbodya)
Bruno Macabeus (@macabeus)
Christoph Nakazawa (@cpojer)
Devon Govett (@devongovett)
Henry Zhu (@hzoo)
Huáng Jùnliàng (@JLHwung)
Jason Quense (@jquense)
Justin Ridgewell (@jridgewell)
Kiko Estrada (@kik-o)
Nicolò Ribaudo (@nicolo-ribaudo)
Nikita Kirsanov (@kitos)
Vivek Nayyar (@vivek12345)
@dfabulich
@lazytype
fisker Cheung (@fisker)
任文龙 (@yulanggong)

Open source →

7.9.020 Mar 2020

Thanks to @andrewdotn, @clshortfuse, @lunaruan, @oliverdunk, @rickbutton, @Taym95 and @Wetinee for their first PRs!

v7.9.0 (2020-03-20)

Thanks to @andrewdotn, @clshortfuse, @lunaruan, @oliverdunk, @rickbutton, @Taym95 and @Wetinee for their first PRs!

Blog post: https://babeljs.io/blog/2020/03/16/7.9.0

:rocket: New Feature

babel-generator, babel-helper-builder-react-jsx-experimental, babel-helper-builder-react-jsx, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-inline-elements, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-plugin-transform-regenerator, babel-preset-react, babel-preset-typescript, babel-standalone
- #11126 Mark transpiled JSX elements as pure (@nicolo-ribaudo)
babel-helper-builder-react-jsx-experimental, babel-helper-builder-react-jsx, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx-self, babel-plugin-transform-react-jsx, babel-preset-react, babel-standalone
- #11154 Add experimental version of the babel-plugin-transform-react-jsx transform (@lunaruan)
babel-compat-data, babel-preset-env
- #11083 Include preset modules (@nicolo-ribaudo)
- #10971 Add numeric separator to shippedProposals (@Wetinee)
babel-core, babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-parameters, babel-plugin-transform-react-jsx, babel-plugin-transform-runtime, babel-plugin-transform-typescript, babel-preset-env
- #8656 Allow extending untranspiled classes (@nicolo-ribaudo)
babel-core, babel-helper-module-transforms, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-modules-umd
- #11194 Allow defining the moduleIds-related option in the transform plugins (@nicolo-ribaudo)
babel-core, babel-generator, babel-parser, babel-plugin-syntax-record-and-tuple, babel-types
- #10865 Added support for record and tuple syntax. (@rickbutton)
babel-generator, babel-parser, babel-plugin-transform-flow-strip-types, babel-preset-flow
- #11178 Implement support for declare on class fields with Flow (@nicolo-ribaudo)
babel-types
- #10680 Add cloneDeepWithoutLoc (@Taym95)
babel-generator
- #11028 Added jsescOptions to Numeric Literals (@sidntrivedi012)
babel-generator, babel-parser, babel-types
- #11077 Add support for flow's SymbolTypeAnnotation (@existentialism)
babel-parser
- #11117 Parse BigInts by default (@nicolo-ribaudo)
- #11254 Add estree parsing support for export * as A (@existentialism)
- #11246 feat: align ID_Start/ID_Continue regex to Unicode 13.0.0 (@JLHwung)
babel-plugin-transform-react-jsx-source, babel-preset-react
- #11139 feat(react-jsx-source): add columnNumber property (@motiz88)
babel-generator, babel-parser, babel-plugin-transform-typescript, babel-preset-typescript, babel-types
- #11171 Add import type and export type support to TypeScript (@nicolo-ribaudo)

:bug: Bug Fix

babel-helper-builder-react-jsx-experimental, babel-helper-builder-react-jsx, babel-helper-validator-identifier, babel-highlight, babel-parser, babel-types
- #11289 Add @babel/helper-validator-identifier (@JLHwung)
babel-plugin-proposal-optional-chaining
- #11261 Memoize call expressions in optional chains in loose mode (@oliverdunk)
babel-plugin-transform-react-jsx-self, babel-preset-react
- #11290 Pass the correct this to JSX's __self with the old plugin (@nicolo-ribaudo)
babel-helper-builder-react-jsx-experimental, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx
- #11288 Use the correct this in __self for JSX elements in arrows (@nicolo-ribaudo)
babel-compat-data, babel-preset-env
- #11280 Move object-rest-spread after transform-parameters (@JLHwung)
babel-helpers, babel-plugin-transform-for-of, babel-preset-env
- #11285 Allow for-of on polyfilled or builtin iterables without Symbol support (@nicolo-ribaudo)
- #11263 Add for-of fallback for arrays in browsers without symbol support (@nicolo-ribaudo)
babel-plugin-proposal-object-rest-spread
- #11282 fix: object-rest-spread should not transform export array rest (@JLHwung)
babel-register
- #11249 Add path separator to @babel/register sourceRoot (@andrewdotn)
babel-core, babel-helpers, babel-plugin-transform-runtime
- #10575 Create File class for babel helpers (@JLHwung)
babel-helpers, babel-plugin-transform-modules-commonjs, babel-preset-env, babel-runtime-corejs2, babel-runtime
- #11268 Allow rest/spread on polyfilled or builtin iterables without Symbol support (@nicolo-ribaudo)
babel-parser
- #11148 Allow await when it is not in AsyncArrowHead (@arku)
babel-helpers, babel-plugin-proposal-object-rest-spread, babel-runtime-corejs2, babel-runtime
- #9794 fix(rest-spread): Do not require Symbol.iterator for strings (@clshortfuse)
babel-generator
- #11255 Fix printing edge cases in Nullish Coalescing and Optional Chaining (@jridgewell)

:nail_care: Polish

babel-parser
- #11208 Rephrase parser error message (@JLHwung)
babel-helpers, babel-plugin-transform-destructuring, babel-plugin-transform-modules-commonjs, babel-plugin-transform-spread, babel-preset-env, babel-runtime-corejs2, babel-runtime
- #11264 Throw better errors for non-iterables when Symbol doesn't exist. (@nicolo-ribaudo)

:house: Internal

babel-helper-builder-react-jsx-experimental, babel-helper-builder-react-jsx, babel-helper-validator-identifier, babel-highlight, babel-parser, babel-types
- #11289 Add @babel/helper-validator-identifier (@JLHwung)
babel-compat-data, babel-preset-env
- #11277 Update compat-data (@existentialism)
babel-core
- #11276 chore: bump json5 and minimist (@JLHwung)
babel-types
- #11250 Add stricter Optional Chain node validation (@jridgewell)
- #11267 Update Purish aliases (@jridgewell)
babel-helpers, babel-plugin-transform-block-scoping, babel-plugin-transform-for-of, babel-plugin-transform-parameters, babel-plugin-transform-runtime, babel-preset-env
- #11262 Extract for-of iterator handling to a helper (@nicolo-ribaudo)
babel-core, babel-plugin-proposal-decorators, babel-plugin-proposal-logical-assignment-operators, babel-plugin-proposal-object-rest-spread, babel-plugin-proposal-partial-application, babel-plugin-proposal-pipeline-operator, babel-plugin-transform-parameters, babel-traverse
- #11260 Support more node types in generateUidBasedOnNode (@jridgewell)
Other
- #11259 Remove unused gulp-rename (@existentialism)

Committers: 15

Andrew Neitsch (@andrewdotn)
Arun Kumar Mohan (@arku)
Brian Ng (@existentialism)
Carlos Lopez (@clshortfuse)
Guy Bedford (@guybedford)
Huáng Jùnliàng (@JLHwung)
Justin Ridgewell (@jridgewell)
Luna Ruan (@lunaruan)
Moti Zilberman (@motiz88)
Nicolò Ribaudo (@nicolo-ribaudo)
Oliver Dunk (@oliverdunk)
Rick Button (@rickbutton)
Siddhant N Trivedi (@sidntrivedi012)
Taym Haddadi (@Taym95)
Ye Wei (@Wetinee)

Open source →

7.8.012 Jan 2020

babel-plugin-proposal-numeric-separator

v7.8.0 (2020-01-12)

Blog post on the website

:eyeglasses: Spec Compliance

babel-parser
- #10980 Disallow private name in object elements and TS type elements (@JLHwung)
- #10955 LiteralPropertyName should allow BigIntLiteral (@JLHwung)
- #10953 fix: check await when parsing AsyncArrowBindingIdentifier (@JLHwung)
- #10947 Fix: TopLevelAwait should respect await identifiers defined in sub scope. (@JLHwung)
- #10946 fix: Class Field Initializer should not allow await expression as immediate child (@JLHwung)
babel-plugin-proposal-numeric-separator
- #10938 StringNumericLiteral does not include NumericLiteralSeparator (@JLHwung)
babel-generator, babel-parser, babel-plugin-proposal-private-methods
- #10456 [parser] Disallow duplicate and undeclared private names (@nicolo-ribaudo)

:boom: Breaking Change

babel-types
- #10917 (opt-in) Improve @babel/types with env.BABEL_TYPES_8_BREAKING (@nicolo-ribaudo)

:rocket: New Feature

babel-standalone
- #10821 Merge env-standalone to babel-standalone (@JLHwung)
babel-core
- #10783 Add babelrc.json support (@yordis)
- #10903 Add support for babel.config.mjs and .babelrc.mjs (@nicolo-ribaudo)
babel-compat-data, babel-preset-env-standalone, babel-preset-env
- #10811 Add optional-chaining and nullish-coalescing to preset-env (@Druotic)
babel-helper-module-transforms, babel-plugin-transform-modules-systemjs
- #10780 add allowTopLevelThis option to transform-modules-systemjs (@JLHwung)
babel-parser
- #10817 enable optional chaining by default in @babel/parser (@jackisherwood)
babel-cli
- #10887 --copy-ignored flag added to CLI (@rajasekarm)
- #9144 Add --out-file-extension option to babel-cli (@eps1lon)
babel-core, babel-generator, babel-parser
- #10819 Enable nullish coalescing by default in @babel/parser (@layershifter)
babel-core, babel-parser
- #10843 [parser] enable dynamic import by default (@AbdulAli19)

:bug: Bug Fix

babel-node
- #10763 Filename detection should respect short flags (@JLHwung)
babel-plugin-proposal-numeric-separator
- #10938 StringNumericLiteral does not include NumericLiteralSeparator (@JLHwung)
babel-preset-env
- #10790 Use chrome data when android is absent (@JLHwung)
- #10930 fix: Promise.any requires global.AggregateError (@JLHwung)
babel-parser
- #10944 When reading a new string, U+2028/2029 should correctly set the new column (@JLHwung)
- #10937 Refactor parseSubscript (@JLHwung)
- #10901 fix: lost leading comment after named import (@elevatebart)
Other
babel-traverse
- #10949 Override toString in case this function is printed (@jayenashar)
babel-helper-module-transforms, babel-plugin-transform-modules-commonjs
- #10934 helper-module-transforms: dereference imported template tag (@ajafff)
babel-traverse, babel-types
- #10912 Fix parameter expression get binding (@JLHwung)
babel-core
- #10914 @babel/core: parse should parse only (@kaicataldo)
babel-helpers
- #10902 fix: Object.getOwnPropertySymbols called on non-object (@bassaer)

:nail_care: Polish

babel-node
- #9695 Use babel > as prompt in babel-node (@ZYSzys)
babel-parser
- #10906 refactor: remove inClassProperty parser state (@JLHwung)

:memo: Documentation

babel-preset-env
- #10982 CONTRIBUTING: Update link to plugin-features.js [skip ci] (@andersk)
Other
- #10973 Added instructions to fork the repo in order to setup. (@sidntrivedi012)

:house: Internal

babel-preset-env
- #10983 chore: update corejs fixtures (@JLHwung)
- #10974 chore: update caniuse-usage Chrome 49 related fixtures (@JLHwung)
- #10924 Replace custom "findSuggestion" function with "levenary" (@nicolo-ribaudo)
babel-core
- #10507 Prepare @babel/core for asynchronicity (@nicolo-ribaudo)
Other
- #10979 Reduce false negative cases of typescript parser tests (@JLHwung)
- #10976 Update Test262, Flow and TS parser tests (@nicolo-ribaudo)
- #10964 Bump coverage target from 80% to 90% (@nicolo-ribaudo)
- #10958 Fix recent e2e-vuejs-cli error (@JLHwung)
- #10919 Add integration test: e2e-vue-cli (@JLHwung)
- #10943 chore: update test262 (@JLHwung)
- #10918 chore: refine e2e test scripts (@JLHwung)
- #10905 chore: separate build-standalone with coverage (@JLHwung)
- #10898 Move coverage to GitHub actions (@JLHwung)
babel-compat-data, babel-helper-compilation-targets, babel-preset-env
- #10899 Extract targets parser and compat data from preset-env (@nicolo-ribaudo)
babel-parser
- #10950 test: add invalid-lone-import test (@JLHwung)
- #10936 refactor: remove unecessary checkYieldAwaitInDefaultParams (@JLHwung)
- #10935 refactor: remove unused invalidTemplateEscapePosition tokenizer state (@JLHwung)
- #10939 TSTypeCastExpression should not be inside call parameters (@JLHwung)
- #10942 Remove unused parser methods (@JLHwung)
Every package
- #10849 chore: specify package type [skip-ci] (@JLHwung)

:leftwards_arrow_with_hook: Revert

babel-cli
- #10923 fix: minified should not accept optional argument (@JLHwung)

Committers: 17

Abdul Ali (@AbdulAli19)
Anders Kaseorg (@andersk)
Barthélémy Ledoux (@elevatebart)
Huáng Jùnliàng (@JLHwung)
Jack Isherwood (@jackisherwood)
James Beavers (@Druotic)
Jayen Ashar (@jayenashar)
Kai Cataldo (@kaicataldo)
Klaus Meinhardt (@ajafff)
Nicolò Ribaudo (@nicolo-ribaudo)
Oleksandr Fediashov (@layershifter)
Raja Sekar (@rajasekarm)
Sebastian Silbermann (@eps1lon)
Siddhant N Trivedi (@sidntrivedi012)
Tsubasa Nakayama (@bassaer)
Yordis Prieto (@yordis)
ZYSzys (@ZYSzys)

Open source →

7.7.422 Nov 2019

Thanks @chrishinrichs, @khoumani, @m-ahmadi, @BBlackwo, @SakibulMowla, @4geru, @Shriram-Balaji, @ZYSzys and @arku for their first PRs!

v7.7.4 (2019-11-23)

Thanks @chrishinrichs, @khoumani, @m-ahmadi, @BBlackwo, @SakibulMowla, @4geru, @Shriram-Balaji, @ZYSzys and @arku for their first PRs!

:bug: Bug Fix

babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
- #10748 Add support for native esm to @babel/runtime. (@nicolo-ribaudo)
babel-preset-env
- #10742 Update preset-env mappings. (@existentialism)
babel-parser
- #10737 Flow enums: fix enum body location. (@gkz)
- #10657 Fix some incorrect typeof parsing in flow. (@existentialism)
- #10582 [parser] Allow optional async methods. (@gonzarodriguezt)
- #10710 register import equals specifier. (@JLHwung)
- #10592 Allow TypeScript type assertions in array destructuring. (@SakibulMowla)
babel-preset-env-standalone
- #10732 fix: add missing available plugins to babel-preset-env-standalone. (@JLHwung)
babel-plugin-transform-function-name, babel-plugin-transform-modules-umd, babel-preset-env
- #10701 Circumvent typeof transform for umd build template. (@JLHwung)
babel-cli
- #10698 Babel should not silently remove unknown options after commander arguments. (@JLHwung)
babel-plugin-proposal-optional-chaining
- #10694 Fix optional method chaining in derived classes. (@Shriram-Balaji)
babel-parser, babel-types
- #10677 Add asserts this [is type] parsing support. (@JLHwung)
babel-traverse
- #10598 Fix parentheses on replaceWithMultiple for JSX. (@khoumani)
babel-helpers, babel-plugin-proposal-object-rest-spread, babel-preset-env
- #10683 Fix: Don't call Object.keys on non-objects (babel#10482). (@chrishinrichs)

:nail_care: Polish

babel-plugin-proposal-nullish-coalescing-operator
- #10720 polish: skip creating extra reference for safely re-used node. (@JLHwung)

:house: Internal

Other
- #10731 Removed duplicate key in package.json. (@rajasekarm)
- #10718 chore: use loose mode of transform. (@JLHwung)
- #10579 Implement PR workflow for running test262 on babel PRs. (@jbhoosreddy)
- #10648 bump @babel/* dev dependencies. (@JLHwung)
- #10569 E2E test Babel with itself before publishing. (@nicolo-ribaudo)
babel-core
- #10668 Reduce standalone build size. (@JLHwung)
babel-plugin-transform-literals, babel-preset-env-standalone
- #10725 fix typo [ci-skip]. (@JLHwung)
babel-cli
- #10692 Add missing flow type to babel-cli for consistency. (@ZYSzys)

Committers: 15

4geru koichi uchinishi (4geru)
Brian Ng (existentialism)
George Zahariev (gkz)
Huáng Jùnliàng (JLHwung)
Jaideep Bhoosreddy (jbhoosreddy)
Kai Cataldo (kaicataldo)
Kenza Houmani (khoumani)
Mohammad Ahmadi (m-ahmadi)
Nicolò Ribaudo (nicolo-ribaudo)
Raja Sekar (rajasekarm)
Sakibul Mowla (SakibulMowla)
Shriram Balaji (Shriram-Balaji)
ZYSzys (ZYSzys)
chrishinrichs
gr (gonzarodriguezt)

Open source →

7.7.05 Nov 2019

babel-generator, babel-helper-create-class-features-plugin, babel-parser, babel-plugin-transform-typescript, babel-preset-typescript, babel-types

v7.7.0 (2019-11-05)

:eyeglasses: Spec Compliance

babel-types
- #10621 throw a TypeError if identifier validation fails. (@dentrado)
babel-parser
- #10559 fix: Exclude catch clause from let identifier error. (@gonzarodriguezt)
- #10567 [parser] Exception to 8 and 9 in tagged template. (@pnowak)
- #10532 Allow duplicate __proto__ keys in patterns, simple case (#6705). (@alejo90)

:rocket: New Feature

babel-generator, babel-helper-create-class-features-plugin, babel-parser, babel-plugin-transform-typescript, babel-preset-typescript, babel-types
- #10545 Add support for TS declare modifier on fields. (@nicolo-ribaudo)
babel-core, babel-parser, babel-preset-typescript
- #10363 @babel/parser error recovery. (@nicolo-ribaudo)
babel-core
- #10599 Add support for .cjs config files. (@nicolo-ribaudo)
- #10501 Add support for babel.config.json. (@devongovett)
- #10361 feat: if code frame error is on a single line, highlight the whole path. (@SimenB)
babel-plugin-syntax-top-level-await, babel-preset-env
- #10573 Create @babel/plugin-syntax-top-level-await. (@nicolo-ribaudo)
babel-helper-builder-react-jsx, babel-plugin-transform-react-jsx, babel-preset-react
- #10572 [transform-react-jsx] Add useSpread option to transform JSX. (@ivandevp)
babel-generator, babel-parser, babel-plugin-proposal-decorators, babel-plugin-syntax-flow, babel-types
- #10344 Flow enums parsing. (@gkz)
babel-plugin-transform-function-name, babel-plugin-transform-modules-umd, babel-preset-env
- #10477 Changes UMD callsite to be more likely to pass in the intended object.. (@MicahZoltu)
babel-parser
- #10449 Create parser plugin "topLevelAwait". (@nicolo-ribaudo)
- #10521 [parser] Enable "exportNamespaceFrom" by default. (@nicolo-ribaudo)
- #10483 [parser] Add support for private fields in TypeScript. (@nicolo-ribaudo)
babel-generator, babel-parser, babel-types
- #10543 add assertions signature for TypeScript. (@tanhauhau)
babel-cli, babel-register
- #8622 Make dir for babel --out-file. (@TrySound)
babel-cli
- #10399 Closes #8326, add back --quiet option.. (@chris-peng-1244)

:bug: Bug Fix

babel-helpers, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-function-sent, babel-preset-env
- #10422 Correctly delegate .return() in async generator. (@nicolo-ribaudo)
babel-helper-module-transforms, babel-plugin-transform-modules-commonjs
- #10628 Don't throw when destructuring into a var named as an import. (@nicolo-ribaudo)
babel-plugin-transform-modules-systemjs
- #10638 fix: remove ExportNamedDeclaration when the specifier is empty. (@JLHwung)
babel-parser
- #10631 [TS] Parse calls with type args in optional chains. (@nicolo-ribaudo)
- #10607 fixed missing errors on assignment pattern in object expression. (@vivek12345)
- #10594 [parser] Parse only modifiers of actual methods. (@gonzarodriguezt)
babel-plugin-transform-typescript
- #10555 [TS] Correctly transform computed strings and templates in enums. (@nicolo-ribaudo)
babel-core
- #10623 Fix: inputSourceMap should work when it is an external file. (@JLHwung)
- #10539 fix: remove filename annotation in buildCodeFrameError. (@JLHwung)
babel-plugin-proposal-decorators
- #10578 [decorators] fix: support string literal properties. (@mwhitworth)
babel-helpers, babel-plugin-proposal-dynamic-import, babel-plugin-transform-modules-commonjs, babel-preset-env
- #10574 fix: _interopRequireWildcard should only cache objects. (@samMeow)
babel-traverse
- #9777 [traverse] Allow skipping nodes inserted with .replaceWith(). (@nicolo-ribaudo)
babel-preset-env
- #10146 Inject core-js@3 imports in Program:exit instead of on post(). (@nicolo-ribaudo)
babel-generator
- #10519 Fix generator missing parens around an arrow returning function type. (@existentialism)
babel-plugin-transform-async-to-generator, babel-preset-env, babel-traverse
- #9939 Don't use args rest/spread to hoist super method calls. (@nicolo-ribaudo)

:nail_care: Polish

babel-plugin-transform-classes, babel-plugin-transform-regenerator, babel-preset-env
- #9481 [preset-env] Don't use async-to-generator when already using regenerator. (@nicolo-ribaudo)
babel-helpers, babel-plugin-transform-modules-commonjs, babel-preset-env
- #10585 fix(babel‑helpers/interopRequireWildcard): Avoid double nullish check. (@ExE-Boss)
babel-register
- #10557 fix: disable caching when babel could not read/write cache. (@JLHwung)

:house: Internal

babel-cli, babel-node
- #10619 chore: remove output-file-sync dependency. (@JLHwung)
babel-register
- #10614 chore: bump source-map-support to 0.5.14. (@JLHwung)
babel-helper-create-regexp-features-plugin, babel-plugin-proposal-unicode-property-regex, babel-plugin-transform-dotall-regex, babel-plugin-transform-named-capturing-groups-regex, babel-plugin-transform-unicode-regex, babel-preset-env
- #10447 Merge multiple regex transform plugin. (@JLHwung)
babel-preset-env
- #10612 chore: update web.immediate support fixtures. (@JLHwung)
babel-helper-module-imports
- #10608 Use .find instead of .filter to get targetPath in ImportInjector. (@Andarist)
Other
- #10600 Test node@13 on circle. (@existentialism)
- #10593 chore: replace outdated travis-ci.org badges [ci skip]. (@JLHwung)
- #10591 chore: test against Node.js 13. (@JLHwung)
- #10556 Add master branch workflow for test262 tests. (@jbhoosreddy)
babel-runtime
- #10418 docs: add homepage link. (@DanArthurGallagher)
babel-helper-annotate-as-pure, babel-helper-bindify-decorators, babel-helper-builder-binary-assignment-operator-visitor, babel-helper-builder-react-jsx, babel-helper-call-delegate, babel-helper-define-map, babel-helper-explode-assignable-expression, babel-helper-explode-class, 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-remap-async-to-generator, babel-helper-replace-supers, babel-helper-simple-access, babel-helper-split-export-declaration, babel-helper-wrap-function, babel-helpers, babel-template
- #10568 Bump babel-types to ^7.6.3. (@JLHwung)

:running_woman: Performance

babel-traverse
- #10480 Traverse performance. (@JLHwung)

Committers: 28

Alejandro Sánchez (alejo90)
Bogdan Chadkin (TrySound)
Brian Ng (existentialism)
Chris Garrett (pzuraq)
Daniel Arthur Gallagher (DanArthurGallagher)
Devon Govett (devongovett)
Eugene Myunster (t0lkman)
ExE Boss (ExE-Boss)
George Zahariev (gkz)
Georgii Dolzhykov (thorn0)
Gerald (gera2ld)
Huáng Jùnliàng (JLHwung)
Ivan Medina (ivandevp)
Jaideep Bhoosreddy (jbhoosreddy)
Linus Unnebäck (LinusU)
Martin Forsgren (dentrado)
Mateusz Burzyński (Andarist)
Matthew Whitworth (mwhitworth)
Micah Zoltu (MicahZoltu)
Mohammad Ahmadi (m-ahmadi)
Nicolò Ribaudo (nicolo-ribaudo)
Simen Bekkhus (SimenB)
Tan Li Hau (tanhauhau)
Vivek Nayyar (vivek12345)
gr (gonzarodriguezt)
piotr (pnowak)
samuel kwok (samMeow)
彭驰 (chris-peng-1244)

Open source →

7.6.38 Oct 2019

Thanks to @hjdivad, @Basaingeal and @todofixthis for their first PRs!

v7.6.3 (2019-10-08)

Thanks to @hjdivad, @Basaingeal and @todofixthis for their first PRs!

:eyeglasses: Spec Compliance

babel-parser
- #10469 Disallow await inside async arrow params (@nicolo-ribaudo)
- #10493 [parser] Disallow numeric separators in legacy octal like integers (@gonzarodriguezt)

:rocket: New Feature

babel-types
- #10504 Add declarations for more of @babel/types exports (@Jessidhia)

:bug: Bug Fix

babel-plugin-transform-block-scoping
- #10343 Do not remove let bindings even they are wrapped in closure (@JLHwung)
babel-parser
- #10119 add scope to TSModuleDeclaration (@tanhauhau)
- #10332 Do not allow member expressions to start async arrows (@nicolo-ribaudo)
- #10490 [parser] Don't crash on comment after trailing comma after elision (@nicolo-ribaudo)
babel-plugin-transform-react-constant-elements, babel-traverse
- #10529 Do not hoist jsx referencing a mutable binding (@nicolo-ribaudo)
babel-generator, babel-parser, babel-plugin-transform-block-scoping, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-typescript
- #10220 Flow: interface identifier should be declared in the scope (@JLHwung)

:nail_care: Polish

babel-core
- #10419 assertNoDuplicates throw with more context (@hjdivad)
- #10511 Add filename to transform error (@JLHwung)

:house: Internal

Other
- #10506 Use make -j for parallel build (@JLHwung)
- #10443 perf: only apply lazy cjs module transform on cli and core (@JLHwung)
- #10494 Enable optional chaining and nullish coalescing plugins (@nicolo-ribaudo)
babel-cli, babel-core, babel-generator, babel-helper-fixtures, babel-helper-transform-fixture-test-runner, babel-node, babel-plugin-transform-react-jsx-source, babel-plugin-transform-runtime, babel-preset-env, babel-preset-react
- #10249 Add windows to travis (@nicolo-ribaudo)

:running_woman: Performance

babel-parser
- #10371 perf: replace lookahead by lookaheadCharCode (@JLHwung)
Other
- #10443 perf: only apply lazy cjs module transform on cli and core (@JLHwung)

Committers: 10

Brian Ng (@existentialism)
Corey Farrell (@coreyfarrell)
David J. Hamilton (@hjdivad)
Gonzalo Rodríguez (@gonzarodriguezt)
Henry Zhu (@hzoo)
Huáng Jùnliàng (@JLHwung)
Jessica Franco (@Jessidhia)
Michael J. Currie (@Basaingeal)
Nicolò Ribaudo (@nicolo-ribaudo)
Tan Li Hau (@tanhauhau)

Open source →

@babel/preset-react

Release timeline

Releases

v7.12.5 (2020-11-03)

:eyeglasses: Spec Compliance

:bug: Bug Fix

:nail_care: Polish

:memo: Documentation

:house: Internal

Committers: 11

v7.12.1 (2020-10-16)

:bug: Bug Fix

:house: Internal

Committers: 2

v7.10.4 (2020-06-30)

:eyeglasses: Spec Compliance

:bug: Bug Fix

:nail_care: Polish

:house: Internal

Committers: 7

v7.10.1 (2020-05-27)

:bug: Bug Fix

:house: Internal

Committers: 3

v7.10.0 (2020-05-26)

:eyeglasses: Spec Compliance

:rocket: New Feature

:bug: Bug Fix

:nail_care: Polish

:house: Internal

:running_woman: Performance

:leftwards_arrow_with_hook: Revert

Committers: 18

v7.9.4 (2020-03-24)

:bug: Bug Fix

:house: Internal

Committers: 5

v7.9.1 (2020-03-20)

:bug: Bug Fix

Committers: 1

v7.9.0 (2020-03-20)

:rocket: New Feature

:bug: Bug Fix

:nail_care: Polish

:house: Internal

Committers: 15

v7.8.3 (2020-01-13)

:bug: Bug Fix

:house: Internal

:leftwards_arrow_with_hook: Revert

Committers: 2

v7.8.0 (2020-01-12)

:eyeglasses: Spec Compliance

:boom: Breaking Change

:rocket: New Feature

:bug: Bug Fix

:nail_care: Polish

:memo: Documentation

:house: Internal

:leftwards_arrow_with_hook: Revert

Committers: 17

v7.7.4 (2019-11-23)

:bug: Bug Fix

:nail_care: Polish

:house: Internal

Committers: 15

v7.7.0 (2019-11-05)

:eyeglasses: Spec Compliance

:rocket: New Feature

:bug: Bug Fix

:nail_care: Polish

:house: Internal

:running_woman: Performance

Committers: 28

v7.6.3 (2019-10-08)

:eyeglasses: Spec Compliance

:rocket: New Feature

:bug: Bug Fix

:nail_care: Polish

:house: Internal