Update babel monorepo

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@babel/core (source)	7.12.10 -> 7.14.0
@babel/preset-env (source)	7.12.11 -> 7.14.1

---

Release Notes

babel/babel

v7.14.0

Compare Source

👓 Spec Compliance

• babel-generator, babel-parser
  • #​13209 [ts] Enforce order for the override modifier (@​nicolo-ribaudo)

🚀 New Feature

• babel-plugin-proposal-async-do-expressions
  • #​13117 Implement async-do-expressions transform (@​JLHwung)
• babel-core, babel-generator, babel-parser, babel-plugin-proposal-do-expressions, babel-plugin-syntax-async-do-expressions, babel-types
  • #​13043 Parse async do expressions (@​JLHwung)
• babel-preset-env
  • #​13091 Enable class fields & private methods by default (@​nicolo-ribaudo)
• babel-compat-data, babel-preset-env
  • #​13176 Add private brand checks to shippedProposals (@​nicolo-ribaudo)
  • #​13114 Add class static blocks to preset-env's shippedProposals (@​nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-private-property-in-object, babel-plugin-syntax-private-property-in-object
  • #​13172 Allow compiling #foo in obj without compiling private fields (@​nicolo-ribaudo)
• babel-parser
  • #​13113 babel-parser(ts): Add new plugin option dts: boolean (@​sosukesuzuki)
  • #​13175 Materialize the class features in @babel/parser. (@​JLHwung)
  • #​13033 Introduce parser error codes (@​sosukesuzuki)
• babel-helper-module-transforms, babel-helpers, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd
  • #​12838 Implement importInterop: "node" option for module transforms (@​nicolo-ribaudo)
• babel-generator, babel-parser, babel-traverse, babel-types
  • #​13224 Support parsing Flow's Optional Indexed Access Types (@​gkz)
  • #​13053 Support parsing Flow's Indexed Access Types (@​sosukesuzuki)
• babel-parser, babel-traverse
  • #​13195 Parse string export names by default (moduleStringNames) (@​nicolo-ribaudo)
• babel-generator, babel-parser, babel-types
  • #​13089 Support TypeScript 4.3 get/set type members (@​sosukesuzuki)
  • #​13097 support TS 4.3 override syntax in class (@​g-plane)
  • #​13096 support TS 4.3 static index signature in class (@​g-plane)

🐛 Bug Fix

• babel-generator
  • #​13208 Prevent ForOfStatement from printing the forbidden sequence "for ( async of" (@​Zalathar)
  • #​13169 fix: don't deduplicate comments with same start index (@​gzzhanghao)
• babel-generator, babel-plugin-proposal-object-rest-spread, babel-preset-env
  • #​13204 Simplify the special-case printing of single-param arrow functions (@​Zalathar)
• babel-core
  • #​13182 fix: Don't load browserslist in block-hoist-plugin (@​MichaReiser)

💅 Polish

• babel-cli, babel-core, babel-parser, babel-plugin-transform-classes, babel-preset-env, babel-preset-typescript
  • #​13130 babel-parser: Add new internal ESLint rule to consistent error messages (@​sosukesuzuki)

🏠 Internal

• babel-parser
  • #​13227 Add runFixtureTestsWithoutExactASTMatch in parser test runner (@​JLHwung)
  • #​13163 babel-parser: Use this.isThisParam (@​sosukesuzuki)
  • #​13200 refactor: avoid parsing logic on locations (@​JLHwung)
• babel-helpers, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​13190 Allow putting helpers in individual files (@​nicolo-ribaudo)
• Other
  • #​13183 chore: run coverage-test against node 16 (@​JLHwung)

🏃‍♀️ Performance

• babel-core
  • #​13090 perf(core): check files before interacting with them (@​FauxFaux)
  • #​13223 perf: avoid loadFullConfig when creating block hoist plugin (@​JLHwung)
• babel-helper-validator-identifier
  • #​13211 Improve isIdentifierName performance (@​JLHwung)

🔬 Output optimization

• babel-helper-create-class-features-plugin, babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-class-properties, babel-plugin-proposal-class-static-block, babel-plugin-proposal-private-methods, babel-plugin-proposal-private-property-in-object, babel-preset-env
  • #​13194 Mark WeakMaps of private fields as pure (@​nicolo-ribaudo)
• babel-helpers, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​13201 Simplify the wrapRegExp helper for named groups (@​nicolo-ribaudo)

v7.13.16

Compare Source

👓 Spec Compliance

• babel-parser
  • #​13143 fix: raise SyntaxError for declare before getter/setter (@​fedeci)

🐛 Bug Fix

• babel-helpers, babel-plugin-transform-modules-commonjs, babel-plugin-transform-regenerator, babel-plugin-transform-spread, babel-preset-env, babel-runtime-corejs2, babel-runtime
  • #​13129 Support iterating generators in browsers without Symbol (@​nicolo-ribaudo)
• babel-helper-compilation-targets
  • #​13159 fix: add default value for browserslist config path (@​JLHwung)
• babel-generator
  • #​13136 Fix printing of single-param async arrow function with comments (@​nwalters512)

📝 Documentation

• Other
  • #​13155 Update links in eslint-parser README (@​codyatwork)
• babel-types
  • #​13148 docs: refine babel-types docs generator (@​JLHwung)
• babel-helper-compilation-targets
  • #​13131 docs: add README to helper-compilation-targets (@​JLHwung)

🏠 Internal

• babel-helper-bindify-decorators, babel-helper-explode-class
  • #​13160 Archive helper-explode-class and helper-bindify-decorators (@​JLHwung)
• Other
  • #​13158 codecov: token not required (@​hzoo)
• babel-helper-call-delegate
  • #​13153 Archive @babel/helper-call-delegate (@​nicolo-ribaudo)
• babel-helper-hoist-variables, babel-plugin-transform-block-scoping
  • #​13152 refactor: use FunctionParent on visiting var scope (@​JLHwung)
• babel-cli, babel-core, babel-generator, babel-plugin-transform-function-name, babel-register, babel-types
  • #​13139 Remove remaining lodash dependencies (@​nicolo-ribaudo)

v7.13.15

Compare Source

👓 Spec Compliance

• babel-parser
  • #​13099 fix: raise SyntaxError for unparenthesized assert and assign (@​fedeci)
  • #​13049 fix: the LHS in for-of loop should not start with let (@​JLHwung)

🐛 Bug Fix

• babel-parser
  • #​13101 fix(ts): allow trailing comma after rest parameter in TSDeclareFunction (@​fedeci)
• babel-plugin-proposal-do-expressions, babel-traverse
  • #​10101 yield for do expression (@​tanhauhau)
  • #​13030 Refactor switch support in NodePath#getCompletionRecords (@​JLHwung)
• Other
  • #​13106 fix: do not filter report from functions within class elements (@​JLHwung)
• babel-compat-data, babel-preset-env
  • #​13075 Compile classes when spread is unsupported (@​nicolo-ribaudo)

💅 Polish

• babel-preset-env
  • #​13115 [preset-env - debug] Print targets that need each plugin (@​nicolo-ribaudo)

📝 Documentation

• #​13081 Update CoC contacts (@​nicolo-ribaudo)

🏠 Internal

• babel-plugin-transform-regenerator, babel-standalone
  • #​13086 Align regenerator-transform import with native ESM (@​nicolo-ribaudo)
• babel-helper-transform-fixture-test-runner
  • #​13087 Do not load root babel.config.js in tests (@​nicolo-ribaudo)

🏃‍♀️ Performance

• babel-preset-env
  • #​13076 perf: lazy load preset-env plugins (@​JLHwung)

v7.13.14

Compare Source

🐛 Bug Fix

• babel-core
  • #​13068 fix(core): make sure "clone-deep-browser" code path is used on browsers (@​charlessuh)

🏠 Internal

• Other
  • #​13066 add SHOW_CONFIG_FOR to template (@​hzoo)
• babel-cli, babel-core, babel-helper-transform-fixture-test-runner, babel-register, babel-types
  • #​13057 Remove lodash deps (@​hzoo)

🏃‍♀️ Performance

• babel-core
  • #​13063 Only resolve package.json when relative configs are enabled (@​nicolo-ribaudo)

v7.13.13

Compare Source

👓 Spec Compliance

• babel-parser
  • #​12441 Disallow await before exponential (@​JLHwung)

🐛 Bug Fix

• babel-core
  • #​13031 Correctly handle relative browserslistConfigFile paths (@​nicolo-ribaudo)
• babel-core, babel-preset-env
  • #​13028 Resolve .browserslistrc as a project-wide file (@​nicolo-ribaudo)
• babel-plugin-transform-react-constant-elements
  • #​13054 fix: constant variables only enable constant react elements (@​cgood92)
• babel-types
  • #​13046 fix(types): add missing range for BaseNode (@​JounQin)
• babel-node
  • #​13037 fix: make babel-node spawned process bubble msg (@​lambertkevin)
  • #​13037 fix: make babel-node spawned process bubble msg (@​lambertkevin)
• babel-parser
  • #​12933 fix(ts): parenthesized assert and assign (@​fedeci)

💅 Polish

• babel-cli, babel-core
  • #​12954 Do not bail on SHOW_CONFIG_FOR matches (@​JLHwung)

🏠 Internal

• babel-core
  • #​13021 Remove lodash sortBy use (@​jridgewell)
• Other
  • #​13055 Replace CircleCI badge by GitHub CI (@​JLHwung)
• babel-traverse
  • #​13044 Expand type definitions for path.{get,set}Data to cover symbols (@​addaleax)

🏃‍♀️ Performance

• babel-core
  • #​13040 Set rootMode: "root" in loadPartialConfig (@​nicolo-ribaudo)

v7.13.10

Compare Source

🐛 Bug Fix

• babel-plugin-transform-async-to-generator, babel-plugin-transform-react-constant-elements, babel-plugin-transform-react-jsx
  • #​12967 Lazily initialize and cache constant JSX elements (@​nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-private-methods
  • #​12918 Ensure static private method init run before static property (@​JLHwung)
  • #​12707 Evaluate object and initializer when setting a private method (@​JLHwung)
• babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-private-methods
  • #​12917 Class static private field destructure set (@​JLHwung)
• babel-parser
  • #​12687 (ts) Raise syntax error for an abstract method that has body (@​sosukesuzuki)
• babel-helper-compilation-targets, babel-preset-env
  • #​12908 Fix esmodules: true without specified browsers (@​nicolo-ribaudo)

💅 Polish

• Other
  • #​12956 Suggest using babel.config.json when linting dependencies (@​nicolo-ribaudo)
• babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-private-methods
  • #​12910 check descriptor before private field access (@​JLHwung)

📝 Documentation

• #​12974 Capitalize design docs headings (@​MrBrain295)

🏠 Internal

• babel-helper-fixtures
  • #​12982 Optionally enable external-helpers in tests (@​jridgewell)
• babel-cli, babel-core, babel-generator, 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-plugin-test-runner, babel-helper-transform-fixture-test-runner, babel-helpers, babel-node, babel-parser, babel-plugin-external-helpers, 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-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-traverse
  • #​12963 Avoid using CJS globals in internal source files (@​nicolo-ribaudo)
• babel-helper-transform-fixture-test-runner, babel-highlight, babel-plugin-transform-runtime, babel-preset-env
  • #​12795 [internal] Use the Node.js behavior for default imports (@​nicolo-ribaudo)

v7.13.8

Compare Source

🐛 Bug Fix

• Other
  • #​12909 chore: do not provide polyfills on bundling @​babel/standalone (@​JLHwung)
  • #​12891 fix(eslint-parser): merge input estree options (@​JLHwung)
• babel-compat-data, babel-preset-env
  • #​12901 Fix Module not found: Error: Can't resolve 'core-js/modules/es6.array.concat.js' with [email protected] (@​luxp)
• babel-plugin-transform-runtime, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​12893 Allow require() of runtime helpers in Node.js 13.2-13.6 (@​nicolo-ribaudo)

💅 Polish

• babel-helper-create-class-features-plugin
  • #​12898 Do not warn for loose of class features in preset-env (@​nicolo-ribaudo)

🏠 Internal

• babel-core, babel-helper-transform-fixture-test-runner, babel-register
  • #​12820 [internal] Keep the .cjs extension when compiling source files (@​nicolo-ribaudo)
• babel-plugin-transform-runtime, babel-runtime-corejs2, babel-runtime
  • #​12883 Improve @babel/runtime esm stability (@​nicolo-ribaudo)

🔬 Output optimization

• babel-plugin-proposal-object-rest-spread
  • #​12899 Skip _extends helper for {…x} with modern targets (@​nicolo-ribaudo)

v7.13.1

Compare Source

🐛 Bug Fix

• babel-helpers, babel-plugin-transform-modules-commonjs
  • #​13185 Fix undeclared variable in iterableToArrayLimit (@​nicolo-ribaudo)
• babel-plugin-proposal-do-expressions, babel-traverse
  • #​13084 Fix completion record for labeled statement (@​addaleax)
• babel-plugin-transform-destructuring
  • #​13173 fix(destructuring): preserve loc of original declaration in output (@​motiz88)
• babel-types
  • #​13178 fix: clone comments in cloneNode (@​gzzhanghao)

v7.13.0

Compare Source

🚀 New Feature

• babel-parser
  • #​12370 Implement class features in estree (@​JLHwung)
• babel-generator, babel-parser, babel-plugin-syntax-module-blocks, babel-standalone, babel-traverse, babel-types
  • #​12469 Parse JS Module Blocks proposal (@​sosukesuzuki)
• babel-generator, babel-parser, babel-types
  • #​12628 Support TypeScript 4.2 abstract constructor signatures (@​sosukesuzuki)
  • #​12193 Flow Enums with unknown members support (@​gkz)
• babel-core, babel-register
  • #​11498 Add cjs as a default extension (@​perrin4869)
• babel-traverse
  • #​12603 feat(referencesImport): support named exports accessed via namespace imports (@​jeysal)
• babel-plugin-transform-typescript, babel-preset-typescript
  • #​12765 Enable allowNamespaces in transform-typescript by default (@​JLHwung)
• babel-generator, babel-parser, babel-plugin-transform-flow-strip-types, babel-plugin-transform-parameters, babel-types
  • #​12234 Support Flow this parameter annotations (@​dsainati1)
• babel-plugin-proposal-record-and-tuple
  • #​12145 Implement "Records and Tuples" transform (@​rickbutton)
• babel-plugin-transform-runtime, babel-plugin-transform-typeof-symbol, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​12632 Use conditional exports in @babel/runtime for CJS/ESM (@​nicolo-ribaudo)
• babel-core, babel-helper-plugin-utils, babel-preset-env
  • #​12219 Add @babel/core support for the new assumptions option (@​nicolo-ribaudo)
• babel-core, babel-helper-compilation-targets, babel-helper-plugin-utils, babel-preset-env
  • #​12189 Add targets and browserslist* options to @babel/core (@​nicolo-ribaudo)
• babel-core
  • #​12266 Support .mjs plugins/presets and async factories (@​nicolo-ribaudo)

🐛 Bug Fix

• 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
  • #​8461 Fix _isNativeReflectConstruct helper (@​nicolo-ribaudo)
• babel-cli
  • #​12846 [babel-cli] Don't fail when chmod throws an error (@​immitsu)
• babel-node
  • #​12836 fix: create IPC channel for spawned babel-node process (@​JLHwung)
• babel-standalone
  • #​12819 fix: add regenerate-unicode-properties to dynamicRequireTargets (@​JLHwung)
• babel-plugin-proposal-optional-chaining, babel-traverse
  • #​12812 Fix scope of computed method keys (@​overlookmotel)

🏠 Internal

• babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-decorators, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2
  • #​12845 Use the babel-plugin-polyfill-* packages in transform-runtime (@​nicolo-ribaudo)
• babel-plugin-transform-runtime
  • #​12842 Don't use useESModules in @babel/runtime build script (@​nicolo-ribaudo)
• babel-standalone
  • #​12839 Make sure that Rollup's dynamicRequireTargets are included (@​nicolo-ribaudo)
• babel-helper-transform-fixture-test-runner, babel-plugin-proposal-async-generator-functions, babel-plugin-proposal-decorators, babel-preset-env
  • #​12583 Use the babel-plugin-polyfill-* packages in preset-env (@​nicolo-ribaudo)

🏃‍♀️ Performance

• babel-register
  • #​12813 babel-register: Don’t rewrite the cache if it’s not dirty (@​andersk)

🔬 Output optimization

• babel-helper-create-class-features-plugin, babel-helper-member-expression-to-functions, babel-plugin-proposal-class-properties
  • #​12762 Support noDocumentAll for obj?.#p (@​JLHwung)

v7.12.17

Compare Source

🐛 Bug Fix

• babel-core
  • #​12211 Do not cache non-existent JS config files forever (@​devongovett)
• babel-helper-module-transforms, babel-plugin-transform-typescript
  • #​12796 Register binding when transforming TSParameterProperty (@​JLHwung)
• babel-parser
  • #​12776 fix(ts): parse multiline declarations correctly (@​fedeci)
  • #​12785 Raise recoverable error for type members with invalid modifiers (@​sosukesuzuki)
• babel-traverse
  • #​12797 clean up traverse scope (@​JLHwung)
• babel-types
  • #​12794 Fix import assertions type definitions (@​nicolo-ribaudo)

💅 Polish

• babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-proposal-private-methods
  • #​12792 Reuse the readOnlyError helper for private methods (@​nicolo-ribaudo)

🏠 Internal

• Other
  • #​12810 Store LICENSE files when publishing from GH actions (@​nicolo-ribaudo)
• babel-helper-transform-fixture-test-runner
  • #​12811 test: avoid deprecated jest.addMatchers (@​jeysal)
• babel-parser
  • #​12808 refactor: fix typo in error.js (@​eltociear)

v7.12.16

Compare Source

🐛 Bug Fix

• babel-core
  • #​12783 fix: use semver gte comparison on polyfill version tester (@​JLHwung)
• babel-parser
  • #​12735 [parser] Fix scope handling of Flow declared functions (@​nicolo-ribaudo)
  • #​12775 babel-parser(ts): Throw recoverable for duplicates access modifier (@​sosukesuzuki)
  • #​12771 babel-parser(ts): Raise recoverable error for abstract interface (@​sosukesuzuki)
  • #​12763 fix(ts): include asserts in TSTypePredicate location (@​fedeci)
  • #​12758 [TS] Create TSUnionType or TSIntersectionType when typealias has a leading operator (@​fedeci)
• babel-plugin-transform-typescript
  • #​12760 Support destructuring variable declarator within TS namespace (@​JLHwung)

💅 Polish

• babel-node
  • #​12786 Polish @babel/node REPL (@​JLHwung)

🏠 Internal

• Other
  • #​12781 pnp does not work with ESM dev scripts (@​JLHwung)
  • #​12766 docs: Update build requirements in CONTRIBUTING.md (@​sosukesuzuki)
• babel-cli, babel-core, babel-helper-compilation-targets, babel-helper-create-class-features-plugin, babel-helper-create-regexp-features-plugin, babel-helper-member-expression-to-functions, babel-helper-validator-option, babel-node, babel-parser, babel-plugin-proposal-class-static-block, babel-plugin-proposal-dynamic-import, babel-plugin-proposal-optional-chaining, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx, babel-preset-env, babel-preset-typescript
  • #​12759 Avoid importing .json files (@​nicolo-ribaudo)

v7.12.13

Compare Source

👓 Spec Compliance

• babel-parser
  • #​12661 spec: disable await binding identifier within static block (@​JLHwung)
• babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-proposal-private-methods, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • #​12689 fix: throw error when accessing private method without a getter (@​fedeci)
• babel-plugin-transform-computed-properties, babel-plugin-transform-shorthand-properties
  • #​12664 fix: correctly transform __proto__ properties (@​ExE-Boss)

🐛 Bug Fix

• babel-plugin-proposal-class-properties, babel-traverse
  • #​12729 Fix class fields when super() is in a default param (@​nicolo-ribaudo)
• babel-plugin-proposal-class-properties, babel-plugin-transform-classes
  • #​12723 Define class elements in the correct order (@​nicolo-ribaudo)
• babel-parser, babel-template
  • #​12725 Permit %%placeholder%% in left-hand-side of a let declaration (@​Zalathar)
• babel-core, babel-helper-transform-fixture-test-runner, babel-register
  • #​12728 Don't use require() in ESM files (@​nicolo-ribaudo)
• babel-parser
  • #​12686 (ts) Raise syntax error for an abstract method in non-abstract class (@​sosukesuzuki)
  • #​12684 fix(parser): throw error with wrong typescript 'export declare' (@​fedeci)
  • #​12520 Raise recoverable error for await expressions in sync functions (@​sosukesuzuki)
  • #​12678 fix: start TypePredicate node after returnToken (@​JLHwung)
  • #​12599 @​babel/preset-typescript: fix tsx assigment issue (@​Zzzen)
  • #​12562 [ts]Add optional property to OptionalCallExpression node that has type arguments (@​sosukesuzuki)
• babel-helpers, babel-plugin-transform-classes
  • #​12693 Avoid hitting proto in _inheritsLoose (@​ChALkeR)
• babel-generator
  • #​12653 fix: avoid line breaks between class members head and key (@​JLHwung)
• babel-register
  • #​12665 fix: babel-register transform internal dependencies (@​overlookmotel)
• babel-node
  • #​12638 fix: place _babel-node after process.execArgv (@​JLHwung)
• babel-types
  • #​12602 fix: cloneNode(deep, withoutLoc) handles absent comments (@​FauxFaux)
  • #​12575 Use isIdentifierChar instead of regex for toIdentifier (@​mischnic)
• babel-plugin-transform-modules-systemjs
  • #​12612 [systemjs] Fix: export star alongside with named export (@​shrinktofit)
• babel-plugin-transform-for-of
  • #​12611 Transform labeled for-of inside braceless if statement (@​nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-helper-replace-supers, babel-plugin-transform-classes
  • #​12544 Correctly access shadowed class binding in super.* (@​Zzzen)
• babel-helper-module-imports, babel-plugin-transform-react-jsx-development, babel-plugin-transform-react-jsx
  • #​12546 Load jsx-runtime after existing imports (@​nicolo-ribaudo)

💅 Polish

• babel-helper-transform-fixture-test-runner, babel-parser, babel-preset-env
  • #​12716 refactor: raise AwaitNotInAsyncContext when an AwaitExpression will be parsed (@​JLHwung)
• babel-cli, babel-core, babel-parser
  • #​12437 Recover from "missing semicolon" errors (@​nicolo-ribaudo)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-private-methods
  • #​12713 Add # to the private name in "write-only" errors (@​nicolo-ribaudo)
• babel-helper-compilation-targets, babel-preset-env
  • #​12626 fix: print warning messages to stderr (@​JLHwung)
• babel-code-frame
  • #​12567 fix(code-frame): do not pad gutter of empty lines (@​SimenB)

📝 Documentation

• Other
  • #​12698 Add " 📢 Deprecation" to the changelog labels (@​nicolo-ribaudo)
• babel-cli, babel-code-frame, babel-compat-data, babel-core, babel-generator, 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-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-explode-class, 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-split-export-declaration, babel-helper-transform-fixture-test-runner, babel-helper-wrap-function, babel-helpers, babel-highlight, babel-node, babel-parser, babel-plugin-external-helpers, 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-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-throw-expressions, babel-plugin-proposal-unicode-property-regex, babel-plugin-syntax-class-properties, babel-plugin-syntax-class-static-block, babel-plugin-syntax-decorators, babel-plugin-syntax-do-expressions, babel-plugin-syntax-export-default-from, babel-plugin-syntax-flow, babel-plugin-syntax-function-bind, babel-plugin-syntax-function-sent, babel-plugin-syntax-jsx, babel-plugin-syntax-module-string-names, babel-plugin-syntax-partial-application, babel-plugin-syntax-pipeline-operator, babel-plugin-syntax-throw-expressions, babel-plugin-syntax-top-level-await, 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-literals, 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-assign, babel-plugin-transform-object-set-prototype-of-to-assign, 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-self, babel-plugin-transform-react-jsx-source, babel-plugin-transform-react-jsx, 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-runtime-corejs2, babel-runtime, babel-standalone, babel-template, babel-traverse, babel-types
  • #​12531 docs: add package-specific documentation links (@​DanArthurGallagher)

🏠 Internal

• babel-traverse, babel-types
  • #​12296 Use native ESM for dev scripts (@​karansapolia)
• babel-register
  • #​12674 babel-register run default register with global module cache (@​overlookmotel)
• Other
  • #​12659 Add yarn-plugin-conditions to update Babel 8 dependencies (@​nicolo-ribaudo)
  • #​12640 test: reuse lodash library within eslint tests (@​armano2)
  • #​12592 Remove remaining references to lerna (@​nicolo-ribaudo)
• babel-generator, babel-preset-env
  • #​12670 fix: allow to execute util scripts (@​armano2)
• babel-core, babel-helper-compilation-targets, babel-plugin-transform-classes, babel-plugin-transform-function-name, babel-plugin-transform-parameters, babel-plugin-transform-regenerator, babel-preset-env
  • #​12615 Tweak helper compilation targets (@​JLHwung)

🔬 Output optimization

• babel-plugin-transform-modules-commonjs, babel-plugin-transform-template-literals, babel-plugin-transform-unicode-escapes, babel-preset-env
  • #​12588 Declare template objects inline (@​nicolo-ribaudo)
• babel-plugin-transform-react-jsx
  • #​12557 Optimize jsx spreads of object expressions (@​bz2)

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