Babel v7.9.6 release notes (2020-04-29)

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Babel v7.9.6 Release Notes

Release Date: 2020-04-29 // about 4 years ago

v7.9.6 (2020-04-29)

Thanks to @Beraliv, @ChintanAcharya, @dosentmatter, @jdreesen and @johannes-z for their first PRs!

🍱 👓 Spec Compliance
- 🔌 babel-plugin-proposal-object-rest-spread
  - #11471 Fix evaluation order with object spread, 2 (@jridgewell)
  - #11412 Fix evaluation order with object spread (@Zzzen)
- 🔌 babel-helper-replace-supers, babel-plugin-proposal-class-properties, babel-plugin-transform-classes
  - #11480 Super property eval order (@jridgewell)
🍱 🚀 New Feature
- babel-traverse, babel-types
  - #11448 Adding createFlowUnionType in place of createUnionTypeAnnotation without breaking change (@Beraliv)
🍱 🐛 Bug Fix
- 🔌 babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-transform-modules-commonjs, babel-preset-env
  - #11495 Fix helpers.unsupportedIterableToArray for Map and Set (@ChintanAcharya)
- babel-traverse
  - #11482 handle objectMethod in scope.isPure (@Zzzen)
- 🔌 babel-plugin-transform-typescript
  - #11410 Throw error for TypeScript declare const enum (@dosentmatter)
- babel-compat-data
  - #11462 chore: add node.js 14 support data (@JLHwung)
- 📜 babel-parser
  - #11449 Set exprAllowed to false for star token (@existentialism)
  - #11355 fix: disallow expression after binding identifier of (@JLHwung)
  - #11417 fix: report missing plugins on type exports (@JLHwung)
  - #11388 fix: do not push new token context when function is following dot/questionDot (@JLHwung)
- 🔌 babel-helper-create-class-features-plugin, babel-plugin-proposal-class-properties
  - #11424 Fix redeclaring private in nested class's superClass (@jridgewell)
  - #11405 Fix nested classes reference private fields (@jridgewell)
- babel-traverse, babel-types
  - #11378 transform-spread: create TS types (not Flow) when using TS (@Beraliv)
- babel-standalone
  - #11395 chore: update stage preset in babel-standalone (@JLHwung)
- 🔌 babel-plugin-transform-runtime
  - #11366 fix: replace backslashes with forward slashes from resolved path for … (@johannes-z)
- 🔌 babel-generator, babel-plugin-proposal-decorators, babel-plugin-proposal-pipeline-operator, babel-plugin-proposal-throw-expressions, babel-plugin-transform-async-to-generator
  - #11382 Unify parens printing for postfix-like expressions (@nicolo-ribaudo)
💅 💅 Polish
- 📜 babel-parser
  - #11478 Add some parser missing plugins errors (@JLHwung)
  - #11417 fix: report missing plugins on type exports (@JLHwung)
- babel-core
  - #11421 polish: recommend preset for js extensions (@JLHwung)
  - #11397 fix: add classPrivateProperties and classPrivateMethods to missing plugin helper (@JLHwung)
📚 📝 Documentation
- 📜 babel-parser
  - #11492 docs: update AST spec (@JLHwung)
- Other
  - #11493 Add note about experimental nature of @babel/eslint-* packages (@kaicataldo)
  - #11403 contributing.md updates [skip ci] (@hzoo)
🍱 🏠 Internal
- babel-compat-data, babel-preset-env
  - #11496 Update compat table script (@nicolo-ribaudo)
  - #11450 Update compat data (@JLHwung)
- Other
  - #11479 Canary build of packages using CodeSandbox CI + mini repl (@hzoo)
  - #11467 chore: test against node.js 14 (@JLHwung)
  - #11456 remove < x.y.z engines specification (@JLHwung)
  - #11433 chore: remove included proposal plugins (@JLHwung)
  - #11422 chore: upgrade @babel/* deps (@JLHwung)
- babel-node
  - #11440 refactor(babel-node): Refactor babel-node tests configuration (@arku)
🐎 🏃‍♀️ Performance
- 🔌 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
  - #11401 Speed up the createSuper helper (@jridgewell)
Committers: 13
- Arun Kumar Mohan (@arku)
- Brian Ng (@existentialism)
- Chintan Acharya (@ChintanAcharya)
- Henry Zhu (@hzoo)
- Huáng Jùnliàng (@JLHwung)
- Jacob Dreesen (@jdreesen)
- Justin Ridgewell (@jridgewell)
- Kai Cataldo (@kaicataldo)
- Kevin Lau (@dosentmatter)
- Nicolò Ribaudo (@nicolo-ribaudo)
- Zen (@Zzzen)
- beraliv (@Beraliv)
- johannes (@johannes-z)