Babel (Formerly 6to5) v7.6.3 release notes (2019-10-08)

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Babel (Formerly 6to5) v7.6.3 Release Notes

Release Date: 2019-10-08 // over 4 years ago

v7.6.3 (2019-10-08)

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

🍱 👓 Spec Compliance
- 📜 babel-parser
  - #10469 Disallow await inside async arrow params (@nicolo-ribaudo)
  - #10493 [parser] Disallow numeric separators in legacy octal like integers (@gonzarodriguezt)
🍱 🚀 New Feature
- babel-types
  - #10504 Add declarations for more of @babel/types exports (@Jessidhia)
🍱 🐛 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)
💅 💅 Polish
- babel-core
  - #10419 assertNoDuplicates throw with more context (@hjdivad)
  - #10511 Add filename to transform error (@JLHwung)
🍱 🏠 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)
🐎 🏃‍♀ 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)