Sourced from @babel/preset-env's releases.

v7.1.5 (2018-11-06)

Various bug fixes and additions.

And thanks to benmosher, ryanwmarsh, Cyp, vvyomjjain, byronluk, everdimension for their first PRs!

👓 Spec Compliancy

• babel-parser, babylon
  • #7727 Fix await in function name and parameters. ([nicolo-ribaudo](https://github.com/nicolo-ribaudo))

🚀 New Feature

• babel-parser
  • #8828 Typescript: Validate tuple type element positions. ([Retsam](https://github.com/Retsam))
  • #8883 [flow] Add support for parsing _ as implicit instantiation in call/new. ([jbrown215](https://github.com/jbrown215))
• babel-core, babel-generator, babel-parser, babel-plugin-syntax-typescript, babel-traverse
  • #8448 Remove Babylon plugins for features already merged to the ECMAScript spec. ([nicolo-ribaudo](https://github.com/nicolo-ribaudo))
• babel-parser, babel-types
  • #8884 [flow] Explicit inexact objects with .... ([jbrown215](https://github.com/jbrown215))
• babel-preset-env
  • #8898 Update preset-env data. ([existentialism](https://github.com/existentialism))

🐛 Bug Fix

• babel-parser
  • #8956 Do not allow TypeCastExpressions w/o parens . ([danez](https://github.com/danez))
  • #8954 Allow function types in type params within arrow return types. ([danez](https://github.com/danez))
  • #8866 Closes #8865. ([byronluk](https://github.com/byronluk))
• babel-core
  • #8910 Resolve babel.config.js 'babelrcRoots' values relative to the config file.. ([loganfsmyth](https://github.com/loganfsmyth))
  • #8950 Fix message when plugin of a wrong type is passed. ([everdimension](https://github.com/everdimension))
• babel-plugin-transform-block-scoping
  • #8937 rename colliding let bindings with for loop init. ([byronluk](https://github.com/byronluk))
  • #8914 Treat break inside block inside loop. ([thiagoarrais](https://github.com/thiagoarrais))
• babel-preset-env
  • #8926 preset-env: Edge support for arrow param destructuring. ([benmosher](https://github.com/benmosher))
• babel-generator
  • #8868 fix single-arg async arrows when retainLines=true. ([ryanwmarsh](https://github.com/ryanwmarsh))
• babel-traverse
  • #8880 fix: Expression x === 'y' && '' should not evaluate to undefined.. ([Cyp](https://github.com/Cyp))

💅 Polish

• #8873 fixed an extra word. ([vvyomjjain](https://github.com/vvyomjjain))

Committers: 14

• Ben Mosher (benmosher)
• Brian Ng (existentialism)
• Byron Luk (byronluk)
• Daniel Tschinder (danez)
• James Garbutt (43081j)
• Jordan Brown (jbrown215)
• Logan Smyth (loganfsmyth)

... (truncated)

Sourced from @babel/preset-env's changelog.

Changelog

Tags:

• 💥 [Breaking Change]
• 👓 [Spec Compliancy]
• 🚀 [New Feature]
• 🐛 [Bug Fix]
• 📝 [Documentation]
• 🏠 [Internal]
• 💅 [Polish]

Note: Gaps between patch versions are faulty, broken or test releases.

See CHANGELOG - v4, CHANGELOG - v5, and CHANGELOG - v6 for v4.x-v6.x changes.
See CHANGELOG - 6to5 for the pre-4.0.0 version changelog.
See Babylon's CHANGELOG for the Babylon pre-7.0.0-beta.29 version changelog.

7.1.2 (2018-09-28)

Same as v7.1.1, except compiled against Node 6 instead of Node 8 by accident (e.g had async functions).

v7.1.1 (2018-09-28)

EDIT: had a publish issue here as well where it compiled against Node 8 instead of Node 6 so 7.1.2 will fix this.
Also force publish @babel/runtime and @babel/runtime-corejs2. We need to fix the publishing around that since Lerna doesn't pickup the @babel/helpers changes as there is no "dependency"

🐛 Bug Fix

• babel-generator, babel-parser, babel-types
  • #8755 TypeScript: reserve unknown as TSUnknownKeyword. ([g-plane](https://github.com/g-plane))
• babel-plugin-transform-destructuring
  • #8535 Do not unpack array patterns that update a referenced binding. ([nicolo-ribaudo](https://github.com/nicolo-ribaudo))
• babel-plugin-proposal-decorators
  • #8742 [decorators] Support async and generator methods. ([nicolo-ribaudo](https://github.com/nicolo-ribaudo))
• babel-helpers, babel-plugin-proposal-decorators
  • #8761 [decorators] Fields are enumerable. ([nicolo-ribaudo](https://github.com/nicolo-ribaudo))
• babel-generator
  • #8751 Fix some missing parens cases with OptionalMemberExpression in generator. ([existentialism](https://github.com/existentialism))
  • #8727 Handle throw expressions in generator. ([existentialism](https://github.com/existentialism))

🏠 Internal

• Other
  • #8780 Run test262 tests for exportNamespaceFrom. ([existentialism](https://github.com/existentialism))
• babel-helper-transform-fixture-test-runner
  • #8768 Use babel-check-duplicated-nodes. ([nicolo-ribaudo](https://github.com/nicolo-ribaudo))

• afe67a7 v7.1.5
• 2fa1984 Fix await in function name and parameters (#7727)
• 2194842 Typescript: Validate tuple type element positions (#8828)
• e3b2c1a fix: Do not allow TypeCastExpressions w/o parens (#8956)
• b95cbc4 output aliased types in typescript declarations (#8629)
• 24c4901 Remove Babylon plugins for features already merged to the ECMAScript spec (#8...
• c125b1d Update test262 commit, as old commit broke for some reason
• f216a7b [flow] Add support for parsing _ as implicit instantiation in call/new (#8883)
• c6d2f45 Resolve babel.config.js 'babelrcRoots' values relative to the config file. (#...
• 1d4d760 Update test262 to latest commit and enable mapping for features
• Additional commits viewable in compare view

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