@babel/runtime-corejs2
7.29.7 · 25 May 2026MIT974.5k / weekRepositoryHomepagenpmAtom feed
Upgrading @babel/runtime-corejs2 from 7.1.2 to 7.1.5
1 release in betweenevery note read
Security
1 advisory still affects 7.1.5
- Babel has inefficient RegExp complexity in generated code with .replace when transpiling named capturing groupsmoderate · GHSA-968p-4wvh-cqc8
Upgrading to 7.26.10 clears it.
Release by release
- new
Add support for parsing
_as implicit instantiation in call/new. (@jbrown215) - new
Allow function types in type params within arrow return types. (@danez)
- fixed
Do not allow TypeCastExpressions w/o parens . (@danez)
- fixed
Resolve babel.config.js 'babelrcRoots' values relative to the config file.. (@loganfsmyth)
- fixed
Fix single-arg async arrows when retainLines=true. (@ryanwmarsh)
- fixed
Expression x === 'y' && '' should not evaluate to undefined.. (@Cyp)
- new
5 other lines we could not sort, mostly version bumps
- 7.1.5
Typescript: Validate tuple type element positions. (@Retsam)
- 7.1.5
Remove Babylon plugins for features already merged to the ECMAScript spec. (@nicolo-ribaudo)
- 7.1.5
Explicit inexact objects with
.... (@jbrown215) - 7.1.5
- 7.1.5
preset-env: Edge support for arrow param destructuring. (@benmosher)
20 internal lines (docs, tests, tooling) left out.