@babel/runtime-corejs2

7.29.7 · 25 May 2026MIT974.5k / weekRepository Homepage npm Atom feed

Your version

7.13.9

1 Mar 2021Where it was published

7.29.10 is the newest release of 7.x.

In short

2 fixed3 changed6 internal

Security

1 advisory affects 7.13.9; 7.26.10 fixes them

Moderate
Babel has inefficient RegExp complexity in generated code with .replace when transpiling named capturing groupsGHSA-968p-4wvh-cqc8 · 11 Mar 2025
Fixed in 7.26.10

Release note

Thanks @saitonakamura for your first PR!

:bug: Bug Fix

babel-preset-env
- Load .browserslistrc when using old @babel/core versions (@nicolo-ribaudo)
babel-parser
- fix: add tokens when tokens: true is passed to parseExpression (@JLHwung)
- babel-parser(flow): Add null property to FunctionTypeAnnotation without parens (@sosukesuzuki)
babel-generator
- Fix a bug with invalid print output when empty array is passed to t.tsInterfaceDeclaration (@saitonakamura)
- Allow nullish extends in interfaceish (@saitonakamura)

:house: Internal

babel-plugin-transform-runtime, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
- Put back ESM helpers in a folder where we can use .js (@nicolo-ribaudo)