@babel/runtime-corejs2

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

Your version

7.4.2

21 Mar 2019Where it was published

7.29.10 is the newest release of 7.x.

In short

3 changed8 internal

Security

1 advisory affects 7.4.2; 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

:bug: Bug Fix

babel-parser
- Modules might be in loose mode when checking for undecl exports (@nicolo-ribaudo)
- Fix scope checks with enabled flow plugin (@danez)
babel-helpers, babel-plugin-transform-named-capturing-groups-regex
- Fix typo in wrapRegExp helper (@nicolo-ribaudo)
babel-preset-env
- Closes #9713 (@zloirock)

:nail_care: Polish

babel-preset-env
- Mark the core-js warning as such (@nicolo-ribaudo)
- Tweak preset-env corejs/useBuiltIns warning and error messages (@existentialism)