@babel/runtime-corejs2

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

Same major only

1 release in betweenevery note read

Other targets from 7.19.2Newest 7.x7.29.10 Clears its advisory7.26.10 Latest7.29.7

0
changes to make: 0
advisories fixed: 0
new: 3
fixes

Security

1 advisory still affects 7.19.4

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

7.19.4
10 Oct 20223 fixes
- fixed
  Check constant violation inside loops (@nicolo-ribaudo)
- fixed
  Properly scope variables in TSModuleBlock (@The-x-Theorist)
- fixed
  Mark var declarations in loops as not constant (@nicolo-ribaudo)

4 other lines we could not sort, mostly version bumps

Disallow rest object destructuring of null/undefined (@nicolo-ribaudo)
7.19.4
Improve module expression parsing/printing (@JLHwung)
7.19.4
Run test262 again (@nicolo-ribaudo)
7.19.4
Internally rename proposal-* to transform-* in preset-env (@nicolo-ribaudo)
7.19.4

9 internal lines (docs, tests, tooling) left out.

Upgrade to 7.19.4

npm install @babel/runtime-corejs2@7.19.4

What 7.19.4 needs

Reading 7.19.4's manifest…

Check against your package.json

Which of your other dependencies stand in the way of 7.19.4. Read once, not stored.

After upgrading

Run the type checker, the linter and the tests.
Build, and look for new deprecation warnings.
Update peer dependencies the new version asks for.
1 advisory still affects 7.19.4.