@babel/runtime-corejs2
7.29.7 · 25 May 2026MIT974.5k / weekRepositoryHomepagenpmAtom feed
7.29.10 is the newest release of 7.x.
In short
8 fixed1 changed20 internal
Security
1 advisory affects 7.14.8; 7.26.10 fixes them
- ModerateBabel has inefficient RegExp complexity in generated code with .replace when transpiling named capturing groupsGHSA-968p-4wvh-cqc8 · 11 Mar 2025Fixed in 7.26.10
Release note
Thanks @colinaaa, @jaeseokk and @nme077 for your first PRs!
:eyeglasses: Spec Compliance
babel-helper-create-class-features-plugin,babel-plugin-proposal-class-static-block,babel-plugin-transform-new-targetfix(class-properties): replace
new.targetin static properties withundefined(@colinaaa)
babel-parserbabel-helper-module-transforms,babel-helper-simple-access,babel-plugin-transform-modules-commonjsFix const violations in ESM imports when transformed to CJS (@overlookmotel)
:bug: Bug Fix
babel-parserUpdate babel-parser.d.ts (@sosukesuzuki)
Fix parser
strictModeoption (@overlookmotel)Fix issue to allow module block in member expression (@nme077)
Overhaul comment attachment (@JLHwung)
Async do expression should start at async (@JLHwung)
babel-plugin-transform-arrow-functions,babel-traverseFix arrow transformation when
argumentsis defined as variable (@snitin315)
babel-traversefix: accept duplicated import/variable in different module (@colinaaa)
babel-types
:nail_care: Polish
babel-coreFix config validation message typo (@jaeseokk)
babel-clifix: sync default_extensions to babel-cli usage (@JLHwung)
:memo: Documentation
Fix
make generate-standalone->make build-standalone(@sosukesuzuki)
:house: Internal
babel-helpersminor improvement to gulp generate-runtime-helpers error message (@lightmare)
:running_woman: Performance
babel-parserOverhaul comment attachment (@JLHwung)