Update babel

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@babel/core (source)	7.28.5 → 7.29.0
@babel/plugin-transform-class-properties (source)	7.27.1 → 7.28.6
@babel/plugin-transform-optional-chaining (source)	7.28.5 → 7.28.6
@babel/plugin-transform-react-jsx (source)	7.27.1 → 7.28.6
@babel/preset-env (source)	7.28.5 → 7.29.2

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Release Notes

babel/babel (@​babel/core)

v7.29.0

Compare Source

v7.29.0 (2026-01-31)

Thanks @​simbahax for your first PR!

🚀 New Feature

• babel-types
  • #​17750 [7.x backport] Add attributes import declaration builder (@​JLHwung)
• babel-standalone
  • #​17663 [7.x backport] feat(standalone): export async transform (@​JLHwung)
  • #​17725 [7.x backport] feat: read standalone targets from data-targets (@​JLHwung)

🐛 Bug Fix

• babel-parser
  • #​17765 fix(parser): correctly parse type assertions in extends clause (@​nicolo-ribaudo)
  • #​17723 [7.x backport] fix(parser): improve super type argument parsing (@​JLHwung)
• babel-traverse
  • #​17708 fix(traverse): provide a hub when traversing a File or Program and no parentPath is given (@​simbahax)
• babel-plugin-transform-block-scoping, babel-traverse
  • #​17737 [7.x backport] fix: Rename switch discriminant references when body creates shadowing variable (@​magic-akari)

🏃‍♀️ Performance

• babel-generator, babel-runtime-corejs3
  • #​17642 [Babel 7] Improve generator performance (@​liuxingbaoyu)

Committers: 6

• David (@​simbahax)
• Huáng Jùnliàng (@​JLHwung)
• Nicolò Ribaudo (@​nicolo-ribaudo)
• @​liuxingbaoyu
• @​magic-akari

v7.28.6

Compare Source

babel/babel (@​babel/preset-env)

v7.29.2

Compare Source

v7.29.0

Compare Source

v7.29.0 (2026-01-31)

Thanks @​simbahax for your first PR!

🚀 New Feature

• babel-types
  • #​17750 [7.x backport] Add attributes import declaration builder (@​JLHwung)
• babel-standalone
  • #​17663 [7.x backport] feat(standalone): export async transform (@​JLHwung)
  • #​17725 [7.x backport] feat: read standalone targets from data-targets (@​JLHwung)

🐛 Bug Fix

• babel-parser
  • #​17765 fix(parser): correctly parse type assertions in extends clause (@​nicolo-ribaudo)
  • #​17723 [7.x backport] fix(parser): improve super type argument parsing (@​JLHwung)
• babel-traverse
  • #​17708 fix(traverse): provide a hub when traversing a File or Program and no parentPath is given (@​simbahax)
• babel-plugin-transform-block-scoping, babel-traverse
  • #​17737 [7.x backport] fix: Rename switch discriminant references when body creates shadowing variable (@​magic-akari)

🏃‍♀️ Performance

• babel-generator, babel-runtime-corejs3
  • #​17642 [Babel 7] Improve generator performance (@​liuxingbaoyu)

Committers: 6

• David (@​simbahax)
• Huáng Jùnliàng (@​JLHwung)
• Nicolò Ribaudo (@​nicolo-ribaudo)
• @​liuxingbaoyu
• @​magic-akari

v7.28.6

Compare Source

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