Babel: v8.0.0-beta.2 Release

v8.0.0-beta.2 (2025-09-05)

:boom: Breaking Change

• babel-standalone
  • #17421 Do not enable default plugins in @babel/standalone (@gwillen)

:bug: Bug Fix

• babel-types
  • #17495 fix: allow d and v flag in regExpLiteral builder (@JLHwung)
• babel-parser
  • #17479 [Babel 8] Align TSMappedType AST (@JLHwung)

:nail_care: Polish

• babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-object-rest-spread, babel-traverse
  • #17485 Improve @babel/traverse typings (@JLHwung)
• babel-core, babel-helpers, babel-runtime-corejs3, babel-traverse, babel-types
  • #17471 Improve @babel/core typings (@JLHwung)
• babel-core
  • #17470 export PartialConfig and NormalizedOptions (@JLHwung)

:house: Internal

• #17468 build(Babel 8): disable JSON module transform (@JLHwung)

Committers: 9

• Babel Bot (@babel-bot)
• Bill Collins (@mrginglymus)
• Glenn Willen (@gwillen)
• Huáng Jùnliàng (@JLHwung)
• Jam Balaya (@JamBalaya56562)
• Nicolò Ribaudo (@nicolo-ribaudo)
• SOUHAILA SERBOUT (@souhailaS)
• @liuxingbaoyu
• easrng (@easrng)