@babel/core 8.0.10

on Node.js NPM

v8.0.10 (2026-10-29)

Thanks @dagemawinegash, @nyan-left, @saiyam-jain-dev, and @yulman2207 for your first PRs!

🐛 Bug Fix

• babel-parser
  • #18420 fix(parser): improve radix literal rounding (@JLHwung)
  • #18372 fix(parser): allow parenthesized assignment target in arrow initializer (@JLHwung)
  • #18410 fix(parser): do not record strict mode errors during lookahead (@JLHwung)
  • #18433 fix(parser): invalid expectOnePlugin usage (@JLHwung)
  • #18409 fix(parser): handle ASI after let followed by a reserved word on the next line (@JLHwung)
  • #18406 fix(parser): parser should not crash for import defer {} (@JLHwung)
  • #18407 fix(parser): record start location in startNodeAt (@JLHwung)
• babel-plugin-transform-block-scoping
  • #18371 fix: closures in for-loop test and update capture wrong binding (@joellemd)
• babel-generator
  • #18418 fix(generator): keep aliases of string-literal module specifiers (@JLHwung)
  • #18427 Fix missing parentheses around TypeScript assertion targets (@dagemawinegash)
  • #18324 fix: invalid minified: true output for new expression (@JLHwung)
  • #18437 fix(generator): preserve type modifier in TSImportEqualsDeclaration (@saiyam-jain-dev)
  • #18424 Keep parentheses around TSInstantiationExpression operand (@yulman2207)
  • #18417 fix(generator): do not disallow line break after import source (@JLHwung)
• babel-plugin-transform-optional-chaining, babel-traverse
  • #18422 fix: Scope#push should not push iife param after rest element (@JLHwung)
• babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators
  • #18224 fix: avoid removable fields as decorator evaluation hosts (@nyan-left)
• babel-types
  • #18411 Allow member expression values in ObjectPattern properties (@JLHwung)
• babel-plugin-transform-classes
  • #18384 Leave loose class prototype mutable with accessors (@nicolo-ribaudo)

🏠 Internal

• babel-build-external-helpers, babel-core, babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-class-properties, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-systemjs, babel-plugin-transform-regenerator, babel-runtime-corejs3, babel-runtime
  • #18397 Mangle top level names in helpers (@nicolo-ribaudo)

🏃‍♀️ Performance

• babel-traverse
  • #18413 perf(traverse): improve generateUid and push (@JLHwung)

🔬 Output optimization

• babel-helpers, babel-runtime-corejs3
  • #18325 Shrink jsx helper size (@JLHwung)

Committers: 8

• Deimantas Jakovlevas (@nyan-left)
• Huáng Jùnliàng (@JLHwung)
• Joelle Mahfoud (@joellemd)
• Nicolò Ribaudo (@nicolo-ribaudo)
• Saiyam Jain (@saiyam-jain-dev)
• Yuly Cohen (@yulman2207)
• @dagemawinegash
• @liuxingbaoyu