@babel/plugin-transform-runtime 8.1.2

v8.1.2

on Node.js NPM

v8.1.2 (2026-11-11)

👓 Spec Compliance

• babel-parser
  • #18536 fix(parser): require ( after import.{source,defer,sync} (@JLHwung)
• babel-plugin-transform-regenerator, babel-plugin-transform-runtime
  • #18489 fix(regenerator): read the method of a member call before its arguments (@joellemd)

🐛 Bug Fix

• babel-helper-module-transforms, babel-plugin-transform-dynamic-import, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd
  • #18589 Respect importInterop: none for dynamic import (@nicolo-ribaudo)
• babel-parser
  • #18537 fix(parser): allow ASI between modifier-like field and @ dec (@JLHwung)
  • #18268 fix(parser): rework ts arrow param tracking (@JLHwung)
  • #18524 fix(parser): record token location before checking reserved words (@JLHwung)
  • #18533 fix(parser): reject arrow functions after an arrow in an earlier operand (@JLHwung)
  • #18540 fix(parser): handle async do await in parameters (@JLHwung)
  • #18515 fix(parser): start decorated object members at their first decorator (@JLHwung)
  • #18484 fix(parser): allow TS imports to define exports declared before them (@JLHwung)
• babel-helper-member-expression-to-functions, babel-plugin-transform-classes, babel-plugin-transform-object-super, babel-plugin-transform-private-methods
  • #18576 Keep the receiver of TS-wrapped super and private member calls (@brunoborta)
• babel-helper-string-parser, babel-parser
  • #18580 fix(parser): recover from out-of-range \u{...} code points (@JLHwung)
• babel-generator
  • #18570 fix(generator): keep parens that end an optional chain before (@joellemd)
  • #18506 fix(generator): print override modifier of TSParameterProperty (@JLHwung)
  • #18507 fix(generator): do not apply jsesc number radix to non-integer literals (@JLHwung)
  • #18430 fix(generator): escape of binding of a using declaration in for-of head (@JLHwung)
• babel-plugin-transform-class-static-block
  • #18563 fix(class-static-block): skip class body path with stale ancestry (@JLHwung)
• babel-template
  • #18572 fix: avoid retaining the call site (@JLHwung)
• babel-helper-module-transforms, babel-parser, babel-plugin-transform-modules-commonjs, babel-plugin-transform-react-pure-annotations, babel-plugin-transform-typescript, babel-traverse, babel-types
  • #18504 fix: improve string module specifiers support (@JLHwung)
• babel-plugin-transform-exponentiation-operator, babel-plugin-transform-logical-assignment-operators
  • #18527 fix memoise wrapped targets in logical assignment (@joellemd)
• babel-plugin-transform-flow-comments
  • #18564 fix(flow-comments): support anonymous classes (@JLHwung)
• babel-plugin-transform-block-scoping, babel-traverse
  • #18562 fix: rename assignment targets in forXStatement (@JLHwung)
• babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-runtime-corejs3
  • #18557 fix(regenerator): dispatch pending jump after finally to outer finally blocks (@hoanle0126)
• babel-traverse
  • #18551 fix(traverse): do not evaluate var s whose initializer may not have run (@joellemd)
• babel-plugin-transform-regenerator
  • #18486 fix(regenerator): only remove bindings declared by the hoisted declar… (@joellemd)
• babel-helper-module-transforms, babel-plugin-transform-modules-commonjs
  • #18498 fix: commonjs namespace re-export with a string export name (@bohdanprog)

🏠 Internal

• Other
  • #18568 chore: enable strict in tsconfig.base.json (@JLHwung)
  • #18556 chore: cleanup eslint config (@JLHwung)
• babel-core, babel-helper-fixtures, babel-helper-transform-fixture-test-runner, babel-helpers, babel-node, babel-plugin-transform-runtime, babel-register, babel-template, babel-traverse, babel-types
  • #18565 chore: enable useUnknownInCatchVariables ts compiler option (@JLHwung)

🏃‍♀️ Performance

• babel-parser
  • #18513 perf: Avoid allocating useless TS nodes (@liuxingbaoyu)
  • #18423 perf(parser): general improvement (@JLHwung)

Committers: 8

• Babel Bot (@babel-bot)
• Bohdan Artiukhov (@bohdanprog)
• Bruno "Borta" Bortagaray (@brunoborta)
• Huáng Jùnliàng (@JLHwung)
• Joelle Mahfoud (@joellemd)
• Lê Văn Xuân Hoàn (@hoanle0126)
• Nicolò Ribaudo (@nicolo-ribaudo)
• @liuxingbaoyu