@babel/compat-data

:eyeglasses: Spec Compliance

• babel-parser

  • Allow the dynamic import.defer() form of import defer (@babel-bot)

:bug: Bug Fix

• babel-plugin-transform-block-scoped-functions

  • chore: Avoid calling isInStrictMode in Babel 7 (@liuxingbaoyu)

• babel-plugin-transform-typescript

  • fix: Correctly generate exported const enums in namespace (@liuxingbaoyu)

• babel-parser

  • [estree] Unify method type parameters handling (@JLHwung)

  • fix: Correctly set position for @(a.b)() (@liuxingbaoyu)

  • [estree] Adjust the start loc of class methods with type params (@nicolo-ribaudo)

• babel-generator, babel-parser, babel-plugin-transform-flow-strip-types, babel-types

  • Support flow jsx opening element type arguments (@JLHwung)

• babel-compat-data, babel-preset-env

  • fix: More accurate transform-typeof-symbol compat data (@liuxingbaoyu)

• babel-generator, babel-parser, babel-types

  • Fix incomplete visitor keys (@JLHwung)

:microscope: Output optimization

• babel-plugin-transform-nullish-coalescing-operator

  • Improve nullish coalescing operator output (@liuxingbaoyu)