babel-parser
- #13229 Add attachComment parser option to disable comment attachment (@JLHwung)
babel-standalone
- #13476 standalone: update preset-stage-* (@sosukesuzuki)
- #13555 feat: support hack pipeline in @babel/standalone (@JLHwung)
babel-parser, babel-preset-env
- #13387 Enable top-level await parsing by default (@nicolo-ribaudo)
babel-plugin-transform-typescript, babel-preset-typescript
- #13324 Support TypeScript const enums (@nicolo-ribaudo)
babel-plugin-transform-typescript
- #13528 feat(typescript): implement namespace alias (@colinaaa)
babel-core, babel-helper-create-class-features-plugin, babel-helper-module-transforms, babel-plugin-transform-modules-commonjs
- #13290 feat: add noIncompleteNsImportDetection assumption to plugin-transform-modules-commonjs (@fedeci)
babel-plugin-transform-react-display-name
- #13501 Add display name after create context (@JLHwung)
babel-parser, babel-plugin-proposal-pipeline-operator, babel-plugin-syntax-pipeline-operator
- #13416 Hack-pipe proposal with % topic token (@js-choi)
babel-generator, babel-parser, babel-plugin-proposal-pipeline-operator, babel-plugin-syntax-pipeline-operator, babel-traverse, babel-types
- #13191 Add support for the "Hack" pipeline proposal (@js-choi)
babel-plugin-transform-runtime
- #13398 Expose @babel/eslint-parser/experimental-worker (@nicolo-ribaudo)
babel-compat-data, babel-helper-compilation-targets, babel-preset-env
- #13448 Add support for rhino as a compilation target (@gausie)
babel-compat-data, babel-parser, babel-preset-env
- #13554 Enable ergonomic brand checks (#priv in) by default (@nicolo-ribaudo)

:bug: Bug Fix

babel-parser, babel-plugin-transform-typescript
- #13513 [ts] support optional chain call with generic (@lala7573)
babel-plugin-transform-typescript
- #13605 Handle typescript function overloading in a default export (@tony-go)
babel-parser
- #13536 Fix %== parsing in hack pipes (@nicolo-ribaudo)
- #13426 parser: Fix Hack/smart-pipe error positions (@js-choi)
- #13622 fix(ts): raise error for export default interface {} (@a-tarasyuk)