@babel/compat-data

:bug: Bug Fix

• babel-plugin-transform-typescript

  • Strip type-only TS namespaces (@colinaaa)

• babel-generator

  • Fix indentation when generating comments with concise: true (@liuxingbaoyu)

• babel-compat-data, babel-plugin-bugfix-v8-static-class-fields-redefine-readonly, babel-preset-env

  • Add a bugfix plugin for crbug.com/v8/12421 (@nicolo-ribaudo)

• babel-plugin-transform-object-super

  • fix: super.x in a loop (@liuxingbaoyu)

• babel-helper-module-transforms, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd

  • fix: handle __proto__ exports name in CJS/AMD/UMD (@magic-akari)

:house: Internal

• babel-core, babel-preset-env

  • Refactor handling of modules plugins in preset-env (@nicolo-ribaudo)

:running_woman: Performance

• babel-generator

  • perf: Improve @babel/generator performance (@liuxingbaoyu)

• babel-traverse

  • Avoid dynamic dispatch when calling wrapCheck (@yepitschunked)

:microscope: Output optimization

• babel-plugin-transform-computed-properties

  • Optimize computed properties output (byte-wise) (@Andarist)