main
Improve comments generation (#14979)
Correctly transform spreads to use proper concat method (#9108)
Remove old expected.{js,json} files (#7187)
RUN: `node scripts/remove-babel-7-tests.mjs`
Support iterating generators in browsers without `Symbol` (#13129)
Reduce the use of class names (#16326)
Enable `external-helpers` by default in tests (#12911)
[babel 8] Better file ext handling for TS and Flow presets (#14955)