EDIT: quick guide for getting started: https://jestjs.io/docs/ecmascript-modules ESM support will be unflagged in a future release of Node 12 (maybe not before April nodejs/node#29866 (comment)) and it is already unflagged in Node 13.2, so I think it's time to evaluate how we can add native support in Jest. I'll try to list which features Jest currently provides that are impacted by ESM support, a