This looks similar to what was demo'd a year ago at EmberConf 2015... Something that works for a subset of people with a specific setup. It looks really cool..

This looks similar to what was demo'd a year ago at EmberConf 2015... Something that works for a subset of people with a specific setup. It looks really cool... if I'm understanding it correctly, it can hot-load code in production, which is awesome and scary. It appears to be a quickstart, so what is upgrading like?