Rich

Could this be behind a compiler flag? I can see it potentially adding a lot of unhelpful boilerplate.

Yes lets implement this.

So I'm reasonably confident about the new structure of artefacts released in 0.2.1. I'm holding off the time being on signing artefacts.

@mghildiy So I'm planning on breaking this issue into a number of smaller issues. It was useful for a while to have various strands collected into one issue but I...

Raised issue for Scala [here](https://github.com/scala/bug/issues/12424)

Raised new issue on [epfl bug tracker](https://github.com/lampepfl/dotty/issues/13127)