Not sure if this was added after your comment, but it now says (in a scary red box)

> You can export your game, but you shouldn't distribute your exported game just yet.

That doesn't sound good, maybe they realized after the fact that they haven't actually worked things out with Valve?

that's pretty vague, I mean are there no real licensing terms somewhere? What am I truly signing up for when I try to use this engine? I have to publish my game on steam but in what form? Same price as I do on my own website/store? Same exact form as on other stores? Same exact time, I can't publish first on epic and only later on steam?