Yes here: wolfire.com/…/Regarding-the-Valve-class-action/

They have the proof in the claim, but I don’t know if it’s public yet.

I agree that steam should enforce STEAM CODE sales to be the same price, but this is just a download of the game. I hope steam just fucked yo here and misunderstood; otherwise, it’s completely anticompetitive and is illegal based on the contract the developer signed from valve.