Ubisoft's catalogue of incoming triple-A titles is back on Steam, at least they are in North America. When you try and access Assassin's Creed or The Crew from a location in the UK you're hit with this message: "This item is currently unavailable in your region." So still no Unity or Far Cry if you're based in this part of the world.
Ubisoft removed their games from Steam yesterday, prompting speculation over a potential rift with Valve, or a move by the French publisher trying to strengthen their own platform, Uplay.
With the games heading back onto Steam in the U.S. (we're taking American site Polygon's word for it) it seems that Valve and Ubisoft are at least negotiating terms, and thus we're expecting to see the games appear on the UK store in the near future.