Not a new release, but a sale on arctic scenery that the EU X-Plane pilots participating in the Christmas challenge will want to know about: Official 5th Annual Mudspike Christmas Flight - discussion thread - #101 by Freak
This is probably also the thread in which I should confess that I bought it immediately when I saw it was on sale, even though I still have more than a hundred GB of ortho tiles that I haven’t even flown over once.