At Microsoft’s big X018 event they announced that they have added two new studios their their first party studios group.
The first of which is InXile Entertainment who makes games such as The Bards Tale and the Wasteland franchise. They will continue to create RPG games on both Xbox and PC into the future.
The second studio is Obsidian Entertainment as rumors have been saying for awhile. They of course have made games like Pillars of Eternity.