GameMaker Studio 2 now supports Windows UWP export which means developers can easily publish to the Creators Collection section of the Microsoft Store on Xbox.
Creators Collection evokes memories of XBLIG on the 360. It's great that anyone can publish but eventually such storefronts devolve into chaos.
Source: https://www.yoyogames.com/blog/447/ship-to-xbox-one-with-gamemaker-studio-2-uwp