UWP most likely won't fly in the game consumer and developer communities but Microsoft seems to be determined with it. I really hope it doesn't.
I really hope it does, it would be awesome to have game engine developed my Microsoft, first because that would mean very good documentation and secondly the api would consist of only Win32, and direct X in C++ flavor.
A recent article is summarizing that Microsoft is lowering its attention with UWP apps, meaning that Win32 apps are going to (continue) to be the future.
PCWORLD: Microsoft shovels more dirt on UWP apps, leaving Win32 apps as the future once again
Epic CEO Tim Sweeney had bitterly complained that UWP enabled Microsoft’s “monopolization” of PC gaming, but technical limitations also meant that UWP versions of games were less powerful than their Win32 cousins.
MS once again shoots itself in the foot.
BTW, you should not use forum format tags with links, pasting them "raw" into your comment lets the forum software treat it as a live link.