In the future, Windows 10 will also receive support for multi-GPU configurations, game mods, and display overlays, but no timeframe was given for these missing features.
[Phil] Spencer says the company will let UWP apps disable vsync and use FreeSync or G-Sync in the Anniversary Update. Spencer also promises more improvements for PC gamers in the future, including multi-GPU support, mods, and display overlays, although no timeframe was given for these changes.