Core Insights - Microsoft has announced the rollout of significant features for the Xbox app on PC, which were previously in Insider testing [1] - The main highlight of this update is the game library aggregation feature, allowing users to consolidate installed games into the Xbox app for easier access [1] - The app now supports games from various platforms including Game Pass, Steam, Epic Games Store, Battle.net, and GOG, enabling users to launch games without multiple launchers [1]