Any mention of Steam in an official Xbox UI update mockup should raise eyebrows even if it was unintentionally published. Microsoft has spent the last decade slowly bringing more of its titles not ...

That includes titles on both Steam and Epic Games. Microsoft inadvertently included a mockup of this user interface as part of an official blog post titled GDC 2025: Opening a Billion Doors with Xbox.

You can upload screenshots and user interfaces ranging from a simple wireframe to high-fidelity mockup, with developers ... accelerating your UI development workflow. Gemini’s visual analysis ...

The same UI, with the Steam mention, is also shown on the tablet and handheld versions. While the image appears to be a mockup, with owned games listed twice as well as action-adventure titles ...

The image looks to be an internal mock-up and not a finalized design (the "console" UI is just a bigger version of the mobile UI, and the "action-adventure" genre is listed twice). Sources have ...