Valve have updated the Steam client beta's in-home streaming functionality to support "streaming non-Steam games in the Steam library". That means, whether they're part of Steam or not, you'll be able to beam your most powerful games between local area network PCs. Even Minesweeper.
In-home streaming was first introduced as an invite-only beta last week. As of this update, those in the trial will be able to use Steam's native "Add a Non-Steam Game" option to give any other game Steam streaming functionality. In fact, this could technically be used to play any game on any platform, with Steam bridging the gap from Windows to Linux or Mac computers.
This theoretically allows users to wirelessly stream non-Steam titles such as SimCity, Hearthstone, World of Warcraft, and even League of Legends by simply adding them to their Steam libraries as non-Steam games. This also provides users with a method of accessing any game title on any PC platform, regardless of DRM or OS restrictions. For example, any Windows only game can now be used on Mac or Linux, etc.
The changelog also pointed out Ukrainian language support for the Steam client, some general bug fixes, a handful of usability improvements to In-Home Streaming, and some stability and visual improvements to Steam’s VR mode.
All of which relies on the in-home streaming functionality being stable and reliable. We've not had a chance to test it ourselves yet, but videos that have surfaced suggest that yes, it is still very much a beta.
