Valve: Introducing SteamOS "brewmaster"

Valve has announced the first preview release of its forthcomingSteamOS update. The new release is based on Debian 8.1 with long-termsupport kernel 3.18; there aredownloadable builds linked to in the announcement for both UEFI andlegacy BIOS systems. There appear to be few user-visible differencesbetween the new release and the current SteamOS so far,though; the announcement notes: "Although there are a lot ofchanges under the covers, the overall functionality and experience ofbrewmaster is the same as alchemist."