A new major stable update is on its way and it will incorporate a lot of changes and fixes
Valve has released a new Beta version of its Steam for Linux client, bringing quite a few changes and improvements.When a development version garners sufficient changes, Valve promotes it to stable, and the work for the next beta starts almost immediately. A final version is incoming, but until then this is the most advanced version of the Steam client.
According to the changelog, the client is no longer showing “[unknown]” user names for players in the current game lobbys and a Big Picture language settings panel has been added.
Also, a bug that prevented the tray menu from not responding when transitioning out of Big Picture mode has been corrected on the Linux platform.
More details about this latest release can be found in the official announcement. Download the Steam for Linux installer from Softpedia. To enter the Beta program you will have to subscribe to it from inside the application.