This latest Beta update to the client brings a few interesting changes
Valve has launched a new Beta version for its Steam for Linux client, fixing a few problems that had been left hanging from the previous update.When a development version garners sufficient changes, Valve promotes it to stable, and the work for the next beta starts almost immediately.
Highlights of the latest Steam for Linux update:
• When enabling SteamGuard, the application only enforces minimum length on the machine name, if the user changes it from the default;
• Bad check box images have been corrected in the HTML control under the Linux platform.
More details about this latest release can be found in the official announcement.
Download the Steam for Linux installer from Softpedia. Keep in mind that this is the Beta version of Steam and some bugs might still exist.