A new Steam client has been released and is being automatically downloaded. Changes since the last major release include the following:
Fixed a rare crash during login for some users
Improved performance of local file validation, particularly for traditional (non-SSD) drives
Improved error text when trying to install games to an alternate library location on an incompatible filesystem
Fixed some incorrect UI elements when viewing episodic video content or special features
Improved AMD hardware encoding performance for GPU intensive games
Fixed bitrate issue when using AMD hardware encoding
Fixed black screen issue when streaming Duelyst and They Bleed Pixels
Added Radial Menu Mode for touchpads and joysticks which allows up to 20 menu slots plus center and click bindings.
Added configuration for Steam Big Picture UI. Like other configurations, this can be saved and shared with the community.
Added configuration for Steam-button chording. These bindings are activated by holding the Steam Button in combination with other input, and are globally available on the desktop, in the Steam UI, or in games.
Added new bindable actions for Steam Music, screen magnification, and power options
Added more than 200 new icons for use in Touch and Radial menus
Added "Always Send" input style to Radial Menu and Touch Menu, which outputs the selected item immediately upon highlighting. This can be used to navigate lists or even bind 8-way movement.
Fixed bugs related to updating native configuration support in existing games
Fixed crashes and configuration errors reported by users
Fixed cases where bad wireless connections could cause controllers to appear unregistered
Fixed several reported issues with the On Screen Keyboard