Changes:
- Added list of favorite and popular Guides to overlay
- Fixed layout of installation wizard when installing multiple apps.
- Fixed rare occurrence of prompting a user to accept the same Steam Subscriber Agreements multiple times.
- Fixed stopping game installation when pressing cancel button in installation wizard
- Disabled trade menu item in multi-user chats
- Fixed retail disc install error "missing app configuration"
- Big Picture: Added support for notifying the user when logging into an account that has already logged in on another machine
- Big Picture: Fixed bug where chat notifications might not be displayed when in game.
- Big Picture: Fixed possibly displaying multiple countdown timers in the store
- Big Picture: Fixed loading animations disappearing before loading was complete
- Big Picture: Fixed crash when entering Big Picture mode while in a voice chat
- Big Picture: Fixed potentially losing input focus while searching the store
- Big Picture: Fixed size of main menu UI sometimes being incorrect when navigating backward in the store
- Big Picture: Added displaying a list of all DLC for an application in the store
- Big Picture: Fixed copied text range sometimes being incorrect if you selected the text to copy in a backwards direction via the mouse
- Big Picture: Support closing URL open dialog in friends chats with cancel hotkey/button
- Big Picture: Fix favorite counts not updating in all games view when you add/remove favorites prior to next restart
- Big Picture: Fix pending friend invites showing up as background of community rather than actual friends
- Big Picture: Improve perf loading community tab background/friends list
- Big Picture: Fix rendering issue with some panels with rounded corners and box shadows with –fulldesktopres command line param
- Big Picture: When in the main Steam view (not in-game overlay) support clicking notification toasts to activate
- Big Picture: Fix footer in main Steam window being disabled while a game is running even if you alt-tab back out to Steam
- Big Picture: Fixed missing string in delete local content confirmation for applications
- Big Picture: Fixed friend and group chats scrolling to bottom on new message even when you are actively trying to scroll the chat yourself
- Big Picture: Fixed mouse wheel scrolling of carousels sometimes getting stuck on leftmost panel
- Big Picture: Added list of favorite and popular Guides to library and overlay

- Fix HUD on min-spec graphics cards
- Fix bloating scenario properties XML

Changes:
- (Big Picture) Improved back behavior throughout the UI
- (Big Picture) Improved movie streaming and loading UI
- (Big Picture) Fixed navigating to DLC and guides in the library
- (Big Picture) Fixed movie playback intermittently failing when quickly navigating Trailer TV
- (Big Picture) Changed store search to search for partial application names
- (Big Picture) Added discount timers and other UI to store
- (Linux) Fixed excessive Steam cpu use when running Team Fortress 2
- (Linux) Fixed overlay crash when starting Cubemen

Changes:
- Added Language support for the Daisy Wheel control under Mac OS X
- Changed Big Picture hotkey to Command+'/' under Mac OS X
- Delete old temporary folders created by CEF left around due to previous crashes
- Fixed Back behavior in several pieces of the UI
- Fixed Big Picture displaying only a blank screen after startup if the intro movie was cancelled quickly
- Friends sounds are now muted when running Big Picture and you choose mute in the audio settings
- Fixed URLs in the Web Browser showing the end, not the start, of the current URL
- Fixed Big Picture login screen not using your chosen UI language
- Fixed activation fail sounds playing when clicking on some areas of a html page
- Fixed password field in login UI not drawing entered characters properly under Mac OS X
- Fixed right stick zoom in the html control jumping on zoom commit
- Fixed scroll bars on HTML pages not updating when dragged via the mouse
- Fixed some friends list font clipping due to small line heights
- Removed default bind for Big Picture text console as it is no longer needed
- Fixed crash on exit when doing a forced shutdown of the client

Changes:
- Added Big Picture mode which is optimized for using Steam fullscreen with a Gamepad on HDTVs
- Games managed by the new content system can select alternate installation locations other than the Steam folder (Windows)
- Fixed the in-game overlay not recognizing correctly which game is running sometimes when running a non-Steam shortcut
- Fixed some potential GDI handle leaks in the Steam client (Windows)
- Fixed Steam Cloud occasionally not syncing files it should
- Fixed a bug where entering a password-protected content beta without a password would act like it succeeded even though it hand’t
- Improved TGA validation in image loading code
- Improved steam:// URL validation in some cases
- Fixed a new in-game overlay crash in very specific scenarios on Windows 8 with legacy DX9 games
- Fixed problems uppercasing some characters (e.g. Greek terminal sigma)
- Fixed error retrieving third party cd keys when launching games on OS X (OSX)
- Fix the in-game overlay to correctly inject when a launcher calls ShellExecute with an empty string for the verb (Windows, fixes SWTOR)
- Improvements to the change email wizard

A Steam client update is now available. To apply the update, click the Steam menu inside of Steam and then select "Check for Steam Client Updates...". The specific changes include:

- Fixed installing DLC in some cases (eg Sims3)

A Steam client update is now available. To apply the update, click the Steam menu inside of Steam and then select "Check for Steam Client Updates...". The specific changes include:

- Fixed FRIENDS tab incorrectly showing in client
- Fixes for upcoming apps release

Client notes:

• Added Game Hubs
  
• Added global Steam Discussions area, accessible in the Community sub-navigation
  
• Updated visual look of user group pages
  
• Added discussions to user groups
  
• Added new Moderator level to user groups
  
• Updated user screenshots, videos, and personal Workshop pages
  
• Updated visual look of the blotter and renamed it to “Friend Activity”
  
• Added "My Activity" in-line with "Friend Activity"
  
• Added ability to post a status update and tag it with a game
  
• Added "Share on Steam" option for screenshots, videos, and Workshop items detail pages that will post a preview as a status update in “Friend Activity”
  
• Pasting YouTube™ links into your status update will show a preview of the video and clicking on it will play the video.
  
• Added ability to rate up status updates, screenshots, and videos
  
• Added display of which friends most recently rated up status posts, screenshots, and other items in the friend activity feed
  
• Added BBCode support to descriptions for screenshots, videos, and Workshop items
  
• Re-organized the Community sub-navigation to include: Friends, Profile, Game Hubs, Discussions, Workshop, and Greenlight
  

A Steam client update is now available. To apply the update, click the Steam menu inside of Steam and then select "Check for Steam Client Updates...". The specific changes include:

- Fixed the retail Counter-Strike: Global Offensive disc not installing files

A Steam client update is now available. To apply the update, click the Steam menu inside of Steam and then select "Check for Steam Client Updates...". The specific changes include:

- Fixed retail install failing in some cases if user needed to accept new SSA
- Fixed joining password protected content betas in some cases