A new Steam Client update has been released and will be automatically downloaded. Changes include:

All platforms
- Sorted download regions in the Settings page for Content & Downloads.
- Added "Send Message" to context menu for offline friends
- Fixed appearance of non-English text in the auto-update window

Windows
- Improved network performance of the overlay web browser
- Fixed some games which got stuck in "Performing first time setup"
- Fixed a potential crash related to font selection for non-English text

Mac
- Improved behavior of Steam windows across multiple Spaces
- Fixed popup menu visibility problems caused by popular third-party utilities
- Fixed an app shutdown crash that could occur on logout or system reboot
- Fixed a crash when quitting before the main window appears
- Fixed Cmd-W and other hotkeys when a notification popup is visible

Linux
- Added a --reset command line option to reinstall Steam files without touching installed games

Changes:
- Fixed texture corruption when using the Game Overlay in OpenGL games
- Fixed failing to do HTTP downloads from hosts that started with a numeral
- Linux - Added X window manager name to system info dialog

Features
- Added support for Linux
- Offline messaging: You can now send messages to users who are offline. They will receive the message when they next log in
- Opening a chat dialog with a friend will show some recent chat history
- A web chat interface is available, you can find it by navigating to the Steam Community Friend Activity page in your web browser
- Added a caps lock warning indicator to the login dialog password textbox
- Added support for better content sharing between games
- Improved performance and responsiveness of client UI
- Improved startup time for users with large screenshot folders
- Prevent users from selecting an invalid screenshots folder
- Suspend all downloads automatically when a game is launched
- Added third party Mod support for games on new content system
- Big Picture: Users can now add wallet funds and authorize microtransactions
- Big Picture: In-game overlay now moves back on ESC when appropriate rather than closing directly
- Added the date that SteamGuard was enabled in the settings dialog
- Improved handling of international characters

Fixes
- Fixed several issues with scroll bars in the store and community views
- Fixed forum links opening in external browser windows
- Reduced retail install time when reading from optical disc on Windows XP/Vista
- Removed "/me" chat command, which allowed some users to modify the color of their chat text
- Fixed crash on startup caused by corrupt ClientRegistry.blob file
- Fixed a top crash related to video streaming
- Fixed an issue with cascading menu items
- Fixed issue where some game installers cannot write to the registry
- Fixed screenshots sometimes not showing up in screenshot manager when copied from another Steam installation
- Big Picture: Fixed left/right navigation of game related sections in the in-game overlay
- Big Picture: Fixed default font used by the in-game overlay
- Fixed launching 64-bit games and applications
- When a friend's status changes multiple times consecutively, only the last change will be shown (ie "Friend is now Online", "Friend is now Away" messages)
- Fixed Windows error message "Disk not ready" in game install wizard
- Made the preview image for guides smaller in the overlay
- Caching guide preview images when viewed in the overlay
- Added Ctrl+A select-all for system info text

Mac
- Greatly reduced CPU usage and power consumption
- Fixed command-W and other keyboard shortcuts
- Fixed bugs with window management and the Window menu
- Fixed leaks which caused memory usage to increase over time
- Added partial support for Retina displays
- Fixed bug with tooltips showing through Windows
- Notification popups now respond on the first click
- Web page views no longer freeze up after clicking and dragging the mouse
- Clicking the dock icon now brings all Steam windows to the front

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