Für STEAM sowie für TEAM FORTRESS 2 wurden entsprechende Update released, welche wie üblich automatisch per STEAM verteilt werden.
Die Updates beinhalten folgende Fixes:

Steam Client

• Added UI to disable Steam Cloud per-game and per-account.
• Added an icon in list view for uninstalled games that support cloud.
• Steam Cloud will now download files for installed games on logon.
• Fixed Steam Cloud sync failures that occurred because of deleted files.
• Improve text hit testing in chat windows.
• Make player names in chat windows clickable, taking you to that user’s profile.
• Fixed tabs in the settings dialog sometimes not drawing correctly.
• Fixed a regression that prevented steam from automatically validating and repairing damaged game caches on launch.
• Shortened the delay between launching steam and being offered offline mode in the case of no network connectivity.
• Fixes the label under the dropdown on the game properties updates page for non-cloud games.
• Shows the "cloud disabled" icon in list view for games with cloud disabled that are not installed.
• Fixes players paying mods showing up as “in-game” rather than “in-mod” in the friends window.
• Fixes the login button in the login dialog becoming enabled when the dialog is dragged after the button is pressed.
• Improves whitespace detection in chats.
• Fixes a confusing error message when attempting to back up to a directory that doesn't exist (it would tell you the disk doesn't have enough space).
• Fixes weirdness with radio buttons when pressing the 'back' key on the backup wizard.
• Fixes game manuals not opening in an external browser.
• [OSX] Makes player names in chat windows clickable
• [OSX] Fixed a class of bugs that could cause steam to hang while shutting down, especially if network settings had changed.
• [OSX] Fixes tooltip flickering.
• [OSX] Cmd+Left/Right now go to beginning/end of line.
• [OSX] Option+Left/Right now go to word boundaries.
• [OSX] Option+Enter now inserts a newline.
• [OSX] Fixes some Windows-specific wording about the notification tray in the preferences/settings window.
• [OSX] Prevents backing up files to the file system root.
• [OSX] Treats the return key the same as the enter key.

Team Fortress 2

Server Browser

• Server browser now starts centered onscreen when it opens up.
• Filter panel now starts expanded, instead of hidden.
• Added a warning dialog that pops up to warn players joining games with more than the recommended number of players.
• Added a "max player count" filter setting.
• Renamed quick list checkbox from "Show Map List" to "Simplified List".
  • Mouseover the checkbox now explains the simplified list in the status bar.
• Quicklist now shows the number of other servers running each map.
• Fixed a couple of bugs related to toggling the quick list, which were resulting in you needing to refresh again.

Team Fortress 2

• Added missing earbud particles for DX8 players.
• Added new ConVar mp_windifference_min to be used with mp_windifference.
• Added Engineer to the list of classes that can equip Max's Pistol.
• Rebuilt sound cache files that were out of date.
• Source TV:
  • Fixed unlockable items not being visible.
  • Stopped "player is carrying X" messages looping forever.
  • Fixed overhealed particle effect being visible on your current view target when in first-person spectator mode.
• Changed in-game button colors to be less eyepoppingly bright.
• Improved Steam Web APIs for TF2 items (see http://www.teamfortress.com/)

Engine

• Fixed some graphical issues when alt-tabbing during a game.
• Fixed bullet penetration problems with Linux dedicated server.
• Removed an exploit that allowed people to change their names to something other than their Steam profile name

Quelle: STEAMPOWERED.COM