Kane & Lynch 2: Dog Days - Valve
An update for Kane & Lynch 2: Dog Days has been released. The update will be applied automatically when your Steam client is restarted. The major changes include:
  • Voice chat volume slider (frontend and in-game), which was previously unmutable.
  • Voice chat microphone enable/disable option (frontend and in-game). *Note: disabled by default!* This was done so that people without microphones but wrong (default) Steam settings don't send out feedback noise from their machines. People who actually have a microphone will have to re-enable this after the upgrade.
  • Fixes in sound to hopefully prevent crashes on startup regarding OpenAL
  • Fixes in lobby behavior to prevent players from crashing

Puzzle Dimension - Valve
An update for Puzzle Dimension Mac has been released. The update will be applied automatically when your Steam client is restarted. The major changes include:
  • Work around for incorrect application startup parameters.
  • Fixed input related problems when having multiple keyboards attached.
Counter-Strike: Source - Valve
Updates to Team Fortress 2, Counter-Strike: Source and Day of Defeat: Source have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Source Engine Changes (CS:S, DoD:S, TF2)
  • Disabled signature checking to determine if it's the source of some reported launch issues
Counter-Strike: Source - Valve
Updates to Counter-Strike: Source have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Counter-Strike: Source
  • Fixed a crash that could occur if a player disconnected shortly after attacking a bot
PuzzleQuest: Challenge of the Warlords - Valve
Being fans of all things Puzzle Quest, we've just turned on support for Steam Cloud to it and its cousins. This means you'll be able to continue your quest from any machine when launching the Steam version of the following games:

Puzzle Quest 2
Puzzle Quest: Challenge of the Warlords
Puzzle Quest: Galactrix
Puzzle Kingdoms
Puzzle Chronicles

And don't forget that Puzzle Quest 2 is currently 33% off on Steam! If you already own the game, feel free to purchase multiple copies for your friends.
Stargate Resistance - Valve
Patch notes 1.1.14.7
    Newness:
  • All maps have had their spawn doors tweaked for better performance.
  • Improved quick join functionality after a match has ended.
    Characters:
  • Jumping now requires 30% of your maximum stamina and will only occur if you have enough stamina to perform a jump.
    Earth:
  • The event horizon's aura will now trigger claymores to explode the moment they are armed. Be warned commandos, this might hurt a bit.
  • Interactables are now worth 2 points on Team Death Match and are worth 1 point during Conquest.
    Galactic Domination:
  • We are excited to announce new and improved Galactic Domination bonuses!
  • The winning faction will now get a boost to their experience earned up to 30%.
  • Losing on Amarna grants your faction a damage boost up to 30%.
  • Losing on Earth grants your faction a defense boost up to 30%.
  • Losing on Piramess grants your faction a energy regen boost up to 30%.
  • Losing on Leonops grants your faction a health boost up to 30%.
    Leonops:
  • The ring transporters have been tweaked and can now fit as many people as you can fit inside of them. Go ahead, we dare you.
    Weapons:
  • Splash damage radii have all been increased.
  • Splash damage will now deal damage to players even when airborne
  • The collision on the scientist beacons have been adjusted to be the same radii as the turrets they spawn.
    Bug Fixes:
  • Spawn doors will no longer stay closed for players at match start who are trying to rush them.
  • Users clicking any of the logout options are now properly removed from the sever count once they logout.
  • Winning KotH as the System Lords will now display in the proper text colors.
  • The Jaffa standard and Anubis armor have had LOD changes to correct a texture issue.
    Amarna:
  • A librarian has been dispatched to hush those loud noises on Amarna-Temple.
  • The windows near the spawn rooms have been re-aligned.
  • The invisible ledges in the center room pillars should no longer exist.
  • Improved movement flow in a few of the locations players might get stuck or hover in.
  • The particle effects for KotH on Amarna should now all match and be only the divided ring and superman symbol in the sky.
    Console Commands:
  • The console command "toggleui" has been disabled. (This has also disabled the f10 hotkey)
  • Players can no longer utilize the "serverlistchange" command.
  • The "StartAltFire" command had been disabled to prevent negative effects.
  • Some bad log messages have been removed from the console.
    Earth:
  • The white board's gravity flux capacitor has been fixed! The panels will no longer rave about in the meeting room.
    Leonops:
  • The forcefields should allow for multiple users to pass through simultaneously now.
  • Turrets should no longer be able to shoot into the spawn rooms and will most likely explode if they get too close to the forcefields.
  • Loud noises coming from the water on Leonops have also been warned to keep it down!
    Piramess:
  • The spawn door nearest the flags has been raised to prevent Jaffa and their big heads from getting stuck.
  • Blocking volumes have been added to prevent players from getting to locations not zoned for gameplay.
  • Jumping into the pit on Piramess will incur death no matter who, what, when, where or why.
  • Lighting on whiteout has been adjusted to prevent blinding players near light sources.
    Weapons:
  • Failing to place a beacon will no longer trigger a cooldown.
  • Rapidly firing weapons after a reload will no longer put you back into a reload state.
  • Killing a turret will now award 1/2 the normal kill value in team and personal score.
  • Turrets and beacons will now die from entering kill volumes depending on who the owner of the turret is.
Metro 2033 - Valve
The ‘Ranger Pack’ DLC for Metro 2033 is now available to download. The Ranger Pack adds new weapons, nine new Steam Achievements and the deadly ‘Ranger Mode’ game rules.

In standard Ranger Mode, ammo is dramatically reduced and all weapons and attacks cause more damage. Your foes are deadlier than ever – but then, so are you...

‘Ranger Hardcore’ adds an additional challenge as the HUD is totally removed, creating the most immersive Metro 2033 experience yet.

Rise to the challenge with two new weapons – the Heavy Automatic Shotgun, and the Volt Driver, Miller’s signature gun.

The Ranger Pack is offered as a free download to all Steam users.

The Settlers 7: Conquest - The Empire Expansion DLC - Valve
DLC Pack 2 for the Settlers 7: Paths to a Kingdom, is now available for purchase.

The new Settlers 7 DLC Pack 2 gives the Settlers a new dimension to experience with 3 new multiplayer maps and new challenges.

Gratuitous Space Battles - Valve
An update for Gratuitous Space Battles has been released. The update will be applied automatically when your Steam client is restarted. The major changes include:

Version 1.47
  • Usability: The battle sounds now work much better in cases where they overload from playing too many identical sounds at once.
  • Usability: Added a new tutorial hint to point out the range overlay in the battle screen.
  • Bug Fix: The supply limits window on the choose battle screen now sizes to show all limits correctly.
  • Bug Fix: When creating a custom challenge, the 'challenge' button is not correctly disabled until some ships have been deployed.
  • Bug Fix: Improved code to prevent 'stacking' of ships on the deployment screen (works more reliably now).
  • Usability: New feature, there are now short strips under each icon on the deployment screen to show the name of the ship to aid selection.
  • Mod Support: Added new 'num_submunitions' (limit 6) and 'flaresize' (default 16) to missile data for modders.
  • Mod Support: Found the bug that prevented modded ships from being larger than 256. No known limit now.
  • Usability: The game now checks that any challenge you are about to fight has not been removed from the database, so you are prevented from running corrupt and deleted challenges.
  • Usability: The buttons that filter ships by size on the deployment screen now remember their settings.
  • Bug Fix: Limpet launchers now record shots fired and hit like other weapons.
  • Bug Fix: Usernames that are too long to display now get sensibly cropped in challenge list.
Product Update - Valve
An update for Sacraboar has been released. The update will be applied automatically when your Steam client is restarted. The major changes include:
  • 10 new Bonus missions
  • 51 achievments
  • Cloud support
  • Multi-Monitor support
...