Updates for Counter-Strike: Source, Day of Defeat: Source, Half-Life Deathmatch: Source, Half-Life 2: Deathmatch, and the Source SDK 2013 Base have been released. The updates will be applied automatically when you restart the game. The major changes include:

-Fixed physics not operating at the correct tickrate when specifying non-standard -tickrate options on the command line
-Fixed viewing demos recorded at a non-standard tickrate causing the next listen server hosted to be at that tickrate... [read more]

http://www.youtube.com/watch?v=5H2rL-lBxRs

Courtesy of Nathan Andrews on YouTube:

Video created by: Nathan Andrews
Edited by: Andrea Andrews

I've added full head tracking and weapon tracking to Half-Life 2 in preparation for the Oculus Rift dev kit launch. Once the official rift apis are available I'll integrate them, giving people ~70 hours of content (this also works for episode 1 & 2, the lost coast and tons of user generated maps, etc) that they can use to test out their Rift.

This video shows a handful of scenes of me ... [read more]

Source Engine Changes (CS:S, DoD:S, TF2, HL2:DM)
Fixed a client crash during demo playback
Fixed a SourceTV crash
Dedicated servers can now have both SourceTV and Replay enabled at once
"replay [config file]" and "+tv_enable 1" should be used to launch the server

Team Fortress 2
Added TF birthday replacement models for health kits and ammo packs
Added TF birthday Party Hat and Noisemaker
Fixed The Short Circuit attacking friendly projectiles
Fixed The Sho... [read more]

Source Engine Changes (CS:S, DoD:S, TF2, HL2:DM)
Added libgcc_s.so.1 to supply dependency for some Linux distributions that do not come with this file

Team Fortress 2
Added the Deus Ex promo items
Added a bell when the Sniper Rifle is fully charged
Toggled in the Adv. Options dialog
Fixed disguised Spies showing their critboost status
Fixed a replay render bug where .wav files did not get written for raw TGA/WAV export
Updated the localization files
Get the full article at store.steampowere... [read more]

Updates to Team Fortress 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Team Fortress 2
Renamed The Tamrielic Relic to The Dragonborn Helmet
Updated The Original, The Dragonborn Helmet, The Anger, The Pip-Boy, and The Wingstick so they can be purchased/crafted/traded/found
Updated the gamehaptics file
Added draw/recoil/reload/crit forces for The Original
Updated the localization files
Get the full article at store... [read more]

Updates to Team Fortress 2 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, HL2:DM)
Added a check to prevent kicking Replay and SourceTV clients from servers

Team Fortress 2
Added new items for upcoming promotions
Fixed a case where health overheal wasn't being applied when multiple healers were involved
Fixed the new Gravelpit backgrounds using the wrong filename
Updated the M... [read more]

Updates to Team Fortress 2 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, HL2:DM)
Fix a crash bug during changelevel when the Steam client is unable to init
Reduced the frequency of diagnostic messages for out-of-range positions and velocities

Team Fortress 2
Added the Red Orchestra 2 promo items
Fix a crash bug related to the Righteous Bison
Fix a bug where the increased_max... [read more]

Updates to Team Fortress 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Team Fortress 2
Added From Dust promotional content.
Fixed a problem with the application of team-colored paints.
Fixed Mac-only replay editor crash.
“Meet the Medic” startup music added.
Definitely did not add cheats for upcoming Free-2-Play Invitational Cup.
Get the full article at store.steampowered.com

Updates to Team Fortress 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Team Fortress 2
Fixed a damage calculation in the Mantreads on Linux server, which could cause a physics crash
Get the full article at store.steampowered.com

Updates to Team Fortress 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Team Fortress 2
Fixed a Mac client crash triggered after selecting a team
Fixed a couple of replay issues
Updated the localization files
Get the full article at store.steampowered.com