Dota 2 - Valve
6.86f:

* Deafening Blast's knockback is no longer a hard disable (affected units can cast abilities and items)
* Deafening Blast's disarm portion rebalanced to keep same overall effectiveness as before (it previously applied disarm only after the knockback disable, numbers rescaled to keep same overall duration where they cannot attack)
Dota 2 - Valve
* Reduced time it takes to start up the game by a second
* Added a custom Poison Touch ability icon for the Darkclaw Emmisary set
Feb 18, 2016
Left 4 Dead - Valve
An update has been released for Left 4 Dead.

- Fixed an exploit that could allow remote code execution.
Feb 18, 2016
Left 4 Dead 2 - Valve
An update has been released for Left 4 Dead 2.

- Fixed an exploit where a player could call a vote that would pass immediately without input from the rest of the players.
- Fixed an issue where sounds could start looping on Linux.
- Fixed Steam Controller issues with spectating and MOTD.
- Fixed a bug that could cause some servers to hang on shutdown, causing a temporary reduction in total server capacity after updates.
- Fixed a remote code execution exploit.
- Upgrade OSX SDK version.
Dota 2 - Valve
* Updated the new Naga Siren set to only require one Infuser (affected users were granted back their extra Infuser)
Dota 2 - Valve
Winter Treasure IV & The Shanghai Major Compendium

- Reduced the amount of memory used by the game
- Fixed a rare bug where a game would not show up on the live DotaTV games list, which was caused by restarting a failed-to-load lobby within the DotaTV delay window
- Fixed various bugs with replays being unavailable until client was restarted
- Fixed coaches sometimes inadvertently wagering tokens
- Increase framerate and lower memory usage in the Armory
- Fixed the tournament match popup results sometimes having the hero picks swapped between teams
- Fixed a bug where changing wearables while in hero picker screen would cause the hero to stop animating
- Terrorblade items with appropriate detail masks are now affected by gem and arcana colors and textures
- Adding default ambient effects to Terrorblade weapons
- Added Savage Roar animations to Lone Druid Spirit Bears
- Fixed Timbersaw models to show custom Reactive Armor
- Various courier fixes (hitbox adjustments, "haste" run activity fixes, etc.)
- Jakiro and Ogre Magi voices now pan left and right
- Several ability sfx now become audible to enemies after they emerge from FoW. (like Illusory Orb, Stone Gaze, Ghost Ship, etc)
- Fixed a bug with Glimpse sound that could cause it to be really loud
- Disable Help now prevents Io's Relocate and not Tether
- All player-controlled units (instead of only heroes) now respect Fog of War limitations when pathfinding
- Adjusted the pathfinder to limit excessive backtracking
- Quit confirmation popups no longer stack
- Clinkz's Skeleton Walk and Tusk's Walrus Punch effects no longer play at the caster's last known position when they are in fog of war
- Fixed Arc Warden's Tempest Double health cost being damage rather than a proper hp cost
- Fixed minimap jumping back to the left side of the screen if you change resolutions with minimap set to the right side of the screen

Workshop Tools
- Added support for editing more types of attachment points when submitting items
- Added the ability to set the fog depth on water materials
- Fixed bug where overlays did not work correctly on scaled models
- Enabled workshop default ambient effects model for Terrorblade's weapon
- Made map compile respect smoothing angle and edge hardness between tiles

New Heroes on the Dota Workshop
- Arc Warden
- Shadow Fiend
- Winter Wyvern
- Zeus
- Undying

Workshop Hero Files Updated to Source 2
- Broodmother and Spiderling
- Lina
- Omniknight
- Pugna and Nether Ward
- Sniper

Ability Items Added to the Workshop
- Terrorblade Demon
- Clockwerk Cog

New and Updated Workshop Reference Files can be downloaded at http://www.dota2.com/workshop/requirements
Dota 2 - Valve
Winter Treasure III Released: http://blog.dota2.com/2016/02/winter-treasure-iii/

- Fixed the Fog of War culling radius on some item-granted teleport effects to match the default effect size.
- Fixed an occasional crash on Mac OS X when certain keys were pressed.
- Spectre's Spectral Dagger no longer procs Lotus Orb during secondary collisions.
- Fixed a rare crash when popping up an inventory item tooltip.
Dota 2 - Valve
* Fixed a bug with some Dragon forms for Dragon Knight where selection boxes were sometimes incorrect
* Fixed a bug where copy/paste would not work correctly in chat if text was selected from right to left.
* Fixed achievement for tipping 10 times not granting the reward (we retroactively granted the reward to everyone who completed it so far).

6.86e:
* Savage Roar cooldown increased from 28/24/20/16 to 38/32/26/20
* Earth Spirit's Scepter Enchant Remnant cast range reduced from 600 to 125
Counter-Strike: Source - Valve
A mandatory update for Counter-Strike: Source, Day of Defeat: Source, Half-Life Deathmatch: Source, Half-Life 2: Deathmatch, as well as the Source SDK Base 2013 beta branch has been made available. The patch notes are below.

  • Fixed a security issue related to the file system (thanks to Simon Pinfold for this report)

  • Fixed mp3 sounds causing occasional hitching and framerate stuttering

  • Fixed OS X players being limited to medium texture quality

  • Fixed maps compiled with static prop lighting causing crashes for players on medium or low texture quality

  • [SDK] Fixed steam.inf not being loaded from the base directory for SDK mods

  • [CS:S] Fixed server crash when running with 64 players plus SourceTV


The following fixes were already included in the previous update for Half-Life 2: Deathmatch:
  • Fixed ent_teleport causing a crash when issued by the server

  • Fixed buildcubemaps command not working for maps that already have cubemaps embedded

  • Fixed -buildcubemaps command line option generating black non-HDR cubemaps

Dota 2 - Valve
* Fixed a bug where in-game chat would sometimes display the incorrect hero on a chat line
* Fixed bug where home screen panels could overlap
* Fixed the Winter Battle Pass emoticons not appearing in-game
...