February 22, 2011 Patch

Source: Team Fortress 2, Counter-Strike: Source, Day of Defeat: Source and Half-Life 2: Deathmatch Updates Released

Patch notes

Source Engine Changes (CS:S, DoD:S, TF2, HL2:DM)

• Fixed a server crash exploit caused by malformed network packets

Team Fortress 2

• Fixed the Amputator and the Crusader's Crossbow healing teammates that have the Equalizer as their active weapon
• Updated the Red team skin for the Fists of Steel

Undocumented changes

• Several particle effects, including unusual hats, teleporters, and Medi Gun beams, were updated. Others include Flamethrower Fire and Critical Rocket/Pipe/Stickies. These changes do not apply to ATi graphics card users and some others.
• Several UIs were updated, including the scoreboard, kill notifications, and the server browser.