March 10, 2011 Patch

From TF2 Wiki

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

• Added check to prevent multiplayer servers from transmitting 1 as their maxplayers value to connecting clients
• Fixed clients being able to use particle exploits on sv_pure servers

Team Fortress 2

• Added The Shogun Pack items
• Fixed the "Best Little Slaughterhouse in Texas" Engineer achievement not counting Wrangler and Mini-Sentry kills
• Updated several more models with optimizations and new LODs
• Updated the Blighted Beak with a creator submitted fix

Undocumented changes

• Added the Koto Noise Maker and (unused) Yell Noise Maker.