Alien Swarm

Valve have released the first major update for their latest offering - including fixes for the dedicated server and a couple of exploits.

Swiped directly from Steam.

Quote:

Updates to Alien Swarm have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include: Alien Swarm Fixed weapon switch key in the 360 controller config XP and level are stored in the Steam Cloud Fixed duplicate rows in the "Find Public Games" screen Reduced screen shake when you have high ping Fixed dedicated server always starting in LAN mode Fixed custom item button binds not displaying properly on HUD Fixed full network updates causing duplicate client ragdolls to spawn Added console commands to change game access on the fly (make_game_public and make_game_friends_only) Fixed welding icon sometimes getting stuck above player's head Fixed HUD elements being cut off in ultra wide resolutions Removed cheat flag from a number of cosmetic console commands Now firing, meleeing, or reloading while welding will break you out of the weld Fixed spectators earning achievements Fixed infinite ammo exploit Fixed XP exploit

We are downloading and testing the dedicated server right now.