Counter-Strike: Source Update Released
Product Update - Valve
An update to Counter-Strike: Source has been released. The update will be applied automatically when you restart Counter-Strike: Source. The major changes include:

Fixed a client crash related to dynamic model loading
Fixed dedicated server not receiving restart requests when updates are released
Fixed IP bans not applying to RCON access
Fixed server crash exploit related to audio buffer overruns
Fixed server crash caused by using changelevel2
Updated console logging system to minimize opening and closing of files, greatly improving performance under certain conditions
Additional improvements for client/server stability
Fixed a problem that allowed malicious clients to disable the "ping" and "status" commands for other connected clients
Fatal engine errors are now written to the server log file
Added sv_lowedict_threshold and sv_lowedict_action which allow the engine to take action before running out of free edicts
Possible values for sv_lowedict_action are: 0 - no action, 1 - warn to log file, 2 - attempt to restart the game, if applicable, 3 - restart the map, 4 - go to the next map in the map cycle
Added changelevel_next server command which changes to the next map in the map cycle
Added mp_restartgame_immediate ConVar which has the same effect as mp_restartgame without a delay