Updates to the Source Engine have been released. The updates will be applied automatically when your Steam client is restarted. The specific changes include:
Source Engine
* Fixed custom level sound lists under sv_pure
* Fixed occasional scrunched-up columns in the serverbrowser
* Fixed various memory leaks
* Fixed a Half-Life 2: Deathmatch bug where a spectator could freeze a live player when mp_forcerespawn was 0
* Fixed master server queries being truncated if too many players with long names
* Fixed a Half-Life 2: Deathmatch bug where if you +used a weapon it would not respawn anymore
* Fixed a Counter-Strike: Source smoke grenade exploit
* Added a way for server plugins to ask players if they'd like to connect to a different server
* Made materials handle sv_pure correctly when they've included other materials
* Fixed Windows dedicated server bug slowing down Steam updates
* Fixed certain models showing up all white when sv_pure flushed them
* Made the server print a client's steam ID and show sv_pure warnings if sv_pure_kick_clients is 0
* Fixed a Linux-only crash when loading certain custom maps
* Fixed a bug preventing sv_pure CRCs from verifying correctly on certain custom maps