Updates to Team Fortress 2, Day of Defeat: Source and Half-Life 2: Deathmatch have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:
Source Engine Changes (TF2, DoD:S, HL2:DM)

• Fixed a bug where rejected players could leave a "ghost" player that takes up a slot on the server browser

Team Fortress 2

• Fixed tf_mm_strict to work as documented