A new version of AdminMod has been released, this time it's version 2.50.09. See the previous post to grab a new version of HLDS to be totally up-to-date. What's new?
This version is a MUST for ALL server ops, it fixes a serious security issue with the visibility of passwords to other players. UPDATE NOW!AdminMod has a nice map vote feature.
It should also fix the being dropped at match change problem, some scripting issues and adds some anti cheat options. Check the UPDATE_INFO.txt file in the Admin Mod zip file for details.