NewsTF2: the big update is here CptDobey - 2008/06/20 9:05 a.m.
Valve just will released soon a new TF2 big update. It includes 35 new achievements for the Pyro which will unlock three new weapons.
But there ie more! It also contains two (ex) custom maps: cp_fastlane and ctp_turbine.
(source)