Counter-Strike: Global Offensive Patch 30 March 2012

The update will be applied automatically when your Steam client is restarted
Valve has announced that a new beta patch for Counter-Strike: Global Offensive (CS: GO) has been released on Steam. It increases armor penetration of HE Grenades and fixes an issue which would cause the radio command menu to appear inappropriately. Also, mp_c4timer and fps_max convars are now exposed.