A couple of days back Wowza pushed out an update for Wowza Media Server. Currently at version 3.1, here are the changes and bug fixes made. I think the biggest item to note is that the nDVR feature has made it out of beta. Nice. Lots of stuff for Apple devices and good general improvements all around. Jumping from 3.0.5 to 3.1 is a big deal.
Head over here for the updated installer. Or just grab the update files from here if you are updating from 3.0.x