I have had quite a few reports from users that the DoggCatcher progress bar no longer works when playing audio with the CM nightly builds. I was able to reproduce this with a CM nightly build. I'm going to see if there's a way for me to work around this but I'm not sure if I can yet.
In the mean time, if we could narrow down the exact CM nightly build that was the first to be broken, I'm sure that would help out the CM guys.