In addition to the release of iOS 5.1 beta 2, Apple also released iTunes 10.5.2 with iTunes Match updates and fixes for an audio distortion issue experienced by customers on select CD’s that they attempted to scan.
Apple is keeping on top of issues reported by customers and is very efficient with addressing the problems as soon as possible. Apple is cranking out software updates now for the Apple TV, iPhone, iPad, and iPod touch, as well as Safari updates and numerous others for the Mac.
About iTunes 10.5.2
iTunes 10.5.2 includes several improvements for iTunes Match and fixes an audio distortion problem when playing or importing certain CDs.