Apple has released iTunes 10.5.2 to the public alongside an update to its iTunes Match service. The newversion of iTunes only deals with audio distortion issues when playing or importing certain CDs. Apple has remained vague about the specific improvements that have been made to iTunes Match.
Here are the notes:
What’s new in 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.
For information on the security content of this update, please visit:support.apple.com/kb/HT1222