Apple today released iTunes 10.5.2, an update bringing improvements to iTunes Match and fixes an audio distortion problem when playing or importing certain CDs.

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.

The download is currently available via Apple's downloads page and the dedicated iTunes download page. It should begin rolling out to Software Update shortly. The full download weighs in at 102 MB for Mac, 66.13 MB for 32-bit Windows, and 68.01 MB for 64-bit Windows.

Thunderbolt Display firmware

Released alongside the iTunes update is a new version of the Thunderbolt Display's firmware, bringing it up to version 1.1.

According to Apple, the update addresses fan noise issues some users have been experiencing as well as overall stability improvements.

The updater application will be installed in the Utilities folder inside the Application folder and will be launched automatically when you close this installer.

The download comes in at 942 KB and requires either Mac OS X 10.6.8 or OS X Lion 10.7.2 or later.