Late Tuesday, Apple released iTunes 9.2.1, the latest version of its multimedia/jukebox application for Mac OS X. The new version, a 102 megabyte download, offers the following fixes and changes:

- Disables older versions of some incompatible third-party plug-ins.

- Addresses minor issues with dragging and dropping items.

- Addresses a performance issue when first syncing to some devices with iTunes 9.2.

- Addresses an issue upgrading to iOS 4 on an iPhone or iPod touch with encrypted back-ups.

- Addresses other issues that improve stability and performance.

iTunes 9.2.1 is available via Mac OS X’s Software Update feature and requires Mac OS X 10.4 or later to install and run.