Addresses performance issues, adds stability improvements.
Apple has updated the iTunes to v9.2.1 that addresses a few performance and syncing issues along with some added stability.
- Disables older version of come 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 ipad touch with encrypted back-ups
-Addresses other issues that improve stability and performance
You can get the update from here or let is auto-update itself.