iTunes 9.2.1 (64-bit)
- 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