iTunes 10.6.3 (64-bit)

* Addresses a problem where iTunes may become unresponsive when syncing an iPad (1st generation) that contains an iBooks textbook
* Fixes a problem where photos synced to a device may appear in an unexpected order
* Resolves an issue where iTunes may unexpectedly delete playlists created on a device
* Fixes issues where iTunes may unexpectedly delete apps on a device
* Improves overall performance and reliability