Apple released an iTunes update today, version 9.0.3. This update is completely safe for jailbroken and unlocked iPhones. Both synching and DFU mode are still supported on jailbroken iPhones.
IN THIS UPDATE:
- Fix for bug where iTunes wouldn’t remember stored passwords.
- Fix for iPods that are having problems syncing smart playlists and podcasts.
- Fix for bug where occasionally iTunes doesn’t recognized a connected iPod.
- Fix for minor stability and performance issues.