You can also download the update for Mac OS directly on your device by opening Software Update by clicking the Apple icon or through the Apple App Store on OS X Mountain Lion devices.If you own a Windows PC, you can run Apple Software Update from your Start Screen (menu). You can also download the latest version of iTunes to your Windows or Mac computer using the following link:
This update follows iTunes 11.0.3 which was released back in May with new features like a revamped MiniPlayer, improved songs view, and support for albums with multiple discs. Even though the newest update is focussed on internal improvements its good to see Apple hard at work to offer their users the best end experience with iTunes.