iTunes 10.3 gives you new ways to get your music, apps, and books from one device to another — wirelessly and without syncing. And the iBookstore comes to iTunes on your Mac or PC for an unabridged browsing and shopping experience. With iTunes, even getting your entertainment is entertaining. Automatically download new music, app, and book purchases to all your devices. Or download only the stuff you want to just the devices you want. It’s all part of iTunes 10.3.
Apple has just released a minor upgrade to iTunes at WWDC 2011, that is iTunes 10.3 which is currently in beta state. iTunes 10.3 beta comes bearing support for all the new features in iOS 5. You can download iTunes 10.3 from official apple website i,e www.apple.com/itunes