Update : Apple has released iTunes 10.3.1 version . Follow the download links below .
iTunes 10.3 is now available for download . This version is especially important because it brings iCloud feature to your iDevice . With iCloud enabled you can download new songs, apps, and books to all your other devices over Wi-Fi or 3G . No need for connecting with your USB cable to sync.
This means you can buy Music and Apps on your computer and start listening/using them on your iPhone and iPod Touch without having to transfer via your computer . iCloud sends/shares the data over all connected devices in a home group . Download one by one or all at once . iCloud is Completely Free .
iTunes 10.3 update wont appear on your Mac unless iOS5 is available . So you have to manually download and install it on your computer . iTunes 10.3 is available on both Mac and PC .
Download iTunes 10.3 from Apple.com
Note : We are not certain about its jailbreak compatibility. We will update this post when more details are available from Dev Team. To stay updated , Subscribe to our Newsletter.