The update will no longer back up the location database to iTunes.
The size of the location database will be reduced.
The location database will be deleted entirely when Location Services are turned off.
Battery life improvements.
iPod bug fixes.
According to their sources, iOS 4.3.3 is due within the next two weeks or so. Apple is also expected to once again close the jailbreak hole which was recently released to untether the jailbreak on iOS 4.3.1/4.3.2.
More info on iOS 4.3.3 as we get it. Stay tuned!
You can follow us on Twitter or join our Facebook fanpage to keep yourself updated on all the latest from Microsoft, Google and Apple.