Well hello there, here's something new. On Apple's developer page for iOS 4.3 beta there's this gem:
"Test Multi-Touch Gestures for iPad
This beta release contains a preview of new Multi-Touch gestures for iPad. You can use four or five fingers to pinch to the Home Screen; swipe up to reveal the multitasking bar; and swipe left or right between apps. We are providing this preview before releasing them to the public to understand how these gestures work with your apps. Test them and give us your feedback on the Apple Developer Forums."
So we're getting some new wibbly wobbly gestures? Too bad they won't change the orientation lock back to the way it used to work. Still, these new gestures make a lot of sense for Apple's tablet and its touch-centric interface.
A new version of Xcode (Preview 6 beta) was also released to support the beta iOS build and adds Airplay and Apple TV services (not apps on Apple TV -- yet) for apps. Specifically:
"AirPlay Video support is now available as an option for developers in the MPMoviePlayerController class. It is also available to web authors via the QuickTime Plug-In or media element."
Developers, check it out and let us know if you find anything else of note.
Updates: Thanks to our commenters!
Looks like you'll be able to revert the orientation lock functionality in 4.3 so that you can use it as a mute or orientation lock.
Also, hotspot functionality is there, but it'll work like tethering on AT&T, likely with those fun-time data caps.
And last but not least ... well, iPhone 3G seems to be left in the cold, so maybe it is the least.
Update 2: Some folks are diving into the info.plist file and finding some new camera effects. Neat!