Developer beta out today. iTunes in the portion on iOS 4.3 is out as a beta for everyone today.
The new iOS 4.3.3 alters how the iPhone and the 3G iPad devices store and back up a built-in location database cache.
Prior to iOS 4.3 if a user entered their password to make a purchase their device would allow unlimited further sales without authentication for a 15-minute period.
The latest version of iOS, iOS 4.3, was released today, and it includes many new features, such as a faster web browser and the ability to turn your iPhone into a mobile hot spot.
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According to the release notes, iOS 4.3.3 reduces the size of the location database cache, stops backing the cache up to iTunes when you connect your device to a computer, and deletes the cache entirely when you turn Location Services off.
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Looks like the iPad might not have an exclusive on those new "multitasking" gestures unearthed in the latest iOS 4.3 beta, because BGR's got some shots up of an purported internal build that seem to indicate Cupertino intends to push them down to the iPhone line as well.
We'd been disappointed to find that iOS 4.2 only brought AirPlay video support to built-in Apple apps on the iPhone and iPad, but it looks like that's changing soon -- Apple just posted up the first iOS 4.3 beta, which allows devs to send video from apps or websites to an Apple TV.
Now, on to part two: 9to5 Mac seems to have unearthed traces in the iOS 4.3 beta of a new feature called "Photo Streams" that seems to be -- you guessed it -- a way to share continuous streams of photos with friends you approve, presumably through MobileMe (which would fit in nicely with the Find my Friends stuff).
However, the point is this: once you call certain functions or use certain libraries that iOS 4 gives you access to, you pretty much no longer will run on iOS 3.x devices.
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