Apple has begun seeding iOS 6.1 beta 3 to developers this week, with bug fixes and improvements.

The changes from iOS 6.0.1 in the new beta include new ways for developers to integrate Apple's Maps into their apps, as well as Passbook improvements and changes to Safari. 

Also noted by Apple Insider is the addition of iCloud security questions, which were not in the previous two iOS 6.1 betas.

The beta is build number 10B5117b, and follows the 10B5105c iOS 6.1 beta that was released three weeks ago. It's available for the second, third and fourth generation iPad, the iPad mini, iPhone 5, iPhone 4S, iPhone 4, iPhone 3GS, and the fifth-and fourth-generation iPod touch.

See also:

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Apple releases iOS 6.1 beta to developers
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