Apple has just released iOS 7 beta 3 for iPad, iPhone, and iPod touch, and Xcode 5 Developer Preview 3 are now available on the iOS Dev Center.
Registered developers can download these new releases today and start developing your apps to take advantage of new multitasking APIs, dynamic motion controls in UIKit, Air Drop, Sprite Kit, enhanced video APIs, new features in Game Center and Map Kit, and so much more.
Mashable is reporting no significant changes or feature additions — mostly bug fixes and performance enhancements and that early reports indicated some UI tweaks, especially when it comes to fonts and icons within apps.
Also reported by 9to5mac that it was only two weeks ago iOS 7 beta 2 was released to developers and that this third beta release will most likely includes performance and bug fixes.
More information here https://developer.apple.com/ios7/