Apple has just released the Golden Master (GM) version of iOS 5 to developers. Build 9A334 is now available in the iOS Dev Center. A Golden Master seed of iOS is usually the same version that will ship to the public within a few weeks.
iOS 5 is the next major release of Apple’s mobile operating system for iPhone, iPad, and iPod touch, bringing new features like PC-Free setup, iCloud, Notification Center and direct Twitter integration to iOS devices. iOS 5 will be released on October 12th. Additionally, Apple has also released the GM seed of OS X 10.7.2, the next software update for OS X Lion that will bring minor features and optimizations and, more importantly, full iCloud support on the desktop.