Yesterday, Apple has released iOS 5 Beta 7 For Developers. The update brings some bug fixes and new improvements. iH8sn0w has announced that the new beta will expire on October 20.
iOS 5 Beta 1,2,3 and 4 are all expired now. The Beta 7 is set to expire on October 20. This is a surprise as The public version of iOS 5 is expected to be launched early October along side the iPhone 5. iOS 5 GM is expected around September 30th as a new version should be released much before October 20.