updated 11:26 am EDT, Tue August 19, 2014
Release reportedly not coming to developers
A sixth beta of iOS 8 has been issued, but only to Apple's testing partners, reports say. The firmware is allegedly being withheld from developers because Apple is so close to the gold master stage. Testing partners must approve or reject beta 6 by September 5, just four days before Apple is expected to announce new iPhones as well as iOS 8's launch date.
Accompanying release notes obtained by BGR indicate that beta 6 primarily makes bugfixes, with a particular emphasis on Mail, Messages, push notifications, and cellular functions. One interesting point is that in Photos, the default is now to leave iCloud uploads off if the user has just the default 5GB of online storage. Apple will offer an expanded and inexpensive iCloud Drive capable of handling most users' photo libraries alongside the release of iOS 8.
One source says that the beta has already been rejected, due to a bug in Safari preventing YouTube from working properly. It's unmentioned if Apple is prepared to release an update between now and the alleged GM seed.