Links to iOS 6 Beta 10A5316K and Safari 6 Developer Preview got spotted.
The WWDC 2012 is opening today with the keynote at 10am PDT. The rumors of what Apple will release are reaching a boiling point just hours before the WWDC. At the software front it is clear that Apple will release details of iOS 6 and OS X Mountain Lion.
Links posted on the Chinese forum Weiphone supposedly reveal the specific details on the software releases. Apple is supposed to release iOS 6 beta and Safari 6 to developers today.