Well, I don't believe you will see too many developers here in the regular forum, and if you are not a developer, you cannot get access to the developer's forum.
I do not share your assumption that it is a universal iOS update problem. I have had no issues with my devices, nor has anyone had with theirs either. While you may have read some Bluetooth problems, most are being corrected when they attempt to pair the devices again. I do not believe an iOS update is going to correct your issue, as iOS updates will generally result in Bluetooth updates to greater levels, not improve older ones. It just seems to me if it is being discovered in iOS 6, it could just as well be an incompatability in your device. Have you tried to pair this iPhone with anything else to be sure the Bluetooth of the phone is defective?