Apple seeds iOS 8 beta 2 build 12A4297e to developers on Tuesday, June 17, 2014.
This build seems to be a lot more stable than the first iOS 8 beta which crashed at least three times within the first hour. iOS 8 beta 2 seems to be stable enough that I told my colleagues they could install it if they would.
I installed iOS 8 beta on an iPhone 5s and iPad Air instead of on older devices; they are the only 64-bit iPhone and iPad I have. Apple is going full on 64-bit with the upcoming iOS devices.
I noticed that my iPad Air rings whenever my iPhone 5s rings. It seems that phone call handoff is working between the two devices. Overall, I’m really excited with iOS 8.