I sure hope it fixes Exchange contact info disappearing, as in 11.4. Of all things to lose from a cell phone update...
Yep, it appears to have fixed the missing Exchange contacts, on mine :)
Battery consumption is worse, though :(
Continuous smartstuff pdates — coder and techie job security program. It ain’t broke, but fix it anyway. Oh oh oh, look, new goodies in the coding toolbox, gotta use ‘em all!