Aside from the disappearing clock, it was all good. But today I had a major bug. I did a force restart on my 6S Plus (holding power and home button until apple logo then letting go). Right before I did that I had 60% battery, after the hard restart, phone just showed the icon of no battery asking me to plug in to electricity. I had to do two more force restarts to get the phone to boot up normally and at 59% now. So weird. I never had issues like this on beta 1 or beta 2 of iOS 9.3.