That's not new to iOS8 though... I have that on my 5s with iOS7 as well. Just sayin
I have never once received that 48-hour message on iOS 7. I go for weeks without restarting my phone. And the only time I have to re-enter my passcode before using Touch ID is after a restart.
 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
			 
	 
 
		 
 
		