My phone is definitely cooler overall since I updated but before it was normally kinda lukewarm, will have to test the battery
Getting average about 14-16 hours of use with over 5 hours of screen on time last 2 charges. This is better than the developer beta but not quite as good as I was getting on official release. I am running 120mhz refresh rate. Haven't tried 60mhz to see how much additional battery life you get.