Difference since Update

Did u do a master reset before the update? Cause mine seems the same or maybe a lil more drainage

No, please see my first post in this thread (8 above this one) for the only thing I did after installing the OTA. Don't know if that is what helped my battery life but it sure didn't hurt it.

Good luck.
 
My battery life also seems to have improved. Yesterday it was unplugged about 15 hours under Moderate usage for me (I'm a Heavy Power User) and it was around 79%. I was mega-surprised by this.