I was having the same problem after the update and had to delete my mail account and then add it again for push to work. This problem only occurred for one of my three Exchange accounts. The only problem now is that none of my Exchange accounts will show the emails in HTML (they did prior to...
I print from the browser in much the same way. Just hit the "Share" option and then choose Print from the list that appears. It found my wifi printer without a problem.
It isn't exactly what you want, but you can have just the battery meter and not the percentage (Settings -> Batttery -> Uncheck the "Battery percentage" option). I just wish that "Battery meter" was also an option....