List of the most important new features:
Added more statistics and graphs.
New style of public and user pages, it's now much easier to reach any page.
Added the option to use CAPTCHA image test in forms. Will only turn on if necessary.
New ad type - javascript popup banners. Not sure if I am going to turn that one, they can be annoying.
The option to automatically disable ads of users who didn't send any impressions in the last X hours. Currently turned off.
Coupons can be used multiple times. If I can get some good feedback or new suggestions, I may reward with coupons for free impressions.
Uploaded images are automatically resized to the required width and height.
Many other features have been added and updated. So login and take a look around.