Hey brudgers, sorry for this late reply! V1.5 was a big update (several months of work), but standout features include better ipad support, huge amounts of attention to UX and UI issues, and stablity.
If you install the App there's a full changelog, and in the app store version history there is information.
[+] [-] brudgers|9 years ago|reply
[+] [-] mdw|9 years ago|reply
If you install the App there's a full changelog, and in the app store version history there is information.