The latest version of kiwitrees (3.3.9) is now available. It can be downloaded from the downloads page at

For hosted clients, your sites will be  upgraded in the next few days.

For most users this is a very straight-forward, uncomplicated upgrade. But for a few there is just one minor issue to consider, so please do read the upgrade page
before you start.

As always, a list of all the changes is available on the changes list page complete with screenshots of the major items.