The latest version of kiwitrees (2.0.2) is now available for download from http://kiwitrees.net/services/simpl-add-ons/download-info/kiwitrees/
Full details can and should be read at this blog post: http://kiwitrees.net/kiwitreesnews/kiwitrees-2-0-2-now-available/
NOTE – there are changes that require modules to be enabled / disabled and for some configurations transferred to the new (gallery) module. So do read that blog post carefully!
A summary list of all changes is available at http://kiwitrees.net/change-lists/