Version 1.6.1 patches a few critical issues for version 1.6. The main fixes include a complete overhaul of the look and feel (interface) for Mac, fixing editor bugs. It also includes a number of fixes for preferences bugs and a few other critical issues caused by changes to the preferences and export code. We highly suggest upgrading to this version if you are running version 1.6.
To download, visit http://www.formreturn.com/download
To see the changes for this and other versions, visit http://www.formreturn.com/download/change_log