Mail to email@example.com will be answered when I am back.
The major new feature of Wings 0.83 is native file dialog boxes for all file operation (Open, Save As, Import/Export).
Wings 0.82 contains important bug fixes in 3DS and OBJ import. Wings 0.82 supports user interface plugins.
Version 0.81 includes problem fixes and new features requested from Wings users. More work have been done on the plugin interface. Example plugins will be available within a few days.