There is a bit of added functionality if you hover over the "Build" button. Holding CTRL will add the nif files to the "working directory". This does not add the files to the game at all but exports the nif file to the BodySlide folder for editing with other programs. It is not us...
Outfit Studio: Fixed smooth/lock normals toggles not saving if a shape had no slider data to it. Outfit Studio: Fixed partitions tab showing colors of last selected bone. Outfit Studio: Eliminated the need for blank skeletons (the SkeletonBlank_*.nif files). ...