Here are some of the improvements:
-fixed propeller duct height correlated to electric motors per drone arm issue
-added ability to load stl files and selected objects to object library
-drone parametric generation performance improvements
-booleans don’t crash so much anymore
-added drone motor support aspect ratio parameter
-added new CAD object: prism with rounded corners – good for aircraft windows
-fixed wing scale position bug
-increased number of CAD objects booleans can apply to to 3
-added solid CAD object symmetry setting for angular array
-added boolean CAD object symmetry setting for angular array
-fixed bugs in selection operations
Free at coptercad.com