FreeCAD is Fun !
...To contribute that an open source program is put alongside the established huge program manufacturers (such as: Dassault Systèmes, Autodesk, Inc., ptc, etc.).
To extend the functionality, to enlarge the field of application, to enlarge the user base, to constantly improve FreeCAD...
Features I'd like to see
I will hope that sometimes the critical aspect in FC will be solved (the hardest):