I recognized a few days ago that if I add a part with a model (default KiCAD models from git) that if I open the PCB on the other operating system (ie. add on Linux, open on Windows and vice versa) the 3D model is rotated around z by 90°. Unfortunately at the moment I can only tell my Linux version which is 4.0.6 but Windows should be also in that range.
Any ideas, maybe a bug?