I have very few problems with Prepar3d, other than that I think it's a little dark, especially in the cockpit.
Prepar3D v2.5 Development Update
Requested Features and Enhancements Implemented in Prepar3D v2.5
We are currently finishing development on the first update to Prepar3D v2 for 2015, Prepar3D v2.5. This version has several rendering and performance updates, a few general platform updates, and a pretty substantial update to SimDirector, Prepar3D’s intelligent tutor, virtual instructor, and scenario generation tool.
