I thought of more stuff, so here it is!
Parts:
1. Resizing tool: Basically in the options menu and can shrink the plane down 5x, and make the plane 10X bigger. You can also select parts from these settings at the bottom of the menu such as: All, Structural, Wings, Manual Select.

1. More efficient engines

Cosmetics:
1. New Sound FX: Only for some applicatons: The old jet engines:
J15: Quieter version of the BFE120 SFX
J50: Enhanced and edited (to sound awesome) version of the BFE120 SFX
J90: Enhanced and edited version of an audio recording of an airliner engine

1. Metric and Nautical system in settings

That's all, Thanks> ~Breakfast