1) A decent surface scanner feature allowing to find landing spots and secrets via à Space program
2) Weather as a cosmetic addition
3) Weather as a gameplay addition
4) A button to timewarp to Apoapsis/Periapsis in the main game screen
- The benefits/cost ratio of this one is huge imo. This small improvement would allow so much quality of life, every liftoff could be made without any need to go to map mode, map mode would then be a maneuver hub mostly.
5) More contextual music, Jesus the music is so good
6) A way to get transfer windows timing without alt-tabbing to an old reddit post, ideally a "launch at transfer window", if it doesn't destroy what you think might be a core mechanic.
7) Improved graphics, the more beautiful the experience is, the more wonder there is to explore and spend time in the game