That worked, thank you!
Sadly it does affect my framerate a lot too. But looks really pretty!. So I might still use it for a Screenshot when FPS isn't important
(GPU used is a AMD Radeon R9 M395X 4096 MB )
I see the same weird double-horizon, but I can't see any main-loading screen setting about shader, the only thing about rendering I did find is this [which doesn't have any effect]:
Dear KSP Team,
KSP was working fine for me for months, now with the 1.3 it's crashing at every start at the same loading step ( I think after asset-loading).
Here's the stack trace: