0.4.0

• Added capability to switch between Open and Closed part variants in the VAB. This update impacts the FPS-60, FPS-400, and FPS-2000, eliminating three parts from the part picker and instead delivering the capability to choose from Open (has no top truss structure or top attachment node) or Closed (has a top truss structure with a top attachment node) in the VAB. Selecting the Open variant will be lower mass.
  • For backward compatibility the old parts are all still in the asset bundle (so sadly it isn't any lighter), however, they are hidden in the parts picker. This means that any craft previously built with the now deprecated variants will still load and work as they have, but any new craft built will only have the new parts.