Don’t know if this has already been reported…
Looks like my effort to clean up the rhinoscriptsyntax help had dorked up RhinoCommon’s help. Added to the pile.
@Helvetosaur, what function or method are you looking at? Just want to compare my results…
Screenshots above were Rhino.Geometry.Transform.Rotation… --Mitch
RH-39961 is fixed in the latest WIP