Floating cabinets

[RMorrison]

This is the first time I've noticed this. Now that cabinets can be set to be relative to the finish floor, they are floating. Apparently the wall elevation tool doesn't pick up the finish floor, unlike the cross-section too. I can't find any way to get the floor to display, other than manually drawing in the finish floor line.

Am I missing something, or is this a bug?