I’m using the latest version.
And I’m very sorry. The option is indeed there. I don’t know how I missed it before. I’ll try it.
It doesn’t solve any problems though, in my case. It turns out that Rhino 6 SR11 will open a .dwg saved from layout in ACAD 2010 format, incluidng Layout objects, and if Native elements is selected, the dimensions will come in as dimensions.