So the title says most of it. I have multiple AutoCAD .dwg models, all of them work fine (except for the usual low res circles but that seems impossible to solve) however, the ones which have an arraypath are missing the array. Arrays are the only features missing and they are missing in every model which has one.
Good heavens! All these were apparently written when SketchUp was still an @Last product! Very outdated. AutoCad parametric arrays were not invented yet when the articles were written. As I pointed out in another thread, AutoCad has several entity types that fail to be mentioned at all in the Supported/Not supported table.