Christoph Candido

It looks like the issue depends on the layer styling panel. If the layer styling panel is visible from the start, `Render Layers as a Group` is visible as well....

It's even not possible to activate the `Layer Styling` dialog from the layer group context menu. There is no `Properties...` entry. 

A small note on `RawCodeValues` validation. There is a mandatory application name (code 1001) that has to be registered in the `AppID` section of the DXF. Extended Entity Data is...