When you import a DWG that contains XREFS, you now have the possibility to save them as subdocuments.

The XREFS are automatically recognized by Pythagoras. To import them, you first have to make sure that the main drawing is saved.

If you click 'Yes' the XREFS one by one will be imported and saved as a subdocument. When a subdocument already exists, you'll get a notification with the option to overwrite it or to ignore this particular XREF. You can also choose 'No to All' or 'Yes to All'.

The result in the Subdocument Manager will look like this:

It is of course also possible to make a DXF / DWG Export. Make sure your main drawing is active. If you want to add the XREFS to the export, make sure to check the following box: