We have noticed a problem with Device Builder in documents that were previous migrated from connectCAD 2014 or earlier. What happens is that the sockets in the device created by Device Builder have text but no graphics. Although the problem is in fact the document default values for the Socket object we’ve fixed it in the Device Builder. That way you don’t have to go back and re-work stuff you’ve already migrated.
A patch for Device Builder is available in the Downloads section.