User Error.  It was a dumb mistake, I somehow had both versions (2.3 and 2.4) linked in? Anyways it was using 2.3. Deleting it fixed the issue.  Thanks.

 Thanks for the response, but yep, same with me. It runs the 32feetWidcomm test successfully, but still have BluetoothRadio.IsSupported == false and PrimaryRadio == null. Could something with the Widcomm software installed with the dongle be locking necessary resources or something?I don't know if that is possible, but it seems like it ...

I have an existing project using the 2.3 production release with a device obviously using the Microsoft stack. I want to try the Widcomm stack and got a dongle with the Widcomm stack and downloaded the beta 2.4 version. However, I must be missing something as I'm having issues, the main one being that the  BluetoothRadio.PrimaryRadio is ...