DW1560 bluetooth on Catalina 10.15.1

As far as I understand, the bluetooth stack changed from 10.15.0 to 10.15.1? Regardless, I have not been able to get bluetooth working.

I have tried:

BrcmPatchRAM3-V2.3.0d3.zip
BrcmPatchRam3-V2.5.0

I have installed, what seems like every combination of BrcmPatchRam3 + BrcmFirmware[Repo|Data] +...

DW1560 bluetooth on Catalina 10.15.1