Hello,
The Bluetooth is not work after I update from 10.14.4 to 10.15.3 (BCM94352Z/DW1560), no problem for the Wi-Fi
No information can be found in System Information, I have install the kexts like BrcmPatchRAM3, BrcmBluetoohInjector, BrcmFramwareData from the Guide in Github.
The most wired...