sync 3.4

I have a '19 GT PP1 and the system has auto updated sync to version 3.4. Now I am noticing none of my apps show up on Android Auto. My phone is a Samsung Note 8 with Android version 9 What puzzles me is that the phone connects via USB (and Bluetooth) to the car, it shows call/text info on the...

I am looking to upgrade from 3.3 to 3.4 using the Cyan Labs work around. I saw they have a Microsoft updated. All the videos I saw dealt with doing this with 2 USB’s but cyan labs says with the update it can be done with 1. Has anyone done to this way? I know there is always a risk doing these...