After the update my AC dongle stopped to detect AC net’s, he only detects N’s.
[ 1865.964334] usb 1-1.5: new high-speed USB device number 5 using dwc_otg
[ 1866.095282] usb 1-1.5: New USB device found, idVendor=7392, idProduct=a812
[ 1866.095307] usb 1-1.5: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1866.095318] usb 1-1.5: Product: Edimax AC600 USB
[ 1866.095328] usb 1-1.5: Manufacturer: Realtek
While it might not be solving the issue but I suggest you first update to the latest kernel from yesterday evening sudo apt-get update sudo apt-get dist-upgrade
first install crda sudo apt-get install crda
Then check with iw reg get
Which indicates that country is not set. While I assume you still should be able to connect to your 5GHZ network (as the none specific country is open) I still suggest to set it correctly with sudo iw set <2-Digit Country Code>