well, take the red pill or the blue one...
Do you like flashing each week and living with a beta ROM with all it's pro and cons, or do you like the stable way...
Sorry, I read that in your post, the usernames got mixed up while editing.
You clould try to delete the data of com.qti.phone but I'd risk a format.
My Mi11 is running very fine since A12.
at first my task set the phone silent but never ended silent mode. After disabling and enabling again each task it seems to work now.
For me they work fine. Wireguard and OpenVPN.