This has only started recently, less than a week. My battery is just getting its ass kicked.
My day to day is work, on WiFi, always full barrs Sunday - Sunday. I stopped spectrum mobile from gps location yada yada but it doesn’t do anything or help.
Carriers also has the final say on your update, and they are the ones signing it.
Updates go from: Google —> OEM —> Carrier. Extra delay for critical patches for security vulnerbilities. Hackers are very happy about this