Battery notification sounds played at Ring volume
Charging notification volume doesn't follow the appropriate value.
What is the current behavior?
Ensure Settings > Sounds > Advanced > Charging Sounds is enabled
Change Notification volume, plug and unplug the device. It doesn't change anything
Change Ring volume, plug and unplug the device. This time you realize that Charging notification follow the ring volume
What is the improved behavior?
Charging notification volume follow the notification volume.
What does it bring?
It looks more appropriate.