Was about to post saying this is "by design" and link to the design, but it seems I missed a sentence at the end of the design:
https://wiki.ubuntu.com/Sound#Output.2BAC8-volume_change_notification
Where output role changes need to surpress the notifications.
Was about to post saying this is "by design" and link to the design, but it seems I missed a sentence at the end of the design:
https:/ /wiki.ubuntu. com/Sound# Output. 2BAC8-volume_ change_ notification
Where output role changes need to surpress the notifications.