Something else I noticed is that the volume slider shrinks as you remove the pinned items in the box that pops-up. If you remove all - or too many - the volume slider becomes practically useless
@Miles.Teg,
I see the same problem , did you file an FBH report, if yes, share the link and we can upvote.
Edit:
Never mind, I found one : https://aka.ms/AAd38ju