Turning On/Off the new preference, “Meter when muted” is not working correctly. When you have it unchecked/off, the grey meters still animate. Turning it on and then off again makes the meters disappear, but every time you restart BFD3, even with that option unchecked, the meters still animate.
Both standalone and AAX. macOS High Sierra 10.13.6
Out of curiosity, what OS are you using? It doesn’t seem to be exclusive to any particular OS but its useful for us to know where users spotted it first.