Since last version 10.5 in ‘connexions audio’ :
We have to clik on a very very thin surface to action + - or the arrow to access to the presets list
Such a precision wasn’t mandatory in the previous version , for exemple if we want to + to deploy the list of connexions we have to click on the extreme left of the +
it’s the same as it was before
I doubt because I don’t remember such a nightmare