sonos App

We have two Sonos sound bars, and 5 Sonos speakers. Since the app upgrade, we have been able to use our Sonos maybe 50% of the time and as of this week, we can’t even get in to our system.  It Finds our network and then it acts like it’s trying to connect so you can select your music, but it never gets you to that screen. When will this be resolved? And if it can’t be resolved, how do we get a refund on all of our equipment? I think we’ve been plenty patient at this point.