You have it backwards.  It was beta tested, the testers reported the missing features and bugs, and the executives wanted it released anyway so they could push out the headphones and meet end of fiscal year sales predictions.

Tks for clarifying…. Now we knowwwwww!!!!

I've reverted back to the original S2 version and it works as before. I can't link my music library on my computer. It appears Sonos has blocked it without upgrading the app. There are other posts that show how to revert to S2 on this forum. Like everybody else absolutely disgusted the way Sonos has dine thi.