The sad reality is that if it was coming back it would be back.
Whether the reasoning is commercial or technical, i.e. they had a one way process in he update that cannot be backed out, if Sonos was going to give us the old version we would have it by now and they would not be announcing the product launch that drove the update.
At this stage I think the value of continuing to post is to warn new users that:
- Sonos is not a customer focused company
- Their initial experience with their new products may be difficult
At least anyone who does a Google search should find one of these threads.
Buyer beware.