Did you reserve IP adresses for both Homey and Sonos @ your DHCP server?
When your Pro 23 is wifi connected: there’s serious issues with the wifi chip →
When possible, try using a LAN adapter to see if it improves the stability.
And you´d better use the Sonos app topic, instead of splashing new topics around:
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Never experienced that. You should at least receive a confirmation mail with your request number. How did you contact support? Sending emails for instance is not a valid way to contact support.