i have 6 homepods and 5 apple tv's and they are never out of sync ever. I buy a Play 5 and it's immediately out of sync multiple times a day, but it's my network? lol that's a ridiculous comment. I contacted Apple and they said they were aware of the issue and it's a Sonos problem, not Apple's and are waiting on a fix from Sonos. So I returned the Play 5 for that reason and won't upgrade my tv's with Sonos until it's fully fixed. It's not a network issue at all.Sounds like your network is oversaturated. Too many devices and not enough routers/AP's.
If the sonos had an actual problem then everyone would be experiencing it. Everyone thinks their network is fine. Until they address the network issue and find out it wasn't fine at all.
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tell us about your setup...I have no issues with airplay 2.