Sounds like this to me, I have the same issue.
https://www.googlenestcommunity.com/t5/Streaming/Regarding-an-issue-with-Chromecast-2nd-gen-and-Chromecast-Audio/td-p/686992
My problem is similar but with slight differences. All 9 of my Wyze cams
(V1, V2 & V3) work fine in the Wyze app AND my Google Nest, but don't
work in my Google Home app on iOS OR in my Sony Bravia TV with Google TV
OS. I've tried all the unlinking /...
