Hopefully, the company can send out a server-side fix in short order.
The Chromecast (2nd gen) and Chromecast Audio are two of Google’s oldest devices, with both announced at the same event in September of 2015.
Yeah those are likely considered dead and abandoned by google, they will probably not give a shit about it.
From my own experience, it's mostly just the ones without kids that don't give a shit and have gone apathetic.