Many streaming services (Tidal, Spotify, and others) allow the selection of Sonos devices and volume control from the programs native app, much like how airplay and ChromeCast work. I’d LOVE this in the Plex app.
That completely did not answer the question. I have the same wish as drufke as navigating through Plex library via Sonos app is very clunky
Early 2021 clean-up: implemented