https://wccftech.com/spotify-offline-playback-for-galaxy-watch-4-is-now-rolling-out/

Spotify has been the preferred music streaming service for Samsung smartwatches for some time now. The company has undergone a massive overhaul as far as smartwatches are concerned, with the Galaxy Watch 4 series ditching Tizen in favor of Wear OS.

With that said, Spotify has been available on Wear OS for as long as we can remember, and a new update is now rolling out that brings offline playback to the Galaxy Watch 4.