Thanks for coming to the Idea Exchange and for bringing us your continual feedback. We also think this is a great idea and that there's an opportunity to make it happen, so we're looking into it further.
We'll post here when we have an update - Stay tuned!
https://community.spotify.com/t5/Live-Ideas/Desktop-Developer-Spotify-for-Windows-on-ARM-Win32-Desktop-app/idi-p/4992167