Bring back iMessage extension for Spotify. It was a feature heavily used by many of us and it is very ungrateful of you removing this while many ios users keep paying for a premium plan around the world. I don't think it's such a big deal to keep supporting a small app for iMessage where you can share music with friends.
Your suggestion has at least 50 votes in 3 months! Keep gathering votes. If this idea gets enough votes, Spotify will check it out and post a status update. You can read more about the idea process here.