Macbook Pro 13-inch, 2017
My Question or Issue
The volume up/down keyboard shortcuts (CMD+UP, CMD+DOWN), as well as the menu options in "Playback" have no effect. I use Spotify Connect for streaming to a speaker, and the volume slider at the bottom right is not the easiest to use, so it's quicker and easier to use the keyboard. However, these stopped working a while back.
Steps to reproduce:
1. Open Spotify on Mac
2. Start playing a song
3. Click Spotify Connect and start playing to a device (in my case, Sonos One)
3. Press CMD+UP or CMD+DOWN to adjust the volume, or select "Playback -> Volume Up"
The volume is adjusted, and the volume slider at the bottom reflects the change
Volume is not adjusted, slider stays at same level.