This version has completely broken Spotify experiments, risk is unknown. There's a updated version.

YouTube:

Fix Spotify Premium Patch not working properly #6
Sync v5.18.0
- Unlock Premium: Override additional attributes
  - Removes the premium button in the nav-bar for tablet users.
  - Enable using Spotify Car Thing physical device
- Unlock Premium: Disable the "Spotify Premium" upsell experiment in context menus

5_6278102104863151382.mp4