The problem with Spotify's Local Files feature is that the music you add cannot be added to Liked Songs. They must be in a playlist in order to be synced across

The problem with Spotify's Local Files feature is that the music you add cannot be added to Liked Songs. They must be in a playlist in order to be synced across. As someone who listens to their music by just tapping shuffle on Liked Songs, this is a no-go.