Apple HomePod was always a superb speaker if not the brightest smart speaker. If you were using it for listening to music, there were few speakers better than the HomePod at that price point. However the major drawback was that you could play only Apple Music on them.
That changes with the HomePod mini. Now you can listen to Apple Music, Podcasts, iHeartRadio, Radio.com, TuneIn, Pandora and Amazon Music. This has to be the biggest change for anyone looking to enter the HomePod ecosystem...