Google home, thumbs up not working.

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I have recently been trying Spotify premium with several Google home devices. I still have a Google music account as I evaluate. I have noticed that trying Google home to ' thumbs up' does not add a track to my liked from radio list, but it will if the thumbs up is done from desktop or Android device. The Google home does respond with 'I noted that you liked this' so perhaps some API is failing?