This amateur video complains about Duolingo not having perfect Japanese pronunciation, and dates from 2021. The author of the video goes as far as to recommend that the audio and listening exercises be disabled altogether. This makes me wonder, to what extend is the pronunciation "not perfect"?
As I know nearly nothing of Japanese, I don't yet have the ear to compare it to actual Japanese and decide whether it's good or not. My main concern is that it could lead me into mispronouncing words.
I'm a native French speaker, and I tried out the Duolingo French course just to see how accurate the pronunciation was. I was very satisfied by it, and I don't see why a French speaker would sound weird just because he uses the same pronunciation as in Duolingo (though we all know the tone of voice and robotic sentence entries and conclusions are hilariously ridiculous, but that is not what I'm concerned about.)
In other words, could we say that Duolingo's Japanese pronunciation quality is at least as good as with French?