Yeah I think it did, I think they may of changed it to stop malicious code being embedded on the page, but if you put

<iframe width="560" height="315" src="https://www.youtube.com/embed/b3tpAbxApyE" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>

into

It will still embed your video into the comment.

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