Hi,
Thanks for posting in Microsoft MECM Q&A forum.
Per my experience, it may be a known issue, but not sure. Similar threads fow Windows 10 21H1 for your reference:
https://www.anoopcnair.com/windows-10-21h1-os-version-appears-wrong-sccm/
https://twitter.com/bytenerd/status/1395071115072966656
I will keep an eye on this issue, if I find any update, I will keep you on posted. Thanks for your kindly understanding.
Best regards,
Simon
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