AMD additions: *Note that this is most likely due to the recent Zenbleed security issues with some AMD CPU's.
https://www.neowin.net/news/microsoft-adds-new-amd-ryzen-cpus-to-windows-11-supported-list-leaks-an-unannounced-one/
Intel deletions: Note these are Xeon E-series CPU's
https://www.neowin.net/news/microsoft-removes-several-intel-cpus-from-windows-11-official-supported-processor-list/