Whoops, seems like that's related to their naming scheme change, and `ReleaseId` stopped incrementing after Windows 10 “2009” (2009 September) got renamed to “20H2”: https://vxtwitter.com/bytenerd/status/1395071115072966656

  PS> (Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion').ReleaseId
  2009
  PS> (Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion').DisplayVersion
  24H2