Hello,
Regarding the update does not appear in your Windows Update issue, as this kind of feature update is delivered automatically by Microsoft to available machines, it is recommended to manual do the Installation Media way instead if not delivered.
You can also try report your question to Microsoft, use the Feedback Hub app. To learn more, see Send feedback to Microsoft with the Feedback Hub app:
Send feedback to Microsoft with the Feedback Hub app - Microsoft Support
Best regards,
Molly