Windows Server build 22509

Windows Server build 22509 is an Insider Preview build of an upcoming Windows Server release released on 24 November 2021.

File Explorer

 * A dropdown menu named "Filter" has been added to the File Explorer command bar, but it appears empty and is not functional.
 * Pin to Quick Access is now a top-level button when right-clicking a drive in File Explorer.

Settings

 * The "Apps & Features" page in Settings has been split into two pages, "Installed apps" and "Advanced app settings".
 * Users can now launch the installed apps settings page directly via the URI.

Miscellaneous

 * Added support for Discovery of Designated Resolvers, a mechanism for Windows to use DNS records to discover a resolver's encrypted DNS configuration and protocols known only by its IP address.