Windows Server build 22509

Windows Server build 22509 is an Insider Preview build of Windows Server based on the Nickel codebase. It was released to Windows Insiders on 24 November 2021.

File Explorer

 * A dropdown menu named "Filter" has been added to the 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 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.