Incoming requests for /.well-known/apple-app-site-association file

Q:  Why is my web server receiving requests for https://example.com/.well-known/apple-app-site-association?

A: The recently released iOS 9.3 update implements RFC 5785. Because of this, devices running iOS 9.3 will first request /.well-known/apple-app-site-association for the apple-app-site-association file that is required to implement Universal Links and Shared Web Credentials. If the file is not found in this location, then the device will request the file in the root of the web server, as with prior releases of iOS 9.

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