Xbox Cloud Gaming用のHDMIドングルの開発をMSの広報が認めたって話かな？

Exclusive: Microsoft continues to iterate on an Xbox cloud streaming device codenamed 'Keystone | Windows Central
https://www.windowscentral.com/gaming/xbox/exclusive-microsoft-continues-to-iterate-on-an-xbox-cloud-streaming-stick-codenamed-keystone