Todd Spangler NY Digital EditorComcast launched the Xfinity Stream app on Apple TV 4K and Apple TV HD — which can now act as a substitute for your cable TV set-top box.Xfinity Stream on Apple TV gives Xfinity TV customers another option to access their video services, including all live, on-demand, and DVR programming within their home (i.e., at the location associated with their cable TV account).According to Comcast, the Xfinity Stream app has been redesigned with a “more intuitive” user interface, and the new UI is launching first on the Apple TV platform. The Stream app provides editorial content recommendations along with a personalization algorithm.