Xbox One X apparently supports HDMI-CEC now. Found under display options, TV & OneGuide, Device Control. : r/xboxone
HDMI CEC | AVForums
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What is HDMI CEC meaning, explained, how does this technology work | Tab-tv
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What Is HDMI CEC? Everything You Need to Know!
4x1 HDMI 2.0 Switch with HDMI ARC & CEC | gofanco
A strangely unpopular feature of AV receivers: HDMI-CEC remote control pass-through | Mark's Blog
HDMI-CEC support ? - Microsoft Community
Octagon SF2028 HD Optima 3D Full HD Twin Sat Receiver (2x DVB-S2, 1080p, USB, HDMI, LAN, schwarz)