The Xbox One will get 120Hz support in a May software update
https://arstechnica.com/gaming/2018/04/the-xbox-one-will-get-120hz-support-in-a-may-software-update/
Microsoft has announced that the Xbox One will get 120Hz-display refresh-rate support in a software update for the consoles. Support for higher refresh rates opens the door for smoother gameplay, both in terms of performance and input responsiveness.
The Xbox One will get 120Hz support in a May software update
Apr 24, 2018, 10:23pm UTC
https://arstechnica.com/gaming/2018/04/the-xbox-one-will-get-120hz-support-in-a-may-software-update/
>Microsoft has announced that the Xbox One will get 120Hz-display refresh-rate support in a software update for the consoles. Support for higher refresh rates opens the door for smoother gameplay, both in terms of performance and input responsiveness.