https://wccftech.com/the-witcher-3-xbox-one-x-update/

The Witcher 3, the latest entry in the series developed by CDPR, recently received a PlayStation 4 Pro update, enhancing the game on the latest Sony console. Today, the game also received its Xbox One X update.

According to online reports, The Witcher 3 Xbox One X update is now live in all regions. The update adds, among other things, a Performance Mode setting, which should prioritize frame rate. Additionally, the rumored HDR support has also been added.