https://www.polygon.com/2017/10/18/16497676/halo-the-master-chief-collection-xbox-one-x-enhancements

Halo: The Master Chief Collection will be updated with “enhancements” for the Xbox One X, developer 343 Industries announced during a livestream yesterday.

The studio offered few details on the upgrades, although it said that The Master Chief Collection’s Xbox One X update will offer more than improved graphics.