Halo Infinite is one of the key Xbox Series X launch titles and it's launch trailer left many long-time fans raising their eyebrows at its design aesthetic. Although meant to be something of a tribute to the original Halo title, it may have erred a little too much on the side of nostalgia at the expense of a proper next-generation console look and feel. Apparently, 343 Industries agrees and is working to improve things.
https://www.notebookcheck.net/Halo-Infinite-developer-admits-it-will-need-to-fix-the-game-s-graphics-before-launch.483963.0.html