New playlists and Challenge changes are now live in #HaloInfinite. If you're currently playing, close and relaunch Halo Infinite to see the changes. More information in the December 14 update section of our release notes. https://t.co/EFJ0w03eXM pic.twitter.com/dvppRS1ckn

— Halo Support (@HaloSupport) December 14, 2021