Delayed until 2021.
Halo Infinite Development Update pic.twitter.com/TFZvXhRN9f
— Halo (@Halo) August 11, 2020
Won't release with Xbox Series X this November.
Nintendo is selling their IPs to Microsoft and this is true because:
http://gamrconnect.vgchartz.com/thread.php?id=221391&page=1