https://wccftech.com/halo-the-master-chief-collection-pc-to-get-pvp-matchmaking/

Work on the PC release of Halo The Master Chief Collection is proceeding, and the development team recently detailed the next steps it will be taking in the coming weeks.

As of now, the Firefight matchmaking is the team’s next focus core for flighting. Following the Campaign flight, it will come the time for the Firefight and PvP matchmaking flights.