Halo: The Master Chief Collection Patch Launches Today, Fixes Matchmaking and Other Online Issues

Halo: The Master Chief Collection Patch Launches Today, Fixes Matchmaking and Other Online Issues

343 Industries posted a new update on their official blog today, outlining the full patch notes for Halo: The Master Chief Collection.

The patch notes are as follows:

The next time you log into Halo: The Master Chief Collection, you will be prompted to download the latest content update. This particular content update includes improvements for matchmaking, roster, parties, and more. Below, you’ll find a summary of the updates that are included in today’s update:


  • Made improvements to the reliability of Matchmaking parties.
  • Local split-screen players will now always be on the same team in Halo 2 Matchmaking.
  • Made an update to allow players to use Voice Chat during loading screens in Matchmaking.
  • Made an update to ensure that players are not forced into an incorrect party after encountering an issue in Matchmaking.
  • Resolved an issue where the “Winning Team Won” text was shown in the Carnage Report.


  • Made fixes to reduce the amount of time it takes to update the Roster:
    • Players will now be discovered sooner after starting the game.
    • Changes to the roster will be more immediate to better reflect friend activity.


      • Made several improvements to party joining and management.
      • Resolved an issue where players that were in a party could not join another party from the Roster.
      • Made changes to ensure that parties cannot exceed the maximum party size of a playlist.
      • Made an update to ensure that Party Leaders can assign a new Party Leader or Kick a player from their party.

Custom Games

      • Made a change to ensure that teams selections are correctly carried over in Custom Games.
      • Made an update to ensure that player settings do not revert to a previous state after completing a Halo 2 Anniversary Multiplayer match.
      • Made an update to ensure that players do not disconnect  after completing a Custom Game.
      • Resolved an issue in Custom Games where parties would disband if some players were playing in Split-Screen.
      • Made a change to ensure that Halo 3 Custom Game variants display correct author information.

Halo: CE

      • Made various changes and improvements to Halo: CE multiplayer hit registration.


      • Made an update to ensure that the “Legend Slayer” achievement unlocks when prerequisites are met.
      • The “Pacifist” Achievement will no longer be awarded for resuming “Assault on the Control Room”.

Stability Improvements

      • Made a variety of stability improvements across the following areas:
        • Matchmaking
        • Custom Games
        • Campaign Playlists
        • Main Menu

Control Schemes

      • Updated the Halo 2 “Green Fingers” Button Layout.
      • Updated the Halo 2 Anniversary Multiplayer Recon Button Layout.


      • Made improvements to stat-tracking.
      • Improved language support for Norweigan, Spanish, German and Japanese.

*Note: The team is aware that “Legacy” controls are incorrectly functioning as “Default” in Halo 2: Anniversary and Halo 4, and are working to resolve this issue in an upcoming update. We will continue to work on additional content updates to further improve the game.