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 focuses on matchmaking, parties, custom games, achievements, stability, and more. While this update contains a variety of improvements, we continue to work on additional content updates that will be rolled out to address further issues. Below, you’ll find a summary of the updates that are included in today’s update:
Matchmaking & Parties

Made improvements to matchmaking team balance

Made an update to improve matchmaking search times and success rates, specifically expediting the “Players Found” and “Connecting Session” search phases

Made improvements to prevent a player’s rank from resetting unexpectedly

Made an update to resolve an issue that allowed players to be placed into an incorrect lobby after a matchmaking game

Made improvements to prevent the party from being disbanded upon returning to lobby

Made an update to ensure that players are sorted by team in the “Match Found” screen

Resolved an issue where Team Slayer matches in Halo 3 could separate players onto individual teams

Resolved an issue where players could be placed into a group of 7 players and unable to find more

Made improvements to ensure that the party-leader is prompted to “Bring Party” when leaving a lobby

Made an update to ensure that split-screen players cannot be divided onto different teams

Made improvements to ensure that clients are not kicked from parties at the end of matchmaking games with a “failed to connect” error

Made an update to ensure that Halo 2: Anniversary matches do not continue indefinitely after entire opposing team quits

Made an update to ensure that parties are not separated when the party leader navigates through multiple titles
Custom Games

Made improvements to prevent manual team selection from getting reset after a Custom Game match

Made an update to ensure that the “Make Party Leader” command functions correctly
Achievements

Made an update to ensure that the “Too Close to the Sun” achievement unlocks when prerequisites are met

Made an update to ensure that the “Monopolized” achievement unlocks when prerequisites are met

Made an update to ensure that the “Devastating” achievement unlocks when prerequisites are met

Made an update to ensure that the “You’re Joking” achievement unlocks when prerequisites are met
Game-specific

Made improvements to Halo 2: Anniversary objective pickup, specifically in regards to objective “juggling”

Made an update to Halo 3’s movement input, specifically to resolve a deadzone issue which affected moving in a straight line

Made additional improvements to Halo: CE fall damage scenarios

Made an update to resolve a Halo 2 Classic campaign issue where a black screen could overlay the gameplay screen
Stability

Made a variety of stability improvements across the following areas:

Matchmaking

Custom Games

Halo 4 Campaign
Misc.

Made an update to ensure that clan tags appear in the post-game carnage report for all players

Made an update to ensure that players are sorted by team in the post-game carnage report

Made an update to ensure that emblems are displayed correctly in the post-game carnage report