A new content update is available for The Master Chief Collection and it’s a big one.  343 Industries is making some pretty widespread changes including a lot of stability fixes for matchmaking, which seems to be the big hitter needing updates.  There are a few smaller fixes including game specific fixes, custom lobby issues like making the “Make Party Leader” option work properly, achievement unlocks, game stability and post-game carnage report fixes.  Here’s the full list of patch notes from Waypoint:

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

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