343 Industries has released the long awaited content update for Halo: The Master Chief Collection and Multiplayer is working better than ever! It’s 690MB in size and focuses on matchmaking, party stability, and title-specific improvements. Essentially, this CU is targeting to the core system and how multiplayer functions.

The content update notes are as follows

MATCHMAKING

• Made a variety of updates to improve matchmaking performance and success rates
• Improved matchmaking search times/time to match
• Improved stability throughout the matchmaking process across all titles

PARTIES

• Improved party stability

For HALO 2

• Made improvements to multiplayer shot registration
• Improved campaign stability across a variety of levels
• Addressed stability issues for matchmaking and custom games
• Fixed issues around resuming H2A Campaign from “remastered” mode
• Improved medal display consistency

HALO: CE

• Fixed issues regarding aim assist which resulted in the reticle being pushed away from an enemy
• Improved shot registration consistency between host / client in peer-to-peer custom game matches
• Resolved a variety of UI inconsistencies, including team color randomization, medals, and in-game scoreboard display

They’ve also added motion backgrounds that show of moments from the 4 campaigns while you briefly search for a match – Which is a really cool touch!

Source:  HaloWaypoint