The next time you log into Halo: The Master Chief Collection, you will be prompted to download the latest content update that focuses on UI, matchmaking, game-specific multiplayer and campaign, controls, and stability. We continue to work on additional content updates that will include added improvements for matchmaking, parties, and other top community items. Below, you'll find a summary of the [...] Via 1.19.15 Halo: The Master Chief Collection Content Update Notes