Edit: Folks, 4K update released early today it seems !!! From the official Twitter feed...it's huge by the way, 73 GB...also at the end of the thread, posted a few quotes from the official site, some improvements such as matchmaking are for all Xbox One consoles, not just the X....it's more than just a graphical upgrade for X users...also quick quote regarding the size:
"It's important to note that choosing not to install game components is an “opt out” process. This ensures most players have the needed content for co-op and multiplayer scenarios while giving everyone control over their hard drive usage and which content they want to keep installed. By default, MCC will attempt to install the entire ~70GB package. However, once the game displays “Ready to Play”, you can launch the game and access the Intelligent Delivery settings to customization your installation specifics."
Thanks to months of feedback and playtesting by MCC Insiders, the latest major update for Halo: The Master Chief Collection is rolling out today in preparation for the @XboxGamePass launch on 9/1. Read about the new features, improvements, and more: https://t.co/269P3jCrjQpic.twitter.com/O0QhdjxqZG— Halo (@Halo) August 27, 2018
At long Last after months of testing we have a date!! Now it makes sense why not only is it getting the X patch, but other matchmaking improvements as well, it is because they are "relaunching via Gamepass".
Fantastic news for one of the coolest compilations in gaming, I can't wait!
Halo: The Master Chief Collection will be included with @XboxGamePass beginning September 1! Experience Halo CE: Anniversary, Halo 2: Anniversary, Halo 3, and Halo 4 – all updated with improved matchmaking, offline LAN, faster load times, Xbox One X visual enhancements, and more. pic.twitter.com/FOXgThA6y3— Halo (@Halo) August 21, 2018