https://www.halowaypoint.com/en-us/community/halo-insider
Similar to the original MCC Insider program last year, but this seems to be pushing to much more than just MCC.
The Halo Insider Program is the new way Halo fans and community members can partner with 343 Industries to improve our games, products, and services. As a Halo Insider, you'll have the opportunity to regularly provide feedback and insights that help shape and inform current franchise initiatives and the future of Halo. You will also be given exclusive opportunities to participate in public flights of in-progress Halo game releases and provide feedback to the development teams.
Halo Insiders who choose to opt in to console or PC flighting will be considered for early access play sessions with in-development Halo games. Every improvement to Halo: The Master Chief Collection over the past year was the direct result of Insiders participating in flights and sharing feedback to the development team. Each public flight has specific goals, meaning not all Insiders will be selected for every flight. To increase your chances for selection, make sure your Halo Insider settings are complete and accurate. And remember, you can always come back to update your settings or opt out of the program.
Similar to the original MCC Insider program last year, but this seems to be pushing to much more than just MCC.