This community update summarized small bits of information that were provided in one of 343’s Social Streams. Although nothing major was announced, there were some noteworthy additions to what we already knew.
Summary
These points were provided directly in the community update:
“Splitscreen: Splitscreen is up and running internally
Back in Black: Black Undersuits will be in the game
Flighting Programs: These opt-in flights will start small and slowly expand out until release
PC: Flighting may come a little bit later for PC players, but we're treating it as a first-class citizen
Player Customization: If you liked the level armor customization options in Halo: Reach, you will be pleased
SR 152: Players who hit SR 152 in Halo 5: Guardians will receive a token of appreciation in Halo Infinite
Pro Team: We're in the process of starting an internal Pro Team for Halo Infinite”