Not sure if anyone else is going through the same thing as me but I’m downloading an update for halo 5 and I think it’s Infinity’s armory!
You would be correct Spartan! 
Abit late to the party.
I mean its been live for a majority of the day lol but glad your installing it
Lol sorry, I didn’t get to sit down till 8 last night and I didn’t notice till 8:30 that something was downloading.