Xbox Insider Release Notes - Omega (2211.221031-2200) - Xbox Wire
New Preview Alpha, Beta, Delta & Omega Ring 1810 Update – 10/6/18 - Xbox Wire
August 5th : New Preview Alpha Ring 1908 Update (1908.190802-1945) - Xbox Wire
Treyarch Studios on Twitter: "Coming this week in #BlackOps4: • Operation Apocalypse Z (Xbox One/PC) • #AlphaOmega in Zombies (Xbox One/PC) • Reaper returns to #Blackout tomorrow • Double-Double Weekend starts July