2016

January

 * January 26: The Infinity's Armory content update for Halo 5: Guardians is released.

February

 * February 12: A new partnership with Mattel is made by 343 Industries.
 * February 17: Rocket League is released on Xbox One, including a M12 Warthog "Needlehog" as an exclusive vehicle.
 * February 24:
 * A replica of the is released by Dark Horse Comics.
 * The Hammer Storm content update for Halo 5: Guardians was released.

March

 * March 15: The paperback edition of Halo: New Blood was released.
 * March 16: The trade paperback edition of Halo: Fall of Reach was released.
 * March 22: Halo: Escalation Volume 4 is released.

April

 * April 6: The Ghosts of Meridian content update is released for Halo 5: Guardians.
 * April 14 - 19: Warzone Firefight Beta.

May

 * May 11: Halo Library Edition Volume #1 and a replica of the ONI Acrisius are released by Dark Horse.
 * May 12: The Halo 5: Guardians Memories of Reach content update is released.
 * May 31: The Halo 5: Guardians Hog Wild REQ Drop is released.

June

 * June 8: A replica of the Type-54 Banshee is set to be released by Dark Horse.
 * June 13: Halo Wars 2 is shown at the E3 2016 with a playable demo.
 * June 13-23: Halo Wars 2 Open Beta
 * June 23: 343 Industries confirms Halo 6 is under development.
 * June 29:
 * A replica of the Z-1800 Phaeton is set to be released by Dark Horse.
 * The Halo 5: Guardians Warzone Firefight content update is released, including the Warzone Firefight game mode.

July

 * July 20: Halo: Ground Command will begin shipping to distributors.
 * July 27: Halo: Ground Command will begin shipping directly to customers.

September

 * September 6: Halo Mythos is set to be released.
 * September 20: Halo: Fractures is set to be released by Gallery Books.

October

 * October 25: Halo: Tales from Slipspace is set to be released.

December

 * December 7: A replica of the is set to be released by Dark Horse Comics.

Unknown

 * Forge – Halo 5: Guardians Edition is set to be released on Windows 10.