2022

January

 * January 13: Halo services on Xbox 360 are going to be offline.

March

 * March 13: Halo: The Rubicon Protocol was originally set to be released, before being delayed until April 12th.
 * March 29: The Halo Encyclopedia (2022 edition) is set to release.

April

 * April 12: Halo: The Rubicon Protocol is set to release.

Unknown

 * Halo: The Television Series is set to air by Paramount Plus.