Series 8: Mythic

Season 8 is a planned upcoming season for Halo: The Master Chief Collection, anticipated to release some time in 2021. As of December 2020, plans had been laid internally at 343 Industries for this season. It is possible that this season will feature OPERATOR-class Mjolnir and other Halo Online armor sets, which have been seen in the trailer for Season 5 but not yet featured as an unlock in previous seasons.

Season content
The following is due to be implemented in Season 8:

Halo: The Master Chief Collection

 * Custom Game Browser support for Halo: Combat Evolved and Halo 3.
 * New nameplates
 * Campaign customization for Halo: Combat Evolved and Halo 3 to allow vehicle and weapon skins on campaign.

Halo 3

 * One new map for Halo 3 from Halo Online: Icebox
 * New armor, visors, back accessories, weapon and vehicles skins
 * All new Campaign collectibles in the Halo 3 campaign.

Halo: Reach

 * New helmets
 * Halo: Reach Firefight update to include voice previews, more granular body type and voice.

Halo 3: ODST

 * Halo 3: ODST Firefight update to include per wave customization options bringing it up closer to Halo: Reach ' s options.

Halo: Combat Evolved

 * The classic HUD will return with 4k support and a toggle in Settings.
 * Performance improvements in campaign on Halo: Combat Evolved Anniversary.