Treyarch made several updates to Call of Duty: Black Ops 4 during its launch day, the details of which it subsequently shared on Reddit. The following changes were deployed globally yesterday:

General

Made many stability and UI improvements based on early tracking of live issues prior to official launch.

Multiplayer

Fixed an issue where Free-for-All players could sometimes appear on a team together.

Players are now granted bonus XP for unlocking Reactive and Mastercraft camos.

Corrected some inaccurate Challenge descriptions.

Zombies

Turned on Easter Eggs for all Zombies levels.

Blackout

Addressed some issues with Merits and stat tracking.

In addition to the above, Treyarch is working on the following updates based on community feedback:
We?re aware that players have been able to use Gestures (often referred to by the community as ?Emotes?) to peek around corners in modes where that can create an unfair advantage. We?re currently working on an update that creates two systems for Gestures ? the default system that is in the game now, and a competitive version that disables free look and applies different camera settings to prevent using it to see around corners. The default system will be used in parts of the game where corner peeking won?t affect gameplay balance (like the staging area of Blackout), and the competitive version will be used in modes where a more restrictive camera system is needed. We want players to always have fun with G...