Call of Duty Black Ops 4 has received the first major update a few days ago, by the patch 1.03 and the reduction of server performance, there are currently many criticisms of the stability.
On Reddit has published a user test results in which he examined the current server performance of Black Ops 4 and compared with the multiplayer beta. Apparently, the tick rate of the multiplayer server has been reduced from 60Hz to 20Hz.
Many players responded to this published test, 20Hz are just out of date.
Treyarch Announces Server Performance Updates
Treyarch has not yet commented on this test, but the current server performance has been addressed. They are working hard on further improvements and optimizations, especially in terms of network performance.
Over the next 14 days there will be several updates, in which general errors are fixed and the network setup should be improved.
More news and tips on the game can be found on our COD BO4 theme page.