Treyarch has announced that it’ll be operating on a zero tolerance policy for intentional teamkillers in Call of Duty: Black Ops 4, and will be introducing measures that discourage griefing.
Over on Reddit, the studio was responding to fan concerns when it noted that preventing teamkillers from looting dead bodies of the teammates they’ve killed is one of the most upvoted community requests. Treyarch has agreed to implement this alongside a “Report Player” feature. Miscreants will be banned but the developer has yet to reveal the length of the bans and how it’ll deal with repeat offenders.
Other beta feedback and subsequent actions include the following, per Treyarch’s Reddit post:

Audio Occlusion (AKA: Spatial Audio): We discovered and are fixing a critical bug where a player?s environment does not properly impact in-game sounds. This is why, for example, someone directly above or below the player can sound so much louder than expected. When the game is released, footsteps will be properly impacted by walls, floors, ceilings, and other objects in the world.
Distinguishing Vehicle vs. Player Hits: We?ve seen requests to make it easier to determine if a player?s shots are hitting a vehicle or an enemy in or near that vehicle. This is already being fixed in time for launch. Players will know the difference based on the color of their hitmarkers.

Armor Damage Indicator: Several players have asked for a clearer method of showing ho...