MW3 & Warzone September 5 update patch notes – Split screen dev error & JAK Deathmarch fix

Gameplay updates, weapon fixes, and more have arrived in both Call of Duty: Modern Warfare 3 and Warzone for the September 5 update.

The Deathmarch Aftermarket Part had a big that saw it with infinite reserve ammunition, and players had been having issues setting off Bunker Busters in Warzone, but luckily this patch addressed these bugs and more.

For those interested, here are the full patch notes for both MW3 and Warzone.

Warzone & MW3 September 5 update patch notes

MW3

MULTIPLAYER

MAPS

• Celship
  • Fixed an issue causing split-screen players to encounter DEV ERROR 12744.

MODES

• Cyber Attack
  • Disabled infil sequences on Skidrow and 6 Star to prevent mixed team spawns.

WEAPONS & ATTACHMENTS

Assault Rifles

• BAL-27
  • JAK Deathmarch Conversion Kit
    • Fixed an issue allowing the Weapon to have infinite reserve ammunition.

Launchers

• Torque 35
  • Corrected the alignment of the optic reticle before it is drawn.

ZOMBIES

GAMEPLAY

• Fixed an issue causing Attachments to be removed from certain Blueprints upon being equipped.

Warzone

GAMEPLAY

• Bunker Busters
  • Attempting to use a Bunker Buster within close proximity of an already active one will display an “Airspace is too crowded” message.

BUG FIXES

• Fixed an issue preventing players from using a Deployable Buy Station more than once.
• Fixed an issue with Utility Boxes not tracking properly in the Social Warzone Rewards Challenge.
• Fixed an issue with the Redeploy Drone Beacon not counting towards “Use 10 Field Upgrades” daily challenge. 

These patch notes come ahead of Season 6, which will be the final update before Treyarch’s Black Ops 6 steals the show.

Speaking of which, Black Ops 6’s second beta weekend begins soon, opening the gates to all players, not just those with early access. So, if you’re planning on diving in, gear up by checking out our guide on the best weapons.

Source: Call of Duty