Call of Duty: Modern Warfare 4 Patch Notes: Latest Update and Full Patch History

• We have opened up “Performance Mode (120Hz)” for all PlayStation 5 & XBOX Series X|S players with 120hz displays, regardless of VRR support.  For the best experience, VRR is recommended.

Maps

• Four maps join the rotation with Season 1. Backstab takes the fight to a snow-covered town, while Canyon mixes open spaces with natural terrain and elevation. Shoot House returns with its familiar three-lane layout in a new setting, and Kill Block: Crash brings a new featured combo for 6v6 gameplay. Expect additional maps later in the season.
  • Kill Block: Crash (Featured Combo 6v6)
  • NEW Backstab (6v6)
  • NEW Canyon (6v6)
  • Shoot House (6v6)

Modes

Season 1 brings back the Grind mode, where players collect and bank Dog Tags to score, alongside Drop Zone, which puts teams in control of a rotating objective to earn Killstreak drops. 

• Grind
• Drop Zone
• 6v6 modes on Kill Block
• Gauntlet 1v1 (Coming Soon)
  • Feeling confident? Throw down in the ultimate confrontation as 1v1 Gunfight arrives, accessible via the Wager Match Event. Wager your trophies and eliminate the enemy to secure the win. The winning player stays to face another opponent. More Modes Coming at Mid-Season.

New Weapons  

• Cronen Osprey (AR)
  • Precision-engineered for relentless performance, this 5.56 rifle delivers a best-in-class fire rate without sacrificing control, accuracy, or mobility.
• CSG-35 (SMG)
  • Dual-wield akimbo CSG-35 SMGs and trade accuracy for a wave of downrange chaos.

Two additional weapons and several new attachments will join your armory over the course of Season 1.

Weapon Balancing

• Multiple weapons have received changes across all types.

Maps 

Season 1 takes DMZ deeper underground with X01, a newly discovered GRANIT Arms black site accessible through Hajin. Expect a new environment to explore, additional Orders, new threats and equipment, FOB updates, and Events throughout the Season.

• NEW: X01 
  • Added X01, a new DMZ location discoverable within Hajin.
  • Explore the underground facility to discover new areas, threats, and equipment.
  • Added new DMZ Orders tied to X01.
  • Additional X01 intel remains [CLASSIFIED].
• FOB General Update
  • A new 3D Printer. [CLASSIFIED]
  • A new Vendor offering weapons and gear purchasable with DMZ Cash.
  • Updated Boss Board intel, including new Lieutenant and Commander information.

Bug Fixes 

• Fixed an issue where certain Operator variants were not displaying thermal heat signatures.
• Fixed an issue where Lieutenants and Commanders could walk away instead of executing downed players.
• Fixed an issue where Iskra’s (Lieutenant) Screamer Mines did not blind players as intended.
• Fixed an issue where switching from a higher-rarity Armor Vest to a lower-rarity one could cause players to lose equipped Armor Plates.
• Fixed an issue where automatically picking-up Armor Plates could fill empty Secure Case slots.
• Fixed an issue where Lieutenants could play incorrect burning animations when damaged by Molotovs, Sticky Grenade, or Drill Charges.
• Fixed an issue where players could not deploy after viewing DMZ Orders from the Deploy screen.
• Fixed an issue where the Final Exfil plane could fail to appear.
• Fixed an issue where players using Possum could remain suspended in the air after dying inside an Exfil helicopter.
• Fixed an issue where players could encounter a black screen while being revived.
• Fixed an issue where Exfil helicopters could disappear from view.
• Fixed an issue where Threat Meter progression could be delayed or fail to register consistently.

Weapons

• Fixed some issues when viewing Reticles in DMZ Gunsmith.
• Fixed an issue in DMZ where the X-58 Void Apex Attachment was dealing more damage than intended to enemy AI.
• Fixed an issue where the Warlord Lumen Apex Attachment did not work consistently against enemy AI.

Vehicles

• Fixed an issue where attempting to enter a vehicle could prevent players from driving, firing their weapons, or sprinting.
• Fixed an issue where players could be unable to enter a vehicle after eliminating its driver.
• Fixed an issue where vehicle controls could become delayed and vehicle sounds or effects could fail to play correctly.

Progression

• Lowered Weapon XP earned from vehicle kills against enemy AI.
  • Note: XP from Operator kills remains unchanged.
• Fixed an issue where the Chang-san Air Base Story Mission could appear incomplete on the Story Mission map after completion.
• Fixed an issue where Career progression rewards stopped appearing after level 70.
• Fixed an issue where Lieutenant Dog Tags did not count toward Camo Challenge progress.
• Fixed an issue where K9 units (robot dogs) disabled by DDoS did not count toward the Dead Battery Order.

Dog Tags

• Fixed an issue where some information was not recorded correctly on player Dog Tags.

Missions

• Fixed an issue where Lieutenant Hunter would not activate when another squad member interacted with a Lieutenant Tower.
• Fixed an issue where players could become unable to move after using a CCTV station.
• Fixed an issue where the Shopping Hacks mission could require players to unlock the lab door again after already gaining access.
• Fixed an issue where Dead Man’s Cache Dynamic Operation could fail to start at Daesong Ridge.
• Fixed an issue where the required bomb parts could appear in inaccessible locations, preventing players from completing certain Dynamic Operations.
• Fixed an issue where players could be unable to pick up a hostage during Dynamic Operations after joining another squad.
• Fixed an issue where the Exfil helicopter in the Viral Reckoning Dynamic Operation could become stuck in the ground.
• Fixed an issue where players carrying Cash Duffel Bags could have difficulty boarding the Exfil helicopter during Operation Silent Ledger.

Traits

In a previous update, we restricted the use of the Possum Trait so that players could not revive if the squad that killed them was still in the vicinity. This update further restricts Possum by increasing the lockout radius by 2.5x.

• Fixed an issue where Overwatch UAVs could display enemy indicators on the compass even when no players were present.
• Supplied Drops trait now apply to Dynamic Operations crates.
• Increased the Supplied Drops chance to include an extra container from 25% to 50%.
• The enemy squad that killed you now needs to be 2.5x farther away before you can activate Possum.
• Further lengthened the Possum activation failsafe timer from 4 minutes to 5.

Loot and Stash

• Fixed an issue where players could not open or claim Care Packages.
• Fixed an issue where players could not loot a second reward crate when multiple crates landed in the same area.
• Fixed an issue where headgear could be lost when moved out of its Loadout slot.
• Fixed an issue where players could not sell Weak Night Vision Goggles or Night Vision Goggles from their Stash.
• Fixed an issue where players were not given the option to manage their inventory when picking up an Emergency Egress Keycard with a full Backpack.
• Fixed several issues where some loot items could appear inside objects, float above the ground, or become impossible to collect.
• Fixed an issue where weapon icons could appear as white silhouettes in the Stash, Loadout, and Backpack.
• Fixed an issue in DMZ where a player’s Dog Tag would not automatically return to them when the Operator carrying it joined their squad.
• Fixed an issue in DMZ where Encrypted Voice Logs did not spawn consistently.

FOB

• Fixed an issue where the Night Vision Goggles recipe displayed incorrect unlock instructions in the 3D Printer.
• Fixed an issue where the JOKR could not be fired in the FOB Firing Range.
• Fixed an issue where the Astaroth .57 Infiltrator’s Scope appeared differently in the FOB Firing Range compared to gameplay.

Field Upgrades

• Fixed an issue where DDoS did not destroy Screamer Mines that had already been placed.

Lethals

• Fixed an issue where players could not use another Lethal after placing C4 that had not been detonated.

Killstreaks

• Increased Crossfire damage against vehicles, with a larger damage increase against enemy tanks.
• Fixed an issue where Crossfire strikes could miss the selected target area.
• Reduced the range of Bomb Glider target markers to prevent enemy Operators from being highlighted from greater distance than intended.

Audio

• Fixed an issue where Exfil warning announcements could play earlier than intended.
• Fixed an issue where AI grenade fuse sounds could stop before the grenade exploded.
• Fixed an issue where Price could incorrectly identify a friendly Exfil helicopter as an enemy when pinged.
• Fixed an issue where Valeria could incorrectly call out a Self-Revive Kit when players pinged a Med Kit.
• Fixed an issue where Proximity Chat audio effects did not behave correctly.

UI/UX

• Added notifications to the Killfeed when players are downed.
• Fixed an issue where pinned locations could disappear behind the edges of the Tac Map.
• Fixed an issue where Multiplayer stats appeared instead of DMZ stats in the Career menu.
• Fixed an issue where some players could not access the Weapon Builds menu.
• Fixed an issue where some notifications would not appear correctly.
• Fixed an issue where players could not mute other players through the social menu.
• Fixed an issue where assigned player nicknames were not displayed correctly in party invitations and text chat.
• Changed the default text chat channel to Team/Squad in Multiplayer and DMZ.

CHALLENGES

• Corrected several DMZ Camo Challenge descriptions and requirements.
• Fixed an issue where squad events did not count toward DMZ Mastery II Challenge progression.
• Fixed an issue where eliminating AI enemies did not count toward Backstab Event Challenges.

Global

• Fixed an issue where players could not open Recent Matches or where match information was displayed incorrectly. 
• Fixed some issues with replaying matches in Theater.

Stability

• Fixed several stability and crash issues for a better experience across all modes.
• Fixed some stability issues in split screen.
• Fixed some issues when suspending/resuming the game.

Campaign

• Addressed various performance issues in the Campaign.

Weapons

• Fixed an issue where certain Reflex Optics could not be equipped with specific weapon and attachment combinations.
• Fixed an issue where weapon sway did not behave correctly when turning continuously.
• Fixed an issue where releasing a Binary Trigger could cancel a reload.
• Fixed an issue where the Sprint Cancels ADS setting did not work correctly with Variable Zoom Optics.
• Fixed an issue where Toggle Underhand grenade toss did not work when Dedicated Melee Weapon Activation was set to Press Melee.
• Fixed an issue where certain Apex explosive rounds could penetrate surfaces they were not intended to.
• Fixed an issue where Signal 50 Inferno Incendiary Rounds did not interact with smoke as intended.
• Fixed an issue where certain Assault Rifles could experience a delay when reloading an empty Drum Magazine.
• Fixed an issue where Thermal Reticles on Sniper Rifles did not display correctly when using Colorblind filters.
• Fixed issues where certain weapon attachments could appear misaligned while aiming down sights.
• Fixed an issue where the hip-fire reticle was slightly misaligned when using Slug ammunition.
• Fixed an issue where certain optics could appear foggy or excessively dark in Gunsmith previews or while aiming down sights.
• Fixed an issue where weapon stats could display incorrect information when first opening Weapon Select.
• Fixed an issue where certain weapon attachments were missing their Pros, Cons, or descriptions.
• Fixed an issue where attachment conflict warnings were missing for certain Barrels on the Mosin-Nagant, PPSH-41, and Kastov 762.
• Fixed an issue where the Mar-9 Auto Apex Attachment description did not accurately reflect its in-game behavior.

Maps

• Fixed several issues where players could become stuck in certain areas.
• Fixed an issue on Sentry where exterior lights could remain visible through Smoke Grenades and Smoke Walls.
• Fixed an issue on Shipment affecting Loadout selection before a match begins.

Modes

• Fixed an issue that could prevent Hardpoint capture progress from registering while players were in the zone. 
• Fixed an issue in Search and Destroy where players could defuse the bomb from an unintended distance.
• Fixed an issue that prevented players from planting the Hijack spike while airborne. 
• Fixed an issue that could leave players waiting to respawn in Hijack after the spawn delay ended. 
• Fixed several additional issues in Hijack affecting respawns, Spike planting and resets, team spawn locations, and incorrect Data Uploaded stat tracking.
• Fixed an issue that caused the second-round countdown in Gunfight to end too soon. 
• Fixed an issue that could leave the screen black until respawning after skipping a killcam in Kill Block. 
• Fixed several issues in Private Matches affecting Operator customization, lobby information, game rules, available modes, enemy Loadouts, and weapon Camo visuals. 
• Fixed an issue that could cause menus to not function as intended in Combat Outpost matches.

Perks  

• Fixed an issue that caused Birdseye to change players’ Minimap rotation setting. 
• Fixed an issue where Battle Hardened provided complete immunity to Shock Sticks instead of reducing their effects.

Equipment  

• Fixed an exploit that allowed Drones to reach out-of-bounds areas on certain maps.

Tacticals

• Fixed an animation issue with certain Operators holding a Smoke Grenade.

Field Upgrades  

• Fixed an issue that prevented Portable Radar from working in Free-for-All. 
• Fixed an issue that delayed smoke appearing when deploying Smoke Wall on some platforms.
• Fixed an issue that prevented explosions from creating gaps in the Smoke Wall. 
• Fixed an issue where deploying the first Recon Drone could cause map lighting to display incorrectly.

Killstreaks

• Fixed several issues with the Wheelson.
• Fixed an issue that prevented the score callout from appearing for Counter UAV assists. 
• Fixed an issue that caused the Artillery Beacon targeting indicator to appear at low resolution. 
• Fixed an issue that restricted the targeting area for tablet-controlled Killstreaks in Combat Outpost. 
• Fixed an issue where deploying Deathstalker could cause the screen to become darker.
• Fixed an issue where Killstreak targeting controls could respond before the targeting map appeared.
• Fixed an issue where Argonaut kills displayed the incorrect icon in the Killfeed.
• Fixed an issue where Crossfire kills displayed the incorrect icon in the Killfeed.

Vehicles

• Fixed an issue where vehicles could stutter during Killcams.
• Fixed an issue where vehicle destruction effects could disappear unexpectedly.

Audio

• Adjusted infil sequence audio volume on Transit 213.
• Fixed an issue that played the wrong voice line when deploying a Counter UAV. 
• Fixed an issue that caused some gunfire to sound distant when firing near or into a wall. 
• Fixed issues where certain environmental objects were missing impact or destruction sounds.
• Fixed an issue where certain vehicle engines could play at full volume regardless of speed.
• Fixed an issue where armored vehicle engine sounds could stop after driving for an extended period.

UI/UX

• Fixed an issue where the Multiplayer lobby background could display incorrectly after returning to the menu.
• Fixed an issue where subtitles could appear during Operator animations even when subtitles were disabled.
• Fixed an issue where the Motion Sickness Reduction and Visual Support presets did not correctly disable World Motion Blur during Quick Setup.
• Fixed an issue where resetting Third Person Field of View would incorrectly set it to 95 instead of 90.
• Fixed an issue that could cause errors when accessing the Reticle menu in Gunsmith.

Accessibility

• Fixed an issue where Cephable controls did not work in the Training Course.

Miscellaneous

• Fixed an issue that prevented sprays from working while holding the JOKR.
• Fixed an issue that made sprays invisible at minimum graphics settings. 
• Fixed an issue where executions could cause players to move unpredictably during the animation.
• Fixed an issue where Best Play could show the wrong player’s footage if the player who earned it left the match early.
• Fixed an issue where Best Play could display incorrect player levels, Prestige ranks, or rank colors.

UI/Ux

• Improved communication around Shared Attachments (see above) 
• Reduced or eliminated pre-game countdown timers that had been originally intended to give previous generation consoles time to load 
• Added logic to start pre-loading maps earlier to avoid slowdowns waiting for the map to finish loading 
• Gameplay Improvements
  • Reduced blur size on splashes to improve gameplay visibility 
• Gunny
  • Improved the positioning of Gunny tutorials 
  • Reduced the notifications you get about Gunny 
  • Gunny got a facelift! 
• Weapon Builds
  • Weapon Builds were previously automatically saved when players left the Gunsmith, flooding their Build list. Weapon Build saving in Gunsmith is now a manual process. 
  • Weapon Builds edited in-match are now automatically saved. 
• Various minor improvements and fixes to the front end 
• Several hundred bugs. Killed dead.  

AUDIO

• Added missing destruction audio for various destructible objects across Multiplayer maps. 
• Fixed an issue where mounted vehicle turrets were missing audio. 
• Fixed an issue where Heartbeat Sensor pings could become muted underwater. 
• Added audio cues when sending and receiving text messages. 
• Fixed issues causing audio dropouts when using the Assault Drone and Bomb Glider. 
• Adjusted the audio mix and audible distances for the Chopper Gunner and its weapons. 
• Updated Gunship audio to improve the overall Killstreak experience. 
• Improved the Nuke sequence audio mix and fixed issues causing audio dropouts. 

MULTIPLAYER

• Fixed a server crash that could occur during Multiplayer matches. 
• Fixed various visual issues on Cachette. 
• Fixed an issue where the Seeker Drone could incorrectly deploy out of bounds and be destroyed in certain areas of Multiplayer maps. 
• Fixed an issue where the Killstreak counter could reset after using the Argonaut. 
• Fixed an issue where match completion events were not being properly recorded in Multiplayer and DMZ. 
• Spawns have been reoriented around consistent flow and making sure you’re never far from the fight.

DMZ

• Addressed on Oct. 20: 
  • Addressed various crashes and stability issues, including a crash when breaching the door in Breaking New Ground. 
  • Fixed an issue where the After-Action Report could incorrectly display 0 XP earned after a player’s first match. 
  • Fixed an issue where the ISO Apex Attachment would not function as intended in DMZ. 
  • Fixed an issue where players could get double completion credit for story missions. 
  • Fixed an issue where enemy AI could move into unintended areas when a player was downed during Breaking New Ground. 
  • Fixed some instances where enemy AI could run over players while infilling. 
  • Fixed an issue where some Dynamic Operations “find the keypad codes in safes” could appear in locked spaces. 
  • Fixed an issue where only the player who dealt the final blow to a Commander received XP and progress toward the “King Slayer” Calling Card when playing in a squad. 
  • Fixed an issue where the Impact Smokes Pro Trait would not activate when a player was downed. 
  • Fixed some incorrect DMZ Orders description text. 
  • Fixed an issue where shadows could visibly pop in and out when moving around the FOB. 
  • Fixed an issue where the tablet screen could fail to turn on after searching the crashed drone in Breaking New Ground. 
  • Fixed an issue on where a missing prompt could prevent players from progressing the Chemical Denial Dynamic Op at NuriGO Mall on Nintendo Switch 2. 
  • Fixed an issue where the Gunsmith Attachment menu could remain stuck onscreen during deployment. 
  • Fixed an issue where players could not purchase saved Blueprint modifications on Nintendo Switch 2. 
  • Fixed some areas where players could get stuck in the rocks in Hajin.  
  • Fixed an issue where players could not equip an Active Duty Operator in their Showcase. 
  • Fixed an issue where selecting Untrack Recipe with no recipes tracked at the 3D Printer could kick the player out of the FOB. 
  • Fixed an issue where selling starting equipment or dismissing Active Duty Operators with starting equipment equipped before your first deployment could result in a soft lock. 
• Addressed on Oct. 21: 
  • Fixed an error that could occur when opening the Dog Tag Case. 
  • Fixed an issue where the Toxic Intercept Op could incorrectly fail after completing the Defend the Bomb objective. 
  • Fixed a performance issue on PC when holding a Heartbeat Sensor with a weapon equipped. 
  • Fixed an issue where AI enemies could run over players during infiltration in NK Wilderness. 
  • Fixed an issue where Dynamic Operations text could display incorrectly when Menu Text Size was set to Larger or Largest. 
  • Fixed an issue where the Orders rewards section of the End Game Report could appear in low resolution. 
  • Fixed some unintended voice lines during Breaking New Ground. 

CAMPAIGN

• Fixed a progression blocker in the Hotel sequence of Counter Attack.  

WEAPONS

• Fixed an issue where the Firing Range could incorrectly display a 0.00 TTK for the Rezi 12 Shotgun. 
• Added weapon level icons to Melee and Launcher weapons. 

TACTICALS

• Flash and Concussion effective range and duration have been slightly reduced.  

KILLSTREAKS

• UAV health has been increased from 100 to 150, following feedback that UAVs were too easy to shoot down after their health was reduced during the Beta.  
• Wheelson pathing and targeting logic have been reworked to be more aggressive and prevent confusion when targets change quickly.

PERKS

• Battle Hardened will now more effectively negate most of the effects from Tactical grenades like the Flash, Concussion, and Screamer Mine. 
• Resupply has been buffed to provide your first recharge faster. 
• Blood Rush has been updated so that pressing the sprint key automatically triggers Tactical Sprint by default. If you prefer to manage this directly, head towards the Movement Advanced Settings to adjust it.