Current patch: EA.1

Last verified: Sep 1, 2026

Release date: Oct 23, 2026

Verified timeline

MW4 updates and patch notes

Dated balance changes, playlist rotations, and fixes linked back to the affected entries. General announcements live in the news archive.

6 patch notes

Latest patch notes

Date	Type	Update	Summary
Aug 30, 2026	Patch	MW4 Beta Patch Notes (August 30): Double XP, Transit 213 24/7, and 6v6 Gunfight	Infinity Ward’s August 30 Open Beta update turns on Double XP and Double Weapon XP at 10 AM PT, adds a Transit 213 24/7 playlist and 6v6 Gunfight on Kill Block, and ships a short Warzone loot and HUD pass.
Aug 29, 2026	Patch	MW4 Beta Patch Notes (August 29): Combat Outpost, Extra Mags, and .50 GS Apex Nerf	Infinity Ward’s August 29 Open Beta update adds Ground War: Combat Outpost on Wolves Stadium and Imjin Farmlands, extra magazines for low-reserve guns, and a heavy nerf to the .50 GS GS Magna Apex.
Aug 28, 2026	Patch	MW4 Beta Patch Notes (August 28): TTK, Tac Sprint Perk, Aim Assist & Every Weapon Tuned	Infinity Ward’s August 28 Open Beta update retunes every weapon for longer TTK, moves Tactical Sprint onto Blood Rush, cuts aim assist and Killstreak costs, and adds Lithium, Hijack, and Zodiac Resurgence.
Aug 27, 2026	Patch	MW4 Beta Patch Notes (August 27): Zodiac Resurgence Open Beta Preview	Infinity Ward’s August 27 MW4 Beta notes preview Warzone Resurgence on Zodiac, live August 28 at 10 AM PT: Default Loadouts only, fuel barrels, SAM Turrets, and no Custom Loadouts. Multiplayer TTK notes come separately.
Aug 24, 2026	Patch	MW4 Beta Patch Notes (August 24): TTK Nerfs on M4, HAN 86, AXION, and More	Infinity Ward’s August 24 MW4 Early Access Beta update raises minimum TTK on the M4, HAN 86, AXION, Kastov 762, PPSh-41, and MAR-9, pulls 10v10 Gunfight until Weekend Two, and ships audio and bug fixes.
Aug 23, 2026	Patch	MW4 Beta Patch Notes (August 23): Lotus, 3v3 Gunfight, and Weapon Nerfs	Infinity Ward’s August 23 MW4 Early Access Beta update adds Lotus, 3v3 Gunfight on Kill Block, and a Transit 24/7 playlist, plus headshot nerfs across the M4, Kastov 762, ISO Nightshade, and more.