Activision has published the patch notes for Call of Duty: Modern Warfare 3 and Warzone Season 3.

Going live on all platforms at 9am PT / 12pm ET / 5pm GMT, the update features a host of new content across multiplayer, Zombies and battle royale.

Modern Warfare 3 and Warzone patch notes detail today’s Season 3 update

You can check out the fullModern Warfare 3patch noteshereand the Warzone patch noteshere.

On the multiplayer front, Season 3 includes six new core 6v6 maps, with four available at launch and two arriving mid-season.

Modern Warfare 3 and Warzone patch notes detail today’s Season 3 update

The launch maps include 6 Star, which takes place atop a high-end resort in Dubai, and Emergency, which is set around an Arizonan medical facility on the summit of a remote mountain range.

Growhouse is a re-imagined take on Sphere fromCall of Duty: Vanguard, which sees players fighting around a backwoods narcotics den, while Tanked takes place after hours in Vondel Zoo, cantered around the aquarium and reptile exhibits.

Rebirth Island is coming back to Warzone next week

The mid-season maps are Grime, which is set around a derelict London canal, and Checkpoint, which is based on Rebirth Island’s Stronghold.

New game modes include Capture the Flag and One in the Chamber at launch, with Minefield and Escort arriving mid-season.

Call of Duty Modern Warfare 3 (Xbox Cross-Gen)£47….

In#MW3Season 3, we’ve improved clarity while firing MWII Weapons and added Initial Aim Accuracy to heavy bolt Attachments on Snipers.

Globally, ADS Idle Sway is now a predictable motion, raising the skill ceiling by eliminating randomness and encouraging weapon mastery.pic.twitter.com/iZUluF9BLP

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—Sledgehammer Games(@SHGames)July 04, 2025

Zombies is getting a new story mission, a fresh Dark Aether Rift, and a new Warlord in the form of artillery and demolitions expert Rainmaker.

Call of Duty Modern Warfare 3 (PS5)£7.32£69.99$69….

“Take a chance on Jansen as a full-scale rescue mission is launched after the doctor enters a new and terrifying region of the Dark Aether,”Activisionsays.

Warzone Season 3’s headline addition isthe return of fan favourite map Rebirth Islandalongside Resurgence mode, which let players respawn as long as one of their teammates is still alive.

PS5 DualSense Controller - White£54.95£59.99£64.99…

There’s also a brand-new training mode called Warzone Bootcamp, which takes place on the Urzikstan map.

“Call of Duty: WarzoneBootcamp is a Quad-only training mode (either partied up or fill-squad) providing players a snapshot of the real-deal Call of Duty: Warzone experience, featuring up to 20 players via mode-specific matchmaking and 24 bots to test their mettle,” according to Activision.

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Further reading

“Warzone Bootcamp is the only mode for Call of Duty: Warzone featuring bots. If this changes in the future, we’ll ensure the community is informed ahead of time.”

Rebirth Island was also included asa launch map for Warzone Mobilelast month.

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