STEAMYDATA

Call of Duty®: Modern Warfare® 4 - Beta — patch notes and updates

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Dated developer announcements recorded from Steam. Open the source for the complete update.

UpdateDateExcerpt / source
Modern Warfare 4 Open Beta: Everything You Need to Know2026-08-21Welcome to the biggest Call of Duty®: Modern Warfare® 4 Beta ever!Across two action-packed weekends, experience Modern Warfare® 4's new Multiplayer modes, a playable Campaign mission, expanded movement systems, Ground War: Combat Outpost, Call of Duty®: Warzone™ Resurgence on the brand-new Zodiac map, and extensive Operator and Loadout customization.This article is designed to get you into the action quickly with an overview of every major Beta feature, plus guidance covering the systems, maps, modes, and gameplay mechanics you'll encounter throughout the Beta.NOTE: This article showcases the complete Modern Warfare 4 Beta experience across b
Call of Duty: NEXT and Modern Warfare 4 Early Access Beta - Live Now2026-08-21Join the global Call of Duty community for Call of Duty: NEXT this Friday, August 21, before launching into the Modern Warfare 4 Early Access Beta*. Get your first look at the key content, including maps, modes, weapons, progression, and in-game rewards during Weekend One.
COD: NEXT and Modern Warfare 4 Early Access Beta: Weekend One Initial Intel2026-08-20The countdown to playing Modern Warfare 4 is almost over. Here's your initial intel on how to watch Call of Duty: NEXT, along with pre-loading the Early Access Beta right now, and the Weekend One content waiting when the Call of Duty Beta begins this Friday. Tune in Details: Call of Duty: NEXTJoin the global Call of Duty community for Call of Duty: NEXT, live at 9:00 AM PT on Friday, August 21. Serving as the central command center for Modern Warfare 4, NEXT brings together reveals, developer insights, live gameplay, and creator broadcasts from around the world into one global event.Then, at 11:00 AM PT, the Modern Warfare 4 Beta officially l