News & patch notes
MW4 News & Launch Updates
Read dated official launch updates and follow the guide pages affected by each announcement.
October 21: launch patch notes
Infinity Ward published the launch notes on October 21. They cover the map lineup, new modes, Gunsmith adjustments and the Weapon Prestige attachment reset. Read the current patch summary and recheck a planned build before using old beta advice.
October 19: progression and equipment
Official launch explainers described player Prestige choices, weapon progression, camo stages, operators and the arsenal. The weapon directory flags six internal unlock-level contradictions in the equipment article. The progression guide separates player and weapon resets.
October 9: DMZ FOB guide
The official FOB deep dive introduced Orders, storage, crafting and manual-based weapon purchasing. Read FOB systems and starter recipes for the practical reference. This news list records publication dates, not a claim that all features changed on the day a guide was posted.
Sources & version
Source review: October 22, 2026. October 21 patch notes · October 19 progression · October 9 FOB
Search the guide titles and summaries.
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MW4 Patch Notes: October 21 Launch Update
The latest verified launch notes, their effect on weapons and maps, and a separate historical beta archive.
Read guide →MW4 Season 1: Confirmed Plans & Date Status
No exact date was found in checked official sources. Review confirmed Warzone integration, cosmetic toggle and seasonal entitlements.
Read guide →