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Infinity Ward pushed a patch into the Modern Warfare 4 beta on Saturday, August 22, and it adds a new map called Cachette, a cash-based mode called Inflation, and finally turns on map voting. If you played the first beta weekend and are coming back for the open beta on August 28, this is everything that changed, everything that got nerfed, and the one big problem Infinity Ward admitted it hasn’t fixed yet.

En resumen

  • August 22 patch added the Cachette map and the Inflation game mode, pushing the beta to four maps total
  • Map voting is now on because the beta finally hit the four-map threshold Infinity Ward said it needed
  • Frangible ammo, the ISO Nightshade and the Oris 8.6 all got toned down, and enemy footsteps are quieter
  • Daily challenges can now be rerolled and Transit 213 got a visibility pass
  • Infinity Ward confirmed spawn logic needs work across every map and mode but gave no fix date

What changed in the MW4 beta update on August 22

The short version: Infinity Ward shipped a patch at 10am PT on Saturday, August 22 that added a new map and mode, turned on map voting, and quieted down footstep audio in response to day-one complaints. Infinity Ward’s official patch notes and outlets covering the beta, including PC Gamer and PCGamesN, confirmed the same list of changes.

The new map is Cachette, a core 6v6 arena set in an abandoned wine warehouse and mechanic’s garage on the outskirts of a French rail terminal. The new mode is Inflation, where you eliminate enemies to collect cash and defeat HVT Operators to steal the funds they’re carrying, with the richest players in the match marked as HVTs for everyone to hunt, and surviving long enough racks up increased cash multipliers. Map voting also went live, and it’s connected directly to Cachette’s arrival, since a full breakdown of all four maps and modes in the beta is worth checking if you haven’t kept track of the rotation.

Every change in the MW4 beta patch notes, in one table

Here’s the full list of what moved on August 22, condensed into one table. On the cards for this initial update are a couple of weapon nerfs, a reduction in footstep sounds, improved visibility on Transit 213, map voting, and the new Inflation game mode.

Note

This looked like a server-side patch rather than a client download, meaning most of these changes applied without a separate file to install.

If you’re running the Razor conversion on the Oris 8.6, the nerf ties directly into how that weapon’s apex conversion works, which is covered in more detail in a guide on weapon progression and Apex attachments for anyone reworking a loadout before the next weekend.

What changedWas → NowWho it affects
Map count / map voting3 maps, no voting → 4 maps, voting enabledEveryone in Quick Play
CachetteAdded to rotationCore 6v6 players
InflationNew mode addedAnyone trying the cash-based objective mode
Enemy footstep audioReduced the distance at which enemy footstep and gear audio can be heard, and decreased overall volumeAnyone who complained about hearing footsteps too easily on day one
Frangible ammoSlow duration reduced by 26.8%, slow magnitude reduced by 21.4%Players using or facing Frangible rounds
ISO NightshadeMore damage falloff at further ranges, and a slightly reduced headshot multiplierAnyone who leaned on the SMG that stood out early
Oris 8.6Shorter initial range before damage falls off, lowered headshot multiplier, and the Razor attachment now has a longer delay between throwsMarksman rifle users running the Razor Apex attachment
Daily challengesEnabled the ability to reroll Daily ChallengesAnyone stuck with a challenge they don't want
Transit 213 visibilityBrightened shadowed areas and adjusted overall color balanceAnyone who found the map too dark
Spawn logicAcknowledged as broken across all maps and modes, work ongoing, no timeline givenEveryone, on any map
Call Of Duty Modern Warfare 4 — in-game screenshot

What it means for players returning on August 28

The open beta runs from August 28 at 10:00 AM PT through September 1 at 10:00 AM PT, and unlike the first weekend, it’s open to anyone rather than gated behind a pre-order or code — worth knowing if the first weekend’s access routes weren’t an option for you. That means the loadout you built on day one of the early access weekend will feel different: Frangible ammo is less punishing, the ISO Nightshade and Oris 8.6 won’t dominate engagements the way they reportedly did, and you’ll hear enemies from a shorter range than before. None of this is small — a footstep and TTK adjustment this early usually reshapes which guns people actually run.

4maps now in the beta
26.8%less Frangible slow duration
21.4%less Frangible slow strength

Progression and unlocks from the first weekend are a separate question from these balance changes, and it’s worth checking how beta rewards carry between the two test windows before assuming anything transfers automatically.

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Infinity Ward has confirmed spawn placement and logic need work across every map and every mode in the beta, and said only that it’s working on it — no fix date has been given, so expect the same spawn complaints from weekend one to still show up on August 28.

Our Take: Is Infinity Ward actually listening

Nuestra opinión

Shipping a balance patch mid-weekend is a good sign, but it doesn’t erase the spawn problem sitting untouched.

Nerfing Frangible, the ISO Nightshade and the Oris 8.6 less than 24 hours into a beta shows Infinity Ward is actually reading feedback instead of sitting on it until October. That’s worth crediting. But naming Cachette and Inflation as new content is easy compared to fixing spawn logic, and the studio being upfront that it’s still working on that with no timeline is the more important line in the whole update. Whether it lands before October 23 is genuinely unclear right now.

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FAQ

What's new in the MW4 beta update from August 22?
The patch added the Cachette map, the Inflation mode, turned on map voting now that four maps exist, reduced enemy footstep volume and range, nerfed Frangible ammo, the ISO Nightshade, and the Oris 8.6, added a daily challenge reroll, and improved visibility on Transit 213.
Do I need a beta code for the August 28 MW4 weekend?
The early access beta ends on August 25, with a second, open beta arriving on August 28, which also lets players get hands-on with the latest iteration of Warzone alongside multiplayer modes and the playable campaign mission. Being an open beta means it isn't restricted to pre-order codes the way the first weekend was.
Has Infinity Ward fixed the spawn problems in the MW4 beta?
No. Infinity Ward has acknowledged spawn placement and logic need adjustment across every map and mode in the beta but has only said it's working on it, with no fix date announced.
Will the ISO Nightshade and Oris 8.6 nerfs carry into the full MW4 release?
That's unclear. These are beta balance changes, and Infinity Ward has said it will continue working on the beta throughout its runtime, so further patches may be waiting in the wings before the October 23 launch. Treat any beta-stage numbers as provisional, not final.
What is the Inflation mode in Modern Warfare 4?
Inflation tasks players with eliminating enemies and defeating HVT operators to collect cash, with the richest players becoming marked targets for everyone else to hunt. Surviving to Overtime increases the cash multiplier for whoever is still standing.
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