Fallout 4 update breaks mods despite August 18, 2026 improvements

The Fallout 4 update released on August 18, 2026 quadruples the mod archive limit but makes some mods incompatible. Modders, already wary, denounce another disruption to their setups.

An update that changes the game… and breaks mods

Bethesda rolled out a major update for Fallout 4 on PC, Xbox, and PlayStation on August 18, 2026. Its main change: the BA2 archive limit — compressed files containing textures, 3D models, or sounds for mods — increases from 256 to 1,024. A significant step for players who accumulate hundreds of mods, often facing crashes at launch or in the Creations menu (Bethesda’s officially approved mods).

However, this update is not without consequences. Despite the increased archive limit, the active plugin limit (files .esp or .esm) remains capped at 255. Moreover, Bethesda acknowledges that some mods are no longer compatible after the patch. The studio even recommends that players manually back up their load order before applying the update, then re-download their entire Creations list to avoid unpleasant surprises.

Players frustrated by repeated updates

The Fallout 4 modding community, accustomed to disruptions caused by updates, reacted with frustration. Several players expressed their weariness on social media, arguing that Bethesda should stop modifying a game released in 2015.

• “I think Bethesda should leave Fallout 4 alone at this point”
• “I’m really tired of my mods breaking because you can’t make new games and won’t stop breaking the ones people love”
• “Oh no, another update to break my mods and introduce even more bugs”

These reactions fit into a context where every Bethesda update, even minor ones, is met with skepticism by modders. The latest one, despite its improvements, is no exception.

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A patch that paves the way for future Creations

Beyond increasing the BA2 archive limit, this update aims to secure mod lists and lay the groundwork for future Creations. It also fixes targeted bugs, such as the virtual keyboard opening on Steam. On consoles, it now allows the use of custom assets for mods, a long-requested feature by players.

A BA2 archive is a compressed file that groups a mod’s resources (textures, 3D models, sounds). The Creations are mods officially approved and distributed by Bethesda through its ecosystem.

While this update offers more flexibility to modding players, it also confirms a trend: every Bethesda patch, even well-intentioned, risks breaking existing setups. For mod enthusiasts, caution remains essential.

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