Fallout 4 Update — Mod Compatibility Status & Broken Mods List

8/18/2026 — Fallout 4 Update - August 18th

🧠 What This Means for Modders

Fallout 4 Update - August 18th — a general update — most mods survive, but check the broken list below. 79 mods flagged as potentially broken below ↓.

📋 Patch Notes

[h3]

Added and Updated Features

  • [/h3][p][b]Game[/b] [/p][list][*][p]Increased the BA2 archive limit from 256 to 1024 to better accommodate larger collections of mods. [/p][/*][*][p]Added localized strings fixes for UI and platform terminology. [/p][/*][/list][p][b]

Creation Kit

  • [/b] [/p][list][*][p]Archives are now supported on PlayStation. New file types (.nif, .dds, .bink, .cdx, .csg, .wav, and .fuz (with embedded .wav)) for PlayStation Creations. [/p][/*][*][p]Bink files can now be added to Creation uploads via an Extra Files browser. [/p][/*][*][p]Added Localization export support. [/p][/*][*][p]Creations up to 2 GB in size can now be uploaded for Xbox. [/p][/*][*][p]Updated "Search and Replace" to align with Starfield, adding buttons for "Select Form in Object Window" and "Open Form Editor."[/p][/*][/list][h3]

Crashes

  • [/h3][p][b]Game[/b] [/p][list][*][p]Fixed a crash when the player opens the Virtual Keyboard on a Steam Deck device. [/p][/*][*][p]Fixed a top crash that would occur due to a streaming audio error. [/p][/*][*][p]Fixed a crash on the Microsoft Store when players enter the Creations menus after resuming internet connectivity. [/p][/*][/list][h3]

Bug Fixes

  • [/h3][p][b]Game[/b] [/p][list][*][p]Exiting out of Search when viewing a specific Creation now properly returns the player to the Details page of that Creation. [/p][/*][*][p]Creations category lists should now return ordered results more consistently. [/p][/*][*][p]Error messages from the Bethesda.
  • Net service now contain error codes that can be provided to Customer Service for investigation. [/p][/*][/list][p][b]

Creation Kit

  • [/b] [/p][list][*][p]Archiving a plugin that uses pre-existing assets in a new form no longer causes the pre-existing assets to be duplicated.  [/p][/*][*][p]Material or Heightmap terrain edits now cause grass to generate properly. [/p][/*][*][p]Running LipGen from the command line or launch argument now properly generates .lip files. [/p][/*][/list][h3]Miscellaneous [/h3][list][*][p]Updated the game credits. [/p][/*][/list]

📄 Read the full patch notes on Steam →

✅ Mods Updated for This Patch (1)

These mods were updated after the patch — safe to use on the current version.

⚠️ Mods That May Be Broken (79)

These native mods may not work until the author updates them. Everything else is unaffected — .esp, texture, and Papyrus-script mods are version-independent and survive patches.

Show all 79
📋 Browse Fallout 4 Mods

↩️ How to Roll Back / Downgrade

Steam console → download_depot 377160 377162 <old manifest> to grab the pre-update exe, copy it back, then disable auto-update.

🕘 Previous Updates

Older Fallout 4 updates — click to read each patch note.