The transition to the 2.31 series of updates focused heavily on the following:
Fallout London: Understanding the "2.31 Revision 275054" Patch patchfalloutlondon231revision275054 patched
If you are seeing errors related to revision 275054 or version 2.31, follow these steps to ensure a clean, patched experience: The transition to the 2
For Steam users, ensure you used the official Fallout London Downgrader . If your version is mismatched, you may need to re-run the downgrader to align your Fallout 4 base files with the mod's requirements. How to Ensure Your Game is Fully Patched
Fixes for the notorious crash that occurs immediately after the intro cinematic. How to Ensure Your Game is Fully Patched
Ensure that the Fallout London master files are at the top of your load order. Even a patched game will crash if minor mods are conflicting with the core revision files. Why "Patched" Status Matters