The 2025 "Anniversary Update" changed the game's executable file, which initially broke many legacy tools and the . While F4SE has since been updated, new save editors have emerged that are more resilient to Bethesda’s patches and offer better support for modern hardware like the Steam Deck.
: Tools like the Savegame Script Editor on Nexus Mods parse the Papyrus scripting layer of your save. It allows advanced users to strip out corrupted data packages that natively cause crashes after major official game patches. 3. FO4Edit (xEdit) fallout 4 save editor pc new