The Fallout 4 Script Extender allows those interested to make changes without modifying the Fallout 4 executable files on disk and follows in the footsteps of the Skyrim Script Extender (SKSE ...

The PC-specific update for Fallout 4 broke a number of crucial, long-running mods for the game, including Fallout 4 Script Extender (F4SE), which itself is used by many other mods for compatibility.

Following Fallout 4's next-gen update, mods designed to help players roll it back are garnering a lot of downloads.

“Firstly, it’s almost certainly going to be incompatible with Fallout 4 Script Extender on launch, which will temporarily prevent the use of any mods that require F4SE to function.

According to him, the team can say “with certainty, that systems based on F4SE [Fallout 4 script extender], which for those unaware is the framework behind basically all of the dialogue system ...

As project lead Dean Carter explains in the announcement video below, many Fallout 4 mods, including Fallout London, rely on the Fallout 4 script extender that will almost definitely break when ...

Another tool, the Fallout 4 Script Extender, has also received an updated version, though it does still rely on the Nexus manager to work. This doesn't cover all mods, as the nature of each one ...

As long as you only run it via Fallout 4 Script Extender, that should ensure the game won't auto-update to the new-gen version and potentially nuke your mods.

It's also worth mentioning that the Fallout 4 Script Extender has been updated to be compatible with the latest patch, but the tool still relies on the Nexus Mod Manager to work.

Fallout: London, like many Fallout 4 mods, relies on the Fallout 4 script extender.

In our discussion, it was stated that the main culprit right now is the F4SE, the Fallout 4 Script Extender, a resource modders use to expand scripting capabilities within the game.