The Fallout 4 Script Extender is currently a very early build and has extremely limited functionality, but its creators promised that many more updates will be coming.

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.

The main problem is that new versions of Fallout 4 typically break Fallout Script Extender compatibility, which is required for most of the most commonly used mods.

“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.