Skyrim+skse+16640+2021 Official
This is why you might want to stay on 1.5.97 (the "pre-AE" build). These mods were never updated past runtime 1.5.97 because their authors quit modding or the source code was lost.
Workaround for 1.6.640 users: You cannot use .NET Script Framework. You must find alternative mods. For grass caching, you now need Grass Cache Fixes (which uses ConsoleUtilSSE NG) instead of No Grass in Objects.
If you are attempting to recreate a setup from this specific era (2021/early 2022) or trying to fix a broken install: skyrim+skse+16640+2021
"Skyrim+SKSE+16640+2021" essentially serves as a digital timestamp of the community's struggle to maintain stability against an official update that threatened to break the modding ecosystem.
To understand the significance of version 1.6.640, we must look at November 11, 2021. This is why you might want to stay on 1
Bethesda released The Elder Scrolls V: Skyrim Anniversary Edition to celebrate the game's 10th birthday. This was not just a simple patch; it was a significant backend update that upgraded the game from version 1.5.97 (the "Special Edition" standard for years) to version 1.6.317 (initial release), which was quickly followed by hotfixes, eventually culminating in the widely referenced 1.6.640 patch (released in early 2022 to fix the "black face" bug and other issues).
This update introduced "Creation Club" content integration and, crucially, updated the game's executable engine. Workaround for 1
Navigate to the SKSE Archives:
Select the correct file:
Installation (Manual or via Mod Manager):
Data contents as a mod, but the EXE/DLLs must be in the root directory.You cannot find 1.6.640 SKSE on the front page of skse.silverlock.org. The main page always shows the latest build (currently for 1.6.1170).