Unofficial Skyrim Special Edition Patch 1.5.97
The single biggest reason. Hundreds of essential mods—like .NET Script Framework (used for crash logging and advanced modding), No Grass in Objects , and certain animation frameworks—were never updated for AE. They only run on 1.5.97.
: Some older mods that rely on the Skyrim Script Extender (SKSE) or specific .dll plugins were never updated for version 1.6. Unofficial Skyrim Special Edition Patch 1.5.97
Using USSEP 1.5.97 offers several benefits: The single biggest reason