The version 4.2.5b is the definitive final release specifically designed for Skyrim Special Edition (SSE) runtime 1.5.97 . For many modders, 1.5.97 remains the "golden version" of Skyrim because it offers peak compatibility with foundational SKSE plugins like .NET Script Framework and Grass Cache (NGIO) that have not been updated for the post-2021 Anniversary Edition (AE) updates. Why USSEP 4.2.5b is Essential for 1.5.97
The version of USSEP you need depends entirely on how you handled your game version: skyrim ussep 1.5.97
The USSEP is a comprehensive bug-fixing mod that resolves thousands of issues ranging from broken quests and dialogue typos to mesh errors and save file bloat. The version 4