Yes — though the gap is narrowing. AE has improved in stability, and many major mods (e.g., Address Library , Engine Fixes AE ) now support both versions. However:
✅ (common for mod lists requiring .NET Script Framework or certain DLL‑based mods not updated for AE). ✅ You have a curated mod list built around pre‑AE versions of mods. ❌ Not for casual players – Most users should update Skyrim to AE and grab the latest USSEP. skyrim ussep 1.5.97
modders, November 11, 2021, was the day "the sky fell." The release of the Anniversary Edition (v1.6) Yes — though the gap is narrowing
. It was a time of unprecedented stability. Thousands of mods, especially those relying on the Skyrim Script Extender (SKSE) ✅ You have a curated mod list built
Many users on 1.5.97 use the Best of Both Worlds version of the Downgrade Patcher. This keeps the Anniversary Edition .esm master files (which have new Creation Club content) but downgrades the .exe to 1.5.97.