| Game Version (SkyrimSE.exe) | SKSE Version (Build) | Compatibility Notes | | :--- | :--- | :--- | | | 2.2.3 | Compatible with Anniversary Edition (AE) | | 1.5.97 | 2.0.20 | Compatible with Special Edition (SE) | | 1.6.1130 | 2.2.6 | A later AE update that broke many mods | | 1.6.1170 | 2.2.6 / 2.2.7? | Latest version as of recent updates |
Fortunately, the SKSE team acted swiftly. Bethesda provided early access to the SKSE developers so they could work on compatibility before the public release. Within weeks, SKSE 2.2.3 for version 1.6.640 was available. Mod authors followed suit, gradually updating their DLL-based mods. The (version 8, for all 1.6.x game versions) became the cornerstone of compatibility, allowing mods to reference memory addresses without hardcoding version-specific offsets.
The vast majority of DLL-based plugins (Address Library) were updated to be compatible with this runtime. skyrim+skse+16640+2021
While this guide focuses on the landmark 1.6.640 version from the 2021-2022 era, ensure you check the Nexus Mods page of any SKSE mod to verify if it requires a newer "Address Library" version for later, post-2023 Bethesda updates, as the community often provides compatibility updates for those, too. If you'd like, I can:
Version 1.6.640 was a major update released in September 2022. It is technically a version of , but because it includes the free engine updates from the 2021 Anniversary release, it is often referred to as an "AE" (Anniversary Edition) build. | Game Version (SkyrimSE
, and the "Anniversary Edition" (AE) update cycle of late 2021 represents one of the most critical eras in Bethesda modding history. This specific technical combination serves as a snapshot of the community's struggle to balance official game updates with years of community-made stability. The 2021 Inflection Point: The Anniversary Update The story begins on November 11, 2021 , with the release of the Skyrim Anniversary Edition
The 1.6.640 version represents a pivotal moment in Skyrim modding history: Within weeks, SKSE 2
Knowing this relationship is the single most important step in troubleshooting.