Version 1.6.640 enjoys near-total support. Almost every major mod author updated their work for 1.6.640. When Bethesda pushed version 1.6.1130 (the "December 2023 Disaster"), hundreds of mods broke. By staying on 1.6.640, you remain in the "verified" zone where every tool—from Nemesis to DynDOLOD—works flawlessly.

Released on September 6, 2022, this update was part of the post-Anniversary Edition support cycle. skyrim special edition 16640 verified