: Addressed various minor crashes and performance stutters introduced in the previous version (1.6.629). Impact on Modding
...your game would refuse to launch. You would see a popup: "You are using a newer version of Skyrim than this SKSE plugin supports." skyrim update 1.6.640
: As with most executable updates, it broke the Skyrim Script Extender (SKSE64) , requiring modders to wait for version 2.2.1 to restore functionality. : Addressed various minor crashes and performance stutters