This specific version (1.6.323) is often sought by players who want to "freeze" their game at a certain point to maintain compatibility with specific mods before later updates (like 1.6.640 or 1.6.1130) broke various plugins.

: Updates to the underlying framework that handles the "Anniversary Upgrade" content (the 74+ Creation Club mods included in AE).

: Patches for bugs introduced in the initial Anniversary Edition rollout.