User blog comment:MisterWoodhouse/The first migrations to the Unified Community Platform/@comment-6141641-20201113164700/@comment-1038387-20201114174609

The script was made by Ultimate Dark Carnage, and is a barebones recreation of the functionality. Fandom dropped the feature, it's unlikely they'll change anything about it. Be thankful with what you have, you wouldn't have had it without Carnage.