The lore articles on the wiki are currently being rewritten in some capacity. If you wish for the most updated information, or knowledge on a specific article, the best place to reach out is in #sim-lore-general on Discord.
Ultraball: Revision history
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.