Use this to collect huge merged (or soon-to-be-merged) conformational changes that span several maps so if someone tries to update a map that they're currently working on, they can easily reference this PR list and learn about it for their own maps. We shouldn't have any (red) closed PRs in this list, should consist of only pertinent information.

HUGELY LARGE CHANGES COMING TO A STORE NEAR YOU THIS SUNDAY, SUNDAY, SUNDAY!!!