Census change history: Some users unable to log in to Census UI

Some users could not log in to the Census Sync Management UI, seeing "Verify Your Email" and "Something went wrong with your session" errors. Census rated the incident critical; it ran from 2024-04-19 16:23 UTC to 2024-04-19 17:22 UTC (59 min). A fix was implemented at 16:53 UTC, and the incident was resolved.