Statuspage change history: Atlassian Account login issues

Statuspage reported a major Atlassian Account login and signup incident affecting some Cloud customers and web portals, starting 2023-09-13 14:16 UTC and resolved 2023-09-13 19:37 UTC (5 h 21 min). A postmortem attributed sign-in and signup API failures to misconfigured rate limits in an internal service; mitigation restored access.