Rootly change history: Intermittent Failures with User Sign In and Incident Creation

Rootly reported a major incident causing intermittent sign-in and incident-creation failures across Slack, Web, and API; Rootly On-Call remained unaffected. It started at 2024-04-01 14:53 UTC and resolved at 2024-04-01 15:19 UTC, lasting 25 min. Rootly reported implementing a fix but did not disclose the cause; an RCA was promised to customers.