Substack change history: Substack increased latency and error rate

Substack reported a critical incident with increased latency and errors affecting Substack.com, Substack publications, Writer dashboards, and the Substack app. It started at 2024-08-23 17:36 UTC and was resolved at 2024-08-23 19:06 UTC, lasting 1 h 29 min. Substack said it identified the cause but did not disclose it.