Substack change history: Elevated Error Rates

Substack reported a major outage with elevated error rates on its websites and mobile application, starting 2024-12-13 16:21 UTC and resolved at 2024-12-13 16:50 UTC (computed duration: 28 min). Services were fully available by 16:28 UTC; listed components included Email delivery, Push Notifications, Subscription invoice processing, Custom domains, Substack.com, Substack publications and Writer dashboards.