Substack experienced a notice incident on November 5, 2025 affecting Push Notifications, lasting 46m. The incident has been resolved; the full update timeline is below.
Affected components
Push Notifications
Update timeline
- identified Nov 05, 2025, 04:52 PM UTC
We are experiencing delays due to a service provider outage.
- monitoring Nov 05, 2025, 05:29 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Nov 05, 2025, 05:38 PM UTC
This incident has been resolved.