Substack experienced a major incident on February 3, 2025 affecting Substack.com, lasting 1h 24m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Feb 03, 2025, 07:25 PM UTC
We are investigating reports of Notes not loading on the Substack homepage.
- investigating Feb 03, 2025, 07:29 PM UTC
We have identified an issue causing increased errors from the Substack web destination as well as the home tab of the Substack app. We are working to resolve.
- identified Feb 03, 2025, 07:37 PM UTC
We have identified the issue and we're working to resolve the errors from the Substack.com home page and Substack app home tab.
- identified Feb 03, 2025, 08:14 PM UTC
We are continuing to work to resolve the increased error rate from the Substack home page and Substack app home tab. Some Substack users may not see Notes in your feed while we work to restore service.
- monitoring Feb 03, 2025, 08:31 PM UTC
We have restored the feed for all users on Substack.com and in the Substack app home tab and have seen error rates subside. We are continuing to monitor.
- resolved Feb 03, 2025, 08:49 PM UTC
This incident has been resolved.