Substack experienced a notice incident on January 15, 2026 affecting Substack.com, lasting 14m. The incident has been resolved; the full update timeline is below.
Affected components
Substack.com
Update timeline
- investigating Jan 15, 2026, 12:35 PM UTC
We're currently investigating an issue affecting load times of notes and inboxes
- monitoring Jan 15, 2026, 12:47 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Jan 15, 2026, 12:50 PM UTC
This incident has been resolved.