Resolved · lasted 1 h
Substack outage on October 21
Reports for Substack jumped to 10 an hour and stayed high for 1 h.
- Started
- 6:00 PM
- October 21, 2026 · UTC
- Back to normal
- 7:00 PM
- 1 h later
- Peak
- 10/hr
- 10× normal
- Substack’s incident
- —
- Nothing posted
Reports during the outage
4:00 PM8:50 PM UTC
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