Resolved · lasted 11 h
Slack outage on October 21
Reports for Slack jumped to 33 an hour and stayed high for 11 h.
- Started
- 5:00 PM
- October 21, 2026 · UTC
- Back to normal
- 4:00 AM
- 11 h later
- Peak
- 33/hr
- 11× normal
- Slack’s incident
- —
- Nothing posted
Reports during the outage
3:00 PM5:50 AM UTC
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