Sentry outage on 20 October 2026
Major outageAn email when it goes down, and when it’s back.
“Sentry.io not loading”
On 20 October, Sentry had a major outage in which the Sentry.io dashboard did not load, lasting 3 hours 26 minutes from 18:21 to 21:46 UTC, and the API was also listed as affected from 18:58. Sentry's status page incident ran from 18:20 to 21:38, but its updates said the immediate problem was mitigated by 18:58 and the dashboard and API were operational again by 19:51, with the remaining time spent putting a more durable mitigation in place; the status page did not state a cause. Grammarly, Notion, PointClickCare, Amplitude and Musixmatch also reported problems at the same time.
Sentry’s own incident page ↗- When
- 18:21–21:46 UTC
- How long
- 3 h 26 min
- Incident open on its page
- 18:20–21:38 UTC
- Components affected
- 2
- Sentry, 30 days before
- 3 other outages
What broke when
From Sentry’s own status page: when it moved each component into trouble, and back.
At the same time
Started in the hour before or during it
And 205 lesser-known services. Problems at the same time are a clue, never proof that one caused another.
Timeline
Times in UTC
- Investigating
- Dashboard: partial outage
- API: partial outage
- Dashboard: degraded performance
- API: degraded performance
- Fix in place, monitoring
- Resolved
- Dashboard: back to normal
- API: back to normal
Where this comes from
Stackpulse reads Sentry’s official status page at status.sentry.io every minute. The times above are when it reported the problem; the summary is written from its updates and checked against them.
Stackpulse isn’t affiliated with Sentry. Names and logos belong to their owners.