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Sentry: Notification delivery

Affected components: Notification Delivery - PagerDutyNotification Delivery - SlackNotification Delivery - EmailNotification Delivery - Microsoft Teams

Timeline of updates

1. investigating2026-06-11 09:50 UTC

   We're currently investigating degraded notification delivery.

2. investigating2026-06-11 10:53 UTC

   We are continuing to investigate the degraded notifications.

3. investigating2026-06-11 11:51 UTC

   We are continuing to investigate the degraded notifications.

4. monitoring2026-06-11 13:13 UTC

   Notifications delivery is now close to fully functional in US and DE. We have identified the root cause as caused by one of our cloud providers, and are closely monitoring the situation.

5. monitoring2026-06-11 13:23 UTC

   We have identified an issue with one of our cloud providers that might have caused some alert notifications to not fire starting at around 4:00 AM GMT+2. Since around 1:30 PM GMT+2, alert notifications are now fully operational in the US region, while delivery is still partially degraded in the EU region.

6. monitoring2026-06-11 14:18 UTC

   The issue involving some alerts not firing has been mitigated. We will continue to monitor the situation to ensure it does not reoccur.

7. resolved2026-06-11 14:48 UTC

   This issue has been resolved.

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). Sentry profile · Recent Sentry incidents · Markdown · JSON