Minor incident

Buildkite: Delayed notifications

Affected: GitHub Commit Status Notifications, Email Notifications, Slack Notifications, Webhook Notifications

Current status of Buildkite: Operational — live Buildkite status

Timeline

1. Sep 30, 2026, 01:03 UTC
   investigating
   We are investigating delays to build and job notifications for a subset of customers.
2. Sep 30, 2026, 01:19 UTC
   identified
   We've resolved the underlying error, and outbound notifications queues are now in the process of catching up for impacted customers.
3. Sep 30, 2026, 01:43 UTC
   monitoring
   Outbound notification queues have now fully caught up for all impacted customers.
4. Sep 30, 2026, 02:32 UTC
   resolved
   Outbound notification latency remains at expected levels. Some customers may have received duplicate notifications before the underlying error was resolved.

Updates as published by Buildkite (original).