CircleCI incident: Issues loading pipelines for a small number of projects

Affected components

• CircleCI UI

1. resolvedSep 10, 2026, 20:26 UTC

   This incident has been resolved. A small number of customers who created pipelines between 18:53 UTC and 19:24 UTC that contained config using deprecated config syntax will have seen their build-type jobs fail to start. Customers whose jobs or pipelines failed may rerun them.

2. monitoringSep 10, 2026, 20:25 UTC

   A fix has been implemented and we are monitoring the results.

3. identifiedSep 10, 2026, 20:25 UTC

   A small number of customers may see errors or be unable to load the pipelines page for projects with deprecated-config warnings, when using the classic pipelines view. Customers on the new pipelines view are not affected. We’ve identified the cause and deployed a fix.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in CircleCI's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• Elasticsearch: Replication bug causing slow recoveriesMajor · Sep 1, 2026, 08:16 UTC
• MongoDB Atlas: Impaired Cluster operations in AWS me-central-1 and AWS me-south-1Major · Sep 3, 2026, 16:44 UTC
• Elasticsearch: Elastic Agent enrollment/check-in failures on 9.5.3 (and 9.4.6) with Fleet remote Elasticsearch outputMajor · Sep 9, 2026, 20:44 UTC
• Elasticsearch: Kibana access restored for UI-assigned Organization Owners on Hosted deploymentsMajor · Sep 10, 2026, 01:30 UTC
• HashiCorp Vault: Hashicorp Linux packages GPG key rotationMajor · Sep 10, 2026, 13:24 UTC
• Supabase: Unresponsive ProjectsMajor · Sep 10, 2026, 15:26 UTC
• Anthropic: Degraded functionality for Claude Cowork on WindowsMajor · Sep 10, 2026, 15:54 UTC
• Telnyx: Issues affecting call audio qualityMajor · Sep 10, 2026, 16:00 UTC
• Snowflake: INC20000150Minor · Aug 28, 2026, 00:07 UTC
• Telnyx: Intermittent delays for some outbound messagesMinor · Sep 2, 2026, 21:33 UTC

How often does CircleCI have incidents?

CircleCI reported 22 incidents in the last 90 days, 1 of them major or critical. A typical incident lasted 1h 38m. See CircleCI's uptime and incident history