Outage report · Partial outage

Circle outage on May 28, 2026

Workflows stuck in "In progress" status

SeverityPartial outage

StartedMay 28, 2026, 16:44UTC

ResolvedMay 28, 2026, 20:12UTC

Duration3h 28m

What happened

Circle reported a partial outage starting May 28, 2026, 16:44 UTC, affecting Workflows. It was marked resolved at May 28, 2026, 20:12 UTC.

The incident lasted 3h 28m from first report to resolution.
Circle had reported no other partial or major outages in the 90 days before it.
6 other vendors we track reported a significant incident within 12 hours of it.

Latest update from Circle

## Delays in Asynchronous Actions and Workflows ‌ **Issue Summary** On May 28, 2026, we experienced an incident that caused delays in asynchronous actions and automated workflows. **Timeline \(UTC\)** * **11:29** – The issue began, causing delays in newly scheduled automated workflows. * **15:51** – Our engineering team identified the root cause of the scheduling interruption. * **16:42** – A fix was deployed, restoring normal operations to the background processing framework. * **18:45** – The resulting backlog of delayed tasks was completely cleared and normal service was confirmed. **Root Cause** A routine system update included a software dependency upgrade that unexpectedly conflicted with our background processing framework. This conflict prevented scheduled background jobs from moving into the active processing queue. As a result, automated workflows and other asynchronous actions were delayed, though no underlying data was lost or corrupted during this time. **Resolution*

Read Circle's official incident report ↗