app.circle.so is down

Incident Report for Circle

Postmortem

Brief disruption (~1 min) caused by an intermittent application error related to a recent framework upgrade. This did not represent sustained downtime. The root cause (Rails 8.1 regression) was identified and patched on April 9.

Posted Apr 15, 2026 - 20:26 UTC

Resolved

This incident has been resolved.
Posted Apr 05, 2026 - 21:52 UTC

Investigating

We are currently investigating this issue.
Posted Apr 04, 2026 - 21:51 UTC