Downrightnow
// Incident Post-MortemDRN-A106019D

CircleCI outage on May 31, 2026

Major severityActiveongoingDeveloper
Started · UTC
May 31, 06:16 PM
55m ago
Status
Active
Still ongoing
Duration
ongoing
So far
Peak confidence
80.00
56 snapshots
// User impact

CircleCI users likely saw failed connections, degraded availability, or session instability for this Developer service. The incident reached Major severity and lasted ongoing. The stored report window does not show a preserved user-report spike.

// What happened

CircleCI's official status page is reporting a Partial System Outage. Downrightnow's probes for HTTP, sign-in, and API are all passing, and user reports are quiet, suggesting the outage might be localized or affecting specific functions not covered by these checks.

Cached · Sun, May 31, 2026, 06:18 PM UTC · scope: service signals

// Timeline
  1. Incident detected

    Major confidence crossed the incident threshold for CircleCI: mac jobs failing to start.

  2. Status changed to Partial Outage

    The stored readout moved to Partial Outage with confidence 34.00.

// Signals by source0 sources

No per-source signal payloads were preserved in this incident's snapshot window.

// Aggregate evidence

Confidence scoring

80.00

The incident reached 80.00 peak confidence across 56 stored status snapshots.

User reports

0 / 15m

No elevated user-report volume was preserved in the incident window snapshots.

Status samples

0 affected

The incident row exists, but the bounded snapshot window does not include affected status samples.

Recovery signal

Open

This incident is still open in the incident record and should be treated as ongoing until resolved.