Downrightnow
// Incident Post-MortemDRN-4757A80D

GitHub outage on June 4, 2026

Major severityResolved1h 58mDeveloper Tools
Started · UTC
Jun 04, 06:36 PM
3h ago
Resolved · UTC
Jun 04, 08:34 PM
1h ago
Duration
1h 58m
End-to-end
Peak confidence
71.00
111 snapshots
// User impact

GitHub users likely saw failed connections, degraded availability, or session instability for this Developer Tools service. The incident reached Major severity and lasted 1h 58m. The stored report window does not show a preserved user-report spike.

// What happened

Downrightnow's checks show GitHub.com, the GitHub API, and GitHub Login are all passing. User reports are quiet, and there are no active official incidents or vendor status updates.

Cached · Thu, Jun 04, 2026, 08:02 PM UTC · scope: this incident

// Timeline

  1. Incident detected

    Major confidence crossed the incident threshold for GitHub.

  2. Status changed to Recovering

    The stored readout moved to Recovering with confidence 34.00.

  3. Marked resolved

    The incident was closed after 1h 36m of observed impact.

  4. Peak confidence reached

    Confidence peaked at 80.00 while the service was marked Operational.

// Signals by source1 sources
  • Official status

    Www.Githubstatus.Com reported an open incident, Copilot Code Review Failing · impact: critical

    06:37 PM UTC
// Aggregate evidence

Confidence scoring

71.00

The incident reached 71.00 peak confidence across 111 stored status snapshots.

User reports

0 / 15m

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

Status samples

58 affected

58 snapshots in the window showed degraded, recovering, or major-outage state before recovery.

Recovery signal

Resolved

Recovery was recorded at Thu, Jun 04, 2026, 08:34 PM UTC.