GitHub incident

Disruption with Copilot Cloud Agent and Copilot Code Review

Critical Resolved View vendor source →

GitHub experienced a critical incident on May 28, 2026 affecting Copilot, lasting 1h 40m. The incident has been resolved; the full update timeline is below.

Started
May 28, 2026, 07:01 PM UTC
Resolved
May 28, 2026, 08:41 PM UTC
Duration
1h 40m
Detected by Pingoru
May 28, 2026, 07:01 PM UTC

Affected components

Copilot

Update timeline

  1. investigating May 28, 2026, 07:01 PM UTC

    We are investigating reports of impacted performance for some GitHub services.

  2. investigating May 28, 2026, 07:20 PM UTC

    Copilot is experiencing degraded performance. We are continuing to investigate.

  3. investigating May 28, 2026, 07:40 PM UTC

    We are investigating errors with Copilot requests using OpenAI models

  4. investigating May 28, 2026, 08:06 PM UTC

    Open AI models are currently unavailable. We are shifting requests to other models to reduce impact.

  5. resolved May 28, 2026, 08:41 PM UTC

    This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.