Skip to content
OutageDeck

Incident detail

Disruption with Copilot Code Review

Resolved incidentMajor

Timeline window

to

Get alerted the next time GitHub breaks

Free email alerts for the handful of vendors you cannot afford to miss. No card, live in about a minute. Paid plans add Slack, Teams, Discord, and webhook delivery across your whole stack, plus higher API quotas.

Set up free alertsHow GitHub alerts work

Timeline

Incident updates

Every update on the official status source, oldest to newest, exactly as it appeared there.

  1. Investigating

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

  2. Investigating

    Some users may be experiencing failures when using Copilot code review. We have identified the root cause and are working on a mitigation.

  3. Investigating

    We are applying the mitigation and expect recovery within approximately 30 minutes.

  4. Monitoring

    The degradation has been mitigated. We are monitoring to ensure stability.

  5. Resolved

    On September 4, 2026, between 20:04 and 22:26 UTC, GitHub Copilot code review experienced an increased failure rate. Affected pull request reviews failed to complete or post review comments.<br /><br />The incident was caused by a change to the service’s authentication permissions that prevented it from submitting affected reviews to the GitHub API. We reverted the change and restored normal operation by 22:26 UTC.<br /><br />We apologize for the disruption.

Keep exploring

More from GitHub

Neighboring incidents on GitHub's timeline and the rest of their record on OutageDeck.

← Older incident

Incident with Grok Copilot AI Model Provider

Newer incident →

Degradation in repos contents API

All GitHub incidentsGitHub live status