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Copilot Code Review is unable to complete reviews

ResolvedcriticalOfficial source confirmedFirst recorded update Sep 28, 2026, 09:16 PM · Resolved Sep 28, 2026, 10:08 PM

On September 28, 2026, between 19:23 UTC and 22:08 UTC the Copilot Code Review service was degraded and pull request reviews did not complete in all environments. On average, approximately 70% of requested reviews did not complete. Reviews requested during this window were not automatically retried, and users needed to re-request a review from their pull request. This was due to a change in a dependent service that stopped delivering data Copilot Code Review needs to complete a review. Review completion is an inherently delayed signal, because each review job takes time to start and...

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Updates (4)

  1. Sep 28, 2026, 10:08 PM
    Copilot Code Review is unable to complete reviews

    On September 28, 2026, between 19:23 UTC and 22:08 UTC the Copilot Code Review service was degraded and pull request reviews did not complete in all environments. On average, approximately 70% of requested reviews did not complete. Reviews requested during this window were not automatically retried, and users needed to re-request a review from their pull request. This was due to a change in a dependent service that stopped delivering data Copilot Code Review needs to complete a review. Review completion is an inherently delayed signal, because each review job takes time to start and finish, so

    GitHub ↗
  2. Sep 28, 2026, 10:08 PM
    Copilot Code Review is unable to complete reviews

    Copilot Code review has recovered, for reviews that were previously not successful you can re-request review from your PR.

    GitHub ↗
  3. Sep 28, 2026, 09:23 PM
    Copilot Code Review is unable to complete reviews

    Revert of the impacted change is in flight, expect full recovery once the deployment is done.

    GitHub ↗
  4. Sep 28, 2026, 09:16 PM
    Copilot Code Review is unable to complete reviews

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

    GitHub ↗

What to do next

  • Verify your own services recovered cleanly. Some upstream outages leave queues or caches in a degraded state, run smoke tests before declaring green internally.
  • Save the post-mortem. Vendors usually publish a detailed RCA 1-3 days later. We'll add it to this page when it appears.
  • Watch the provider going forward. Follow GitHub's status feed →

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