Copilot Code Review Failing

At a glance · GitHub's status

ResolvedLasted 1 h 56 min

First posted
on GitHub Enterprise Cloud data residency status
Ended
· marked resolved
Affects
GitHub Enterprise Cloud EU
Edited
Not since we first saw it
Source
GitHub Enterprise Cloud data residency status · checked just now

In short

GitHub reported a partial outage affecting GitHub Enterprise Cloud EU, starting 18:02 UTC on 4 Jun. GitHub marked it resolved at 19:59 UTC after 1 h 56 min. GitHub has since published a post-incident report.

GitHub says

GitHub's latest update, , in short excerpts.

On June 4, 2026, from 17:30 UTC to 18:55 UTC, Copilot Code Review experienced elevated failures for review requests on GitHub.com.

GitHub,

Read the full update on GitHub's status page

Timeline

Times in UTC, GitHub's own where it gives them.

  1. 4 Jun

    GitHubFirst public postFrom GitHub's own incident history, before our archive started.

  2. +1 h 57 min

    GitHubResolved

What GitHub changed

GitHub adds updates to its incidents. We save every version (checked every minute) and list what changed. Quotes are short excerpts. The full text is on GitHub's page.

One version so far. If GitHub edits it, each change shows here with what was removed and added.

  1. First version we captured ·

    As first seen: postmortem · 1 service
    Status
    postmortem
    Services
    GitHub Enterprise Cloud EU

    Seen by us · GitHub's timestamp · GitHub's page

Affected services

Official updates

Posted by GitHub Enterprise Cloud data residency status, newest first. The newest are quoted in their first sentence; the full text of each is on GitHub's page.

  1. Post-incident report ·

    On June 4, 2026, from 17:30 UTC to 18:55 UTC, Copilot Code Review experienced elevated failures for review requests on GitHub.com.

  2. Resolved ·

    This incident has been resolved.

  3. Investigating ·

    This issue is now fully resolved and Copilot Code Review is working as expected.

  4. Investigating ·

    The mitigation for Copilot Code Review is now fully deployed, and new reviews are working as expected.

  5. Investigating ·

    The degradation has been mitigated.

  6. Investigating ·

    The mitigation for Copilot Code Review is now fully deployed, and new reviews are working as expected.

  7. Investigating ·

    The mitigation for Copilot Code Review is rolling out and we are seeing early signs of recovery.

  8. Investigating ·

    We have identified that Copilot Code Review users may see "Copilot ran into an error" on Pull Requests that requested Copilot Code Review.

  9. Investigating ·

    We have identified that Copilot Code Review.

Show 1 earlier update
  1. Investigating ·

Read the full update on GitHub's status page

Last updated