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Disruption with some GitHub services

At a glance · GitHub's status

ResolvedLasted 29 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 17:45 UTC on 16 Jun. GitHub marked it resolved at 18:15 UTC after 29 min. GitHub has since published a post-incident report.

GitHub says

GitHub's latest update, , in short excerpts.

On June 16, 2026, between 17:20 UTC and 18:15 UTC, the Opus 4.8 model experienced degraded availability in GitHub Copilot.

GitHub,

Read the full update on GitHub's status page

Timeline

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

  1. 16 Jun

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

  2. +30 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 16, 2026, between 17:20 UTC and 18:15 UTC, the Opus 4.8 model experienced degraded availability in GitHub Copilot.

  2. Resolved ·

    This incident has been resolved.

  3. Investigating ·

    The issues with our upstream model provider have been resolved, and Opus 4.8 is once again available in Copilot products and IDE surfaces.

  4. Investigating ·

    The degradation affecting Copilot AI Model Providers and Copilot AI Model Providers has been mitigated.

  5. Investigating ·

    We are experiencing degraded availability for the Opus 4.8 model in Copilot products and IDE surfaces.

  6. Investigating ·

    We are investigating reports of degraded availability for Copilot AI Model Providers and Copilot AI Model Providers

Read the full update on GitHub's status page

Last updated