MicrosoftRadar Independent status for Microsoft services

Claude Fable 5 experiencing degraded performance

At a glance · GitHub's status

ResolvedLasted 59 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 21:05 UTC on 16 Jul. GitHub marked it resolved at 22:04 UTC after 59 min. GitHub has since published a post-incident report.

GitHub says

GitHub's latest update, , in short excerpts.

On July 16, 2026, GitHub Copilot users experienced elevated errors when using Claude Fable 5 from 17:33 UTC until mitigation at 22:04 UTC.

GitHub,

Read the full update on GitHub's status page

Timeline

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

  1. 16 Jul

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

  2. +59 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 July 16, 2026, GitHub Copilot users experienced elevated errors when using Claude Fable 5 from 17:33 UTC until mitigation at 22:04 UTC.

  2. Resolved ·

    This incident has been resolved.

  3. Investigating ·

    We are experiencing degraded availability for the Claude Fable 5 model in Copilot products and IDE surfaces.

  4. Investigating ·

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

Read the full update on GitHub's status page

Last updated