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 Australia
- 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 Australia, 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.
Timeline
Times in UTC, GitHub's own where it gives them.
16 Jul
GitHubFirst public postFrom GitHub's own incident history, before our archive started.
+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.
First version we captured ·
As first seen: postmortem · 1 service
- Status
- postmortem
- Services
- GitHub Enterprise Cloud Australia
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.
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.
Resolved ·
This incident has been resolved.
Investigating ·
We are experiencing degraded availability for the Claude Fable 5 model in Copilot products and IDE surfaces.
Investigating ·
We are investigating reports of degraded performance for Copilot AI Model Providers
Last updated