Disruption with some Copilot services
At a glance · GitHub's status
ResolvedLasted 1 h 15 min
- First posted
- on GitHub Enterprise Cloud data residency status
- Ended
- · marked resolved
- Affects
- GitHub Enterprise Cloud US
- Edited
- Not since we first saw it
- Source
- GitHub Enterprise Cloud data residency status · checked 1 min ago
In short
GitHub reported a partial outage affecting GitHub Enterprise Cloud US, starting 14:12 UTC on 28 Oct. GitHub marked it resolved at 15:28 UTC after 1 h 15 min. GitHub has since published a post-incident report.
GitHub says
GitHub's latest update, , in short excerpts.
On October 28, 2026, between 13:52 and 15:24 UTC, Copilot users saw errors when using several GPT-family models and the MAI Code 1.1 Flash model.
Timeline
Times in UTC, GitHub's own where it gives them.
28 Oct
GitHubFirst public postFrom GitHub's own incident history, before our archive started.
+1 h 15 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 US
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 October 28, 2026, between 13:52 and 15:24 UTC, Copilot users saw errors when using several GPT-family models and the MAI Code 1.1 Flash model.
Resolved ·
This incident has been resolved.
Investigating ·
The degradation affecting Copilot has been mitigated.
Investigating ·
Copilot is experiencing degraded performance.
Investigating ·
We have applied the mitigation and are seeing signs of recovery.
Investigating ·
We are experiencing degraded availability for the GPT-5.3-Codex, GPT-5.6 Luna, GPT-6.1 Sol, GPT-5.6 Terra, GPT-6 Luna, and MAI Code 1.1 Flash models in Copilot products…
Investigating ·
We are experiencing degraded availability for the GPT-5.3-Codex, GPT-5.6 Luna, GPT-6.1 Sol, GPT-5.6 Terra, GPT-6 Luna, and MAI Code 1.1 Flash models in Copilot products…
Investigating ·
We are experiencing issues with upstream model providers resulting in a degraded experience across Copilot services.
Show 1 earlier update
Investigating ·
Last updated