[Backfill] US - Incident with Copilot
At a glance · GitHub's status
ResolvedLasted 1 h 23 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 just now
In short
GitHub reported a partial outage affecting GitHub Enterprise Cloud US, starting 14:56 UTC on 23 Feb. GitHub marked it resolved at 16:19 UTC after 1 h 23 min. GitHub has since published a post-incident report.
GitHub says
GitHub's latest update, , in short excerpts.
On February 23, 2026, between 14:45 UTC and 16:19 UTC, the Copilot service was degraded for Claude Haiku 4.5 model.
Timeline
Times in UTC, GitHub's own where it gives them.
23 Feb
GitHubFirst public postFrom GitHub's own incident history, before our archive started.
+1 h 23 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 February 23, 2026, between 14:45 UTC and 16:19 UTC, the Copilot service was degraded for Claude Haiku 4.5 model.
Resolved ·
This incident has been resolved.
Investigating ·
We are investigating reports of degraded performance for Copilot
Last updated