GitHub reported this minor-impact incident on its official status page on Jun 23, 2026, 23:04 UTC. It was resolved after 25 min.
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On June 23, 2026, between 22:45 and 23:29 UTC, GitHub Copilot Completions and Next Edit Suggestions were degraded for users in all regions. During this window, affected users may have seen failed or missing code completions and Next Edit Suggestions. On average about 25% of Completions and Next Edit Suggestions requests failed during the impact window, peaking at roughly 27%. The cause was a configuration change that prevented the Copilot service from obtaining the authentication tokens it needs to reach its model backends; this both failed requests directly and caused the service to temporarily remove backends from rotation. GitHub engineers detected the elevated error rate within minutes, declared an incident, and mitigated the issue at 23:22 UTC by redeploying the service with a known-good configuration, which restored normal operation. As a follow-up, the team disabled the affected authentication path to prevent a future deployment from re-introducing the problem, and is making the
Our 5-minute checks didn't record a change in GitHub's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.
Overlapping incidents aren't necessarily related.
GitHub reported 66 incidents in the last 90 days, 26 of them major or critical. A typical incident lasted 1h 21m. See GitHub's uptime and incident history