Outage in GitHub
Incident with Pull Requests and Issues
Resolved MinorIncident Report
Summary AI Generated
GitHub experienced a 27-minute incident where Pull Requests, Issues, and Search were returning 500 errors, preventing users from loading pages or creating pull requests. The root cause was a database index hint referencing an index removed by a recent migration, causing query failures. The issue was resolved by disabling the problematic configuration, with full recovery confirmed shortly after.
We are investigating reports of degraded performance for Issues and Pull Requests
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Latest Updates ( sorted recent to last )
RESOLVED
1 day ago - at 08/12/2026 04:41PM
This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.
MONITORING
1 day ago - at 08/12/2026 04:38PM
We identified the source of errors affecting Pull Requests, Issues, and Search on GitHub.com and have applied a mitigation. A database index hint was referencing an index that had been removed by a recent migration, causing query failures for some users. We disabled the problematic configuration and are seeing recovery across affected services. We are continuing to monitor to confirm full resolution.
MONITORING
1 day ago - at 08/12/2026 04:35PM
The degradation affecting Issues and Pull Requests has been mitigated. We are monitoring to ensure stability.
INVESTIGATING
1 day ago - at 08/12/2026 04:24PM
We are investigating reports of errors affecting Pull Requests and Issues on GitHub.com. Some users may encounter 500 errors when loading pull request and issue pages. Our engineering teams are actively investigating the root cause, which appears to be related to a database infrastructure issue. We will provide an update as soon as we have more information.
INVESTIGATING
1 day ago - at 08/12/2026 04:16PM
We are investigating reports of degraded performance for Issues and Pull Requests
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