Incident with Pull Requests: High percentage of 500s
Incident Lifecycle
Incident Timeline
Monitoring
The degradation affecting Pull Requests has been mitigated. We are monitoring to ensure stability.
Mar 31, 2026 at 9:16 PM UTC
Investigating
We continue to see a small subset of repositories experiencing timeouts and elevated latency in Pull Requests, affecting under 1% of requests.
Mar 31, 2026 at 9:12 PM UTC
Investigating
Error rates remain elevated across multiple pull request endpoints. We are pursuing multiple potential mitigations.
Mar 31, 2026 at 7:28 PM UTC
Investigating
We continue to experience elevated error rates affecting Pull Requests. An earlier fix resolved one component of the issue, but some users may still encounter intermittent timeouts when viewing or interacting with pull requests. Our teams are actively investigating the remaining causes.
Mar 31, 2026 at 6:42 PM UTC
Investigating
We identified an issue causing increased errors when accessing Pull Requests. The mitigation is being applied across our infrastructure and we will continue to provide updates as the mitigation rolls out.
Mar 31, 2026 at 5:16 PM UTC
Investigating
We are seeing recovery in latency and timeouts of requests related to pull requests, even though 500s are still elevated. While we are continuing to investigate, we are applying a mitigation and expect further recovery after it is applied.
Mar 31, 2026 at 4:35 PM UTC
Investigating
We are continuing to investigate increased 500 errors affecting GitHub services. You may experience intermittent failures when using Pull Requests and other features. We are actively working to identify and resolve the underlying cause.
Mar 31, 2026 at 4:15 PM UTC
Investigating
We are investigating increased 500 errors affecting GitHub services. You may experience intermittent failures when using Pull Requests and other features. We are actively working to identify and resolve the underlying cause.
Mar 31, 2026 at 3:39 PM UTC
Investigating
We are seeing a higher than average number of 500s due to timeouts across GitHub services. We have a potential mitigation in flight and are continuing to investigate.
Mar 31, 2026 at 3:06 PM UTC
Investigating
We are investigating reports of degraded performance for Pull Requests
Mar 31, 2026 at 3:05 PM UTC
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