Outage in GitHub
Incident with Pull Requests
Resolved MajorIncident Report
Summary AI Generated
GitHub experienced a major incident affecting Pull Requests for 3.7 hours, specifically impacting the creation of new pull request threads including line and file comments. While top-level comments, opening, merging, and other pull request operations remained functional throughout the incident, users were unable to create new threaded discussions on code reviews. The issue was resolved through mitigation efforts, with gradual recovery implemented after the root cause was identified.
We are investigating reports of degraded performance for Pull Requests
Components affected
GitHub Pull RequestsTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
about 8 hours ago - at 05/06/2026 07:04PM
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.
INVESTIGATING
about 10 hours ago - at 05/06/2026 05:52PM
Creation of new Pull Request threads (including line and file comments) continues to be affected although we are seeing partial recovery.
A mitigation is being applied to continue to accelerate recovery with complete recovery expected by 8:00pm UTC.
Top-level comments on pull requests still function and should remain usable during recovery. Opening and merging pull requests, actions, and other pull request operations remain functional.
INVESTIGATING
about 11 hours ago - at 05/06/2026 04:20PM
Creation of new Pull Request threads (including line and file comments) continues to be affected.
Top-level comments on pull requests still function and should remain usable during recovery. Opening and merging pull requests, actions, and other pull request operations remain functional.
A mitigation is being applied. Recovery is expected to be gradual, with complete recovery expected by 8:00pm UTC.
INVESTIGATING
about 11 hours ago - at 05/06/2026 04:07PM
Pull Requests is experiencing degraded availability. We are continuing to investigate.
INVESTIGATING
about 11 hours ago - at 05/06/2026 03:55PM
Creation of new Pull Request threads (including line and file comments) continues to be affected. We have identified the cause of the issue and have started taking steps to mitigate this issue.
INVESTIGATING
about 12 hours ago - at 05/06/2026 03:28PM
We are investigating failures for new thread creation on Pull Requests. Responses to existing pull request threads are unaffected.
INVESTIGATING
about 12 hours ago - at 05/06/2026 03:25PM
We are investigating reports of degraded performance for Pull Requests
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