Incident with Actions and Pull Requests

Timeline

1. 22:56 UTC GitHub status page · Reported Incident with Actions and Pull Requests
2. 22:56 UTC GitHub status page · Investigating We are investigating reports of degraded performance for Actions and Pull Requests
3. 22:57 UTC GitHub status page · Investigating We are investigating elevated delays and timeouts affecting Actions workflow runs triggered by pull request events. 20% of actions runs have delayed starts of more than 5 minutes and up to 4% of runs failed to trigger. We are actively working on mitigation and will provide updates as we learn more.
4. 00:01 UTC GitHub status page · Investigating We've applied mitigations and are seeing recovery in Actions workflow runs and blocked pull request merges. We're continuing to monitor for sustained health of merge commit creates before resolving.
5. 00:25 UTC GitHub status page · Investigating We confirmed full recovery beginning at 23:58 UTC. Actions workflow runs and pull request merges are operating normally. We will now resolve the incident while continuing to monitor service health.
6. 00:26 UTC GitHub status page · Monitoring The degradation affecting Actions and Pull Requests has been mitigated. We are monitoring to ensure stability.
7. 00:26 UTC GitHub status page · Resolved On August 26, 2026, from 21:55 UTC to 23:58 UTC, 2.6% of workflow runs triggered by pull request events were delayed, with the impact rising as high as 25% at its peak. Some users also experienced delays in pull request merge-commit generation, mergeability information, and merge-button availability. Actions and Pull Requests fully recovered by 23:58 UTC; the incident was resolved at 00:26 UTC after normal operation was confirmed. Background jobs that process pull request updates and generate merge commits were impacted by timeouts reaching a single partition of git data. This resulted in a…