Incident with Pull Requests

Sep 20 , 23:22 UTC Resolved - On September 20, 2026, between 21:46 and 22:24 UTC the Pull Requests service was degraded and pull request merge and test-merge commits were created late, with delays reaching approximately four minutes at peak. Merge commits were delayed rather than lost. Because some Actions workflow runs start only after a pull request's merge commit is created, a subset of workflow runs for pull request events were also delayed. This was due to a routine repository maintenance job for an unusually large repository consuming nearly all of the memory on a single Git storage ser…

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