BUILDKITE

⚪ Buildkite's job dispatcher developed a sudden appreciation for slowness between 02:30-03:13 UTC—turns out a 'critical query optimization' was actually a critical query pessimization. Someone's feature flag is now permanently flipped to the 'off' position after its wild 43-minute joyride. (Auto-resolved: no updates in 24h)

⏰ Jan 19, 2026 Fixed (for now) spotted via status_rss

// The official story

Increased dispatch latency

// Status page says

Jan 16 , 03:46 UTC Resolved - This incident is now resolved. Jan 16 , 03:42 UTC Monitoring - Between 02:30 UTC and 03:13 UTC we observed an increase in latency dispatching jobs in concurrency groups for some customers. We've identified a code change which modified a critical query in selecting jobs in a concurrency group, and disabled the associated feature fla

🔗 Official status page (for the PR-approved version)

https://www.buildkitestatus.com/incidents/6qp681ppdyqj

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