Prefect Horizon incident

Hosted server builds are delayed

Minor Resolved View vendor source →
Started
Apr 15, 2026, 12:20 PM UTC
Resolved
Apr 16, 2026, 12:17 AM UTC
Duration
11h 57m
Detected by Pingoru
Apr 15, 2026, 12:20 PM UTC

Affected components

Horizon: Builds (Builds)

Update timeline

  1. investigating Apr 15, 2026, 12:20 PM UTC

    Build system is experiencing delays kicking off jobs. This impacts Hosted servers; external connectors and Remixes are unaffected. Request serving is also unaffected Engineering team is investigating

  2. resolved Apr 16, 2026, 12:17 AM UTC

    Background job system is caught up, and Hosted server builds should be triggered normally

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