# Pipedream: Timer-based triggers not running

- Impact (vendor’s label): major
- Status: resolved
- Started: 2023-11-03 21:49 UTC · Resolved: 2023-11-03 22:00 UTC · Duration: 11 min
- Updates: 3 · Affected components: Backend - Workflows - Timer, Workflows - Timer, Backend - Event Sources - Timer, Event Sources - Timer
- [Vendor status page: https://stspg.io/bhnhh6k2jr30](https://stspg.io/bhnhh6k2jr30)
- [Company: Pipedream](https://rewindex.com/company/pipedream.md)

## Summary

Timer-based triggers, including Scheduler and scheduled app triggers, stopped around 21:30 UTC, affecting v1 workflows but not v2. Pipedream classified the outage as major, logged its start at 2023-11-03 21:49 UTC, and resolved it at 2023-11-03 22:00 UTC (computed duration: 10 min) after reverting code that introduced the bug. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2023-11-03 21:49 UTC: Timer-based triggers — like the Scheduler trigger, and other app-based triggers that run on a schedule — stopped running around 21:30 UTC. Our team is investigating and will post updates here.
- **identified** 2023-11-03 21:52 UTC: We've reverted the code that introduced the bug. This also only affects v1 workflow triggers, not those using v2 (the latest version of workflows).
- **resolved** 2023-11-03 22:00 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2023-11-03 21:49 UTC: [Major incident: Timer-based triggers not running](https://rewindex.com/change/icb2a3c77139d3a.md)


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Canonical: https://rewindex.com/company/pipedream/incidents/tprcmkchmz1x · Markdown: https://rewindex.com/company/pipedream/incidents/tprcmkchmz1x.md · JSON: https://rewindex.com/api/v1/companies/pipedream/incidents/tprcmkchmz1x · Generated 2026-10-18T10:30:46.901Z