# Langfuse: Longer v3 -> v4 propagation delay

- Provider: [Langfuse](https://outages.live/langfuse.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-08-19 12:36 UTC
- Resolved: 2026-08-19 15:10 UTC (lasted 2 h 34 min)
- Official update: https://status.langfuse.com

## Updates from Langfuse

### resolved, 2026-08-19 15:10 UTC

Back to normal propagation delay

### monitoring, 2026-08-19 13:19 UTC

Latest major SDK versions are not impacted. Find upgrade docs [here](https://langfuse.com/docs/observability/sdk/upgrade-path).

### monitoring, 2026-08-19 10:30 UTC

We have scaled our database infrastructure to match the throughput demand