Outage in Langfuse
[EU] Elevated delays for Fast (Preview) on non-current SDK versions
Resolved Minor
April 20, 2026 - Started 22 days ago
- Lasted about 4 hours
Incident Report
We're currently observing delays for data in the "Fast (Preview)" mode for users that are not using the latest Langfuse SDK versions. The current delay exceeds 1h and we're actively working through the backlog.
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Latest Updates ( sorted recent to last )
MONITORING
22 days ago - at 04/20/2026 11:11AM
Delays are below 60min again and trending further downwards.
INVESTIGATING
22 days ago - at 04/20/2026 09:10AM
We're currently observing delays for data in the "Fast (Preview)" mode for users that are not using the latest Langfuse SDK versions. The current delay exceeds 1h and we're actively working through the backlog.
Latest Langfuse outages
Errors and latencies on ingestion APIs - 4 days ago
API errors and latencies - 5 days ago
Delayed OTEL ingestion - 7 days ago
[US] Elevated error rates across multiple APIs - 22 days ago
[EU] Elevated OTel Ingestion Delays - 25 days ago
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