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langfuse

v3.218.0 Feature

This release adds 2 notable features for engineering teams evaluating rollout.

Published 10d Tracing
✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

analytics autogen evaluation langchain large-language-models llama-index
+12 more
llm llm-evaluation llm-observability llmops monitoring observability openai playground prompt-engineering prompt-management self-hosted ycombinator

Affected surfaces

auth

Summary

AI summary

Updates events, agents, and worker across a mixed release.

Changes in this release

Feature Low

Export eval job configurations in core data S3 export for workers.

Export eval job configurations in core data S3 export for workers.

Source: llm_adapter@2026-07-16

Confidence: high

 —
Feature Low

Force EVENTS export source on events_only self-hosted deployments for blob-storage.

Force EVENTS export source on events_only self-hosted deployments for blob-storage.

Source: llm_adapter@2026-07-16

Confidence: high

 —
Bugfix Medium

Return 404 instead of 500 when deleting a missing dashboard.

Return 404 instead of 500 when deleting a missing dashboard.

Source: llm_adapter@2026-07-16

Confidence: high

 —
Bugfix Medium

Return 400 instead of 500 for invalid callbackUrl in auth.

Return 400 instead of 500 for invalid callbackUrl in auth.

Source: llm_adapter@2026-07-16

Confidence: low

 —
Bugfix Low

Apply score filters to every event stream in events module.

Apply score filters to every event stream in events module.

Source: llm_adapter@2026-07-16

Confidence: high

 —
Full changelog

What's Changed

  • fix(events): apply score filters to every event stream by @sumerman in https://github.com/langfuse/langfuse/pull/14975
  • chore(agents): codify regional-twin tickets and cause-trailer in incident-alert-tickets skill by @niklassemmler in https://github.com/langfuse/langfuse/pull/15164
  • feat(worker): export eval job configurations in core data S3 export by @maxdeichmann in https://github.com/langfuse/langfuse/pull/15167
  • fix(dashboards): return 404 instead of 500 when deleting a missing dashboard by @niklassemmler in https://github.com/langfuse/langfuse/pull/15170
  • feat(blob-storage): force EVENTS export source on events_only self-hosted deployments (LFE-10148) by @niklassemmler in https://github.com/langfuse/langfuse/pull/14928
  • fix(auth): return 400 instead of 500 for invalid callbackUrl by @niklassemmler in https://github.com/langfuse/langfuse/pull/15171

Full Changelog: https://github.com/langfuse/langfuse/compare/v3.217.0...v3.218.0

View diff on GitHub

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About langfuse

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. YC W23

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Related context

Beta — feedback welcome: [email protected]