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langfuse

v3.208.0 Feature

This release adds 3 notable features for engineering teams evaluating rollout.

Published 18d 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

Summary

AI summary

Updated blob-export default format, refined MCP prompt handling, gated Sev-1/Sev-2 support, fixed web routing and Docker builds, added worker metrics, upgraded ClickHouse client, and adjusted CI analyst access.

Full changelog

What's Changed

Features

  • feat(blob-export): make Parquet the default export format for all projects (LFE-10748) by @niklassemmler in https://github.com/langfuse/langfuse/pull/14880
  • feat(mcp): Improve prompt label handling on creation (don't allow creating prompt with production label directly) by @LysanderKie in https://github.com/langfuse/langfuse/pull/14879
  • feat(support): gate Sev-1/Sev-2 to Enterprise and confirm Sev-1 requests by @jannikmaierhoefer in https://github.com/langfuse/langfuse/pull/14891
  • feat(worker): add eval prompt cache key for open ai calls by @upman in https://github.com/langfuse/langfuse/pull/14742

Fixes

  • fix(docker): disable pnpm verify-deps-before-run in image builds by @hassiebp in https://github.com/langfuse/langfuse/pull/14886
  • fix(monitors): populate trace/observation name filter suggestions (LFE-10659) by @marksalpeter in https://github.com/langfuse/langfuse/pull/14860
  • fix(web): avoid job configurations to reference old templates by @wochinge in https://github.com/langfuse/langfuse/pull/14890
  • fix(web): route tracing onboarding check to events tables in events_only mode by @Steffen911 in https://github.com/langfuse/langfuse/pull/14901
  • fix(otel): treat gen_ai.usage.input_cached_tokens as cache-read alias (LFE-10765) by @niklassemmler in https://github.com/langfuse/langfuse/pull/14902

Chores

  • refactor(agent): Enable more eslint rules by @bezbac in https://github.com/langfuse/langfuse/pull/14847
  • chore(worker): add metric counting score ingestion updates by @niklassemmler in https://github.com/langfuse/langfuse/pull/14887
  • chore(worker): warn on inconsistent provided usage_details totals (LFE-10743) by @niklassemmler in https://github.com/langfuse/langfuse/pull/14875
  • ci: give the runtime analyst a DB test stack and readable charts by @wochinge in https://github.com/langfuse/langfuse/pull/14884
  • perf(clickhouse): prune blob storage cleanup by primary key during trace deletion by @sumerman in https://github.com/langfuse/langfuse/pull/14892
  • docs(experiments): explain baseline runs in compare panel by @marliessophie in https://github.com/langfuse/langfuse/pull/14894
  • chore: bump clickhouse client to 1.23.1 by @Steffen911 in https://github.com/langfuse/langfuse/pull/14686
  • ci: route analyst DB access through --allow-host-service-ports by @wochinge in https://github.com/langfuse/langfuse/pull/14896
  • chore(deps): bump nodemailer to v8.0.11 by @nimarb in https://github.com/langfuse/langfuse/pull/14885
  • ci: pin the analyst chart window to the trailing 7 days by @wochinge in https://github.com/langfuse/langfuse/pull/14898
  • chore(deps): cleanup deps time excludes by @nimarb in https://github.com/langfuse/langfuse/pull/14900

New Contributors

  • @upman made their first contribution in https://github.com/langfuse/langfuse/pull/14742

Full Changelog: https://github.com/langfuse/langfuse/compare/v3.207.0...v3.208.0

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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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Beta — feedback welcome: [email protected]