langfuse

v3.202.0 Feature

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

Published 27d Tracing

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✓ 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

Updates Chores, blob-export, and worker across a mixed release.

Full changelog

What's Changed

Features

feat(v4): load migration timelines asynchronously by @maxdeichmann in https://github.com/langfuse/langfuse/pull/14599
feat(credentials): generic short-lived credential interface and refresh manager by @Oscmage in https://github.com/langfuse/langfuse/pull/14325
feat(agent): Allow deleting conversations by @bezbac in https://github.com/langfuse/langfuse/pull/14587

Fixes

fix(worker): measure Parquet upload-wait via byte-counter backpressure (LFE-10463) by @niklassemmler in https://github.com/langfuse/langfuse/pull/14561
fix(trace): let the peek keep both panels open (horizontal scroll) instead of force-collapsing (LFE-10550) by @nkabardin in https://github.com/langfuse/langfuse/pull/14603
fix(blob-storage): buffer Azure Blob downloads before decoding to UTF-8 by @kurosawa-gao in https://github.com/langfuse/langfuse/pull/14504
fix(blob-export): tag ClickHouse export queries with surface and route by @niklassemmler in https://github.com/langfuse/langfuse/pull/14619
fix(worker): emit blob export stage timing on failures (LFE-10441) by @niklassemmler in https://github.com/langfuse/langfuse/pull/14624

Chores

docs(agents): quote shell paths in commands by @wochinge in https://github.com/langfuse/langfuse/pull/14602
chore(model-price-bot): add openai pricing page by @hassiebp in https://github.com/langfuse/langfuse/pull/14620
chore(pricing): update default model prices by @langfuse-bot in https://github.com/langfuse/langfuse/pull/14607
chore(model-price-bot): update pricing URL by @hassiebp in https://github.com/langfuse/langfuse/pull/14622
chore(blob-export): add chSendTimeout ClickHouse export tuning by @niklassemmler in https://github.com/langfuse/langfuse/pull/14625
chore(blob-export): cap chSendTimeout at 600s to match HTTP timeout by @niklassemmler in https://github.com/langfuse/langfuse/pull/14626

New Contributors

@kurosawa-gao made their first contribution in https://github.com/langfuse/langfuse/pull/14504
@Oscmage made their first contribution in https://github.com/langfuse/langfuse/pull/14325

Full Changelog: https://github.com/langfuse/langfuse/compare/v3.201.1...v3.202.0

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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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