langfuse

v3.181.0 Feature

This release adds 1 notable feature for engineering teams evaluating rollout.

Published 1mo Tracing

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✓ No known CVEs patched

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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, ui, and chore across a mixed release.

Changes in this release

Type	Severity	Summary	CVE
Feature	Low	Adds Claude Fable 5 and Mythos 5 models Adds Claude Fable 5 and Mythos 5 models Source: llm_adapter@2026-06-10 Confidence: high	—
Bugfix	Medium	Fixes infinite rerendering loop in sessions view when translated with Google Translate Fixes infinite rerendering loop in sessions view when translated with Google Translate Source: llm_adapter@2026-06-10 Confidence: high	—
Bugfix	Low	Improves dialog overlays and command menu motion in UI Improves dialog overlays and command menu motion in UI Source: llm_adapter@2026-06-10 Confidence: high	—

Full changelog

Features

feat(models): add Claude Fable 5 and Mythos 5 by @hassiebp in https://github.com/langfuse/langfuse/pull/14136

Fixes

fix(ui): improve dialog overlays and command menu motion by @nkabardin in https://github.com/langfuse/langfuse/pull/14129
fix(ui): sessions view gets into infinite rerendering loop while translated with google translate by @nkabardin in https://github.com/langfuse/langfuse/pull/14036

Chores

refactor(agent): Move in-app agent feature to EE by @bezbac in https://github.com/langfuse/langfuse/pull/14127
chore: move MCP info logs to debug by @Steffen911 in https://github.com/langfuse/langfuse/pull/14146
chore: Allow skipping lint in pre-commit hook by @bezbac in https://github.com/langfuse/langfuse/pull/14118

Full Changelog: https://github.com/langfuse/langfuse/compare/v3.180.0...v3.181.0

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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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