langfuse

v3.182.0 Breaking

This release includes 1 breaking change for platform teams planning a safe upgrade.

Published 1mo Tracing

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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

ReleasePort's take

Light signal

editorial:auto 1mo

LangFusion v3.182.0 adds a trace delete button to the events table and hardens media database writes for reliability.

Why it matters: Severity 40 bugfixes improve data durability in the media module; developers and SREs should monitor write success rates after upgrade.

Summary

AI summary

Updates Fixes / Chores, chore, and monitors across a mixed release.

Changes in this release

Type	Severity	Summary	CVE
Feature
Feature	Low	Adds trace delete button to events table. Adds trace delete button to events table. Source: llm_adapter@2026-06-10 Confidence: high	—
Feature	Low	Unifies keyboard shortcut keycaps across UI. Unifies keyboard shortcut keycaps across UI. Source: llm_adapter@2026-06-10 Confidence: high	—
Feature	Low	Expose unstable evaluator and evaluation-rule tools in MCP. Expose unstable evaluator and evaluation-rule tools in MCP. Source: granite4.1:30b@2026-06-10-audit Confidence: low	—
Bugfix
Bugfix	Medium	Hardens media database writes for reliability. Hardens media database writes for reliability. Source: llm_adapter@2026-06-10 Confidence: high	—
Bugfix	Medium	Corrects Slack alert formatting in monitors. Corrects Slack alert formatting in monitors. Source: llm_adapter@2026-06-10 Confidence: high	—
Bugfix	Medium	Coerces string‑typed metric values in live preview chart. Coerces string‑typed metric values in live preview chart. Source: llm_adapter@2026-06-10 Confidence: high	—
Bugfix	Medium	Clarifies v3 scores field groups and notes v4 removal. Clarifies v3 scores field groups and notes v4 removal. Source: llm_adapter@2026-06-10 Confidence: high	—
Bugfix	Medium	Prevents PUT role downgrade in SCIM and audits membership mutations. Prevents PUT role downgrade in SCIM and audits membership mutations. Source: llm_adapter@2026-06-10 Confidence: high	—
Bugfix	Medium	Resolves recent conversations styling issues in agent UI. Resolves recent conversations styling issues in agent UI. Source: llm_adapter@2026-06-10 Confidence: high	—
Bugfix	Low	Scope observation evaluation jobs by trace. Scope observation evaluation jobs by trace. Source: granite4.1:30b@2026-06-10-audit Confidence: low	—
Refactor	Low	Splits scores v3 back into scores-v3.yml to avoid SDK group breakage. Splits scores v3 back into scores-v3.yml to avoid SDK group breakage. Source: llm_adapter@2026-06-10 Confidence: high	—
Other	Low	Removes unnecessary score log line. Removes unnecessary score log line. Source: llm_adapter@2026-06-10 Confidence: low	—

Full changelog

What's Changed

Features

feat(mcp): expose unstable evaluator and evaluation-rule tools by @wochinge in https://github.com/langfuse/langfuse/pull/14113
feat(traces): Add trace delete button to events table by @bezbac in https://github.com/langfuse/langfuse/pull/14079
feat(ui): unify keyboard shortcut keycaps by @nkabardin in https://github.com/langfuse/langfuse/pull/14164

Fixes / Chores

chore: remove unnecessary score log line by @Steffen911 in https://github.com/langfuse/langfuse/pull/14147
fix(media): harden media database writes by @hassiebp in https://github.com/langfuse/langfuse/pull/14137
fix(agent): Recent conversations styling issues by @bezbac in https://github.com/langfuse/langfuse/pull/14148
fix(evals): scope observation eval jobs by trace by @hassiebp in https://github.com/langfuse/langfuse/pull/14124
chore: update license copyright year to include 2026 by @wochinge in https://github.com/langfuse/langfuse/pull/14151
fix(monitors): correct Slack alert formatting by @marksalpeter in https://github.com/langfuse/langfuse/pull/14132
fix(monitors): coerce string-typed metric values in live preview chart by @marksalpeter in https://github.com/langfuse/langfuse/pull/14159
fix(api): clarify v3 scores field groups and move v4 removal note to v2 endpoints by @niklassemmler in https://github.com/langfuse/langfuse/pull/14161
fix(scim): stop PUT role downgrade and audit SCIM membership mutations by @Steffen911 in https://github.com/langfuse/langfuse/pull/14083
fix(fern/scores): split scores v3 back into scores-v3.yml to avoid breaking SDK groups by @niklassemmler in https://github.com/langfuse/langfuse/pull/14162

Full Changelog: https://github.com/langfuse/langfuse/compare/v3.181.0...v3.182.0

Breaking Changes

feat(scores): split scores v3 back into scores-v3.yml to avoid breaking SDK groups

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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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