langfuse

v3.211.0 Feature

This release adds 4 notable features for engineering teams evaluating rollout.

Published 16d 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

Summary

AI summary

Features added to events, filters, evals, notifications; fixes across agent, instrumentation, dashboard, playground, search-bar, v4, otel; dependency and pricing chores.

Changes in this release

Type	Severity	Summary	CVE
Feature
Feature	Medium	Adds select-all batch delete on v4 events table. Adds select-all batch delete on v4 events table. Source: llm_adapter@2026-07-15 Confidence: high	—
Feature	Medium	Adds boolean score filtering to filters. Adds boolean score filtering to filters. Source: llm_adapter@2026-07-15 Confidence: high	—
Feature	Medium	Blocks evaluator configs on billing‑exhausted and non‑401 auth LLM errors. Blocks evaluator configs on billing‑exhausted and non‑401 auth LLM errors. Source: llm_adapter@2026-07-15 Confidence: high	—
Feature	Medium	Adds project notification channels. Adds project notification channels. Source: llm_adapter@2026-07-15 Confidence: high	—
Feature	Medium	Passes tool calls to code and LLM‑as‑a‑judge evaluators. Passes tool calls to code and LLM‑as‑a‑judge evaluators. Source: llm_adapter@2026-07-15 Confidence: high	—
Bugfix
Bugfix	Medium	Prevents closing open panels when toggling assistant. Prevents closing open panels when toggling assistant. Source: llm_adapter@2026-07-15 Confidence: high	—
Bugfix	Medium	Adjusts layer rendering so assistant appears above panels. Adjusts layer rendering so assistant appears above panels. Source: llm_adapter@2026-07-15 Confidence: high	—
Bugfix	Medium	Preserves OpenTelemetry baggage across startNewTrace calls. Preserves OpenTelemetry baggage across startNewTrace calls. Source: llm_adapter@2026-07-15 Confidence: high	—
Bugfix	Medium	Makes deselecting a facet value exclude it instead of selecting the complement. Makes deselecting a facet value exclude it instead of selecting the complement. Source: llm_adapter@2026-07-15 Confidence: high	—
Bugfix	Medium	Scrolls to and focuses new message after adding a message in playground. Scrolls to and focuses new message after adding a message in playground. Source: llm_adapter@2026-07-15 Confidence: high	—
Bugfix	Low	Reduces default ex‑home panel size and makes widgets adapt to panel height. Reduces default ex‑home panel size and makes widgets adapt to panel height. Source: granite4.1:30b@2026-07-15-audit Confidence: low	—
Bugfix	Low	Validates AI‑generated score names against observed scores in search bar. Validates AI‑generated score names against observed scores in search bar. Source: granite4.1:30b@2026-07-15-audit Confidence: low	—
Bugfix	Low	Populates environment filter options from events tables in non‑legacy write modes (v4). Populates environment filter options from events tables in non‑legacy write modes (v4). Source: granite4.1:30b@2026-07-15-audit Confidence: low	—
Bugfix	Low	Links prompts only on generation observations in OpenTelemetry. Links prompts only on generation observations in OpenTelemetry. Source: granite4.1:30b@2026-07-15-audit Confidence: low	—

Full changelog

What's Changed

Features

feat(events): enable select-all batch delete on v4 events table by @sumerman in https://github.com/langfuse/langfuse/pull/14937
feat(filters): add boolean score filtering by @wochinge in https://github.com/langfuse/langfuse/pull/14674
feat(evals): block evaluator configs on billing-exhausted and non-401 auth LLM errors by @hassiebp in https://github.com/langfuse/langfuse/pull/14943
feat(notifications): add project notification channels by @wochinge in https://github.com/langfuse/langfuse/pull/14942
feat(evals): pass tool calls to code and LLM-as-a-judge evaluators by @wochinge in https://github.com/langfuse/langfuse/pull/14927

Fixes

fix(agent): Do not close open panels when toggling assistant by @bezbac in https://github.com/langfuse/langfuse/pull/14950
fix(agent): Adjust layers so that assistant is rendered above panels by @bezbac in https://github.com/langfuse/langfuse/pull/14949
fix(instrumentation): preserve OTel baggage across startNewTrace by @marksalpeter in https://github.com/langfuse/langfuse/pull/14953
fix(dashboard): smaller ex-home panel defaults + widgets adapt to panel height (LFE-10813) by @nkabardin in https://github.com/langfuse/langfuse/pull/14952
fix(filters): deselecting a facet value excludes it instead of selecting the complement (LFE-10717) by @nkabardin in https://github.com/langfuse/langfuse/pull/14939
fix(playground): scroll to and focus new message on Add message (LFE-6864) by @nkabardin in https://github.com/langfuse/langfuse/pull/14811
fix(search-bar): validate AI-generated score names against observed scores (LFE-10646) by @nkabardin in https://github.com/langfuse/langfuse/pull/14813
fix(v4): populate environment filter options from events tables in non-legacy write modes by @Steffen911 in https://github.com/langfuse/langfuse/pull/14959
fix(otel): link prompts only on generation observations by @hassiebp in https://github.com/langfuse/langfuse/pull/14962

Chores

chore(deps): Use pnpm catalog for aws-sdk dependencies by @bezbac in https://github.com/langfuse/langfuse/pull/14918
chore(pricing): update default model prices by @langfuse-bot in https://github.com/langfuse/langfuse/pull/14954
chore(pricing): update default model prices by @langfuse-bot in https://github.com/langfuse/langfuse/pull/14955
chore(deps): Upgrade to typescript 6.0.3 and use pnpm catalog by @bezbac in https://github.com/langfuse/langfuse/pull/14805

Full Changelog: https://github.com/langfuse/langfuse/compare/v3.210.0...v3.211.0

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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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