Releasesby GlyphLangfuse 4.70.0
Langfuse adds unstable read-only Topics endpoints, batch evaluation tools via MCP, and improved AI gateway key management. It also includes various UI and security fixes.
Also shipped Oct 24, 2026Langfuse in October 2026 →
astronomer 2.1.2
Astronomer 2.1.2 includes image updates, remediation for security issues, and support for Kubernetes 1.36 and 1.37.
Claude Agent SDK 0.2.174
Claude Agent SDK 0.2.174 includes an update to the bundled Claude CLI version 2.1.310.
CrewAI 1.15.30
CrewAI 1.15.30 includes a bug fix for the agent login process during evaluation.
More from LangfuseEvery Langfuse release →
Langfuse 4.69.0
Langfuse 4.69.0 introduces guided AI gateway setup, skill version management for MCP, and improved tracing features for skill loads and execution issues.
Langfuse 4.68.0
Langfuse 4.68.0 adds MCP tool support, new Treemap and Grid views for Topics, and enhanced AI gateway features including per-connection socket logging and custom API key management.
Langfuse 4.67.0
Features - feat(skills): simplify CLI install and import setup - feat(web): add name search and gateway key filter to organization API keys Fixes - fix(slack): marketplace review – link buttons and private channel visibility - fix(web): Use correct step size on numeric filters - fix(sessions): Include trace name when searching - fix(web): Clean up ValueCell...
Langfuse 4.66.0
Features - feat(topics): one gate for Topics visibility Fixes - fix(sessions): Don't allow expanding empty reasoning messages - fix(web): disable Owner role selection without ownership permission - fix(web): boxed, sticky I/O sections with a collapse caret - fix(otel): store number-like metadata strings without their JSON quotes - fix(in-app-agent): bump...
Langfuse 4.65.0
Features - feat(topics): non-blocking clustering for large numbers - feat(topics): name topics by what their facet asks about - feat(routes): add recovery option for V4 experience and update sidebar toggle logic - feat(skills): stabilize API and restore MCP access - feat(ai-gateway): add self-hosted "None" ingestion mode - feat(topics): be transparent about...
Langfuse 4.64.0
Features - feat(trace): Move messages tab and reuse session timeline - feat(api-keys): enable project API key permissions by default - feat: rename Langfuse Assistant to Halo - feat(api-keys): show the Admin role as Full access on API keys - feat(topics): show cost of runs - feat(web): page-based pagination for gateway API keys - feat(transcript): implement...
Langfuse 4.63.0
Features - feat(web): link personal feature previews from organization settings - feat(traces): integrate PostHog analytics for IO parser comparison tracking - feat(skills): improve browsing and editing UX - feat(ai-gateway): route slugless codex- models to OpenAI connections - feat(ai-gateway): attribute errors by origin and measure gateway overhead -...
Langfuse 4.62.0
- ci: run ai-gateway e2e tests on ai-gateway crate changes - ci(deps): let the security maintainer remediate Rust Dependabot alerts - fix(web): tracing page header and search row spacing - feat(ai-gateway): raise request limit to 16 MiB and make execution limits configurable - build: ship Rust license notices and cache AI gateway dependency builds -...