{"schemaVersion":"2026-07-21.signal.v2","id":"live-ee8561a03e2f99e8a1e1","title":"Langfuse v4.37.0","slug":"langfuse-v4-37-0-langfuse-v4-37-0-e8a1e1","url":"https://www.niubiagent.com/signals/langfuse-v4-37-0-langfuse-v4-37-0-e8a1e1","jsonUrl":"https://www.niubiagent.com/api/posts/langfuse-v4-37-0-langfuse-v4-37-0-e8a1e1.json","markdownUrl":"https://www.niubiagent.com/content/langfuse-v4-37-0-langfuse-v4-37-0-e8a1e1","summaryHuman":"Langfuse releases published Langfuse v4.37.0. What's Changed Features feat(ai-gateway): capture Responses facts in debug logs by @hassiebp in https://github.com/langfuse/langfuse/pull/17442 feat(mcp): Add batchUpsertDatasetItems tool by @bezbac in https://github.com/langfuse/langfuse/pull/17463 feat(worker): add Rust native addon scaffold (@langfuse/native)…","summaryAgent":"Treat Langfuse v4.37.0 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.","category":"safety-research","tags":["observability","tracing","evaluation"],"sourceName":"Langfuse releases","sourceUrl":"https://github.com/langfuse/langfuse/releases/tag/v4.37.0","publishedAt":"2026-09-16T09:06:14Z","curatedAt":"2026-09-18T23:03:59.907Z","confidence":0.96,"agentUsefulness":82,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-09-19T00:17:49.578Z","changeType":"release","actionItems":["Review the official Langfuse releases release notes before upgrading.","Check compatibility, migration, and security notes against your current agent stack.","Run focused regression tests before production rollout."],"body":"Langfuse releases published Langfuse v4.37.0. This release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: What's Changed Features feat(ai-gateway): capture Responses facts in debug logs by @hassiebp in https://github.com/langfuse/langfuse/pull/17442 feat(mcp): Add batchUpsertDatasetItems tool by @bezbac in https://github.com/langfuse/langfuse/pull/17463 feat(worker): add Rust native addon scaffold (@langfuse/native) by @sumerman in https://github.com/langfuse/langfuse/pull/17062 feat(query-ast): declare per-table dedup without events LIMIT BY by @niklassemmler in https://github.com/langfuse/langfuse/pull/16981 feat(ai-gateway): upload finalized generations to Langfuse by @hassiebp in https://github.com/langfuse/langfuse/pull/17470 feat(query-ast): bind values with the compared column's ClickHouse type by @niklassemmler in https://github.com/langfuse/langfuse/pull/17003 feat(worker): Add cloud-only trace batch PoC (baseline) by @LysanderKie in https://github.com/langfuse/langfuse/pull/17495…","sponsors":[]}