{"schemaVersion":"2026-07-21.signal.v2","id":"live-3b4d27d303a5c793f96a","title":"Langfuse v4.45.1","slug":"langfuse-v4-45-1-langfuse-v4-45-1-93f96a","url":"https://www.niubiagent.com/signals/langfuse-v4-45-1-langfuse-v4-45-1-93f96a","jsonUrl":"https://www.niubiagent.com/api/posts/langfuse-v4-45-1-langfuse-v4-45-1-93f96a.json","markdownUrl":"https://www.niubiagent.com/content/langfuse-v4-45-1-langfuse-v4-45-1-93f96a","summaryHuman":"Langfuse v4.45.1 adds support for default and custom models in TypeSafe LLM connections, harmonizes PieChart colors, and updates score test timestamps.","summaryAgent":"Langfuse v4.45.1 release introduces support for default and custom models for TypeSafe LLM connections (PR 17881), updates PieChart color styling for consistency (PR 17875), and adjusts test score event timestamps (PR 17879).","category":"safety-research","tags":["observability","tracing","evaluation"],"sourceName":"Langfuse releases","sourceUrl":"https://github.com/langfuse/langfuse/releases/tag/v4.45.1","publishedAt":"2026-09-24T12:53:12Z","curatedAt":"2026-09-24T18:17:21.977Z","confidence":0.96,"agentUsefulness":82,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-09-24T18:17:21.977Z","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 version 4.45.1 contains minor improvements and fixes: - feat(llm-connections): Introduced default and custom models for TypeSafe connections ( 17881). - fix(charts): Updated PieChart colors to match the palette used by other charts ( 17875). - test(scores): Updated score tests to assign strictly later event timestamps to updated scores ( 17879).","sponsors":[]}