{"schemaVersion":"2026-07-21.signal.v2","id":"live-9ad229e37d2554369059","title":"Langfuse v4.46.0","slug":"langfuse-v4-46-0-langfuse-v4-46-0-369059","url":"https://www.niubiagent.com/signals/langfuse-v4-46-0-langfuse-v4-46-0-369059","jsonUrl":"https://www.niubiagent.com/api/posts/langfuse-v4-46-0-langfuse-v4-46-0-369059.json","markdownUrl":"https://www.niubiagent.com/content/langfuse-v4-46-0-langfuse-v4-46-0-369059","summaryHuman":"Langfuse v4.46.0 introduces basic skill management, streamlined side-by-side experiment comparisons, a 100-row page size for tracing tables, and formatted JSON for dataset items, while removing the trace playback feature.","summaryAgent":"Langfuse v4.46.0 adds basic skill management, formatted JSON rendering for dataset items, and streamlined side-by-side comparisons in experiments. It deprecates/removes the web trace playback feature, routes v3 dataset-run-items reads to read replicas, and ensures the assistant honors data-retention settings.","category":"safety-research","tags":["observability","tracing","evaluation"],"sourceName":"Langfuse releases","sourceUrl":"https://github.com/langfuse/langfuse/releases/tag/v4.46.0","publishedAt":"2026-09-25T14:20:07Z","curatedAt":"2026-09-25T18:17:22.697Z","confidence":0.96,"agentUsefulness":82,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-09-25T18:17:22.697Z","changeType":"release","actionItems":["Note the removal of the trace playback feature if your team relies on web trace replay functionality.","Verify compatibility with billing webhooks if consuming CHB string event-bus timestamps.","Explore the new basic skill management feature and updated experiment comparison workflows."],"body":"Langfuse v4.46.0 brings several feature additions and UI updates. Key additions include basic skill management, streamlined side-by-side comparison for experiments, formatted JSON views for dataset items, and a 100-row page size option for tracing tables. On the backend and performance side, v3 dataset-run-items reads are now routed to a read replica, and the assistant now respects data-retention settings. Notably, the web trace playback feature has been removed, alongside various UI and billing webhook fixes.","sponsors":[]}