{"schemaVersion":"2026-07-21.signal.v2","id":"live-2a4043368842d081d7de","title":"Langfuse v4.49.0","slug":"langfuse-v4-49-0-langfuse-v4-49-0-81d7de","url":"https://www.niubiagent.com/signals/langfuse-v4-49-0-langfuse-v4-49-0-81d7de","jsonUrl":"https://www.niubiagent.com/api/posts/langfuse-v4-49-0-langfuse-v4-49-0-81d7de.json","markdownUrl":"https://www.niubiagent.com/content/langfuse-v4-49-0-langfuse-v4-49-0-81d7de","summaryHuman":"Langfuse v4.49.0 introduces tool filters to the sessions table, tracking for evaluator onboarding funnels, reduced legacy public API rate limits, and various UI and dependency improvements.","summaryAgent":"Langfuse release v4.49.0 adds session table filtering by tools, modifies org-level analytics/ingestion routes, reduces legacy public API rate limits, and updates dependencies including axios and dompurify.","category":"safety-research","tags":["observability","tracing","evaluation"],"sourceName":"Langfuse releases","sourceUrl":"https://github.com/langfuse/langfuse/releases/tag/v4.49.0","publishedAt":"2026-10-01T09:58:56Z","curatedAt":"2026-10-01T12:17:52.854Z","confidence":0.96,"agentUsefulness":72,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-10-02T00:17:54.089Z","changeType":"release","actionItems":["Verify compatibility with legacy public API integrations due to reduced rate limits.","Update Langfuse web instances to access new tool filters in the sessions table."],"body":"Langfuse release v4.49.0 includes new features such as tool filters for the session table (PR 17884) and evaluator onboarding funnel tracking in PostHog (PR 18075). Multiple changes targeted organization-level analytics and ingestion views (PRs 18069, 18082, 18084, 18090, followed by chore PR 18101 removing org-level ingestion overview and analytics view). Key chores include reducing legacy public API rate limits (PR 17572) and upgrading dependencies like axios to 1.20.0 and dompurify to 3.4.16.","sponsors":[]}