What\u2019s new at Langfuse
Open source LLM engineering platform for debugging, analyzing, and iterating on LLM applications
- improvement minor
Langfuse v3.172.0
Adds a 'none' filter mode for tags in the traces sidebar. Includes multiple fixes for experiment metadata ingestion, ClickHouse query performance, dashboard filter consistency, and trace detail UI.
- feature major
Langfuse v3.171.0
Allows source=ANNOTATION on the public scores API endpoint and adds model pricing for GPT-5.5. Includes ClickHouse performance improvements and PostHog export window fixes.
- feature major
Langfuse v3.170.0
Adds public evals API endpoints, DELETE endpoint for LLM connections, region selector in user menu, prompt metrics time window filtering, floating multi-select action bar, and configurable blob storage export frequencies. Includes security fixes for CSS injection in score config names and constant-time comparison for admin API key auth.