Langfuse
langfuse.comObservability
$
npx @buildinternet/releases get langfuseOTel int64 serialization fixed; monitors get metadata filter
↗This release6 featuresNew capabilities16 fixesBug fixesAI-tallied from the release notesLangfuse · v3.214.0
Fixed OTel int64 field serialization to use strings instead of protobufjs Long internals. Monitors now support metadata filters, and a new NEXTAUTH_COOKIE_NAME_SUFFIX option namespaces auth cookies across instances.
Observations table opens at root level by default
↗This release1 enhancementImprovements to existing featuresAI-tallied from the release notesProjects using app-root-aware Langfuse SDKs now open the observations table with a focused view of outer roots and application entry points by default.
Self-hosted monitors enabled; evaluator editor gets contract autocomplete
↗This release7 featuresNew capabilities18 fixesBug fixesAI-tallied from the release notesLangfuse · v3.213.0
Monitors are now available for self-hosted deployments with events writes, and the code evaluator editor includes contract-aware autocomplete. The worker no longer kills background-migration chunk queries from the 35s max_execution_time, and eval preview tables honor the date-range window.
Trace graph: aggregated and expanded layout modes
↗This release1 featureNew capabilitiesAI-tallied from the release notesTrace graph view now offers two layouts: an aggregated overview and an expanded as-it-ran DAG, backed by a rebuilt deterministic renderer.
Prompt linking via propagate_attributes; OpenAI service_tier now captured
↗This release2 featuresNew capabilities1 fixBug fixesAI-tallied from the release notesPython SDK · v4.14.0
Added support for prompt linking via propagate_attributes in tracing, and OpenAI service_tier is now captured in model_parameters. Fixed handling of Anthropic cache_creation nested dict in usage reporting.
Tables filterable by true/false score values
↗This release1 featureNew capabilitiesAI-tallied from the release notesLangfuse tables now support filtering by true or false score values.
Tool calls accessible in code and LLM evaluators
↗This release1 featureNew capabilitiesAI-tallied from the release notesRecorded tool calls can now be accessed directly in code and LLM-as-a-Judge evaluators.
Blob export and evaluator failures now alert via Slack or webhook
↗This release1 featureNew capabilitiesAI-tallied from the release notesProject notifications for blob storage export failures and evaluator deactivation can now be sent to Slack or a webhook, in addition to admin emails. Configure in Project Settings → Notifications.
Home is now a customizable dashboard; widgets shareable as JSON
↗This release3 featuresNew capabilitiesAI-tallied from the release notesHome is now a customizable dashboard where you can choose which dashboard shows on it, reuse Home widgets in your own dashboards, and copy, duplicate, and share widgets as portable JSON.
Live reasoning in agent; home dashboard customizable
↗BreakingThis release5 featuresNew capabilities2 fixesBug fixesAI-tallied from the release notesLangfuse · v3.210.0
The in-app agent now displays live reasoning, and the Home dashboard can now be customized with preset widgets and per-project selection. Added a graph view mode switcher for traces (aggregated vs expanded DAG), PostHog instrumentation skill for agents, and cloud admin access to org and project settings pages.