What langfuse/langfuse shipped
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Week of September 14, 2026
What shipped
- Thread API now returns conversation history and current turn per thread for better transcript organization. Pull request #17613
- Gateway generation metadata reorganized into consistent namespaces with proper HTTP status prefixes. Pull request #17645
- Every ingestion event now authorized through the policy core for improved access control. Pull request #16715
- Automations can now filter prompt events by label with live label loading in the UI. Pull request #17612
- Trace-level scores moved from tree visualization to the trace header for better visibility. Pull request #17642
- Table rows now clear when switching between saved views, filters, or searches to prevent stale data. Pull request #17692
- JSON viewer restyled with unified table appearance across the application. Pull request #17402
- Trace batch dispatcher now measures pending trace size estimates and reports batch size distributions. Pull request #17586
- Capacity experiment telemetry added for trace batch scaling to track admitted volume and queue snapshots. Pull request #17614
- Web processes publish event-loop delay metrics for CloudWatch autoscaling. Pull request #17632
Why it matters
This week includes structural improvements to core data APIs like threads and gateways, better trace observability with metrics and UI reorganization, and expanded automation capabilities. Infrastructure changes improve event-loop monitoring and batch processing visibility for production deployments.
Changelog entry
- feat: conversation history and current turn now returned per thread Pull request #17613
- fix(ai-gateway): reorganized generation metadata into consistent namespaces Pull request #17645
- feat(auth): all ingestion events authorized through policy core Pull request #16715
- feat(automations): label filtering added for prompt events in GitHub dispatch and webhooks Pull request #17612
- fix(web): trace-level scores moved from tree visualization to trace header Pull request #17642
- fix(table): stale rows cleared when switching filter scope Pull request #17692
- fix(web): JSON viewer restyled with unified table appearance Pull request #17402
- feat(web): event-loop delay metrics published for CloudWatch autoscaling Pull request #17632
- feat(trace-batching): pending trace size estimates measured and reported Pull request #17586
- fix(logging): severity field added to JSON logs for GCP Cloud Logging compatibility Pull request #17606
This week: thread transcripts with conversation history, gateway metadata reorganization, label-based prompt automation filters, and improved trace-level visibility. Full details at the preview links.
This week's releases focus on better data organization and observability. Threads now return full conversation history per turn, gateway generation metadata is consistently namespaced, and automations support label-based filtering. Infrastructure improvements include event-loop delay metrics for autoscaling and batch processing visibility. Check the preview links for details.