Releasesby GlyphLangfuse 4.42.0
- refactor(web): reroute leftover feature deep imports through index.ts fix(web): trace page panels fill the window width refactor(web): reroute remaining feature deep imports through index.ts feat: trace messages internal preview fix(web): antialiased body text refactor(web): reroute leftover feature deep imports through index.ts fix(web): remove unused...
Also shipped Sep 23, 2026Langfuse in September 2026 →
New features and improvements in Copilot for JetBrains
GitHub Copilot for JetBrains 1.18.0 brings AI-assisted tool approvals, more control over agent conversations, and shared skills and instructions for your organization. You can also review plans with the Codex agent and manage MCP tools with persistent controls.
Scalar and Batch Unity Catalog Python UDFs are now generally available
Scalar and Batch Unity Catalog Python UDFs are now generally available on all supported compute types. This release adds named handlers for row-at-a-time scalar UDFs, removes the five-UDF-call-per-query limit, and aligns scalar TIMESTAMP inputs with PySpark behavior.
Build governed data and AI apps without code (Beta)
You can now build governed data and AI apps without code. Genie App Builder authors apps in natural language, App Spaces enforce governance, and Serverless Micro Apps scale to zero when idle. See Governed agentic app building .
Non-deterministic aggregate functions are supported with dynamic table incremental refresh (General availability)
Non-deterministic aggregate functions such as approx count distinct , approx percentile , and approx top k are now supported with dynamic table incremental refresh in INCREMENTAL, AUTO, and ADAPTIVE refresh modes. For incremental refresh, these functions are supported only in the SELECT clause. any value remains unsupported.
More ways to request and configure Copilot code reviews
GitHub Copilot code review now offers additional personal configurations to an expanded set of Copilot plans and an enterprise-level default setting. These improvements are now generally available: A dedicated personal settings page for automatic review and your default review effort An enterprise-wide default review effort setting for organization-owned...
Node 20 is no longer available in GitHub Actions
This is the final notification that Node 20 is no longer available on GitHub Actions runners. Runners now use Node 24 for JavaScript actions. The temporary ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION opt-out is no longer available. If you maintain a JavaScript action, update its runs.using value to node24 and publish a new release as soon as possible.
More from LangfuseEvery Langfuse release →
Langfuse 4.43.0
Features feat(members): filter project and organization members by role feat(scores): Allow creating scores from annotation sidebar feat(feature-flags): introduce internal view mode and related components feat(evals): route TypeSafe decision-model connections through OpenRouter or Vercel AI Gateway Fixes fix(scim): scope Users/{id} reads and mutations to...
Langfuse 4.45.0
- fix(web): use tuple key for confusion matrix lookup to avoid delimiter collisions refactor(web): Migrate exports settings table to design system feat(billing): send the organization name on ClickHouse Billing checkout refactor(web): Create design-system StackedBarChart refactor(web): Create design-system AreaChart docs(self-hosting): document Docker log...
Langfuse 4.44.0
Features feat(llm-connections): send extra headers on Vertex AI Gemini requests feat(worker): add isolated OTEL replay integration harness feat(evals): add conversation-signals decision-model gallery template feat(trace-batching): enhance transcript assembly with timing metrics and token estimates feat(ai-gateway): relay Anthropic Messages with usage...
Langfuse 4.46.0
Features - feat(experiments): streamline side-by-side comparison - feat(web): Add formatted json to the dataset item - feat(skills): basic skill management - feat(web): add 100-row page size option to tracing tables Fixes - fix(web): header metrics as plain text on trace, observation and session headers - fix(billing): accept string event-bus timestamps on...
Langfuse 4.41.0
Features feat: encode v4 native blocks and event bytes in Rust feat(automations): filter prompt events by tags Fixes refactor(normalized-io): enhance additional input handling fix(alerts): link score alerts to filtered scores fix(dashboards): Avoid nested scrollbars for scores widget fix(web): group trace graph steps without recursive stack overflow by...
Langfuse 4.40.0
Features feat(trace-batching): link transcript spans to source traces Fixes fix(auth): evict the API key cache after deleting the row Choes refactor(web): thin remaining fat pages into feature Page components docs: remove duplicated 'override' in table columns README chore(agents): use AGENTS.md directly for folder instructions refactor(web): thin leftover...
Langfuse 4.39.0
Features - feat(web): publish event-loop delay for autoscaling - feat(automations): filter prompt events by label - feat(ai-gateway): add phase spans so request traces have no gaps - feat(ai-gateway): record Codex client metadata as agent metadata - feat(auth): authorize every ingestion event through the policy core - feat(otel): simulate worker admission...
Langfuse 4.47.0
Features - feat(topics): render and measure dedicated trace transcripts - feat(native): prepare JS events and encode batches through NAPI - feat(observability): label experiment query outcomes for SLOs - feat(worker): add the ClickHouse Native write strategy - feat(ai-gateway): set trace environment from langfuse-environment header - feat(ai-gateway)...