v3.175.0

What's Changed

Features

• feat(widgets): add observation type filter by @marksalpeter in https://github.com/langfuse/langfuse/pull/13639
• feat(observations-v2): expose trace_context field group in public API by @niklassemmler in https://github.com/langfuse/langfuse/pull/13620
• feat(onboarding): remove invite team members from org creation flow by @annabellscha in https://github.com/langfuse/langfuse/pull/13640
• feat(blob-export): gate legacy export sources for post-cutoff Cloud projects by @niklassemmler in https://github.com/langfuse/langfuse/pull/13627
• feat(web): In-app agent scaffolding by @bezbac in https://github.com/langfuse/langfuse/pull/13451
• feat(web): simplify onboarding survey by @annabellscha in https://github.com/langfuse/langfuse/pull/13600
• feat(traces): Add new trace download endpoint by @bezbac in https://github.com/langfuse/langfuse/pull/13033
• feat(analytics-integrations): extend legacy export source cutoff gate to PostHog and Mixpanel by @niklassemmler in https://github.com/langfuse/langfuse/pull/13684
• feat(blob-export): hide Export Source field for post-cutoff Cloud projects by @niklassemmler in https://github.com/langfuse/langfuse/pull/13681
• feat(monitors): add Monitor Prisma schema and migration by @marksalpeter in https://github.com/langfuse/langfuse/pull/13677
• feat(worker): add production monitoring evaluator templates by @annabellscha in https://github.com/langfuse/langfuse/pull/13591
• feat(mcp): Make observations available via MCP by @bezbac in https://github.com/langfuse/langfuse/pull/13656
• feat(api): track api key ids in auth telemetry by @maxdeichmann in https://github.com/langfuse/langfuse/pull/13605
• feat(evals): add experiment item metadata mapping for experiment evaluators by @marliessophie in https://github.com/langfuse/langfuse/pull/13702
• feat(models): add new Gemini models by @hassiebp in https://github.com/langfuse/langfuse/pull/13750
• feat(dashboarding): support experiment dimensions and filters in observations view by @marliessophie in https://github.com/langfuse/langfuse/pull/13602
• feat(monitors): Service & Schema by @marksalpeter in https://github.com/langfuse/langfuse/pull/13725
• feat(monitors): tRPC router, RBAC scopes, requireFeatureFlag middleware by @marksalpeter in https://github.com/langfuse/langfuse/pull/13771

Fixes / Improvments

• fix(worker): stream core data prompt exports by @Steffen911 in https://github.com/langfuse/langfuse/pull/13634
• test(clickhouse): seed nested metadata by @maxdeichmann in https://github.com/langfuse/langfuse/pull/13635
• fix(otel): recognize OpenInference llm.token_count.prompt_details.cache_read/cache_write by @gragragrab in https://github.com/langfuse/langfuse/pull/13572
• fix(sso): expose custom oidc options by @Steffen911 in https://github.com/langfuse/langfuse/pull/13647
• fix(events): tolerate non-JSON model_parameters in read path by @Steffen911 in https://github.com/langfuse/langfuse/pull/13655
• fix(sso): strip openid scope on custom save when idToken is false by @Steffen911 in https://github.com/langfuse/langfuse/pull/13659
• fix(observations-v2): omit trace_context keys from partial response when not in ClickHouse row by @niklassemmler in https://github.com/langfuse/langfuse/pull/13660
• fix(auth): redirect to /onboarding after initial password set on Cloud by @annabellscha in https://github.com/langfuse/langfuse/pull/13662
• fix: clear free-tier suspension state on Stripe subscription upgrade by @sumerman in https://github.com/langfuse/langfuse/pull/13689
• fix: lightweight updates/deletes interact incorrectly with lazy materialization in 25.10. by @sumerman in https://github.com/langfuse/langfuse/pull/13693
• fix: observations v2 shouldn't be joining reconstructed traces for userId by @sumerman in https://github.com/langfuse/langfuse/pull/13708
• fix: multienv queries for observations v2 by @sumerman in https://github.com/langfuse/langfuse/pull/13714
• fix(agents): repair Playwright MCP by using --save-session by @niklassemmler in https://github.com/langfuse/langfuse/pull/13683
• fix(blob-storage): harden endpoint connection validation by @wochinge in https://github.com/langfuse/langfuse/pull/13694
• fix(v2/observations): declare and normalize enrichment price fields by @niklassemmler in https://github.com/langfuse/langfuse/pull/13711
• fix(worker): truncate oversized GitHub dispatch payloads by @wochinge in https://github.com/langfuse/langfuse/pull/13752

Chores

• chore: Update agent guidance for repo workflows by @maxdeichmann in https://github.com/langfuse/langfuse/pull/13642
• docs(agents): improve shared skill guidance by @maxdeichmann in https://github.com/langfuse/langfuse/pull/13643
• ci(deps): bump the github-actions group across 1 directory with 13 updates by @dependabot[bot] in https://github.com/langfuse/langfuse/pull/13614
• refactor(blob-export): replace internal exportSource enum with public LEGACY_TRACES_OBSERVATIONS/OBSERVATIONS_V2/LEGACY_TRACES_AND_ENRICHED_OBSERVATIONS by @niklassemmler in https://github.com/langfuse/langfuse/pull/13619
• test(otel): add e2e tenant isolation test for OTEL ingestion by @niklassemmler in https://github.com/langfuse/langfuse/pull/13622
• refactor(blob-export): split OBSERVATION_FIELD_GROUPS from BLOB_EXPORT_FIELD_GROUPS by @niklassemmler in https://github.com/langfuse/langfuse/pull/13617
• chore: Revert: "fix(sso): strip openid scope on custom save when idToken is false" by @Steffen911 in https://github.com/langfuse/langfuse/pull/13661
• chore: Add AGENTS.override.md to .gitignore by @bezbac in https://github.com/langfuse/langfuse/pull/13679
• chore(dx): Make vitest run without separate env sourcing by @bezbac in https://github.com/langfuse/langfuse/pull/13699
• chore(dx): bump pnpm to v11 by @nimarb in https://github.com/langfuse/langfuse/pull/13506
• chore(dx): Make turbo logs quieter by default by @bezbac in https://github.com/langfuse/langfuse/pull/13700
• chore(dx): Make prisma quieter by default by @bezbac in https://github.com/langfuse/langfuse/pull/13701
• chore: propagate tags onto 422 errors by @sumerman in https://github.com/langfuse/langfuse/pull/13707
• refactor(shared): promote query feature to @langfuse/shared (LFE-9806) by @marksalpeter in https://github.com/langfuse/langfuse/pull/13678
• chore: ignore local DeepSec workspace by @maxdeichmann in https://github.com/langfuse/langfuse/pull/13722
• test(web): scope projects api cleanup to seed org by @wochinge in https://github.com/langfuse/langfuse/pull/13758
• chore(deps): bump brace expansion 5.0.6 by @nimarb in https://github.com/langfuse/langfuse/pull/13765
• chore(deps): bump turbo 2.9.14 by @nimarb in https://github.com/langfuse/langfuse/pull/13766
• refactor(blob-export): gate pricing fields on model group, not usage by @niklassemmler in https://github.com/langfuse/langfuse/pull/13716
• ci: adjust zizmor advanced security handling by @wochinge in https://github.com/langfuse/langfuse/pull/13767
• chore(deps): bump ws to 8.20.1 by @nimarb in https://github.com/langfuse/langfuse/pull/13768
• chore: Improve vitest test lifecycle by @bezbac in https://github.com/langfuse/langfuse/pull/13753

New Contributors

• @gragragrab made their first contribution in https://github.com/langfuse/langfuse/pull/13572

Full Changelog: https://github.com/langfuse/langfuse/compare/v3.174.1...v3.175.0