Langfuse Files

What's Changed

Features

• feat(public-api): add unstable read-only Topics endpoints by @LysanderKie in https://github.com/langfuse/langfuse/pull/19104
• feat(ai-gateway): update Claude Desktop setup steps and merge Claude tabs by @wochinge in https://github.com/langfuse/langfuse/pull/19298
• feat(web): warn ClickHouse staff viewing data by @maxdeichmann in https://github.com/langfuse/langfuse/pull/19266
• feat(web): syntax-highlight shell, TOML and JSON setup snippets by @wochinge in https://github.com/langfuse/langfuse/pull/19306
• feat(ai-gateway): describe gateway keys inline and invite people from the keys page by @wochinge in https://github.com/langfuse/langfuse/pull/19310
• feat(evals): runBatchEvaluation MCP tool and batch_action_id on batch run outputs by @wochinge in https://github.com/langfuse/langfuse/pull/19314
• feat(web): jump to prompts, datasets, queues and evaluators from Cmd+K by @nmtrang29 in https://github.com/langfuse/langfuse/pull/18921

Fixes

• fix(security): require secrets again when webhook or PostHog destination changes by @niklassemmler in https://github.com/langfuse/langfuse/pull/19261
• perf(scores): sort skip-dedup score lists by day first by @niklassemmler in https://github.com/langfuse/langfuse/pull/19311
• fix(clickhouse): label client-closed streams and tag the dashboard stream route by @niklassemmler in https://github.com/langfuse/langfuse/pull/19309
• fix(web): Topics setup explains a missing AI connection and helps non-admins by @nmtrang29 in https://github.com/langfuse/langfuse/pull/19286
• fix(web): Topics shows analyzing, waiting and failed screens on the first run by @nmtrang29 in https://github.com/langfuse/langfuse/pull/19285
• fix(deps): upgrade dompurify to 3.4.17 by @nimarb in https://github.com/langfuse/langfuse/pull/19329
• fix(deps): upgrade nodemailer to 10.1.7 by @nimarb in https://github.com/langfuse/langfuse/pull/19330

Chores

• test(sessions): pin project scoping for tool filters on the events sessions table by @niklassemmler in https://github.com/langfuse/langfuse/pull/19293
• refactor(web): Make SpendAlertsTable use design system by @bezbac in https://github.com/langfuse/langfuse/pull/19305
• refactor(web): Unify tooltip and hover card behavior by @bezbac in https://github.com/langfuse/langfuse/pull/19303
• refactor(ai-gateway): split setup instruction tabs from data loading and add stories by @wochinge in https://github.com/langfuse/langfuse/pull/19307

Full Changelog: https://github.com/langfuse/langfuse/compare/v4.69.0...v4.70.0