Self-hosted monitors enabled; evaluator editor gets contract autocomplete

What's Changed

Features

• feat(monitors): enable monitors for self-hosted deployments with events writes by @Steffen911 in https://github.com/langfuse/langfuse/pull/14938
• feat(evals): add contract-aware autocomplete to the code evaluator editor by @wochinge in https://github.com/langfuse/langfuse/pull/14992
• feat(agents): fold React-without-useEffect principles into frontend skill (LFE-10842) by @nkabardin in https://github.com/langfuse/langfuse/pull/14994
• feat(peek): add optional footer to TablePeekView for navigation controls by @marliessophie in https://github.com/langfuse/langfuse/pull/14246
• feat(blobstorage): write run-completion manifest per export run (LFE-10843) by @niklassemmler in https://github.com/langfuse/langfuse/pull/14995
• feat(redis): make socket timeout configurable via REDIS_SOCKET_TIMEOUT_MS by @Steffen911 in https://github.com/langfuse/langfuse/pull/15037
• feat(web): add copy-session-id button to session detail header by @CodeCLS in https://github.com/langfuse/langfuse/pull/14996

Fixes / Improvements

• fix(web): Remove usages of slate- color classes by @bezbac in https://github.com/langfuse/langfuse/pull/14984
• refactor(blobstorage): split settings page into feature components by @niklassemmler in https://github.com/langfuse/langfuse/pull/14964
• fix(web): honor date-range window in eval preview tables by @CodeCLS in https://github.com/langfuse/langfuse/pull/14982
• fix(assistant): trace cost correctly by @nimarb in https://github.com/langfuse/langfuse/pull/14945
• fix(table-views): make preset deletion idempotent by @sumerman in https://github.com/langfuse/langfuse/pull/14990
• fix(filters): route legacy score filters by type by @sumerman in https://github.com/langfuse/langfuse/pull/14991
• fix(agent): Improve UX around rate-limiting by @bezbac in https://github.com/langfuse/langfuse/pull/14997
• fix(audit-log): Include userId in in-app agent api-key audit logs by @bezbac in https://github.com/langfuse/langfuse/pull/14920
• refactor(monitors): remove unnecessary use of useEffect by @marksalpeter in https://github.com/langfuse/langfuse/pull/14998
• fix(web): resolve test-file type errors failing the production next build typecheck by @wochinge in https://github.com/langfuse/langfuse/pull/15031
• docs(agents): add ClickHouse view and MV migration rules to skills and review checklist by @Steffen911 in https://github.com/langfuse/langfuse/pull/15035
• fix(auth): Clean up next-auth type definitions by @bezbac in https://github.com/langfuse/langfuse/pull/15032
• fix(agent): Track loading state of individual events by @bezbac in https://github.com/langfuse/langfuse/pull/14988
• fix(worker): stop 35s max_execution_time from killing fired background-migration chunk queries by @ubinatus in https://github.com/langfuse/langfuse/pull/15001
• fix(pricing): publish audit memory snapshot changes by @hassiebp in https://github.com/langfuse/langfuse/pull/15042
• fix(cloud-usage-metering): raise interval count query timeout to 5 minutes by @Steffen911 in https://github.com/langfuse/langfuse/pull/15043
• fix(storage): make content hashing function for multi-object deletes configurable by @dalaoyang in https://github.com/langfuse/langfuse/pull/14981
• fix(evals): make code-eval execution traces readable in trace detail (LFE-10884) by @wochinge in https://github.com/langfuse/langfuse/pull/15045
• fix(prompts): namespace prompt cache selectors by @hassiebp in https://github.com/langfuse/langfuse/pull/15040
• fix(prompts): type redis keys correctly by @nimarb in https://github.com/langfuse/langfuse/pull/15055
• fix(clickhouse): avoid atomic view replacement in migration by @ofeliacode in https://github.com/langfuse/langfuse/pull/14951
• fix(agent): Improve prompt around screen context by @bezbac in https://github.com/langfuse/langfuse/pull/15051
• fix(agent): Add code generation instructions to system prompt by @bezbac in https://github.com/langfuse/langfuse/pull/15052

Chores

• chore(events): consolidate event-stream query construction by @sumerman in https://github.com/langfuse/langfuse/pull/14973
• chore(web): Disable unused tailwind color palettes by @bezbac in https://github.com/langfuse/langfuse/pull/14983
• chore(shared): Enable knip dep checking & remove unused deps by @bezbac in https://github.com/langfuse/langfuse/pull/14989
• chore(deps): bump @opentelemetry/propagator-jaeger to 2.9.0 by @nimarb in https://github.com/langfuse/langfuse/pull/15022
• chore(blobstorage): remove Parquet export-tuning special-casing by @niklassemmler in https://github.com/langfuse/langfuse/pull/15025
• chore(otel): log SDK, version, instrumentation scopes, and span count on OTEL conversion failures (LFE-10869) by @niklassemmler in https://github.com/langfuse/langfuse/pull/15023
• chore(pricing): improve audit titles and model reports by @hassiebp in https://github.com/langfuse/langfuse/pull/15029
• chore(AGENTS.md, skills): Update AGENTS.md to not use 'useEffect' unless its a valid case, add skill to refactor existing components by @LysanderKie in https://github.com/langfuse/langfuse/pull/15021
• chore(deps): bump js-yaml to 4.3.0 by @nimarb in https://github.com/langfuse/langfuse/pull/15041
• chore(web): typecheck test files in CI and fix latent test type errors by @wochinge in https://github.com/langfuse/langfuse/pull/15038
• chore(deps): bump body-parser to 2.3.0 by @nimarb in https://github.com/langfuse/langfuse/pull/15046
• chore(pricing): 2026-07-13 audit — all active prices confirmed by @langfuse-bot in https://github.com/langfuse/langfuse/pull/15047
• chore(deps): bump @sentry/nextjs to 10.64.0 by @nimarb in https://github.com/langfuse/langfuse/pull/15057
• chore: deploy preview deployments by @maxdeichmann in https://github.com/langfuse/langfuse/pull/15020
• chore(web): Setup eslint useEffect plugin for agent and design system by @bezbac in https://github.com/langfuse/langfuse/pull/14993

New Contributors

• @ubinatus made their first contribution in https://github.com/langfuse/langfuse/pull/15001
• @dalaoyang made their first contribution in https://github.com/langfuse/langfuse/pull/14981
• @ofeliacode made their first contribution in https://github.com/langfuse/langfuse/pull/14951

Full Changelog: https://github.com/langfuse/langfuse/compare/v3.212.0...v3.213.0