This release adds 4 notable features for engineering teams evaluating rollout.
Published 26d
Error & Performance Tracking
✓ No known CVEs patched
✓ No known CVEs patched in this version
Topics
evaluation
hacktoberfest2025
langchain
llama-index
llm
llm-evaluation
+5 more
llm-observability
llmops
openai
playground
prompt-engineering
Summary
AI summaryFix prevents silent data loss when ending the Python SDK client.
Full changelog
What's Changed
- [OPIK-6391] [FE] fix: send thread_model_id when adding thread comments by @andriidudar in https://github.com/comet-ml/opik/pull/6639
- fix(sdk): surface evaluation task failures by @mindbomber in https://github.com/comet-ml/opik/pull/6624
- [OPIK-6339] [PY-SDK] feat: respect search rate limits in search_traces and search_spans by @alexkuzmik in https://github.com/comet-ml/opik/pull/6629
- [OPIK-6368] [BE] feat: auto-create environments from trace ingestion by @BorisTkachenko in https://github.com/comet-ml/opik/pull/6638
- [OPIK-5745] [BE] feat: add LLM tools for full trace context in eval suite assertions by @itamargolan in https://github.com/comet-ml/opik/pull/6511
- [OPIK-6409] [BE] feat: add V1 workspace allowlist by @thiagohora in https://github.com/comet-ml/opik/pull/6631
- [NA] [PY-SDK] fix: run worker_threads=1 in the caller thread by @alexkuzmik in https://github.com/comet-ml/opik/pull/6641
- [NA] [SDK] [DOCS] Update automatically OpenAPI spec and Fern code by @CometActions in https://github.com/comet-ml/opik/pull/6642
- [OPIK-6443] [PY-SDK] fix: prevent silent data loss in client.end() due to drain/attachment re-enqueue race by @ldaugusto in https://github.com/comet-ml/opik/pull/6643
- [OPIK-6444] [PY-SDK] fix: improve streamer reliability by @alexkuzmik in https://github.com/comet-ml/opik/pull/6648
New Contributors
- @mindbomber made their first contribution in https://github.com/comet-ml/opik/pull/6624
Full Changelog: https://github.com/comet-ml/opik/compare/2.0.26...2.0.27
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About opik
Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.
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Earlier breaking changes
- v2.0.38 Split stats query and gate legacy feedback_scores UNION in BE.
Beta — feedback welcome: [email protected]