Issues

• Trace context not propagated into OpenTelemetry spans

  sdk
  langchain-ai/langsmith-python#58 · Filter by author alexmojaki opened on Oct 19, 2026

• Evaluator args get shifted when a defaulted param comes before reference_outputs

  sdk
  langchain-ai/langsmith-python#49 · Filter by author hemanth1999k opened on Oct 18, 2026

• wrap_gemini: streamed responses are traced without their function calls or finish_reason

  sdk
  langchain-ai/langsmith-python#43 · Filter by author pcbeingused333 opened on Oct 16, 2026
  2

• Add missing example and dataset methods to AsyncClient for sync/async API parity

  sdk
  langchain-ai/langsmith-python#33 · Filter by author sapountzis opened on Oct 16, 2026
  6

• Summary evaluators with a defaulted extra parameter receive raw Run/Example lists instead of mapped outputs

  sdk
  langchain-ai/langsmith-python#22 · Filter by author moneebullah25 opened on Oct 9, 2026
  1

  

• EmbeddingDistance raises NameError for euclidean, manhattan, chebyshev and hamming metrics

  bugsdk
  langchain-ai/langsmith-python#23 · Filter by author moneebullah25 opened on Oct 9, 2026
  1

  

• Python: compress thread's flush_interval never fires under steady traffic, traces wait until 100 runs / 20 MB

  sdk
  langchain-ai/langsmith-python#24 · Filter by author moneebullah25 opened on Oct 9, 2026
  1

  

• Python: Client.flush() can return before buffered run ops (process_buffered_run_ops) are sent

  sdk
  langchain-ai/langsmith-python#25 · Filter by author moneebullah25 opened on Oct 9, 2026
  1

• Issue: wrap_openai emits Pydantic serializer warnings on beta.chat.completions.parse (openai counterpart of #2737)

  sdk
  langchain-ai/langsmith-python#26 · Filter by author hemanttyagi1001 opened on Sep 4, 2026
  2

• OrcaRouter provider support for the LangSmith SDKs

  sdk
  langchain-ai/langsmith-python#27 · Filter by author nissrin2020ali-ux opened on Sep 4, 2026
  1

• OTEL exporter emits LangChain-serialized I/O in legacy gen_ai.prompt/completion attributes

  sdk
  langchain-ai/langsmith-python#28 · Filter by author ChampionsZhang opened on Aug 20, 2026
  3

• Native EvalPort import/export for portable evaluation datasets and results

  sdk
  langchain-ai/langsmith-python#29 · Filter by author adhabnr-ux opened on Aug 20, 2026
  1

• dumps_json raises RecursionError on plain dict/list cycles

  sdk
  langchain-ai/langsmith-python#30 · Filter by author Vissirexa opened on Aug 13, 2026
  2

• Issue: When pulling a Bedrock model from the hub, an empty aws_iam_role_arn is added to model_kwargs

  sdk
  langchain-ai/langsmith-python#31 · Filter by author FelixKikleo opened on Jul 29, 2026
  1

  

• [Proposal] OpenEval Import/Export Support

  sdk
  langchain-ai/langsmith-python#32 · Filter by author adhabnr-ux opened on Jul 29, 2026
  3

• Sync sdk filters with what's avaialble in the ui

  sdk
  langchain-ai/langsmith-python#21 · Filter by author 10gyal opened on Jul 24, 2026
  1