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Tool arg of type list[Enum] is not represented correct in tool arg schema

bugRelated to a bug, vulnerability, unexpected error with an existing featureRelated to a bug, vulnerability, unexpected error with an existing feature

Status: Open.

#32716 In langchain-ai/langchain;

· jcelmeta14 opened on Aug 27, 2025

AzureChatOpenAI doesn't accept reasoning parameter

bugRelated to a bug, vulnerability, unexpected error with an existing featureRelated to a bug, vulnerability, unexpected error with an existing feature

Status: Open.

#32714 In langchain-ai/langchain;

· amanchaudhary-95 opened on Aug 27, 2025

RAG model in tutorial outputs JSON without thoughts instead of saying 'I don't know'

bugRelated to a bug, vulnerability, unexpected error with an existing featureRelated to a bug, vulnerability, unexpected error with an existing feature

Status: Open.

#32709 In langchain-ai/langchain;

· anupamck opened on Aug 27, 2025

ChatPromptTemplate.from_messages() fails with "missing variables {''}" error when system messages contain literal curly braces

Status: Open.

#32702 In langchain-ai/langchain;

· jkbrooks opened on Aug 26, 2025

Help with Implementing Reranking Using Ollama

documentationImprovements or additions to documentationImprovements or additions to documentation

Status: Open.

#32698 In langchain-ai/langchain;

· AryanKarumuri opened on Aug 26, 2025

structured output issue Lang chain using llm.with_structured_output(pydantic class)

bugRelated to a bug, vulnerability, unexpected error with an existing featureRelated to a bug, vulnerability, unexpected error with an existing feature

Status: Open.

#32687 In langchain-ai/langchain;

· fazalgonzer opened on Aug 26, 2025

Error while using Qwen/Qwen3-Reranker-0.6B with Cross Encoder Reranker

bugRelated to a bug, vulnerability, unexpected error with an existing featureRelated to a bug, vulnerability, unexpected error with an existing feature

Status: Open.

#32686 In langchain-ai/langchain;

· amanchaudhary-95 opened on Aug 26, 2025

<code>convert_to_openai_messages</code> does not handle the <code>ChatOpenAI</code> <code>response/v1</code> format

bugRelated to a bug, vulnerability, unexpected error with an existing featureRelated to a bug, vulnerability, unexpected error with an existing feature

Status: Open.

#32679 In langchain-ai/langchain;

· jmaillefaud opened on Aug 26, 2025

Error when loading a vectordb via langchain.vectorstores.Chroma on different server with different num of cpus.

bugRelated to a bug, vulnerability, unexpected error with an existing featureRelated to a bug, vulnerability, unexpected error with an existing feature

Status: Open.

#32678 In langchain-ai/langchain;

· Karas-Z opened on Aug 26, 2025

How to access and pass artifact in AgentExecutor / Agentic workflows

bugRelated to a bug, vulnerability, unexpected error with an existing featureRelated to a bug, vulnerability, unexpected error with an existing feature

Status: Open.

#32675 In langchain-ai/langchain;

· caesarw0 opened on Aug 25, 2025

Config not passed to tools when using AgentExecutor

bugRelated to a bug, vulnerability, unexpected error with an existing featureRelated to a bug, vulnerability, unexpected error with an existing feature

Status: Open.

#32671 In langchain-ai/langchain;

· Maxew42 opened on Aug 25, 2025

feat(deepseek): Strict-mode

help wantedGood issue for contributorsGood issue for contributors

Status: Open.

#32670 In langchain-ai/langchain;

· mdrxy opened on Aug 25, 2025