langchain-ai/langchain

Issues

• AddableUpdatesDict does not support right-side addition

  #33046 opened 2 months ago by HERIUN
  3

• FalkorDB uses Euclidean distance instead of Cosine despite default and explicit settings

  #33081 opened a month ago by Akanksha-turinton
  6

• Harmony: bad request on gpt-oss-120b and tool calls with `create_react_agent`

  #32885 opened 2 months ago by d-r-e
  21

• cannot initialize embedding model using langchain-ollama after update

  #33138 opened a month ago by blue-keeper
  2

• create_agent() fails with RunnableWithFallbacks when using middleware

  #33129 opened a month ago by bart0401
  2

• Modifying a node that uses with_structured_output deletes all the threads in LangGraph Studio

  #33128 opened a month ago by bernatsampera
  2

• create_agent support fallback

  #33082 opened a month ago by tornadotang
  2

• llama_decode returns -1 when trying to add documents to a PGVector (store)

  #33083 opened a month ago by sidietz
  10

• Adding GPT-5 `max_completion_tokens` in `AzureChatOpenAI`

  #32949 opened 2 months ago by cLottek
  0

• langchain_ollama not able to do structured outputs for gpt-oss

  #33116 opened a month ago by ChrisRawstone
  10

• Feature: Support GoogleGenerativeAIEmbeddings using application default credentials

  #33049 opened 2 months ago by bkarduck
  3

• ```RunnableConfig``` not passed into tools when using ```AgentExecutor```

  #33080 opened a month ago by Sibinraj06
  1

• Support for Sarvam Chat Model Integration

  #33100 opened a month ago by Nightwing-77
  1

• Support for decentralized agent-to-agent communication (HyperCortex Mesh Protocol, HMP)

  #33092 opened a month ago by kagvi13
  0

• Streaming inactivity timeout incorrectly aborts after total timeout ( @langchain/openai": "^1.0.0-alpha.1" )

  #33014 opened 2 months ago by mlibre
  4

• AIMLAPI: support Function Calling

  #33000 opened 2 months ago by Muhammadzainattiq
  5

• ChatOpenAI can now accept a callable for api_key, not just a string

  #33051 opened 2 months ago by pamelafox
  1

• ChatBedrockConverse does not emit on_chat_model_stream events in LangGraph astream_events()

  #33059 opened 2 months ago by jabrPromtior
  0

• Richer Interface for Multimodal Data and BaseChat Interaction

  #33056 opened a month ago by mprudra
  0

• reasoning parameter not working as expected in chatollama

  #33041 opened 2 months ago by mudassir206
  2

• Human in loop middleware's edit argument passing issue

  #32988 opened 2 months ago by MissLostCodes
  2

• Reasoning tokens not passing through from OpenRouter to `ChatOpenAI`

  #32981 opened 2 months ago by sinanuozdemir
  2

• `trim_messages` devx request

  #32942 opened 2 months ago by sydney-runkle
  1

• feat(langchain): consider adding `llm` as alias for `model` in `create_agent`

  #33005 opened 2 months ago by mdrxy
  0

• pylance type checking error when importing tool decorator

  #33019 opened 2 months ago by le-codeur-rapide
  4

• Can't use LangFuse with LangChain v1-alpha

  #33018 opened 2 months ago by SAIL-Fang
  1

• OutputParserException when using Ollama instead of Gemini

  #33016 opened 2 months ago by philippe-lavoie
  0

• Receive BadRequest 400 when invoking GPT-OSS-20B

  #32999 opened 2 months ago by LIN-Yu-Ting
  2

• chat_ollama ResourceWarning: unclosed socket.socket

  #32998 opened 2 months ago by suckseed5
  1

• BurnCloud seeks to contribute enhancements - Permission to submit PR

  #33003 opened 2 months ago by zuiyue-com
  1

• `StringPromptTemplate` is missing implementation of abstract base method `format`

  #33002 opened 2 months ago by Simon-Stone
  1

• test(openai): increase max `test_base` max tokens

  #32972 opened 2 months ago by mdrxy
  2

• Feature Request: Add native OpenSearch vector database support for vector storage and retrieval

  #32984 opened 2 months ago by mark-qin-derbysoft
  0

• Tool decorated with `@tool` returns string instead of structured Pydantic object in `on_tool_end` callback

  #32953 opened 2 months ago by rushant001
  2

• Unable to retrieve raw LLM response on JSON parsing error during structured output with retries; subsequent retries are extremely slow

  #32977 opened 2 months ago by rushant001
  0

• OpenRouter via ChatOpenAI in create_agent

  #32967 opened 2 months ago by teron131
  0

• The current `create_agent` agent's `invoke()` response cannot include a `structured_response`.

  #32951 opened 2 months ago by precious0612
  0

• only google search?how about baidu search?how to use it?

  #32936 opened 2 months ago by henbucuoshanghai
  4

• Support configuring `init_chat_model` via `context_schema`

  #32954 opened 2 months ago by NIK-TIGER-BILL
  0

• Missing `prompt_cache_key` in BaseChatOpenAI

  #32939 opened 2 months ago by keenborder786
  1

• Support vendor-native prompt caching (such as OpenAI's `prompt_cache_key` parameter)

  #32937 opened 2 months ago by DougieHauser
  1

• AI streaming works locally but responses are cut off in Vercel deployment

  #32944 opened 2 months ago by glaksmono
  0

• core: `ToolMessage.status` is not preserved by `core.messages.utils.convert_to_messages`

  #32835 opened 2 months ago by Drew-Wagner
  3

• Improve PR templates

  #32909 opened 2 months ago by mdrxy
  1

• `ToolNode` `ainvoke` freezes if `sse_read_timeout`

  #32853 opened 2 months ago by pi-crust
  2

• DeepSeek R1 `reasoning_content` not accessible

  #32845 opened 2 months ago by Burlesque1
  2

• FlareChain.from_llm ignores supplied llm

  #32846 opened 2 months ago by Gal-bloch
  1

• standard-tests: some vector store tests mistakenly assume get_by_ids preserves document order

  #32820 opened 2 months ago by hemidactylus
  0

• Anthropic: Usage metadata is inaccurate for prompt cache reads/writes

  #32818 opened 2 months ago by msukmanowsky
  2

• BaseChatModel.agenerate() missing 1 required positional argument: 'messages'

  #32826 opened 2 months ago by arianx55678
  0