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Stream Graph with stream_mode= 'messages', gives error : TypeError: Type is not msgpack serializable: AIMessage

bugSomething isn't workingSomething isn't working

pendingawaiting review/confirmation by maintainerawaiting review/confirmation by maintainer

Status: Open.

#6275 In langchain-ai/langgraph;

· SparrowSolutions opened on Oct 13, 2025

[langgraph]: <Please write a comprehensive title>

Status: Open.

#6278 In langchain-ai/langgraph;

· wanjundegithub opened on Oct 13, 2025

KeyError: when using subgraph inside Parent workflow

bugSomething isn't workingSomething isn't working

pendingawaiting review/confirmation by maintainerawaiting review/confirmation by maintainer

Status: Open.

#6272 In langchain-ai/langgraph;

· BennisonDevadoss opened on Oct 11, 2025

UI messages from nested agents don't stream after interrupt/resume

bugSomething isn't workingSomething isn't working

pendingawaiting review/confirmation by maintainerawaiting review/confirmation by maintainer

Status: Open.

#6270 In langchain-ai/langgraph;

· ava6969 opened on Oct 11, 2025

When langgraph's stream_mode includes custom, the cached results do not contain custom data.

bugSomething isn't workingSomething isn't working

pendingawaiting review/confirmation by maintainerawaiting review/confirmation by maintainer

Status: Open.

#6265 In langchain-ai/langgraph;

· AstonyCat opened on Oct 10, 2025

[langgraph]: graph.get_state_history(config) cannot output the complete snapshot history

Status: Open.

#6279 In langchain-ai/langgraph;

· wanjundegithub opened on Oct 10, 2025

Command goto not routing correctly in astream

bugSomething isn't workingSomething isn't working

pendingawaiting review/confirmation by maintainerawaiting review/confirmation by maintainer

Status: Open.

#6248 In langchain-ai/langgraph;

· wongjingping opened on Oct 8, 2025

langgraph.cache.redis.RedisCache does not work with async redis client

bugSomething isn't workingSomething isn't working

pendingawaiting review/confirmation by maintainerawaiting review/confirmation by maintainer

Status: Open.

#6247 In langchain-ai/langgraph;

· rafaelrpinto opened on Oct 8, 2025

LangGraph CLI treats InjectedState as required tool parameter and fails the validation

bugSomething isn't workingSomething isn't working

pendingawaiting review/confirmation by maintainerawaiting review/confirmation by maintainer

Status: Open.

#6241 In langchain-ai/langgraph;

· codeonym opened on Oct 6, 2025

TypeError in InMemoryStore.alist_namespaces when namespace contains None values

bugSomething isn't workingSomething isn't working

pendingawaiting review/confirmation by maintainerawaiting review/confirmation by maintainer

Status: Open.

#6240 In langchain-ai/langgraph;

· PetarVukovicFormify opened on Oct 6, 2025

thread_id too long for Postgres checkpoint

bugSomething isn't workingSomething isn't working

pendingawaiting review/confirmation by maintainerawaiting review/confirmation by maintainer

Status: Open.

#6239 In langchain-ai/langgraph;

· Freezaa9 opened on Oct 6, 2025

React agent returns empty response

bugSomething isn't workingSomething isn't working

pendingawaiting review/confirmation by maintainerawaiting review/confirmation by maintainer

Status: Open.

#6235 In langchain-ai/langgraph;

· ndhuy4 opened on Oct 3, 2025