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langgraph sdk-py to support websockets 16

bugSomething isn't workingSomething isn't working

external

Status: Open.

Bug

#8021 In langchain-ai/langgraph;

· hagen00 opened on Jun 7, 2026

update_state on fresh DeepAgentState thread drops first messages write

bugSomething isn't workingSomething isn't working

external

Status: Open.

Bug

#8012 In langchain-ai/langgraph;

· lazyhope (ic-zl) opened on Jun 5, 2026

default_cache_key collides distinct inputs that share tobytes() (numpy dtype / PIL palette) when passed as keyword args

bugSomething isn't workingSomething isn't working

external

Status: Open.

Bug

#8009 In langchain-ai/langgraph;

· 3em0 opened on Jun 5, 2026

Topic/NamedBarrierValue from_checkpoint aliases the checkpoint container instead of copying

external

Status: Open.

#7992 In langchain-ai/langgraph;

· vidigoat opened on Jun 2, 2026

Allow binding context at the graph level (so servers don't seed the internal runtime slot)

internal

Status: Open.

#7990 In langchain-ai/langgraph;

· Nick Hollon (nick-hollon-lc) opened on Jun 2, 2026

ToolNode accepts ToolMessage results bound to sibling tool_call_id values

external

Status: Open.

#7989 In langchain-ai/langgraph;

· HaoJun (White-Mouse) opened on Jun 2, 2026

ToolNode silently overwrites duplicate tool names before dispatch

external

Status: Open.

#7988 In langchain-ai/langgraph;

· HaoJun (White-Mouse) opened on Jun 2, 2026

langgraph-api 0.9.0: request validator rejects stream_mode "tools"/"lifecycle" though StreamMode type & runtime accept them (breaks useStream toolProgress on self-hosted)

external

Status: Open.

#7986 In langchain-ai/langgraph;

· Jonathan Lindroth (jolumoo) opened on Jun 2, 2026

Bug: ToolNode._normalize_tool_response raises TypeError for MCP tools returning content block lists

bugSomething isn't workingSomething isn't working

external

Status: Open.

Bug

#7985 In langchain-ai/langgraph;

· ouyanglk (AndrewOYLK) opened on Jun 2, 2026

Add HVTracker badge to README?

external

Status: Open.

#7950 In langchain-ai/langgraph;

· Yugant M. Hadiyal (YugantM) opened on May 30, 2026

Nested astream_events(v3) inside a tool yields empty messages due to parent callback leaking via contextvar

external

Status: Open.

#7948 In langchain-ai/langgraph;

· sayanths05 opened on May 30, 2026

Proposal: URML (substrate-neutral robot intent) manifest declaration for LangGraph as an agent-orchestration substrate

external

Status: Open.

#7929 In langchain-ai/langgraph;

· Ido Yahalomi (idoco2003) opened on May 28, 2026