langgraph
https://github.com/langchain-ai/langgraph
Python
Build resilient language agents as graphs.
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- Issues
- chore(deps-dev): bump mypy from 1.20.2 to 2.1.0 in /libs/prebuilt in the major group
- chore(deps): bump redis and starlette in /libs/langgraph
- langgraph-api 0.9.0: request validator rejects stream_mode "tools"/"lifecycle" though StreamMode type & runtime accept them (breaks useStream toolProgress on self-hosted)
- ToolNode silently overwrites duplicate tool names before dispatch
- ToolNode accepts ToolMessage results bound to sibling tool_call_id values
- Bug: ToolNode._normalize_tool_response raises TypeError for MCP tools returning content block lists
- Nested astream_events(v3) inside a tool yields empty messages due to parent callback leaking via contextvar
- Add HVTracker badge to README?
- Proposal: URML (substrate-neutral robot intent) manifest declaration for LangGraph as an agent-orchestration substrate
- langgraph-checkpoint-postgres + psycopg 3: `aget_tuple` raises `operator does not exist: text = bytea` on fresh thread / empty checkpoint_ns
- Docs
- Python not yet supported