langgraph
https://github.com/langchain-ai/langgraph
Python
Build resilient language agents as graphs.
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- Issues
- feat: support multiple extra LangSmith trace projects in SDK
- langgraph-runtime-inmem generates duplicate SSE ids for resumable streams within the same millisecond
- Race condition in PregelLoop.put_writes() causes silent checkpoint data loss
- PostgresSaver constructor in from_conn_string without `serde`
- feat(cli): allow prebuild images for langgraph deploy
- Feature: Documentation for Local Code Execution in Graph Workflows
- astream_events(version="v3") drops usage_metadata.input_token_details / output_token_details (cache_read, cache_write, reasoning)
- join_stream in sdk-py does not support v2 streaming
- langgraph up distributed mode ignores --postgres-uri for orchestrator/executor services
- BinaryOperatorAggregate.__eq__ raises AttributeError for reducers without __name__ (e.g. functools.partial, callable instances) when a reducer field is shared across schemas
- Docs
- Python not yet supported