langgraph
https://github.com/langchain-ai/langgraph
Python
Build resilient language agents as graphs.
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- Issues
- langgraph-cli 0.4.21: Missing `typing_extensions` dependency causes ModuleNotFoundError on clean environments
- Long tool calls (~180s+) silently re-executed from checkpoint on LangGraph Cloud
- fix(checkpoint): InMemoryStore.put() overwrites created_at on update
- `langgraph-prebuilt` v1.0.9 breaks with older versions of `langgraph`. Cannot import name 'ServerInfo' from 'langgraph.runtime'
- docs(checkpoint): add docstrings to serde layer
- Suggest: generate random Postgres password instead of hardcoded default in Docker Compose
- fix(langgraph): preserve message IDs and additional_kwargs in add_messages format="langchain-openai"
- bug: add_messages(format="langchain-openai") strips message IDs and additional_kwargs
- AsyncPostgresSaver enforces an instance-level asyncio.Lock during asynchronous execution
- perf(checkpoint-sqlite): N+1 query pattern in SqliteSaver.list() and AsyncSqliteSaver.alist()
- Docs
- Python not yet supported