langgraph
https://github.com/langchain-ai/langgraph
Python
Build resilient language agents as graphs.
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- Issues
- [BUG] keep_latest prune raises NotImplementedError for DeltaChannel threads
- defer=True node runs while a Send chain is still in flight (and then runs a second time)
- ci: harden release workflows
- `langgraph dockerfile` writes `\r\r\n` line endings on Windows (`os.linesep` in `langgraph_cli/config.py`)
- test(langgraph): add distributed scripted DeltaChannel benchmarks
- `langgraph.json`: `validate_config` accepts malformed `auth`/`encryption`/`priority`/`http`/`checkpointer` sections, and a non-string `path` raises a bare `TypeError`
- test: unskip test_nested_tracing — it fails on LangSmith multipart parsing, not a CI timeout
- JsonPlusSerializer: msgpack encode of dataclass-heavy values spends most of its time in `isinstance(obj, SendProtocol)` on Python 3.11
- `durability="exit"`: a node still running when its sibling fails finishes, but its writes are not saved, so resuming runs it again
- langgraph, prebuilt: make help documents TEST_FILE, but the test target reads TEST
- Docs
- Python not yet supported