langgraph
https://github.com/langchain-ai/langgraph
Python
Build resilient language agents as graphs.
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- Issues
- Regression in 1.1.7 (#7498): time travel to a subgraph checkpoint reruns the whole subgraph from __start__
- DeltaChannel: forking a thread replays the abandoned branch's writes into the fork
- PostgresSaver: get_delta_channel_history permanently poisons walk cursor when target checkpoint isn't in the first pagination page, silently dropping DeltaChannel history
- Mapping check: which LangGraph surfaces should count as a pipeline's own fault-detection act?
- sdk-py: @overload stubs in runs.py omit parameters the implementations accept, so type checkers reject valid calls (durability, stream_resumable, context)
- AsyncThreadStream.close() does not unblock active subscribe() iterators
- Misleading PydanticSerializationUnexpectedValue(Expected `none`) warning for `context` field when using context_schema
- Add DPX settlement example — compliance-gated invoice settlement with typed state graph
- AsyncPostgresSaver: support disabling pipeline for PgBouncer transaction mode
- fix(cli): add monorepo commands to dockerfile
- Docs
- Python not yet supported