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PyPI · #461 most downloaded on PyPI
SDK for interacting with LangGraph API
Last release 13 days ago
21 Sep 2026
Release timing varies
gaps range from 8 days to 3 months
Rarely documented
notes for 6 of the last 60 stable releases
2 versions withdrawn
withdrawn after publishing
2 years old
103 releases · first in 2024
chore(deps): bump anyio from 4.14.2 to 4.15.1 in /libs/sdk-py
Changes since sdk==0.4.4
One column per month.
feat: route LangSmith traces from thread streams
feat(sdk-py): add decrypt replacement result
Changes since sdk==0.4.2
README.md structure (#8064)lc_versions config metadata (#8052)langgraph: decouple name from assistant ID in RemoteGraph
Changes since 0.4.1
Fixed an issue handling END in StateGraph edges to properly terminate graph execution #4458
END in StateGraph edges to properly terminate graph execution #4458merge parameter #4473TAG_NOSTREAM from "langsmith:nostream" to "nostream", maintaining backwards compatibility #4473push_ui_message #4467END constant in get_writes and _control_static functions, ensuring proper graph termination when returning to END #4458merge parameter to push_ui_message function, allowing incremental updates to UI messages #4473ui_message_reducer to support merging props from existing messages when the merge flag is set #4473push_ui_message by removing old metadata merging which could cause unexpected behavior #4467TAG_NOSTREAM from "langsmith:nostream" to "nostream" #4473TAG_NOSTREAM_ALT with the old value ("langsmith:nostream") for backward compatibility #4473SchemaCoercionMapper #4448lru_cache for better performance #4448Added improved support for interrupt handling in streaming modes, with interrupts now properly propagated in "values" stream mode #4374
"values" stream mode #4374interrupt_id property that generates a unique ID for the interrupt based on its namespace #4406| as a separator between namespace elements for better uniqueness #4406"values" mode emits all values including interrupts after each step #4374interrupts field to track interrupts that occurred in a step and are pending resolution #4406resume parameter to support mapping interrupt IDs to resume values #4406resume parameter #4406invoke and ainvoke methods to properly collect and handle interrupts in streamed output #4374"values" and "updates" stream modes #4374Nothing published for this version
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