LangGraph

LangGraph version 1.2.16 introduces critical fixes for state resumption logic, specifically addressing issues with invalid resume values and redundant task execution. The release also includes version updates for the prebuilt components to 1.1.1 and checkpoint-postgres to 3.2.0.

The langgraph-sdk has been updated to version 0.4.8 alongside langgraph core 1.2.16 and prebuilt 1.1.1. This release introduces a critical fix to surface thread stream errors and terminates retries for rejected streams.

The langgraph-cli has been updated to version 0.4.36 to include support for serverless and dedicated deployment aliases. It also resolves an issue regarding Docker context propagation during the deployment process.

This release updates langgraph-prebuilt to version 1.1.1 and includes core library updates for langgraph (1.2.15), checkpoint-postgres (3.2.0), and checkpoint-sqlite (3.1.2). It specifically addresses a bug where ToolNode incorrectly suppressed invalid resume values and improves the ordering logic for delta channel replays.

LangGraph has released version 3.2.0 of the Postgres checkpoint library. This update introduces a prune method to both PostgresSaver and AsyncPostgresSaver classes.

The release introduces support for private container registry authentication via the --image-pull-secret flag and improves deployment observability by preserving logs from failed builds. It also updates the registry login mechanism to utilize usernames returned by the control plane.

The langgraph-cli has been updated to version 0.4.34. This release introduces a --json flag for the deploy listeners list command.

This release updates the checkpointing logic to treat empty checkpoint IDs as the latest version in delta history and optimizes delta walk performance by starting at the target. It also introduces mandatory namespace label validation before store dispatch and fixes the ordering of delta channel replays.

This release updates the checkpointing logic to treat empty checkpoint IDs as the latest entry in delta history and enforces namespace label validation before store dispatch. It also improves delta channel replay ordering and optimizes ancestor traversal using parent pointers.

The langgraph-sdk has been updated to version 0.4.7, alongside langgraph core releases 1.2.14 and 1.2.15. This update introduces specific fixes for thread stream lifecycle management and delta channel replay ordering.

LangGraph version 1.2.15 introduces mandatory ID assignment for messages in DeltaChannels and corrects state persistence logic for cached nodes and update_state operations. It also refines breakpoint handling during drain requests and improves checkpoint branch isolation.

The release introduces the --image-uri flag for deploying pre-pushed container images and adds a command to list deployment listeners. It also includes dependency updates for virtualenv and various minor library patches.

LangGraph version 1.2.14 has been released as a maintenance update. This release corresponds to pull request #9215 in the official repository.

<p>Changes since sdk==0.4.5</p> <ul> <li>release(sdk-py): 0.4.6 (<a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="5729665988" data-permission-text="Title is private" data-url="https://g...

LangGraph version 1.2.13 introduces critical fixes for state management, specifically addressing checkpoint branching and DeltaChannel synchronization. It resolves issues where abandoned branches were incorrectly replayed and ensures DeltaChannel counters are accurately maintained across all update_state paths.

This release introduces a development build of the LangGraph command-line interface. It serves as a pre-release iteration following the stable 0.4.32 version.

<p>Changes since cli==0.4.31</p> <ul> <li>feat(cli): place self-hosted deployments on a listener (<a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="5543752288" data-permission-text="Titl...

LangGraph version 1.2.12 introduces a response_schema parameter to the interrupt() function. It also includes dependency updates for soupsieve to 2.9 and mistune to 3.3.4.

<p>Changes since sdk==0.4.4</p> <ul> <li>release(sdk-py): 0.4.5 (<a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="5503650517" data-permission-text="Title is private" data-url="https://g...

The langgraph-sdk has been updated to version 0.4.4. This release introduces the ability to route LangSmith traces directly from thread streams.

The langgraph-sdk has been updated to version 0.4.3, introducing a new capability to decrypt replacement results. This release also includes dependency updates and internal code quality enforcement via PLC0415 linting.

LangGraph 1.2.11 introduces a trace_policy parameter to the add_node method and updates checkpointing components. It also includes a fix for delta channel history collection at plain-value seeds.

This release updates langgraph-checkpoint-postgres to version 3.1.2 and includes a fix for finding plain-value seeds during delta history traversal. It also integrates a conformance test suite for both Postgres and SQLite checkpoint implementations.

LangGraph checkpoint version 4.2.0 introduces an opt-in 'omit_expired' parameter for Postgres to filter expired rows during read operations. It also includes a critical fix for delta channel history to correctly collect writes at plain-value seeds.

This release updates the namespace matching logic to strictly scope to segment boundaries for both SQLite and Postgres checkpoints. It also includes a dependency update for LangSmith from version 0.8.0 to 0.8.18.