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LangGraph

Verified
Artificial Intelligence • USA
Official Site

Framework for building controllable multi-actor applications and agentic workflows.

Tracked Changes
10
Pricing Shifts
0
Features & Launches
10
Last Verified Event
Sep 23, 2026

LangGraph Chronological Timeline

2026
featureSep 23, 2026
96% Verified

langgraph-cli==0.4.32.dev0

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.

Before: langgraph-cli version 0.4.32 stable.
After: langgraph-cli version 0.4.32.dev0 development build.
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featureSep 23, 2026
96% Verified

langgraph-cli==0.4.32

<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...

Before: Previous platform capabilities and architecture.
After: Updated platform deployment with langgraph-cli==0.4.32.
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featureSep 21, 2026
96% Verified

langgraph==1.2.12

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.

Before: The interrupt() function lacked native support for response_schema, and v3 stream projections had undeclared types.
After: Developers can now enforce structured output schemas within interrupt() calls, and v3 stream projections have explicit type declarations.
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featureSep 21, 2026
96% Verified

langgraph-sdk==0.4.5

<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...

Before: Previous platform capabilities and architecture.
After: Updated platform deployment with langgraph-sdk==0.4.5.
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featureAug 27, 2026
96% Verified

langgraph-sdk==0.4.4

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

Before: LangSmith trace routing was not natively integrated into thread stream outputs.
After: LangSmith traces are now routable directly from thread streams.
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featureAug 19, 2026
96% Verified

langgraph-sdk==0.4.3

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.

Before: The SDK lacked a native mechanism to decrypt replacement results during graph execution.
After: The SDK now supports decryption of replacement results, enabling more secure handling of state updates.
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featureAug 11, 2026
96% Verified

langgraph==1.2.11

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.

Before: Tracing behavior was not configurable at the individual node level via add_node, and delta channel history had potential issues with plain-value seed collection.
After: Developers can now explicitly define trace_policy on add_node, and checkpointing logic has been updated to version 4.2.0 with improved delta channel history handling.
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featureAug 7, 2026
96% Verified

langgraph-checkpoint-postgres==3.1.2

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.

Before: The system lacked a unified conformance test suite for storage backends and contained a bug preventing the correct identification of plain-value seeds in delta history.
After: The system now includes a conformance test suite for Postgres/SQLite and correctly resolves plain-value seeds during delta history traversal.
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featureAug 7, 2026
96% Verified

langgraph-checkpoint==4.2.0

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.

Before: Postgres checkpoint reads included expired rows by default, and delta channel history had a bug in write collection at plain-value seeds.
After: Developers can now use 'omit_expired' to filter expired rows on read, and delta channel history correctly handles writes at plain-value seeds.
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featureJul 30, 2026
96% Verified

langgraph-checkpoint-sqlite==3.1.1

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.

Before: Namespace matching in checkpoint-sqlite and checkpoint-postgres was not strictly scoped to segment boundaries.
After: Namespace matching is now strictly scoped to segment boundaries, and LangSmith is updated to version 0.8.18.
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Complete LangGraph Change Log Index

DateChange TitleTypeImpactDetails
Sep 23, 2026langgraph-cli==0.4.32.dev0feature2/10View ➔
Sep 23, 2026langgraph-cli==0.4.32feature8/10View ➔
Sep 21, 2026langgraph==1.2.12feature6/10View ➔
Sep 21, 2026langgraph-sdk==0.4.5feature8/10View ➔
Aug 27, 2026langgraph-sdk==0.4.4feature7/10View ➔
Aug 19, 2026langgraph-sdk==0.4.3feature6/10View ➔
Aug 11, 2026langgraph==1.2.11feature7/10View ➔
Aug 7, 2026langgraph-checkpoint-postgres==3.1.2feature6/10View ➔
Aug 7, 2026langgraph-checkpoint==4.2.0feature7/10View ➔
Jul 30, 2026langgraph-checkpoint-sqlite==3.1.1feature7/10View ➔