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langgraph

v1.2.5 Feature

This release adds 1 notable feature for engineering teams evaluating rollout.

✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

agents ai ai-agents chatgpt deepagents enterprise
+9 more
gemini generative-ai langchain langgraph llm multiagent openai pydantic python

Summary

AI summary

Updates langgraph, cli, and fix across a mixed release.

Changes in this release

Feature Low

Releases langgraph version 1.2.5

Releases langgraph version 1.2.5

Source: llm_adapter@2026-06-12

Confidence: low

Feature Low

Releases cli version 0.4.28

Releases cli version 0.4.28

Source: llm_adapter@2026-06-12

Confidence: low

Dependency Low

Updates dev dependency types-requests to 2.33.0.20260518 in /libs/langgraph

Updates dev dependency types-requests to 2.33.0.20260518 in /libs/langgraph

Source: llm_adapter@2026-06-12

Confidence: high

Dependency Low

Bumps minor‑and‑patch group dependencies with 14 updates in /libs/langgraph

Bumps minor‑and‑patch group dependencies with 14 updates in /libs/langgraph

Source: llm_adapter@2026-06-12

Confidence: high

Bugfix Medium

Fixes updateState bug for deltaChannel on empty thread

Fixes updateState bug for deltaChannel on empty thread

Source: llm_adapter@2026-06-12

Confidence: high

Refactor Low

Migrates Python type checking to ty library

Migrates Python type checking to ty library

Source: llm_adapter@2026-06-12

Confidence: high

Full changelog

Changes since 1.2.4

  • release(langgraph): 1.2.5 (#8062)
  • fix(langgraph): merge lc_versions config metadata (#8052)
  • release(cli): 0.4.28 (#8041)
  • fix: updateState bug for deltaChannel on empty thread (#8011)
  • chore: migrate Python type checking to ty (#8002)
  • chore(deps-dev): bump types-requests from 2.33.0.20260408 to 2.33.0.20260518 in /libs/langgraph (#7977)
  • chore(deps): bump the minor-and-patch group in /libs/langgraph with 14 updates (#7975)

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About langgraph

Build resilient language agents as graphs.

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Related context

Beta — feedback welcome: [email protected]