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chore(deps-dev): bump @langchain/langgraph from 1.4.9 to 1.4.12 - #193

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@dependabot dependabot Bot commented on behalf of github Aug 28, 2026

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Bumps @langchain/langgraph from 1.4.9 to 1.4.12.

Release notes

Sourced from @​langchain/langgraph's releases.

@​langchain/langgraph@​1.4.12

Patch Changes

  • #2714 a2a59ec Thanks @​hntrl! - Update checkpoint integrations to require the patched checkpoint serializer release.

  • Updated dependencies [a2a59ec]:

    • @​langchain/langgraph-checkpoint@​1.1.5

@​langchain/langgraph@​1.4.11

Patch Changes

  • #2706 eaa5472 Thanks @​zduric-langchain! - fix(langgraph): dedupe merged callback handlers by identity

    mergeCallbacks concatenated handlers and inheritableHandlers while deduping tags, so a handler inherited by both the ambient and the explicit config picked up an extra registration at every graph boundary. With tracing on, a nested streamMode: "messages" run delivered every token twice.

  • Updated dependencies [3ce9f8d, 51b4202, a86f813]:

    • @​langchain/langgraph-sdk@​1.9.30

@​langchain/langgraph@​1.4.10

Patch Changes

Changelog

Sourced from @​langchain/langgraph's changelog.

1.4.12

Patch Changes

  • #2714 a2a59ec Thanks @​hntrl! - Update checkpoint integrations to require the patched checkpoint serializer release.

  • Updated dependencies [a2a59ec]:

    • @​langchain/langgraph-checkpoint@​1.1.5

1.4.11

Patch Changes

  • #2706 eaa5472 Thanks @​zduric-langchain! - fix(langgraph): dedupe merged callback handlers by identity

    mergeCallbacks concatenated handlers and inheritableHandlers while deduping tags, so a handler inherited by both the ambient and the explicit config picked up an extra registration at every graph boundary. With tracing on, a nested streamMode: "messages" run delivered every token twice.

  • Updated dependencies [3ce9f8d, 51b4202, a86f813]:

    • @​langchain/langgraph-sdk@​1.9.30

1.4.10

Patch Changes

Commits
  • 6530ba9 chore: version packages (#2715)
  • c3b27a9 fix(checkpoint): narrow re-constructable types in JsonPlusSerializer (#2709)
  • 659d628 chore: version packages (#2704)
  • eaa5472 fix(langgraph): dedupe merged callback handlers by identity (#2706)
  • f6b41bf chore: version packages (#2698)
  • 00f68a1 fix(langgraph): keep context values out of tracer-derived metadata (#2690)
  • 6ac60da chore(deps): bump the langchain group across 1 directory with 5 updates (#2651)
  • See full diff in compare view

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Bumps [@langchain/langgraph](https://github.com/langchain-ai/langgraphjs/tree/HEAD/libs/langgraph-core) from 1.4.9 to 1.4.12.
- [Release notes](https://github.com/langchain-ai/langgraphjs/releases)
- [Changelog](https://github.com/langchain-ai/langgraphjs/blob/main/libs/langgraph-core/CHANGELOG.md)
- [Commits](https://github.com/langchain-ai/langgraphjs/commits/@langchain/langgraph@1.4.12/libs/langgraph-core)

---
updated-dependencies:
- dependency-name: "@langchain/langgraph"
  dependency-version: 1.4.12
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Dependency update or compatibility work javascript labels Aug 28, 2026
@github-actions github-actions Bot removed dependencies Dependency update or compatibility work javascript labels Aug 28, 2026
@github-actions
github-actions Bot requested a review from sjungwon03-ai August 28, 2026 11:45

@sjungwon03-ai sjungwon03-ai left a comment

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The declared and locked LangGraph dependency updates are internally consistent, and the required exact-head CI verification completed successfully.

@dependabot @github

dependabot Bot commented on behalf of github Sep 4, 2026

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Superseded by #199.

@dependabot dependabot Bot closed this Sep 4, 2026
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dependabot Bot deleted the dependabot/npm_and_yarn/langchain/langgraph-1.4.12 branch September 4, 2026 11:44
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