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chore(deps): bump @langchain/core from 1.2.17 to 1.2.18 - #86

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dependabot/npm_and_yarn/langchain/core-1.2.18

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@dependabot dependabot Bot commented on behalf of github Oct 20, 2026 •

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Bumps @langchain/core from 1.2.17 to 1.2.18.

Release notes

Sourced from @​langchain/core's releases.

@​langchain/core@​1.2.18

Patch Changes

  • #11956 93d62b0 Thanks @​hntrl! - Require langsmith >=0.11.0 to include the restored NullableHeaders type declarations.

  • #11822 d3e6fe6 Thanks @​dqbd! - Add explicit agent address support to LangChainTracer, inherit project and address destinations together, and delegate default destination resolution to the LangSmith SDK.

  • #11150 cea15cf Thanks @​mdnanocom! - fix(core): defer tool call chunk collapsing in AIMessageChunk to fix O(n²) streaming aggregation

    AIMessageChunk eagerly re-ran collapseToolCallChunks in its constructor on every streamed delta concat, re-parsing all accumulated tool args each time — O(n²) over a stream, which can block the event loop for seconds on long tool-call streams. Collapsing now runs lazily, once, on first read of tool_calls / invalid_tool_calls.

Commits
  • ba363b1 chore: version packages (#11937)
  • 93d62b0 fix: require langsmith with restored header declarations (#11956)
  • 57d0e02 fix(google): support Argon thinking and preserve streaming usage (#11940)
  • 73a739c feat(aws): map Bedrock thinking tokens to output_token_details.reasoning (#11...
  • 227f01c feat(langchain): support HITL respond decisions (#11498)
  • d3e6fe6 feat(core): add explicit address support to LangChainTracer (#11822)
  • cea15cf fix(core): defer tool call chunk collapsing in AIMessageChunk to fix O(n²) st...
  • 20c38bf fix: bump vulnerable transitive dependencies (#11920)
  • b2c1134 chore: version packages (#11881)
  • aa1b519 docs: fix typo in README (#11443)
  • Additional commits viewable in compare view

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dependabot Bot requested a review from BunsDev as a code owner October 20, 2026 08:45
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The following labels could not be found: dependencies. Please create it before Dependabot can add it to a pull request.

Please fix the above issues or remove invalid values from dependabot.yml.

Bumps [@langchain/core](https://github.com/langchain-ai/langchainjs) from 1.2.17 to 1.2.18.
- [Release notes](https://github.com/langchain-ai/langchainjs/releases)
- [Commits](https://github.com/langchain-ai/langchainjs/compare/@langchain/core@1.2.17...@langchain/core@1.2.18)

---
updated-dependencies:
- dependency-name: "@langchain/core"
  dependency-version: 1.2.18
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
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dependabot Bot force-pushed the dependabot/npm_and_yarn/langchain/core-1.2.18 branch from 1f35acc to 34749d0 Compare October 23, 2026 01:20
@dependabot @github

dependabot Bot commented on behalf of github Oct 27, 2026

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Superseded by #90.

@dependabot dependabot Bot closed this Oct 27, 2026
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dependabot Bot deleted the dependabot/npm_and_yarn/langchain/core-1.2.18 branch October 27, 2026 08:46

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