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chore(deps): bump fast-xml-parser and @langchain/anthropic#52

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chore(deps): bump fast-xml-parser and @langchain/anthropic#52
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@dependabot dependabot Bot commented on behalf of github Jan 30, 2026

Removes fast-xml-parser. It's no longer used after updating ancestor dependency @langchain/anthropic. These dependencies need to be updated together.

Removes fast-xml-parser

Updates @langchain/anthropic from 0.3.11 to 1.3.12

Release notes

Sourced from @​langchain/anthropic's releases.

@​langchain/anthropic@​1.3.11

Patch Changes

@​langchain/anthropic@​1.3.10

Patch Changes

@​langchain/anthropic@​1.3.8

Patch Changes

@​langchain/anthropic@​1.3.7

Patch Changes

  • Updated dependencies [23be5af]:
    • @​langchain/core@​1.1.12

@​langchain/anthropic@​1.3.6

Patch Changes

  • Updated dependencies [a46a249]:
    • @​langchain/core@​1.1.11
Commits
Maintainer changes

This version was pushed to npm by [GitHub Actions](https://www.npmjs.com/~GitHub Actions), a new releaser for @​langchain/anthropic since your current version.


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Removes [fast-xml-parser](https://github.com/NaturalIntelligence/fast-xml-parser). It's no longer used after updating ancestor dependency [@langchain/anthropic](https://github.com/langchain-ai/langchainjs). These dependencies need to be updated together.


Removes `fast-xml-parser`

Updates `@langchain/anthropic` from 0.3.11 to 1.3.12
- [Release notes](https://github.com/langchain-ai/langchainjs/releases)
- [Commits](https://github.com/langchain-ai/langchainjs/commits)

---
updated-dependencies:
- dependency-name: fast-xml-parser
  dependency-version: 
  dependency-type: indirect
- dependency-name: "@langchain/anthropic"
  dependency-version: 1.3.12
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file javascript Pull requests that update javascript code labels Jan 30, 2026
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cursor Bot commented Jan 30, 2026

PR Summary

Medium Risk
Dependency-only change, but it upgrades @langchain/anthropic across a major version with new transitive deps and a higher Node engine requirement, which may affect runtime/CI compatibility.

Overview
Updates @langchain/anthropic from 0.3.11 to 1.3.12 in package.json and refreshes package-lock.json accordingly.

As part of the lockfile update, removes transitive fast-xml-parser (and its strnum dependency) and pulls in newer @anthropic-ai/sdk plus new transitive packages like json-schema-to-ts/ts-algebra; the updated @langchain/anthropic lock entry now declares node >= 20 and a strict @langchain/core peer version.

Written by Cursor Bugbot for commit 855adb1. This will update automatically on new commits. Configure here.

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

Bugbot Autofix is OFF. To automatically fix reported issues with Cloud Agents, enable Autofix in the Cursor dashboard.

Comment thread package.json
},
"dependencies": {
"@langchain/anthropic": "^0.3.11",
"@langchain/anthropic": "^1.3.12",
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Peer dependency version mismatch breaks Anthropic integration

High Severity

The @langchain/anthropic package was updated from 0.3.11 to 1.3.12, but its peer dependency @langchain/core was not updated. The new @langchain/anthropic@1.3.12 requires @langchain/core@1.1.17, but the project still has @langchain/core@^0.3.23. This major version mismatch (0.x vs 1.x) will likely cause runtime failures when using the Anthropic provider, as the new ChatAnthropic class expects APIs from @langchain/core v1.x that may not exist or behave differently in v0.3.x.

Additional Locations (1)

Fix in Cursor Fix in Web

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