# langchain-core==1.6.7

Category: agent-infrastructure
Published: 2026-10-06T15:47:10Z
Source: [LangChain releases](https://github.com/langchain-ai/langchain/releases/tag/langchain-core%3D%3D1.6.7)
Agent usefulness: 72/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-06T18:17:47.248Z
Tags: langchain, tools, orchestration

## Human Summary
LangChain released langchain-core 1.6.7, adding OpenAI redacted content support in Bedrock Converse outputs, Python 3.14 compatibility hardening, and dependency updates.

## Agent Summary
langchain-core 1.6.7 includes fixes for Bedrock Converse v1 output to include OpenAI redacted content, hardens Python 3.14 compatibility around inspect.signature, and bumps dependencies for urllib3, tornado, and notebook.

## Body
The langchain-core 1.6.7 patch release addresses two core fixes: ensuring OpenAI redacted content is included in v1 output for Bedrock Converse integrations, and hardening inspect.signature handling for Python 3.14. It also updates several dependencies within libs/core, including urllib3 (bumped to 2.8.0), tornado (bumped to 6.5.9), and notebook (bumped to 7.6.3).

## Recommended actions
- Upgrade to langchain-core==1.6.7 if using Bedrock Converse with OpenAI redacted content or testing on Python 3.14.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.