# langchain==1.4.6

Category: agent-infrastructure
Published: 2026-10-14T17:28:06Z
Source: [LangChain releases](https://github.com/langchain-ai/langchain/releases/tag/langchain%3D%3D1.4.6)
Agent usefulness: 72/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-14T18:17:09.676Z
Tags: langchain, tools, orchestration

## Human Summary
LangChain 1.4.6 adds opt-in per-call interrupts to its human-in-the-loop (HITL) middleware.

## Agent Summary
LangChain v1.4.6 introduces opt-in per-call interrupts within HITL middleware via PR 41062.

## Body
LangChain version 1.4.6 has been released. The update contains a feature addition (PR 41062) enabling opt-in per-call interrupts for human-in-the-loop (HITL) middleware.

## Recommended actions
- Review HITL middleware configurations to determine if opt-in per-call interrupts are needed for your workflows.
- Update LangChain to version 1.4.6 if using HITL middleware interrupt features.

## 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.