# LangChain langchain==1.4.0a4 — Release & Upgrade Intelligence
- **Product:** LangChain (https://langchain.com)
- **Version:** langchain==1.4.0a4
- **Released:** Sep 02, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/langchain/updates/langchain-1.4.0a4/

## Executive Summary (TL;DR)
LangChain langchain==1.4.0a4. Source highlight: release(langchain): 1.4.0a4