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LangChain langchain==1.4.8stable Released Nov 02, 2026
Impact Score: 4/10

LangChain langchain==1.4.8 — Release Notes & Engineering Impact

Source available — automated, not human-reviewed

Component: langchain · Channel: stable. Automated analysis, not a compatibility certification. How this works.

Analysis updated: 2026-11-02.

Compatibility not verified — check source notes
📄 .MD
⚡ Improvements 2 🔧 Bug Fixes 1
⚡ Executive Summary (TL;DR)

LangChain 1.4.8 delivers routine dependency updates and security patches to core integration libraries. Users are alerted that Python 3.10 support will be removed in upcoming versions 1.5.0 and 1.8.0 respectively.

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Who Does This Impact? (Role-Based Analysis)

💻 Software Engineers & Devs

Developers should audit their environments to plan for a migration from Python 3.10 to 3.11 or higher.

📊 Product & Engineering Leads

There are no new features impacting user capabilities in this release.

⚙️ DevOps & Security

Ensure CI/CD pipelines are compatible with Python 3.11+ before the upcoming langchain 1.5.0 release.

⚡ Performance & Enhancements (2)

  • Updated third-party dependencies including pyasn1, joserfc, authlib, fastmcp, and opentelemetry-api
  • Relaxed third-party dependency upper bounds

🔧 Bug Fixes & Patches (1)

  • Patched various integration dependency vulnerabilities
📄 View Raw Release Notes (Original Developer Log)
> [!WARNING] > **Python 3.10 support will be dropped in `langchain-core` 1.8.0 and `langchain` 1.5.0.** The current minor versions are the last to support Python 3.10. Please upgrade to Python 3.11 or later. Changes since langchain==1.4.7 chore(langchain): bump langchain-core (#41640) release(langchain): 1.4.8 (#41636) chore(deps): bump pyasn1 from 0.6.4 to 0.6.5 in /libs/langchain_v1 (#41591) chore(deps): bump joserfc from 1.7.4 to 1.7.6 in /libs/langchain_v1 (#41587) chore(deps): bump authlib from 1.7.2 to 1.9.1 in /libs/langchain_v1 (#41539) chore(deps): bump the minor-and-patch group across 3 directories with 32 updates (#41465) revert: patch vulnerable integration dependencies (#41481) build(deps): patch vulnerable integration dependencies (#41473) chore(deps): bump fastmcp from 4.0.11 to 4.1.2 in /libs/langchain_v1 (#41437) chore(deps): bump opentelemetry-api from 1.44.0 to 1.45.1 in /libs/langchain_v1 (#41423) chore(infra): relax third-party dependency upper bounds (#41407)
← Older Version LangChain langchain-core==1.7.4