> ## Documentation Index
> Fetch the complete documentation index at: https://cl40.world/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> Product updates and improvements to CL40 World.

**October 9, 2026**

Week of October 2

# Changelog

Product updates, security advisories, and infrastructure improvements to the **CL40 World Ecosystem**.

***

## October 09, 2026

### 🛡️ Security Policy & Version Lifecycle

* **Security Policy Published:** You can now report security vulnerabilities directly to the CL40 World engineering team at [only@cl40.world](mailto:only@cl40.world).
* **Supported Versions:** Active security patches and maintenance updates are provided for versions **`5.1.x`**, **`5.0.x`**, and **`4.0.x`**.
* **Deprecation Notice:** Versions earlier than **`4.0`** are officially End-of-Life (EOL) and no longer supported. Please upgrade your integration nodes to a supported release.

***

### 📦 Lifecycle Summary

| Version Family | Support Status | Patch Level |
| :- | :- | :- |
| **v5.1.x** | Active Support | Latest Release |
| **v5.0.x** | Maintenance | Security Patches |
| **v4.0.x** | LTS (Long Term Support) | Critical Fixes Only |
| **\< v4.0** | Deprecated / EOL | Unsupported |


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.