> For the complete documentation index, see [llms.txt](https://docs.vergeos-demo.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.vergeos-demo.com/release-notes/2025-or-earlier/4-9-release-notes.md).

# 4.9

## 4.9

{% hint style="info" %}
**Series Information**

* **Initial Release**: October 2021 (4.9.0)
* **Latest Version**: 4.9.2 (February 2022)
* **Status**: Deprecated (Superseded by 4.10)
* **End-of-Life**: February 2023
  {% endhint %}

### Major Features & Themes

#### User Interface & Experience

{% hint style="success" %}
**UI Enhancements**

* Complete UI revamp
* New blue default theme
* Enhanced navigation
* Improved user feedback
* Advanced dashboard features
  {% endhint %}

#### Security & Authentication

{% hint style="info" %}
**Security Features**

* Email-based two-factor authentication
* Enhanced firewall management
* Improved ACME server support
* Advanced user recovery options
* Enhanced access controls
  {% endhint %}

#### Storage & Backup

{% hint style="success" %}
**Storage Management**

* Enhanced snapshot management
* Improved VM drive operations
* Advanced NAS functionality
* Enhanced backup/DR capabilities
* Improved system logging
  {% endhint %}

#### Monitoring & Diagnostics

{% hint style="info" %}
**System Monitoring**

* Enhanced IPMI monitoring
* Improved PCI device tracking
* Advanced memory tracking
* Enhanced drive health monitoring
* Improved system diagnostics
  {% endhint %}

## Release Notes

### 4.9.2 (February 2022)

#### Features & Fixes

* Improved NAS recipe handling
* Enhanced list view functionality
* Improved drive management
* Enhanced SMART diagnostics
* Advanced vSAN monitoring

#### System Updates

* Enhanced system diagnostics
* Improved drive formatting
* Added network installation support

### 4.9.1 (January 2022)

#### Features

**Networking**

* Implemented East/West port mirroring
* Enhanced network management
* Improved Virtual Switch Port handling
* Advanced NAS networking

**Virtual Machine Management**

* Enhanced drive hot-plugging
* Improved VM recipe handling
* Advanced machine migration
* Enhanced power management

**System Improvements**

* Enhanced snapshot management
* Improved NAS functionality
* Advanced tenant management
* Enhanced diagnostic capabilities

#### OS Updates

* Updated AMD microcode
* Improved drive handling
* Enhanced system security
* Performance optimizations

### 4.9.0.1 (October 2021)

{% hint style="info" %}
**Hotfix Release**

Fixed history statistics cleanup regression
{% endhint %}

### 4.9.0 (October 2021)

#### Major Features

**User Interface**

* Complete UI revamp with blue theme
* Enhanced release notes integration
* Improved dashboard functionality
* Advanced system monitoring

**Networking**

* North/South port-mirroring
* Enhanced Wireguard functionality
* Improved firewall management
* Advanced network configuration

**Hardware Support**

* 1:1 GPU pass-through support
* Enhanced memory tracking
* Improved PCI device management
* Advanced IPMI integration

**System Features**

* Two-factor authentication
* Enhanced snapshot management
* Improved VM operations
* Advanced system logging

#### OS & Installation

* Updated to kernel 5.10.69
* Enhanced storage performance
* Improved system security
* Advanced installation options


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