---
title: "Telos Z/IP Stream X/20 Software Release Notes"
slug: "telos-zip-stream-x20-software-release-notes"
description: "Explore Z/IPStream X/20 updates, including new drivers, improved Forza processing, and enhanced stream monitoring features in version 2.2.3 and beyond."
updated: 2026-08-12T13:43:34Z
published: 2026-08-12T13:43:34Z
canonical: "docs.telosalliance.com/telos-zip-stream-x20-software-release-notes"
---

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

# Telos Z/IP Stream X/20 Software Release Notes

> [!WARNING]
> Version Certified by Nielsen Radio
> 
> - Version 2.1.3+

> [!WARNING]
> Versions certified by kantar Media
> 
> - v1.24.01+ beta as module v1.22(5.1)
> - v1.22 beta

## General Notes

- The IP audio driver and the Virtual Audio Cable driver are provided as separate installers. This allows you to update (install) these drivers independently of the main application.
- Please uninstall your previous version of Z/IPStream X/20 before installing this version. All of your settings will be preserved.
- If you have either the Virtual Audio Cable driver or the Axia IP-audio driver installed, it is best to reboot the PC after uninstalling the previous version of Z/IPStream X/20.

## Software Version Notes

### Version 2.2.4 BETA

August 6, 2026

[Download 3001-00396-XXX_zipstreamx20_v2.2.4.msi.msi](https://telos-support.s3.us-east-1.amazonaws.com/Telos/ZIPStream/X20/beta/3001-00396-XXX_zipstreamx20_v2.2.4.msi)

- Adds handling of zero-length audio input buffers returned by audio drivers.
- Adds support for user defined TXXX and WXXX HLS metadata

```lua
ResetMetaData()
SetField("TXXX:Description1", "Value1")
SetField("TXXX:Description2", "Value2")
SetField("WXXX:Description", "Value")
SendMetaData()
```

### Version 2.2.3

Released on ECO# 3214 11/26/2025

[Download 3001-00396-002_zipstreamx20_v2.2.3.msi](https://telos-support.s3.us-east-1.amazonaws.com/Telos/ZIPStream/X20/3001-00396-002_zipstreamx20_v2.2.3.msi)

- Adds Ipsos watermarking.
- Updates Forza processing to v1.4.4 (save version as current Forza HDS)

---

### Version 2.1.12 Beta

January 20, 2025

[Download version 2.1.12 Beta](https://telos-support.s3.us-east-1.amazonaws.com/Telos/ZIPStream/X20/beta/3001-00396-XXX_zipstreamx20v2.1.12.msi)

- Adds HTTP SHOUTcast and ICEcast stream monitoring program type and additional SNMP stream monitor status variables.

---

### Version 2.1.11 Beta

December 04, 2024

[Download version 2.1.11 Beta](https://telos-support.s3.us-east-1.amazonaws.com/Telos/ZIPStream/X20/beta/3001-00396-XXX_zipstreamx20v2.1.11.msi)

- Remove delta playlist tags from HLS fragment manifests when the delta playlist size is set to 0.

---

### Version 2.1.10 Beta (and older)

November 04, 2024

[Download version 2.1.10 Beta](https://telos-support.s3.us-east-1.amazonaws.com/Telos/ZIPStream/X20/beta/3001-00396-XXX_zipstreamx20v2.1.10.msi)

- Improves licensing module operation.
- Adds an option to set EXT-X-ALLOW-CACHE value or exclude the tag from HLS fragment manifests.
- Fixes administrative username and password change not working properly under certain conditions.
- Fixes memory leak in Forza processing programs.
- Updates Forza processing Omnia presets to increase the performance of the wideband AGC.
- Adds Forza processing "Bypass" Omnia preset.
- Increases the number of digitally signed binaries.
- Fixes Forza processing QuickTweak preset editing not working properly under certain conditions.
- Adds updated SSL/TLS CA Root Certificates for HLS and SmoothStreaming stream types.

---

### Version 2.1.3

Initial Release via ECO#2966 October 10, 2023

> [!CAUTION]
>