---
title: "Z/IPStream R/20 Release Notes"
slug: "zipstream-r20-release-notes"
description: "Explore the latest updates in versions 2.1.4 to 2.3.2, featuring Triton Digital improvements, licensing enhancements, and security fixes for optimal performance."
updated: 2026-08-12T14:07:24Z
published: 2026-08-12T14:07:24Z
canonical: "docs.telosalliance.com/zipstream-r20-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.

# Z/IPStream R/20 Release Notes

> [!WARNING]
> Versions certified by Nielsen Radio - Version 2.1.4 +

> [!WARNING]
> Versions certified by Kantar Media - v1.07.01+ beta as module v1.22(5.1) - v1.05

### Version 2.3.5 beta

July 1, 2026

[Download 16001-00112-XXX_ZIPStreamR20_2.3.5.img](https://telos-support.s3.us-east-1.amazonaws.com/Telos/ZIPStream/R20/beta/16001-00112-XXX_ZIPStreamR20_2.3.5.img)

- Fixes direct access to Triton Digital services ports
- Updates Axia iProbe discovery icon.
- Adds support for user defined TXXX and WXXX HLS metadata ID3 frames. Usage in Lua metadata filters:

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

### Version 2.3.4

Released on ECO# 3214 - 11/26/2025

[Download 1601-00612-003-ZIPStreamR20_2.3.4.img](https://telos-support.s3.us-east-1.amazonaws.com/Telos/ZIPStream/R20/1601-00612-003-ZIPStreamR20_2.3.4.img)

- Updates Forza processing to v1.4.5 (Same version as current Forza HDS).
- Updates the Triton Station Manager component.

Adds HLS fixed-size buffer option for use with AWS S3 buckets
- Adds Ipsos watermarking option features
- R/20 licenses are now “node locked” to the hardware.
  - NOTE: The user can not release node-locked keys; Telos must reset them when moving to a different unit.

---

### Version 2.2.7 beta

February 12, 2025

- Fixes Triton Digital service not restarting automatically with abnormal termination.

---

### Version 2.2.6 beta

- Fixes HTTP/HTTPS service disable when the port is set to 0.

---

### Version 2.2.5

Released on ECO# 3091 12/12/2024

[Download 1601-00612-002-ZIPStreamR20_2.2.5.img](https://telos-support.s3.us-east-1.amazonaws.com/Telos/ZIPStream/R20/1601-00612-002-ZIPStreamR20_2.2.5.img)

- Updates Triton Digital services.
- Improves licensing module operation.
- Adds StwCue v2 metedata2 template.

---

### Version 2.2.3 beta

- Update Triton Digital services to version 5
- Fixes Web UI username containing upper case characters not working correctly after an upgrade from an R/2 version.

---

### Version 2.1.12 beta

- Disables IPv6 to mitigate CVE-2024-38063 vulnerability.
- Adds IPv6 setting to the web UI Options page.
- Adds IPv6 information to the Status page.

---

### Version 2.1.11 beta

- Adds node-locked license support.

---

### Version 2.1.10 beta

- Fixes reboot timer in the web UI Software Update page.
- Adds system uptime to the web UI Status page.
- Updates the SupportLink component.
- Adds an option to set or exclude the EXT-X-ALLOW-CACHE tag from HLS fragment manifests.
- Improves licensing module operation.

---

### Version 2.1.9 beta

- Improves license status and expiration display.
- Fixes the issue where the administrative username and password change do not work correctly under certain conditions.

---

### Version 2.1.8 beta

- Fixes memory leak in Forza processing programs.
- Fixes the encoder process network services (e.g., metadata) not being accessible due to the firewall rules.
- Adds missing processes to the statistics manager logs.
- Updates Forza processing Omnia presets to increase the performance of the wideband AGC.
- Adds Forza processing "Bypass" Omnia preset.

---

### Version 2.1.7 beta

- Increases the number of digitally signed binaries to make downloading updates easier.
- Fixes statistics and service manager logs missing in the web UI.

---

### Version 2.1.6 beta

- Fixes Forza processing QuickTweak preset editing not working correctly under certain conditions.

---

### Version 2.1.5 beta

- Adds updated SSL/TLS CA Root Certificates for HLS and SmoothStreaming stream types.

---

### Version 2.1.4

Relased on ECO# 2978 11/9/2023

[Download 1601-00612-001-ZIPStreamR20_2.1.4.img](https://telos-support.s3.us-east-1.amazonaws.com/Telos/ZIPStream/R20/1601-00612-001-ZIPStreamR20_2.1.4.img)

- initial release