---
title: Litmus UNS 1.2.12
slug: uns/litmus-uns-1212
docTags:
createdAt: 2025-02-18T17:58:30.482Z
---
Release Date: April 7th, 2025
# New Features
| Description |
| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **MQTT Version 5.0:**
* You now have the following new features for MQTTv5:
- Message Expiry
- Session Expiry
- Request/response topic
- User properties
- Payload Format Indicator
- MQTT Content Type Properties
* You can now configure additional **MQTT Version 5.0 **broker settings in `values.yaml`. |
# Enhancements and Improvements
| gDescription |
| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Software:**
* The **Keycloak** version has been upgraded to `26.1.2`. |
| **Helm Chart:**
* Version tags have been added to images in the *Helm* chart for easier referencing and support for offline deployment.
* You now have additional support for selecting **ingress **types in the *Helm *chart.
* You can now define **Kubernetes **(**K8S)** resource requests and limits for all Litmus UNS resources in the *Helm* chart.
* You now have added support for external **Redis data store **in the *Helm* chart. |
| **User Interface:**
* The Litmus UNS interface has been enhanced to align with Litmus branding. |
| **Tools:**
* You can use **User Properties **in *MQTT Client* tool, allowing for custom metadata inclusion in messages across all specified packets.
* You can now include **Correlation Data **in requests, ensuring it's copied into the corresponding response message. |
# Resolved Issues
| Description |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| **Helm Chart:**
* Fixed issue where setting `ingress.enabled` to true in the `values.yaml` of the *Helm *chart causes an error. |
| **User Interface:**
* Fixed issue with enable option not displaying correctly on account page.
* Fixed issue where you could not see the published topic data from the client details. |
| **Security:**
* Fixed issue of multiple tokens being generated from rapid clicks on the **LE Generate Token** button. |
| **MQTT:**
* Fixed the "*Last Seen*" zero timestamp bug for connected clients. |
| **Integrations:**
* Fixed **Timeout Sec **field validation issue and error message inconsistency.
* Fixed issue where expired client subscription entries are not deleted, causing new clients using the old client ID to receive messages they did not subscribe to. |