---
sourceDocument: Yokohama Release Notes
sourceDocumentLink: https://servicenow-prod.fluidtopics.net/r/yokohama/release-notes

 Release :

    - yokohama

ft:locale :

    - en-US

ft:publication_title :

    - Yokohama Release Notes

ft:clusterId :

    - rn

bundleId :

    - rn


---

# Hermes Messaging Service release notes

# Hermes Messaging Service release notes {#ariaid-title1}

Release version: Yokohama  
Updated January 30, 2025  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
The ServiceNow®
Hermes Messaging Service application enables you to integrate your Apache Kafka environment with your ServiceNow® instance. Hermes Messaging Service was enhanced and updated in the Yokohama release.

## About Hermes Messaging Service {#hermes-messaging-service-rn__hermes-messaging-service-rn-highlights}

* View the audit history for all topic operations.
* Scan and inspect topic messages using keywords or regular expressions.
* Monitor the health of Hermes components over time.
{#hermes-messaging-service-rn__ul_mcm_zr2_5cc}

See [Hermes Messaging Service](https://www.servicenow.com/docs/access?context=hermes-messaging-service&version=yokohama&pubname=yokohama-servicenow-platform&ft:locale=en-US) for more information.{#hermes-messaging-service-rn__hermes-messaging-service-rn-highlights-2}

## Activation and other requirements

Activation information

:   Hermes Messaging Service is a ServiceNow AI Platform feature that is available with activation of the ServiceNow Stream Connect Installer (com.glide.hub.stream_connect.installer) plugin or installation of the Log Export Service application. For details, see [Hermes Messaging Service activation](https://www.servicenow.com/docs/access?context=hermes-messaging-service-activation&version=yokohama&pubname=yokohama-servicenow-platform&ft:locale=en-US).{#hermes-messaging-service-rn__hermes-messaging-service-rn-activation-1}

## Yokohama {#ariaid-title2}

The ServiceNow®
Hermes Messaging Service application enables you to integrate your Apache Kafka environment with your ServiceNow® instance. Hermes Messaging Service was enhanced and updated in the Yokohama release.

### What's new {#hermes-messaging-service-rn-release__hermes-messaging-service-rn-new-features}

[Topic audit history](https://www.servicenow.com/docs/access?context=view-messages-hermes-topic&version=yokohama&pubname=yokohama-servicenow-platform&ft:locale=en-US)
:   Track changes made to a Hermes topic by viewing the topic's audit information.

[Search for messages in a topic](https://www.servicenow.com/docs/access?context=view-messages-hermes-topic&version=yokohama&pubname=yokohama-servicenow-platform&ft:locale=en-US)
:   Filter messages in a topic using keywords or regular expressions in the Hermes Messaging Service topic inspector.

[Improved diagnostics](https://www.servicenow.com/docs/access?context=run-hermes-messaging-service-diagnostics&version=yokohama&pubname=yokohama-servicenow-platform&ft:locale=en-US)
:   Monitor the health of Hermes components over time.
{#hermes-messaging-service-rn-release__hermes-messaging-service-rn-new-features-1}