Combined Hermes Messaging Service release notes for upgrades from Xanadu to Zurich

Consolidated page of all release notes for Hermes Messaging Service from Xanadu to Zurich.

How to use this page

To help you prepare for your upgrade, we have combined the cross-family Hermes Messaging Service release notes onto one page. Read this summary of the new features, changes, and updated information for your product from Xanadu to Zurich.

Tip:

If there were no updates for a release notes section in a certain family release, we included a short note for your reference. For example, if a product did not have any updates in Tokyo, the row says "No updates for this release."

Important information for upgrading Hermes Messaging Service to Zurich

Before you upgrade to Zurich, review these pre- and post-upgrade tasks and complete the tasks as needed.

Release	Release notes
Xanadu	No updates for this release.
Yokohama	No updates for this release.
Zurich	No updates for this release.

New features

Between your current release family and Zurich, new features were introduced for Hermes Messaging Service.

Release	Release notes
Xanadu	Monitor Hermes data usage Monitor data usage by application and track data usage by topic using the Hermes Usage Dashboard.
Yokohama	Topic audit history Track changes made to a Hermes topic by viewing the topic's audit information. Search for messages in a topic Filter messages in a topic using keywords or regular expressions in the Hermes Messaging Service topic inspector. Improved diagnostics Monitor the health of Hermes components over time.
Zurich	Monitor Hermes data usage Monitor data usage by application and track data usage by topic using the Hermes Usage Dashboard. Synchronize topic partition count Verify that the partition count is synchronized between topics in Hermes clusters.

Changes

Between your current release family and Zurich, some changes were made to existing Hermes Messaging Service features.

Release	Release notes
Xanadu	Monitor topics in multiple cluster sets View messages from multiple cluster sets by selecting a service group in the Hermes Topic Inspector module. Test connectivity to multiple cluster sets Verify that your instance can send messages to and receive messages from multiple cluster sets by selecting a service group in the Hermes Diagnostics module.
Yokohama	No updates for this release.
Zurich	No updates for this release.

Removed

Between your current release family and Zurich, some Hermes Messaging Service features or functionality were removed.

Release	Release notes
Xanadu	No updates for this release.
Yokohama	No updates for this release.
Zurich	No updates for this release.

Deprecations

Between your current release family and Zurich, some Hermes Messaging Service features or functionality were deprecated.

Release	Release notes
Xanadu	No updates for this release.
Yokohama	No updates for this release.
Zurich	No updates for this release.

Activation information

Review information on how to activate Hermes Messaging Service.

Release	Release notes
Xanadu	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.
Yokohama	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.
Zurich	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 Activating Hermes.

Additional requirements

If any additional requirements were introduced or changed for Hermes Messaging Service we have noted them here.

Release	Release notes
Xanadu	No updates for this release.
Yokohama	No updates for this release.
Zurich	No updates for this release.

Browser requirements

If any specific browser requirements were introduced or changed for Hermes Messaging Service we have noted them here.

Release	Release notes
Xanadu	No updates for this release.
Yokohama	No updates for this release.
Zurich	No updates for this release.

Accessibility information

Review details on accessibility information for Hermes Messaging Service, such as specific requirements or compliance levels.

Release	Release notes
Xanadu	No updates for this release.
Yokohama	No updates for this release.
Zurich

Localization information

If there are specific localization considerations for Hermes Messaging Service we have noted them here.

Release	Release notes
Xanadu	No updates for this release.
Yokohama	No updates for this release.
Zurich	No updates for this release.

Highlight information

If there are specific highlight considerations for Hermes Messaging Service we have noted them here.

Release	Release notes
Xanadu	Publish events from your ServiceNow instance to your Apache Kafka environment and consume high volumes of Apache Kafka events from your external systems with low latency. Effectively process spikes and bursts in message volume from external systems to minimize performance impacts on your instance. Manage the health and performance of message delivery using Hermes diagnostic tools. See Hermes Messaging Service for more information.
Yokohama	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. See Hermes Messaging Service for more information.
Zurich	Monitor Hermes data usage over time. Verify that topics are synchronized between Hermes clusters. See Hermes Messaging Service for more information.