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ft:publication_title :

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---

# Combined ITOM Optimization release notes for upgrades from Yokohama to Zurich

# Combined ITOM Optimization release notes for upgrades from Yokohama to Zurich {#ariaid-title1}

Release version: Zurich  
Updated October 8, 2026  
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## Summary of Combined ITOM Optimization Release Notes for Upgrades from Yokohama to Zurich

This document consolidates the release notes for ITOM Optimization upgrades from the Yokohama release to the Zurich release.
It provides ServiceNow customers with a clear summary of feature updates, changes, deprecations, and important upgrade considerations to facilitate a smooth transition and ensure alignment with the latest platform standards.
Show full answer Show less  

## Key Changes and Updates

* **Workflow Migration and UI Changes:**
  * The option to invoke legacy workflows has been removed from multiple interfaces, including the Resource Block \> Operations \> Steps dialog and Cloud Catalog Items \> Operation Implementation drop-down.
  * Legacy workflows have been migrated to the modern Workflow Studio flows or subflows, improving compliance and maintainability.
  * Policy Rule Actions now support Workflow Studio subflows instead of legacy workflows.
* **Legacy Workflow Upgrades:**
  * All default (Out of Box) workflows have been redesigned to offer better performance, enhanced usability, and a streamlined user experience.
  * This upgrade aligns ITOM Optimization with current standards for workflow management.

## Deprecations and Removals

* Multiple legacy workflow invocation options have been deprecated and consequently removed from the UI, signaling a full transition towards Workflow Studio.
* No other features or functionalities were removed or deprecated between Yokohama and Zurich releases.

## Important Upgrade Considerations

* Review and complete any recommended pre- and post-upgrade tasks to ensure a successful upgrade to Zurich.
* There are no new activation steps, additional system requirements, browser compatibility changes, accessibility updates, or localization considerations introduced for ITOM Optimization in Zurich.

## What Customers Can Expect

ServiceNow customers upgrading ITOM Optimization from Yokohama to Zurich should anticipate a seamless migration of workflows to the advanced Workflow Studio framework. This transition enhances operational efficiency through improved workflow performance and usability without introducing new feature complexities or additional configuration requirements. The removal of legacy workflow options encourages adoption of modern standards and simplifies workflow management within ITOM Optimization.  
Consolidated page of all release notes for ITOM Optimization from Yokohama to Zurich.

## How to use this page

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

Before you upgrade to Zurich, review these pre- and post-upgrade tasks and complete the tasks as needed.  
{#dfrn3-itomoptimization-summary__entry__2}

| Release | Release notes |
|-|-|
| 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 ITOM Optimization.  
{#dfrn3-itomoptimization-summary__entry__8}

| Release | Release notes |
|-|-|
| Yokohama | No updates for this release. |
| Zurich | No updates for this release. |
[ ]

## Changes

Between your current release family and Zurich, some changes were made to existing ITOM Optimization features.  
{#dfrn3-itomoptimization-summary__entry__14}

| Release | Release notes |
|-|-|
| Yokohama | [\[Placeholder link text to key itom-optimization-landing-page\]](https://www.servicenow.com/docs/access?context=itom-optimization-landing-page&family=yokohama&ft:locale=en-US) :   The following UI changes are applicable for workflow migration: * In the Resource BlockOperationsSteps, within the Add Operations Steps dialog box, the Invoke Workflow option has been removed from the Operation Type field. * In the Resource BlockOperationsSteps, within the Add Operations Steps dialog box, the Workflow check box has been removed from the Add Operations Steps field. * In the Cloud Catalog Items, under the Operation Implementation drop-down list, the Workflow option has been removed. [\[Placeholder link text to key itom-optimization-landing-page\]](https://www.servicenow.com/docs/access?context=itom-optimization-landing-page&family=yokohama&ft:locale=en-US) : * Migration of legacy workflows to Workflow Studio flows or subflows. * Policy Rule Actions now supports Workflow Studio subflows instead of legacy workflows. |
| Zurich | No updates for this release. |
[ ]

## Removed

Between your current release family and Zurich, some ITOM Optimization features or functionality were removed.  
{#dfrn3-itomoptimization-summary__entry__20}

| Release | Release notes |
|-|-|
| Yokohama | No updates for this release. |
| Zurich | No updates for this release. |
[ ]

## Deprecations

Between your current release family and Zurich, some ITOM Optimization features or functionality were deprecated.  
{#dfrn3-itomoptimization-summary__entry__26}

| Release | Release notes |
|-|-|
| Yokohama | * In the Resource BlockOperationsSteps, within the Add Operations Steps dialog box, the Invoke Workflow option has been removed from the Operation Type field. * In the Resource BlockOperationsSteps, within the Add Operations Steps dialog box, the Workflow check box has been removed from the Add Operations Steps field. * In the Cloud Catalog Items, under the Operation Implementation drop-down list, the Workflow option has been removed. <!-- --> * Retrieve cloud billing data * Retrieve cloud billing month * Cloud operation step workflow launcher |
| Zurich | No updates for this release. |
[ ]

## Activation information

Review information on how to activate ITOM Optimization.  
{#dfrn3-itomoptimization-summary__entry__32}

| Release | Release notes |
|-|-|
| Yokohama | No updates for this release. |
| Zurich | No updates for this release. |
[ ]

## Additional requirements

If any additional requirements were introduced or changed for ITOM Optimization we have noted them here.  
{#dfrn3-itomoptimization-summary__entry__38}

| Release | Release notes |
|-|-|
| Yokohama | No updates for this release. |
| Zurich | No updates for this release. |
[ ]

## Browser requirements

If any specific browser requirements were introduced or changed for ITOM Optimization we have noted them here.  
{#dfrn3-itomoptimization-summary__entry__44}

| Release | Release notes |
|-|-|
| Yokohama | No updates for this release. |
| Zurich | No updates for this release. |
[ ]

## Accessibility information

Review details on accessibility information for ITOM Optimization, such as specific requirements or compliance levels.  
{#dfrn3-itomoptimization-summary__entry__50}

| Release | Release notes |
|-|-|
| Yokohama | No updates for this release. |
| Zurich | No updates for this release. |
[ ]

## Localization information

If there are specific localization considerations for ITOM Optimization we have noted them here.  
{#dfrn3-itomoptimization-summary__entry__56}

| Release | Release notes |
|-|-|
| Yokohama | No updates for this release. |
| Zurich | No updates for this release. |
[ ]

## Highlight information

If there are specific highlight considerations for ITOM Optimization we have noted them here.  
{#dfrn3-itomoptimization-summary__entry__62}

| Release | Release notes |
|-|-|
| Yokohama | Legacy workflows have been upgraded and seamlessly migrated to the advanced Workflow Studio to align with the latest standards and ensure modern compliance. Additionally, all default (Out of Box) workflows have been redesigned to provide enhanced performance, improved usability, and a more streamlined experience. See [ITOM Optimization](https://www.servicenow.com/docs/access?context=itom-optimization-landing-page&family=yokohama&ft:locale=en-US) for more information. |
| Zurich | No updates for this release. |
[ ]

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