--- sourceDocument: zurich Combined Product Files sourceDocumentLink: https://www.servicenow.com/docs/r/zurich/delta-yokohama-zurich Release : - zurich ft:locale : - en-US ft:publication_title : - zurich Combined Product Files ft:clusterId : - delta3zy bundleId : - delta3zy --- # Combined ServiceNow Otto for Enterprise Architecture (EA) release notes for upgrades from Yokohama to Zurich # Combined ServiceNow Otto for Enterprise Architecture (EA) release notes for upgrades from Yokohama to Zurich {#ariaid-title1} Release version: Zurich Updated October 8, 2026 ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 11 minutes to read Summarize ![AI sparkle icon](https://servicenow.com/docs/portal-asset/ai-sparkle-icon) Summarized using AI This content was generated using new OpenAI-powered functionality. Results are provided on an as is basis and are not guaranteed to be accurate or complete. ## Summary of Combined ServiceNow Otto for Enterprise Architecture (EA) Release Notes for Upgrades from Yokohama to Zurich This consolidated release notes document provides ServiceNow customers with a comprehensive summary of new features, changes, removals, deprecations, and activation details for upgrading ServiceNow Otto for Enterprise Architecture (EA) from the Yokohama release family to Zurich. It assists customers in preparing and executing their upgrade by outlining important pre- and post-upgrade tasks, feature enhancements, security updates, and usability improvements introduced throughout these releases. Show full answer Show less ## Key Features * **Enterprise Architecture Diagramming AI Agent:** Introduced in Yokohama Patch 1, this AI agent automates creation and summarization of Enterprise Modeling and Visualization diagrams for business application hierarchies. * **Architectural Decision Records (ADR) Summarization:** Available since Yokohama Early Availability, enabling summary and querying of ADR documents within the Enterprise Architecture Workspace to understand architectural decisions effectively. * **Interactive AI Experience:** Use Now Assist in Virtual Agent to register business applications and digital integrations with generative AI support. * **Diagram Comparison and Text Refinement:** Zurich release adds the ability to compare versions of Enterprise Modeling and Visualization diagrams and to elaborate or shorten descriptive text fields using Refine text Now Assist skills across multiple record types. * **Business Application Insights Skill:** Provides concise, actionable insights on business applications, configurable through access and availability settings in the AI Admin Hub console. * **Role-Based Access and Security:** Role restrictions are now applied to AI skills, and access control lists (ACLs) govern execution of AI agents and agentic workflows, improving security and compliance management. * **Support for Multiple AI Model Providers:** In addition to Now LLM Service and Azure OpenAI, new third-party AI models like Google Gemini and AWS Claude are available for generative AI features. * **User Interface Enhancements:** Addition of Now Assist icons for easier access, new buttons such as "Compare versions" for diagrams, and improvements to contextual menus for AI-assisted actions. * **Theme and Accessibility:** Introduction of the Coral theme with a dark mode option to enhance readability and reduce eye strain across web and mobile platforms. ## Key Changes and Improvements * **Now Assist Usage Measurement:** Transition from a 365-day look-back to a 365-day burn-down model with usage resetting at the contract anniversary date, starting with Yokohama Patch 5 and continuing in Zurich. * **Default Activation of AI Skills:** Designated Now Assist skills, agentic workflows, and AI agents are turned on by default for new installations and previously unconfigured assets during upgrades, streamlining initial setup. * **Role Masking and Security Controls:** Enhanced control over who can access AI agents and workflows through role masking and detailed security control configuration. * **Improved AI Agent Naming and UI Terminology:** Renaming of agents and clearer labeling in menus to improve user understanding and navigation. ## Activation and Licensing * Activation of Now Assist features requires enabling the ServiceNow Otto for Enterprise Architecture (EA) plugin. * The application requires an Enterprise Architecture Pro plus license for full functionality. * ServiceNow Otto for EA is available for purchase and installation through the ServiceNow Store. ## Additional Information * **No removals or deprecations:** There are no feature removals or deprecations between Yokohama and Zurich. * **Browser and Localization:** No changes noted in browser support or localization requirements. * **Accessibility:** Continued commitment to accessibility with new theme options and UI improvements. ## Practical Benefits for ServiceNow Customers By upgrading to Zurich, customers gain advanced AI-driven capabilities for modeling, visualization, and decision record management, enabling more efficient and insightful enterprise architecture practices. Enhanced security features and role-based controls ensure compliance and governance. The new default activation of AI skills simplifies adoption, while UI and theme improvements enhance user experience and productivity. Customers can leverage multiple AI model providers to tailor generative AI capabilities to their needs, improving innovation and operational efficiency. Consolidated page of all release notes for ServiceNow Otto for Enterprise Architecture (EA) from Yokohama to Zurich. ## How to use this page To help you prepare for your upgrade, we have combined the cross-family ServiceNow Otto for Enterprise Architecture (EA) 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 ServiceNow Otto for Enterprise Architecture (EA) to Zurich Before you upgrade to Zurich, review these pre- and post-upgrade tasks and complete the tasks as needed. {#dfrn3-servicenowottoforenterprisearchitectureea-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 ServiceNow Otto for Enterprise Architecture (EA). {#dfrn3-servicenowottoforenterprisearchitectureea-summary__entry__8} | Release | Release notes | |-|-| | Yokohama | Yokohama Patch 1 [Using Enterprise Architecture Diagramming AI agent](https://www.servicenow.com/docs/access?context=using-na-ea-ai-agents&family=yokohama&ft:locale=en-US) : Use the Enterprise architecture diagrams AI agent to create Enterprise Modeling and Visualization diagrams for business applications hierarchy and summarize them. Yokohama Early Availability [ServiceNow Otto for Enterprise Architecture (EA)](https://www.servicenow.com/docs/access?context=now-assist-ea&family=yokohama&ft:locale=en-US) : * Use the ServiceNow® ServiceNow Otto for Enterprise Architecture (EA) application to summarize Architectural Decision Records (ADR) in the Enterprise Architecture Workspace. Use the Architectural Decision Records (ADR) to explain your infrastructure. ADR is a type of artifact that helps you to understand the background of a specific architectural decision. * Register a business application and a digital integration with an interactive generative AI experience using Now Assist in Virtual Agent. For more information, see [ServiceNow Otto for Enterprise Architecture (EA)](https://www.servicenow.com/docs/access?context=now-assist-ea&family=yokohama&ft:locale=en-US). | | Zurich | [Compare Enterprise Modeling and Visualization diagrams](https://www.servicenow.com/docs/access?context=compare-modeling-diagrams&family=zurich&ft:locale=en-US) : Learn the details of the changes in the Enterprise Modeling and Visualization diagrams by comparing a diagram with its previous version. You can compare business application hierarchy, business capability map, and business process map diagrams. [Elaborate or shorten content in form fields](https://www.servicenow.com/docs/access?context=elaborate-or-shorten-content-form-fields&family=zurich&ft:locale=en-US) : Elaborate or shorten text in the Description field of the following records using the Refine text Now Assist skill: * Business application * Business capability * Business process * Value stream stages * Information object Also, generate, elaborate, or shorten text in the Reasoning field in the Planned Disposition section of the business application record. [Business Application Insights skill configuration changes](https://www.servicenow.com/docs/access?context=configure-now-assist-ea&family=zurich&ft:locale=en-US) : For the Business application insights Now Assist skill, you can view the business application source fields based on which the business application insights are generated. Also, you can determine the availability of the skill by defining a specific criteria in the Define access tab of the Business application insights skill. [Role restrictions for ServiceNow Otto for EA skills](https://www.servicenow.com/docs/access?context=configure-now-assist-ea&family=zurich&ft:locale=en-US) : Role restriction is added to the default roles associated with the following skills: * Diagram change analysis * ADR Doc Summarization and Actions * Business application insights * Refine text [Business Application Insights skill](https://www.servicenow.com/docs/access?context=generate-insights-into-ba&family=zurich&ft:locale=en-US) : Learn the details of business applications and gather concise and actionable insights on business applications from the summary that is generated by ServiceNow Otto for Enterprise Architecture (EA). The business application insights help you to make informed decisions without manually reviewing large volumes of data. [Implement access control lists for security in AI agents](https://www.servicenow.com/docs/access?context=aia-security-implementation&family=zurich&ft:locale=en-US) : Enable security implementation to execute AI agents and agentic workflows through access control lists (ACLs) and user identities.ACLs provide you with the capability to run AI agents and agentic workflow executions either as a dynamic user or an AI user. To learn about ACLs for ServiceNow Otto for Enterprise Architecture (EA) agents and skills, see [Configure](https://www.servicenow.com/docs/access?context=configure-now-assist-ea&family=zurich&ft:locale=en-US) and [Generate enterprise architecture diagram agentic workflow](https://www.servicenow.com/docs/access?context=now-assist-aiagents-ea-diagramming-usecase&family=zurich&ft:locale=en-US). [Generate a summary of the Architectural Decision Records (ADR) document or get a particular information from the document](https://www.servicenow.com/docs/access?context=summarize-docs-genai-skill-ea&family=zurich&ft:locale=en-US) : On the Architectural Decision Records page, use the field option in the Now Assist menu to derive a particular information about the ADR content. [New third-party AI model provider options available for all AI applications](https://www.servicenow.com/docs/access?context=exploring-large-language-models&family=zurich&ft:locale=en-US) : Google Gemini and AWS Claude are available for generative AI skills and AI agents, in addition to Now LLM Service and Azure OpenAI. | [ ] ## Changes Between your current release family and Zurich, some changes were made to existing ServiceNow Otto for Enterprise Architecture (EA) features. {#dfrn3-servicenowottoforenterprisearchitectureea-summary__entry__14} | Release | Release notes | |-|-| | Yokohama | [Changes to Now Assist usage measurement](https://www.servicenow.com/docs/access?context=monitoring-now-assist-usage&family=yokohama&ft:locale=en-US) : Starting with Yokohama Patch 5, Now Assist usage measurement is transitioning from a 365-day look-back model to a 365-day burn-down model, with usage resetting at the contract anniversary date. For more information, refer to [KB KB2704710: Now Assist Usage - Overview \& New Measurement Logic](https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB2704710). [Some Now Assist skills are turned on by default](https://www.servicenow.com/docs/access?context=now-assist-skills-on-by-default&family=yokohama&ft:locale=en-US) : The new default behavior works as follows: * New customers: When you install a Now Assist product, designated skills are turned on automatically. * Existing customers who are upgrading (starting with Yokohama Patch 11): Any previously unconfigured skill is turned on automatically (the skill was never configured and turned on, then turned off again). Previously configured skills that were turned on, then off, remain inactive. [Configure ACLs for AI agents and agentic workflows](https://www.servicenow.com/docs/access?context=aia-security-implementation&family=yokohama&ft:locale=en-US) : Configure the access control lists for who can discover and trigger AI agents and agentic workflows in their guided setups in AI Agent Studio. You can determine whether an AI agent or agentic workflow behaves as a dynamic user or as an AI user. You can also specify if an AI agent or agentic workflow can be available to all authenticated users or publicly available. Yokohama Patch 3 [Agentic workflow name update](https://www.servicenow.com/docs/access?context=using-na-ea-ai-agents&family=yokohama&ft:locale=en-US) : Renamed the Enterprise Architecture Diagrammer AI agent to Enterprise architecture diagrams AI agent. [UI name updates](https://www.servicenow.com/docs/access?context=configure-now-assist-ea&family=yokohama&ft:locale=en-US) : * In the All menu, renamed the Features option under Now Assist Admin to Skills. * On the Now Assist Admin page, renamed the Now Assist Features tab to Now Assist Skills. | | Zurich | [Changes to Now Assist usage measurement](https://www.servicenow.com/docs/access?context=monitoring-now-assist-usage&family=zurich&ft:locale=en-US) : Starting with Australia Early Access, AI usage measurement is transitioning from a 365-day look-back model to a 365-day burn-down model, with usage resetting at the contract anniversary date. For more information, refer to [KB KB2704710: AI Usage - Overview \& New Measurement Logic](https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB2704710). * The Compare versions button is added to the diagram page in the Enterprise Modeling and Visualization. * The Now Assist icon is added to the diagram page in the Enterprise Modeling and Visualization. You can use this icon to show or hide the Now Assist panel. * The Now Assist icon is displayed on selecting the description field of the business application, business capability, business process, value stream stages, and information objects. Also, the icon is displayed on selecting the Reasoning field in the Planned Disposition section of the business application record. * Added Define availability and Define access tabs in the Business application insights Now Assist skill configuration page in the AI Admin Hub console. * Added Role restrictions to skill section in the Define access tab of Now Assist skills in the AI Admin Hub console. [Role masking](https://www.servicenow.com/docs/access?context=aia-role-masking&family=zurich&ft:locale=en-US) : Agentic workflows and their AI agents use [role masking](https://www.servicenow.com/docs/access?context=aia-role-masking&family=zurich&ft:locale=en-US) to determine which users can access them. Ones installed with your applications have specific roles that come included with the application. If you select Users with specific roles for user access, you must configure the security controls to include these roles. For the instructions to change the security controls, see [Define security controls for an agentic workflow](https://www.servicenow.com/docs/access?context=define-sec-controls-aw&family=zurich&ft:locale=en-US). [Some generative AI skills, AI agents, and agentic workflows are turned on by default](https://www.servicenow.com/docs/access?context=now-assist-skills-on-by-default&family=zurich&ft:locale=en-US) : The skills are automatically available to appropriate role users for the application, such as ITIL roles on incident forms or change forms. This change simply activates the skill and does not touch the roles that may be needed to use the skill. The new default behavior works as follows: * New customers: When you install an AI product, designated skills and agentic workflows are turned on automatically. * Existing customers who are upgrading (starting with Australia Early Access): Any previously unconfigured skill, agent, or agentic workflow is turned on automatically (the AI asset was never configured and turned on, then turned off again). Previously configured skills and agentic workflows that were turned on, then off, remain inactive. * The Generate insights button is added to the business application page in the Enterprise Architecture Workspace. * Changes to the Architectural Decision Records page: * The Now Assist drop-down menu is added. * A field is added to the Now Assist drop-down menu to enter queries and get answers for Architectural Decision Records (ADR) artifact content. * The Summarize button is moved to the Now Assist drop-down menu. * In the context menu, the Now Assist button is changed to the Now Assist icon and placed as the first option of the context menu. * The Now Assist drop-down menu is added. * A field is added to the Now Assist drop-down menu to enter queries and get answers for Architectural Decision Records (ADR) artifact content. * The Summarize button is moved to the Now Assist drop-down menu. * In the context menu, the Now Assist button is changed to the Now Assist icon and placed as the first option of the context menu. | [ ] ## Removed Between your current release family and Zurich, some ServiceNow Otto for Enterprise Architecture (EA) features or functionality were removed. {#dfrn3-servicenowottoforenterprisearchitectureea-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 ServiceNow Otto for Enterprise Architecture (EA) features or functionality were deprecated. {#dfrn3-servicenowottoforenterprisearchitectureea-summary__entry__26} | Release | Release notes | |-|-| | Yokohama | No updates for this release. | | Zurich | No updates for this release. | [ ] ## Activation information Review information on how to activate ServiceNow Otto for Enterprise Architecture (EA). {#dfrn3-servicenowottoforenterprisearchitectureea-summary__entry__32} | Release | Release notes | |-|-| | Yokohama | Activation information : Now Assist features are available with activation of the ServiceNow Otto for Enterprise Architecture (EA) plugin. The [ServiceNow Otto for Enterprise Architecture (EA)](https://www.servicenow.com/docs/access?context=now-assist-ea&family=yokohama&ft:locale=en-US) application requires an Enterprise Architecture Pro plus license. For more information, see [Install Now Assist plugins](https://www.servicenow.com/docs/access?context=install-now-assist-feature-plugins&family=yokohama&ft:locale=en-US). Important: ServiceNow Otto for Enterprise Architecture (EA) is available in the ServiceNow Store. For details, see the "Activation information" section of these release notes. | | Zurich | Activation information : Now Assist features are available with activation of the ServiceNow Otto for Enterprise Architecture (EA) plugin. For more information, see [Install plugins for ServiceNow Otto](https://www.servicenow.com/docs/access?context=install-now-assist-feature-plugins&family=zurich&ft:locale=en-US). Important: ServiceNow Otto for Enterprise Architecture (EA) is available in the ServiceNow Store. For details, see the "Activation information" section of these release notes. | [ ] ## Additional requirements If any additional requirements were introduced or changed for ServiceNow Otto for Enterprise Architecture (EA) we have noted them here. {#dfrn3-servicenowottoforenterprisearchitectureea-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 ServiceNow Otto for Enterprise Architecture (EA) we have noted them here. {#dfrn3-servicenowottoforenterprisearchitectureea-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 ServiceNow Otto for Enterprise Architecture (EA), such as specific requirements or compliance levels. {#dfrn3-servicenowottoforenterprisearchitectureea-summary__entry__50} | Release | Release notes | |-|-| | Yokohama | No updates for this release. | | Zurich | Accessibility information : Dark theme : The new Coral theme includes a dark theme option for web and mobile experiences. This option is commonly used to alleviate eye strain and improve readability. | [ ] ## Localization information If there are specific localization considerations for ServiceNow Otto for Enterprise Architecture (EA) we have noted them here. {#dfrn3-servicenowottoforenterprisearchitectureea-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 ServiceNow Otto for Enterprise Architecture (EA) we have noted them here. {#dfrn3-servicenowottoforenterprisearchitectureea-summary__entry__62} | Release | Release notes | |-|-| | Yokohama | [Yokohama Patch 11](https://www.servicenow.com/docs/access?context=yokohama-patch-11&family=yokohama&ft:locale=en-US) * Review changes to Now Assist usage measurement. * Some Now Assist skills, agents, and agentic workflows are on by default. * Additional role configuration is required for agentic workflows and AI agents included with Now Assist applications. Yokohama Patch 1: Generate and summarize Enterprise Modeling and Visualization diagrams for business applications hierarchy, using the Enterprise architecture diagrams AI agent. Yokohama Early Availability * Generate a summary of Architectural Decision Records (ADR) in the Enterprise Architecture Workspace. * Request a business application or a digital integration using Now Assist in ServiceNow® Virtual Agent. See [ServiceNow Otto for Enterprise Architecture (EA)](https://www.servicenow.com/docs/access?context=now-assist-ea&family=yokohama&ft:locale=en-US) for more information. | | Zurich | [Zurich Patch 5](https://www.servicenow.com/docs/access?context=zurich-patch-5&family=zurich&ft:locale=en-US) * Review changes to Now Assist usage measurement. [Zurich Patch 4](https://www.servicenow.com/docs/access?context=zurich-patch-4&family=zurich&ft:locale=en-US) * All ServiceNow Otto for EA skills are activated by default. * Use the Diagram change analysis Now Assist skill to compare an Enterprise Modeling and Visualization diagram with its previous version and generate a summary of the differences. * Use the Refine text Now Assist skill to elaborate or shorten text in the Description field of the business application, business capability, business process, and information object records. Also, use this skill to generate, elaborate, or shorten text in the Reasoning field under the Planned Disposition section of the business application record. * Additional role configuration is required for agentic workflows and AI agents included with Now Assist applications. * Use the Business Application Insights Now Assist skill to generate insights into your business applications. * Implement security in Now Assist AI agents with access control lists (ACLs). * On the Architectural Decision Records page, use the field in the Architectural Decision Records menu to enter queries and derive the required information from the Architectural Decision Records (ADR) artifact content. [Zurich Patch 1](https://www.servicenow.com/docs/access?context=zurich-patch-1&family=zurich&ft:locale=en-US) * Use the Business Application Insights Now Assist skill to generate insights into your business applications. * Implement security in Now Assist AI agents with access control lists (ACLs). * On the Architectural Decision Records page, use the field in the Architectural Decision Records menu to enter queries and derive the required information from the Architectural Decision Records (ADR) artifact content. Zurich Early Availability * Enhance your productivity by using the Now LLM Service or a supported third-party LLM with any ServiceNow Otto for Enterprise Architecture (EA) skill or AI agent. * Enhance your user experience with Coral that is used as the default theme for new portal, web, and mobile experiences. See [ServiceNow Otto for Enterprise Architecture (EA)](https://www.servicenow.com/docs/access?context=now-assist-ea&family=zurich&ft:locale=en-US) for more information. | [ ]