--- sourceDocument: yokohama Combined Product Files sourceDocumentLink: https://servicenow-prod.fluidtopics.net/r/yokohama/delta-xanadu-yokohama Release : - yokohama ft:locale : - en-US ft:publication_title : - yokohama Combined Product Files ft:clusterId : - delta3yx bundleId : - delta3yx --- # Combined Now Assist for Enterprise Architecture (EA) release notes for upgrades from Xanadu to Yokohama # Combined Now Assist for Enterprise Architecture (EA) release notes for upgrades from Xanadu to Yokohama {#ariaid-title1} Release version: Yokohama Updated September 10, 2026 ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 5 minutes to read Consolidated page of all release notes for Now Assist for Enterprise Architecture (EA) from Xanadu to Yokohama. ## How to use this page To help you prepare for your upgrade, we have combined the cross-family Now Assist for Enterprise Architecture (EA) release notes onto one page. Read this summary of the new features, changes, and updated information for your product from Xanadu to Yokohama. 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 Now Assist for Enterprise Architecture (EA) to Yokohama Before you upgrade to Yokohama, review these pre- and post-upgrade tasks and complete the tasks as needed. {#dfrn3-nowassistforenterprisearchitectureea-summary__entry__2} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | No updates for this release. | [ ] ## New features Between your current release family and Yokohama, new features were introduced for Now Assist for Enterprise Architecture (EA). {#dfrn3-nowassistforenterprisearchitectureea-summary__entry__8} | Release | Release notes | |-|-| | Xanadu | [Implement access control lists for security in AI agents](https://www.servicenow.com/docs/access?context=aia-security-implementation&family=xanadu&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 Now Assist for Enterprise Architecture (EA) agents and skills, see [Configure](https://www.servicenow.com/docs/access?context=configure-now-assist-ea&family=xanadu&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=xanadu&ft:locale=en-US). Xanadu Patch 7 [Using Enterprise Architecture Diagramming AI agent](https://www.servicenow.com/docs/access?context=using-na-ea-ai-agents&family=xanadu&ft:locale=en-US) : Use the Enterprise Architecture Diagrammer AI agent to create Enterprise Modeling and Visualization diagrams for business applications hierarchy and summarize them. Xanadu Early Availability [Now Assist for Enterprise Architecture (EA)](https://www.servicenow.com/docs/access?context=now-assist-ea&family=xanadu&ft:locale=en-US) : * Use the ServiceNow® Now Assist 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 the Now Assist in Virtual Agent. For more information, see [Now Assist for Enterprise Architecture (EA)](https://www.servicenow.com/docs/access?context=now-assist-ea&family=xanadu&ft:locale=en-US). | | 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 [Now Assist for Enterprise Architecture (EA)](https://www.servicenow.com/docs/access?context=now-assist-ea&family=yokohama&ft:locale=en-US) : * Use the ServiceNow® Now Assist 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 [Now Assist for Enterprise Architecture (EA)](https://www.servicenow.com/docs/access?context=now-assist-ea&family=yokohama&ft:locale=en-US). | [ ] ## Changes Between your current release family and Yokohama, some changes were made to existing Now Assist for Enterprise Architecture (EA) features. {#dfrn3-nowassistforenterprisearchitectureea-summary__entry__14} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | **[Yokohama Patch 11](https://www.servicenow.com/docs/access?context=yokohama-patch-11&family=yokohama&ft:locale=en-US)** [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 now 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. : | [ ] ## Removed Between your current release family and Yokohama, some Now Assist for Enterprise Architecture (EA) features or functionality were removed. {#dfrn3-nowassistforenterprisearchitectureea-summary__entry__20} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | No updates for this release. | [ ] ## Deprecations Between your current release family and Yokohama, some Now Assist for Enterprise Architecture (EA) features or functionality were deprecated. {#dfrn3-nowassistforenterprisearchitectureea-summary__entry__26} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | No updates for this release. | [ ] ## Activation information Review information on how to activate Now Assist for Enterprise Architecture (EA). {#dfrn3-nowassistforenterprisearchitectureea-summary__entry__32} | Release | Release notes | |-|-| | Xanadu | Now Assist features are available with activation of the Now Assist for Enterprise Architecture (EA) plugin. The [Now Assist for Enterprise Architecture (EA)](https://www.servicenow.com/docs/access?context=now-assist-ea&family=xanadu&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=xanadu&ft:locale=en-US). | | Yokohama | Now Assist features are available with activation of the Now Assist for Enterprise Architecture (EA) plugin. The [Now Assist 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). | [ ] ## Additional requirements If any additional requirements were introduced or changed for Now Assist for Enterprise Architecture (EA) we have noted them here. {#dfrn3-nowassistforenterprisearchitectureea-summary__entry__38} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | No updates for this release. | [ ] ## Browser requirements If any specific browser requirements were introduced or changed for Now Assist for Enterprise Architecture (EA) we have noted them here. {#dfrn3-nowassistforenterprisearchitectureea-summary__entry__44} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | No updates for this release. | [ ] ## Accessibility information Review details on accessibility information for Now Assist for Enterprise Architecture (EA), such as specific requirements or compliance levels. {#dfrn3-nowassistforenterprisearchitectureea-summary__entry__50} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | No updates for this release. | [ ] ## Localization information If there are specific localization considerations for Now Assist for Enterprise Architecture (EA) we have noted them here. {#dfrn3-nowassistforenterprisearchitectureea-summary__entry__56} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | No updates for this release. | [ ] ## Highlight information If there are specific highlight considerations for Now Assist for Enterprise Architecture (EA) we have noted them here. {#dfrn3-nowassistforenterprisearchitectureea-summary__entry__62} | Release | Release notes | |-|-| | Xanadu | Xanadu Patch 10: Implement security in Now Assist AI agents with access control lists (ACLs). Xanadu Patch 7: Generate and summarize Enterprise Modeling and Visualization diagrams for business applications hierarchy, using the Enterprise Architecture Diagrammer AI agent. * 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 [Now Assist for Enterprise Architecture (EA)](https://www.servicenow.com/docs/access?context=now-assist-ea&family=xanadu&ft:locale=en-US) for more information. | | 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 [Now Assist for Enterprise Architecture (EA)](https://www.servicenow.com/docs/access?context=now-assist-ea&family=yokohama&ft:locale=en-US) for more information. | [ ]