--- sourceDocument: yokohama Combined Product Files sourceDocumentLink: https://www.servicenow.com/docs/r/yokohama/delta-xanadu-yokohama Release : - yokohama ft:locale : - en-US ft:publication_title : - yokohama Combined Product Files ft:clusterId : - delta3yx bundleId : - delta3yx --- # Combined AI Skill Kit release notes for upgrades from Xanadu to Yokohama # Combined AI Skill Kit release notes for upgrades from Xanadu to Yokohama {#ariaid-title1} Release version: Yokohama Updated October 8, 2026 ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 6 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 AI Skill Kit release notes for upgrades from Xanadu to Yokohama This consolidated release notes document covers all AI Skill Kit updates from the Xanadu release through to the Yokohama release, helping ServiceNow customers prepare for the upgrade process. It summarizes new features, changes, activation details, and important considerations specific to the Yokohama release, enabling customers to understand what to expect and how to apply the new capabilities effectively. Show full answer Show less ## Key Features * **New Skill Deployment Option:** Skills can now be deployed using UI Builder, streamlining the deployment process. * **Language Selection for Data Generation:** When creating synthetic data, users can select the desired language for the output. * **AI-Assisted Ground Truth Creation:** AI capabilities assist in generating ground truth for datasets, improving data accuracy. * **CSV Data Import:** Datasets can be created by importing data from CSV files, simplifying data onboarding. * **Custom Data Generators:** Users can create and use custom data generators for synthetic data creation tailored to specific needs. * **Customization of ServiceNow Skills:** Skills from Now Assist applications can be cloned and customized within Now Assist Skill Kit, including prompt editing and changing AI service providers. * **Tools Editor with Decision Branching:** A new visual Tools editor allows adding and managing tools with conditional execution based on defined criteria, including default branches. ## Changes * **Now Assist Usage Measurement:** Transitioned from a 365-day look-back model to a 365-day burn-down model resetting at contract anniversary (starting Yokohama Patch 5). * **Default Activation of Skills:** For new customers, designated Now Assist skills activate automatically upon installation. For existing customers upgrading (from Patch 11), previously unconfigured skills enable automatically. * **Access Control for AI Agents and Workflows:** ACLs can now be configured in AI Agent Studio to control who can discover and trigger AI agents and agentic workflows, with options to define user behavior and visibility. * **Relocation of Add Tools Function:** The ability to add and edit tools in Now Assist Skill Kit moved from the Prompt editor tab to the new Tool editor tab for better usability. ## Activation Information AI Skill Kit features activate through Now Assist plugins available in the ServiceNow Store. Numerous industry and functional plugins are supported, including those for IT Service Management, Customer Service Management, HR Service Delivery, Security Incident Response, and more. Customers must activate the relevant Now Assist plugin to enable AI Skill Kit capabilities. ## Additional Requirements and Browser Support * **Next Experience UI Framework:** Must be enabled to use the Now Assist panel. * **Browser Compatibility:** Supported browsers include Google Chrome and Microsoft Edge; Microsoft Internet Explorer is not supported. ## Accessibility and Localization * **Voice Input:** An optional Voice Input setting allows users to interact with the Now Assist panel via voice commands. * **Dynamic Translation:** Now Assist supports dynamic translation capabilities in Yokohama to enhance localization. ## Important Upgrade Considerations * Ensure any customized UI actions or code related to Now Assist skills are updated to align with new skill releases to avoid functional issues. * Refer to ServiceNow knowledge base articles for troubleshooting known upgrade issues with Now Assist products. * Review role configurations especially for agentic workflows and AI agents included with Now Assist applications to maintain proper access controls post-upgrade. ## Practical Impact for ServiceNow Customers Upgrading from Xanadu to Yokohama enhances AI Skill Kit functionality significantly, offering improved deployment, data management, and customization tools that align with evolving business needs. The changes to usage measurement and default skill activation streamline operational management and onboarding. Customers can expect better control over AI agents, improved localization support, and accessibility features, enabling broader and more effective use of AI within their ServiceNow environments. Consolidated page of all release notes for AI Skill Kit from Xanadu to Yokohama. ## How to use this page To help you prepare for your upgrade, we have combined the cross-family AI Skill Kit 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 AI Skill Kit to Yokohama Before you upgrade to Yokohama, review these pre- and post-upgrade tasks and complete the tasks as needed. {#dfrn3-aiskillkit-summary__entry__2} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | Upgrade information : If you customized UI actions or other items that are associated with Now Assist skills, ensure that your customized code is updated with the new skill releases. Otherwise, certain functions may not work as expected. If you run into issues when you're upgrading a Now Assist product, see [KB1637452: Issues and mitigation for Now Assist (Generative AI) Applications and Plugin updates](https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1637452). You may need to log in to view the article. | [ ] ## New features Between your current release family and Yokohama, new features were introduced for AI Skill Kit. {#dfrn3-aiskillkit-summary__entry__8} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | [New skill deployment option](https://www.servicenow.com/docs/access?context=configure-skill-settings&family=yokohama&ft:locale=en-US) : Deploy skills using UI Builder. [Choose a language for data generation](https://www.servicenow.com/docs/access?context=na-data-kit-generate-data&family=yokohama&ft:locale=en-US) : When you create synthetic data, you can select what language you want to receive the data in. [AI-assisted ground truth](https://www.servicenow.com/docs/access?context=add-ground-truth&family=yokohama&ft:locale=en-US) : Use AI to assist creating ground truth for your data. [Import data with a CSV file](https://www.servicenow.com/docs/access?context=add-dataset&family=yokohama&ft:locale=en-US) : Import data from a CSV file to create a dataset. [Create a custom data generator](https://www.servicenow.com/docs/access?context=create-custom-data-generator&family=yokohama&ft:locale=en-US) : Create and use a custom data generator to create synthetic data. [Customize ServiceNow skills in Now Assist Skill Kit to tailor skills to meet your specific business requirements.](https://www.servicenow.com/docs/access?context=clone-and-edit-servicenow-skill&family=yokohama&ft:locale=en-US) : Eligible skills provided in ServiceNow Now Assist applications can be cloned in Now Assist Skill Kit so that you can edit the prompt or change the AI service provider. Editing the prompt enables you to arrange the formatting and content of the large language model (LLM) response. After the skill is edited, activate the edited skill in the AI Admin Hub console to enable it. [Add and manage tools visually in the new Tools editor, including decision branching, to execute different tools for your skill.](https://www.servicenow.com/docs/access?context=add-a-tool&family=yokohama&ft:locale=en-US) : Adding decision branches between tools enables you to define the conditions that must be met for a tool to run. If no conditions are met, the default branch's step is executed. | [ ] ## Changes Between your current release family and Yokohama, some changes were made to existing AI Skill Kit features. {#dfrn3-aiskillkit-summary__entry__14} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | 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. [Now Assist Skill Kit add tools function moved to Tool editor tab.](https://www.servicenow.com/docs/access?context=add-a-tool&family=yokohama&ft:locale=en-US) : The ability to add and edit tools for Now Assist Skill Kit previously appeared on the Prompt editor tab. It now appears on the Tool editor tab. | [ ] ## Removed Between your current release family and Yokohama, some AI Skill Kit features or functionality were removed. {#dfrn3-aiskillkit-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 AI Skill Kit features or functionality were deprecated. {#dfrn3-aiskillkit-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 AI Skill Kit. {#dfrn3-aiskillkit-summary__entry__32} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | Activation information : Now Assist features are available with activation of any Now Assist plugin from the ServiceNow Store. The following plugins are available: * [ServiceNow Otto for Accounts Payable Operations (APO)](https://www.servicenow.com/docs/access?context=now-assist-apo&family=yokohama&ft:locale=en-US) * [Now Assist for App Engine](https://www.servicenow.com/docs/access?context=add-ai-to-custom-apps-with-now-assist-for-app-engine-enterprise&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for Configuration Management Database (CMDB)](https://www.servicenow.com/docs/access?context=now-assist-landing-cmdb&family=yokohama&ft:locale=en-US) * [Now Assist for CWM](https://www.servicenow.com/docs/access?context=now-assist-for-cwm-landing&family=yokohama&ft:locale=en-US) * [Now Assist for Creator](https://www.servicenow.com/docs/access?context=now-assist-for-creator-landing&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for Customer Service Management (CSM)](https://www.servicenow.com/docs/access?context=now-assist-csm&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for Employee Experience](https://www.servicenow.com/docs/access?context=now-assisit-employee-exp&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for Enterprise Architecture (EA)](https://www.servicenow.com/docs/access?context=now-assist-ea&family=yokohama&ft:locale=en-US) * [Now Assist](https://www.servicenow.com/docs/access?context=now-assist-for-esg&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for Field Service Management (FSM)](https://www.servicenow.com/docs/access?context=now-assist-fsm&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for Financial Services Operations (FSO)](https://www.servicenow.com/docs/access?context=now-assist-for-financial-services-operations&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for Hardware Asset Management (HAM)](https://www.servicenow.com/docs/access?context=now-assist-ham&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for Health and Safety](https://www.servicenow.com/docs/access?context=now-assist-hs-landing&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for HR Service Delivery (HRSD)](https://www.servicenow.com/docs/access?context=now-assist-hrsd&family=yokohama&ft:locale=en-US) * [Now Assist](https://www.servicenow.com/docs/access?context=now-assist-for-irm&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for ITOM](https://www.servicenow.com/docs/access?context=now-assist-itom&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for IT Service Management (ITSM)](https://www.servicenow.com/docs/access?context=now-assist-itsm&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for Legal Service Delivery (LSD)](https://www.servicenow.com/docs/access?context=now-assist-lsd-landing&family=yokohama&ft:locale=en-US) * [Operational Technology (OT) Manager Foundation](https://www.servicenow.com/docs/access?context=now-assist-for-otm-landing&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for Order Management](https://www.servicenow.com/docs/access?context=now-assist-order-management&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for PSDS](https://www.servicenow.com/docs/access?context=now-assist-for-psds&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for Security Incident Response (SIR)](https://www.servicenow.com/docs/access?context=now-assist-security-incident-landing&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for Software Asset Management (SAM)](https://www.servicenow.com/docs/access?context=now-assist-sam&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for Supplier Lifecycle Operations (SLO)](https://www.servicenow.com/docs/access?context=now-assist-slo&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for Sourcing and Procurement Operations (SPO)](https://www.servicenow.com/docs/access?context=now-assist-spo&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for Strategic Portfolio Management](https://www.servicenow.com/docs/access?context=now-assist-spm&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for Telecommunications, Media, and Technology (TMT)](https://www.servicenow.com/docs/access?context=now-assist-spmc&family=yokohama&ft:locale=en-US) * [Now Assist](https://www.servicenow.com/docs/access?context=now-assist-tprm&family=yokohama&ft:locale=en-US) * [Now Assist for WSD](https://www.servicenow.com/docs/access?context=now-assist-wsd-landing&family=yokohama&ft:locale=en-US) * [ServiceNow Otto for Unified Security Exposure Management](https://www.servicenow.com/docs/access?context=now-assist-for-vulnerability-response-landing&family=yokohama&ft:locale=en-US) Important: AI Skill Kit 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 AI Skill Kit we have noted them here. {#dfrn3-aiskillkit-summary__entry__38} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | Additional requirements : The Next Experience UI Framework must be enabled to use the Now Assist panel. | [ ] ## Browser requirements If any specific browser requirements were introduced or changed for AI Skill Kit we have noted them here. {#dfrn3-aiskillkit-summary__entry__44} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | Browser requirements : Now Assist supports various browsers, including Google Chrome and Microsoft Edge. Now Assist isn't supported in Microsoft Internet Explorer. | [ ] ## Accessibility information Review details on accessibility information for AI Skill Kit, such as specific requirements or compliance levels. {#dfrn3-aiskillkit-summary__entry__50} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | Accessibility information : Admins can enable an optional Voice Input setting for the Now Assist panel that enables users to interact with the panel using their voice or in voice assist mode. | [ ] ## Localization information If there are specific localization considerations for AI Skill Kit we have noted them here. {#dfrn3-aiskillkit-summary__entry__56} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | Localization information : Now Assist supports Dynamic Translation for Yokohama. | [ ] ## Highlight information If there are specific highlight considerations for AI Skill Kit we have noted them here. {#dfrn3-aiskillkit-summary__entry__62} | 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) * 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 6 * Use UI Builder to deploy custom skills. * Import data into AI Skill Kit with a CSV file. * Use AI to create ground truth for your data. * Use a custom data generator to create synthetic datasets. * Users can create synthetic data in AI Data Kit. * Generated synthetic data can be saved as a dataset. * Add and manage tools of a custom skill, visually in the new Tools editor, including conditional execution of tools. * Customize ServiceNow skills with new prompts or providers in Now Assist Skill Kit to suit your specific business needs. See [AI Skill Kit](https://www.servicenow.com/docs/access?context=now-assist-skill-kit-landing&family=yokohama&ft:locale=en-US) for more information. | [ ]