--- sourceDocument: zurich Combined Product Files sourceDocumentLink: https://www.servicenow.com/docs/r/zurich/delta-xanadu-zurich Release : - zurich ft:locale : - en-US ft:publication_title : - zurich Combined Product Files ft:clusterId : - delta3zx bundleId : - delta3zx --- # Combined ServiceNow Otto for App Engine release notes for upgrades from Xanadu to Zurich # Combined ServiceNow Otto for App Engine release notes for upgrades from Xanadu to Zurich {#ariaid-title1} Release version: Zurich 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 ServiceNow Otto for App Engine Release Notes for Upgrades from Xanadu to Zurich This consolidated release notes document provides ServiceNow customers with a comprehensive view of new features, changes, and important upgrade information for ServiceNow Otto for App Engine, spanning from the Xanadu release through to Zurich. It serves as a practical guide to help prepare for and execute upgrades while understanding the evolution of the product's capabilities. Show full answer Show less ## Key Features * **Yokohama Release:** * Create custom AI agents using AI Agent Studio to assist application users. * Develop custom skills for Now Assist to enhance generative AI flexibility on the ServiceNow AI Platform. * **Zurich Release:** * Introduce a custom app record summarization skill to generate summaries for records in custom applications and tables. * Configure the summarization skill with contextual information about tables to improve summary relevance. * Enable in-product record summarization via a Summarize button or through chat in the Now Assist panel. * Expand third-party AI model provider options for Now Assist skills and AI agents to include Google Gemini 2.0 Flash, Google Gemini 2.5 Pro, and AWS Claude 3.7 Sonnet alongside existing providers such as Now LLM Service and Azure OpenAI GPT-4.1. ## Key Changes * **Now Assist Usage Measurement:** * Transition from a 365-day look-back model to a 365-day burn-down model, resetting usage at the contract anniversary date (starting with Yokohama Patch 5 and continuing in Zurich). * Default activation of certain Now Assist skills for new customers and automatic enabling of previously unconfigured skills for existing customers upgrading from Yokohama Patch 11 onwards. * **Access Control Configuration:** * Configure ACLs to control discovery and triggering of AI agents and agentic workflows within AI Agent Studio. * Specify whether AI agents or workflows operate as dynamic users or AI users and control their availability to authenticated or public users. ## Activation and Installation ServiceNow Otto for App Engine is available through the ServiceNow Store. Customers must request installation from the store, where they can also view all available apps and related release notes history. This applies to both Yokohama and Zurich releases. ## Additional Requirements and Considerations * **Entitlements:** Check your entitlements to confirm access to the ServiceNow Otto for App Engine application, particularly relevant for the Yokohama release. * **Browser, Accessibility, and Localization:** No updates or changes were introduced between Xanadu and Zurich. ## Highlights for Customers * Yokohama Patch 3 introduced the capability to create and deploy AI agents within custom applications, enhancing workflow automation and efficiency. * Yokohama Patch 11 refined Now Assist usage measurement and enabled some skills, agents, and workflows by default, requiring role configuration for agentic workflows and AI agents. * Zurich Patch 4 enabled generation of record summaries in custom applications via Now Assist's generative AI. * Zurich Patch 5 continued updates to usage measurement models. * Preliminary Zurich release notes introduced new AI model providers, expanding the AI capabilities available within Now Assist skills and AI agents. This information equips ServiceNow customers with a clear understanding of the evolution of ServiceNow Otto for App Engine, ensuring they can effectively utilize new AI capabilities, manage usage and access controls, and smoothly upgrade from Xanadu through to Zurich. Consolidated page of all release notes for ServiceNow Otto for App Engine from Xanadu to Zurich. ## How to use this page To help you prepare for your upgrade, we have combined the cross-family ServiceNow Otto for App Engine 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 ServiceNow Otto for App Engine to Zurich Before you upgrade to Zurich, review these pre- and post-upgrade tasks and complete the tasks as needed. {#dfrn3-servicenowottoforappengine-summary__entry__2} | 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 ServiceNow Otto for App Engine. {#dfrn3-servicenowottoforappengine-summary__entry__10} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | [Create an AI agent](https://www.servicenow.com/docs/access?context=configure-next-best-action-agent&family=yokohama&ft:locale=en-US) : Create a custom AI agent in AI Agent Studio to assist your application users with their tasks. [Create a skill](https://www.servicenow.com/docs/access?context=create-new-skill&family=yokohama&ft:locale=en-US) : Create a custom skill for Now Assist, enabling you to have greater flexibility with the generative AI capabilities available on the ServiceNow AI Platform. | | Zurich | [Record summarization skill](https://www.servicenow.com/docs/access?context=custom-app-record-summarization-na-for-app-engine&family=zurich&ft:locale=en-US) : Generate summaries for records in custom applications and tables with the custom app record summarization skill. [Configure custom app record summarization](https://www.servicenow.com/docs/access?context=configure-custom-app-record-summarization-na-for-app-engine&family=zurich&ft:locale=en-US) : Configure the custom app record summarization skill so that it generates summaries for the tables and records that you specify. You can add context about the table or tables and describe the purpose of the table, so that Now Assist can use that information when generating summaries. [Summarize a record in-product](https://www.servicenow.com/docs/access?context=summarize-record-in-product-na-for-app-engine&family=zurich&ft:locale=en-US) : Select the Summarize button on a record in-product to generate a summary. You can also summarize a record through chat in the Now Assist panel. See [Summarize a record through chat](https://www.servicenow.com/docs/access?context=summarize-record-through-chat-na-for-app-engine&family=zurich&ft:locale=en-US) for more information. [New third-party AI model provider options available for Now Assist](https://www.servicenow.com/docs/access?context=manage-large-language-models&family=zurich&ft:locale=en-US) : Google Gemini 2.0 Flash, Google Gemini 2.5 Pro, and AWS Claude 3.7 Sonnet are available for Now Assist skills and AI agents in addition to Now LLM Service and Azure OpenAI GPT-4.1 and GPT-4.1 mini. | [ ] ## Changes Between your current release family and Zurich, some changes were made to existing ServiceNow Otto for App Engine features. {#dfrn3-servicenowottoforappengine-summary__entry__18} | 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. | | 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). | [ ] ## Removed Between your current release family and Zurich, some ServiceNow Otto for App Engine features or functionality were removed. {#dfrn3-servicenowottoforappengine-summary__entry__26} | 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 ServiceNow Otto for App Engine features or functionality were deprecated. {#dfrn3-servicenowottoforappengine-summary__entry__34} | 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 ServiceNow Otto for App Engine. {#dfrn3-servicenowottoforappengine-summary__entry__42} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | Activation information : Install ServiceNow Otto for App Engine by requesting it from the ServiceNow Store. Visit the [ServiceNow Store](https://store.servicenow.com/sn_appstore_store.do#!/store/home) website to view all the available apps and for information about submitting requests to the store. For cumulative release notes information for all released apps, see the [ServiceNow Store version history release notes](https://www.servicenow.com/docs/access?context=sn-store-release-notes&family=yokohama&ft:locale=en-US). Important: ServiceNow Otto for App Engine is available in the ServiceNow Store. For details, see the "Activation information" section of these release notes. | | Zurich | Activation information : Install ServiceNow Otto for App Engine by requesting it from the ServiceNow Store. Visit the [ServiceNow Store](https://store.servicenow.com/sn_appstore_store.do#!/store/home) website to view all the available apps and for information about submitting requests to the store. For cumulative release notes information for all released apps, see the [ServiceNow Store version history release notes](https://www.servicenow.com/docs/access?context=sn-store-release-notes&family=zurich&ft:locale=en-US). Important: ServiceNow Otto for App Engine 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 App Engine we have noted them here. {#dfrn3-servicenowottoforappengine-summary__entry__50} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | Additional requirements : Check your entitlements to determine whether you have access to the ServiceNow Otto for App Engine application. | | Zurich | No updates for this release. | [ ] ## Browser requirements If any specific browser requirements were introduced or changed for ServiceNow Otto for App Engine we have noted them here. {#dfrn3-servicenowottoforappengine-summary__entry__58} | 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 ServiceNow Otto for App Engine, such as specific requirements or compliance levels. {#dfrn3-servicenowottoforappengine-summary__entry__66} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | No updates for this release. | | Zurich | No updates for this release. | [ ] ## Localization information If there are specific localization considerations for ServiceNow Otto for App Engine we have noted them here. {#dfrn3-servicenowottoforappengine-summary__entry__74} | 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 ServiceNow Otto for App Engine we have noted them here. {#dfrn3-servicenowottoforappengine-summary__entry__82} | 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 3](https://www.servicenow.com/docs/access?context=yokohama-patch-3&family=yokohama&ft:locale=en-US) * Create and deploy AI agents within custom applications, helping to empower creators and accelerate time-to-value. * Build custom AI agents and skills for the unique workflow of an application using AI Skill Kit and AI Agent Studio. * Leverage AI agents and skills created with ServiceNow Otto for App Engine in custom applications at runtime, helping improve efficiency. See [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) 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) * Generate summaries for records in custom applications using the generative AI capabilities of Now Assist. [Zurich release notesPreliminary release notes for Zurich Release Testing Preview (RTP)](https://www.servicenow.com/docs/access?context=family-release-notes&family=zurich&ft:locale=en-US) * Use Google Gemini and Anthropic Claude on AWS as AI model providers for Now Assist skills and AI agents in addition to Now LLM Service and Azure OpenAI. See [ServiceNow Otto for App Engine](https://www.servicenow.com/docs/access?context=add-ai-to-custom-apps-with-now-assist-for-app-engine-enterprise&family=zurich&ft:locale=en-US) for more information. | [ ]