--- sourceDocument: Zurich Release Notes sourceDocumentLink: https://servicenow-prod.fluidtopics.net/r/zurich/release-notes Release : - zurich ft:locale : - en-US ft:publication_title : - Zurich Release Notes ft:clusterId : - rn bundleId : - rn --- # ServiceNow Otto for App Engine release notes # ServiceNow Otto for App Engine release notes {#ariaid-title1} Release version: Zurich Updated July 31, 2025 ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 2 minutes to read The ServiceNow® ServiceNow Otto for App Engine application enables creators to enhance custom applications with AI agents and skills that application users can leverage at runtime. ServiceNow Otto for App Engine was enhanced and updated in the Zurich release. ## About ServiceNow Otto for App Engine {#now-assist-for-app-engine-rn__now-assist-for-app-engine-rn-highlights} [Zurich Patch 5](https://servicenow-prod.fluidtopics.net/EUKjGiGPGAI0Y2J3e0OXkQ "The Zurich Patch 5 release contains important problem fixes.") * Review changes to Now Assist usage measurement. {#now-assist-for-app-engine-rn__ul_th5_hpb_xhc} [Zurich Patch 4](https://servicenow-prod.fluidtopics.net/i4YMnCLVW7eu1rHqMLWEww "The Zurich Patch 4 release contains important problem fixes.") * Generate summaries for records in custom applications using the generative AI capabilities of Now Assist. {#now-assist-for-app-engine-rn__ul_jdn_kwn_whc} [Zurich release notes](https://servicenow-prod.fluidtopics.net/7iJYQ~68W8elmsN6PbEyfA "The ServiceNow Zurich release includes new products and applications, as well as additional features and fixes for existing products. Read the release notes to learn about the release, prepare for your upgrade, and upgrade your instance.") * 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. {#now-assist-for-app-engine-rn__ul_r5g_lwn_whc} 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&version=zurich&pubname=zurich-application-development&ft:locale=en-US) for more information.{#now-assist-for-app-engine-rn__now-assist-for-app-engine-rn-highlights-4} ## Activation and other requirements Important: ServiceNow Otto for App Engine is available in the ServiceNow Store. For details, see the "Activation information" section of these release notes. 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/r/store-release-notes/sn-store-release-notes.html).{#now-assist-for-app-engine-rn__now-assist-for-app-engine-rn-activation-1} ## January 2026 {#ariaid-title2} The ServiceNow® ServiceNow Otto for App Engine application enables creators to enhance custom applications with AI agents and skills that application users can leverage at runtime. ServiceNow Otto for App Engine was enhanced and updated in the Zurich release. ### What's changed {#now-assist-for-app-engine-rn-2026-01__now-assist-for-app-engine-rn-changed-features} [Changes to Now Assist usage measurement](https://www.servicenow.com/docs/access?context=monitoring-now-assist-usage&version=zurich&pubname=zurich-platform-administration&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). {#now-assist-for-app-engine-rn-2026-01__now-assist-for-app-engine-rn-changed-features-1} ## December 2025 {#ariaid-title3} The ServiceNow® ServiceNow Otto for App Engine application enables creators to enhance custom applications with AI agents and skills that application users can leverage at runtime. ServiceNow Otto for App Engine was enhanced and updated in the Zurich release. ### What's new {#now-assist-for-app-engine-rn-2025-12__now-assist-for-app-engine-rn-new-features} [Custom app record summarization skill](https://www.servicenow.com/docs/access?context=custom-app-record-summarization-na-for-app-engine&version=zurich&pubname=zurich-application-development&ft:locale=en-US) : Generate summaries for records in custom applications and tables with the custom app record summarization skill. [Configure the custom app record summarization skill](https://www.servicenow.com/docs/access?context=configure-custom-app-record-summarization-na-for-app-engine&version=zurich&pubname=zurich-application-development&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 using ServiceNow Otto for App Engine](https://www.servicenow.com/docs/access?context=summarize-record-in-product-na-for-app-engine&version=zurich&pubname=zurich-application-development&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&version=zurich&pubname=zurich-application-development&ft:locale=en-US) for more information. {#now-assist-for-app-engine-rn-2025-12__now-assist-for-app-engine-rn-new-features-1} ## Zurich General Availability {#ariaid-title4} The ServiceNow® ServiceNow Otto for App Engine application enables creators to enhance custom applications with AI agents and skills that application users can leverage at runtime. ServiceNow Otto for App Engine was enhanced and updated in the Zurich release. ### What's new {#now-assist-for-app-engine-rn-2025-09__now-assist-for-app-engine-rn-new-features} [New third-party AI model provider options available for Now Assist](https://www.servicenow.com/docs/access?context=manage-large-language-models&version=zurich&pubname=zurich-intelligent-experiences&ft:locale=en-US){#now-assist-for-app-engine-rn-2025-09__new-available-llms-rn-dt} : 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.{#now-assist-for-app-engine-rn-2025-09__new-available-llms-rn-dd} {#now-assist-for-app-engine-rn-2025-09__new-available-llms-rn-dd}{#now-assist-for-app-engine-rn-2025-09__now-assist-for-app-engine-rn-new-features-1}