--- 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 Next Experience Developer (NED) Tools release notes for upgrades from Xanadu to Yokohama # Combined Next Experience Developer (NED) Tools 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) 4 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 Next Experience Developer (NED) Tools release notes for upgrades from Xanadu to Yokohama This consolidated release notes document provides ServiceNow customers with a comprehensive summary of updates, new features, changes, removals, and activation information for the Next Experience Developer (NED) Tools spanning from the Xanadu release through Yokohama. It is designed to assist customers in preparing for and successfully upgrading their NED Tools to the Yokohama version. Show full answer Show less ## New Features * **From Xanadu:** * **Health indicators:** A dashboard on the Home view displays health indicators to highlight potential component and action issues. * **Trace view:** Shows a waterfall of page calls with detailed duration metrics for each call. * **Server-side logs:** Admins can switch from client logs to server logs to record and view backend data. * **Events management:** The Events view provides contextual information and controls for event handling. * **Service workers tab:** Offers visibility into service worker behavior on pages. * **From Yokohama:** No new features were introduced in this release. ## Changes * **Yokohama release introduces enhancements including:** * **Component Visualization:** Highlighted components now display tooltips showing element tag names and IDs, improving identification during development and troubleshooting. * **Event Filters:** Icons enable filtering events by specific timeframes for precise analysis. * **Subtree Filters:** Allows scrolling and searching within selected portions of the component tree to isolate relevant areas. * **Trace Filters:** Enhanced front-end filters streamline span visualizations, specialty filters focus waterfall analyses without losing context, and level filters adjust detail display in span visualizations for easier trace diagnostics. * **Xanadu release:** No changes were made. ## Removed Features * **From Xanadu:** The Actions tab was removed from the Next Experience Inspector, simplifying the tool and focusing on other diagnostic capabilities. * **From Yokohama:** No features were removed in this release. ## Activation and Browser Requirements * Next Experience Developer Tools must be downloaded from the Google Chrome Web Store. * The tools require the Google Chrome browser for operation. ## Additional Notes * There are no new pre- or post-upgrade tasks specific to the Yokohama release. * No changes were made to accessibility, localization, or highlight information for these releases. ## Key Outcomes for ServiceNow Customers * Improved diagnostics with health indicators and comprehensive trace views help identify and resolve component and backend issues faster. * Enhanced filtering capabilities in Yokohama reduce troubleshooting time by allowing focused analysis on component behavior, events, and traces. * Removal of less-used features like the Actions tab streamlines the user experience. * Consistent activation process and browser requirements ensure smooth adoption of the tools. Consolidated page of all release notes for Next Experience Developer (NED) Tools from Xanadu to Yokohama. ## How to use this page To help you prepare for your upgrade, we have combined the cross-family Next Experience Developer (NED) Tools 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 Next Experience Developer (NED) Tools to Yokohama Before you upgrade to Yokohama, review these pre- and post-upgrade tasks and complete the tasks as needed. {#dfrn3-nextexperiencedevelopernedtools-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 Next Experience Developer (NED) Tools. {#dfrn3-nextexperiencedevelopernedtools-summary__entry__8} | Release | Release notes | |-|-| | Xanadu | [Health indicators in the Next Experience Inspector](https://developer.servicenow.com/dev.do#!/reference/next-experience/washingtondc/developer-tools/inspector-tab/home) : The Home view provides information and communicates potential issues on the page through a dashboard of health indicators for components and actions. [View traces in the Next Experience Inspector](https://developer.servicenow.com/dev.do#!/reference/next-experience/washingtondc/developer-tools/inspector-tab/trace) : The Trace view provides a waterfall of calls made to the page with information on how the duration for each call. [Server-side logs in the Logs tab for Next Experience Inspector](https://developer.servicenow.com/dev.do#!/reference/next-experience/washingtondc/developer-tools/inspector-tab/logs) : Record and view backend data by changing your preference from client logs to server logs when you're logged in as an admin. [Manage events in the Next Experience Inspector](https://developer.servicenow.com/dev.do#!/reference/next-experience/washingtondc/developer-tools/inspector-tab/events) : The Events view provides contextual information and actions for managing events. [Service workers tab in the Next Experience Inspector](https://developer.servicenow.com/dev.do#!/reference/next-experience/washingtondc/developer-tools/inspector-tab/service-workers) : The Service workers tab provides visibility into service worker behavior. | | Yokohama | No updates for this release. | [ ] ## Changes Between your current release family and Yokohama, some changes were made to existing Next Experience Developer (NED) Tools features. {#dfrn3-nextexperiencedevelopernedtools-summary__entry__14} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | Component visualization : Highlighted components feature a tooltip that displays the element tag name and element ID. Time filters for events : Icons were added to each event to enable you to select a timeframe when filtering events. Subtree filters for events : Scroll and search through a selected portion of the component tree. Filters for traces : Filter traces with front-end filters to streamline span visualizations, specialty filters to view targeted waterfall analysis without losing overall context, and level filters to adjust the detail display in span visualizations. | [ ] ## Removed Between your current release family and Yokohama, some Next Experience Developer (NED) Tools features or functionality were removed. {#dfrn3-nextexperiencedevelopernedtools-summary__entry__20} | Release | Release notes | |-|-| | Xanadu | * The Actions tab has been removed from the Next Experience Inspector. | | Yokohama | No updates for this release. | [ ] ## Deprecations Between your current release family and Yokohama, some Next Experience Developer (NED) Tools features or functionality were deprecated. {#dfrn3-nextexperiencedevelopernedtools-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 Next Experience Developer (NED) Tools. {#dfrn3-nextexperiencedevelopernedtools-summary__entry__32} | Release | Release notes | |-|-| | Xanadu | Download Next Experience Developer Tools from the Google Chrome Web Store. | | Yokohama | Activation information : Download Next Experience Developer Tools from the Google Chrome Web Store. | [ ] ## Additional requirements If any additional requirements were introduced or changed for Next Experience Developer (NED) Tools we have noted them here. {#dfrn3-nextexperiencedevelopernedtools-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 Next Experience Developer (NED) Tools we have noted them here. {#dfrn3-nextexperiencedevelopernedtools-summary__entry__44} | Release | Release notes | |-|-| | Xanadu | Download Next Experience Developer Tools from the Google Chrome Web Store. | | Yokohama | Browser requirements : Next Experience Developer Tools requires Google Chrome. | [ ] ## Accessibility information Review details on accessibility information for Next Experience Developer (NED) Tools, such as specific requirements or compliance levels. {#dfrn3-nextexperiencedevelopernedtools-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 Next Experience Developer (NED) Tools we have noted them here. {#dfrn3-nextexperiencedevelopernedtools-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 Next Experience Developer (NED) Tools we have noted them here. {#dfrn3-nextexperiencedevelopernedtools-summary__entry__62} | Release | Release notes | |-|-| | Xanadu | * Record backend data for page with server logs. * Get an overview of potential issue for components and actions with a dashboard of health indicators. * View a waterfall of calls made to the page with information on how long each call took. * Get information on network calls made to your pages including the type of calls, timing, frequency, and network URLs. See [Next Experience Developer Tools](https://developer.servicenow.com/dev.do#!/reference/next-experience/xanadu/developer-tools/using-next-experience-developer-tools) for more information. | | Yokohama | Reduce troubleshooting time with enhanced component visualization, filters for traces, and new event filters. See [Next Experience Developer Tools](https://developer.servicenow.com/dev.do#!/reference/next-experience/yokohama/developer-tools/using-next-experience-developer-tools) for more information. | [ ]