Combined Now Assist Skill Kit release notes for upgrades from Xanadu to Yokohama

  • Release version: Yokohama
  • Updated June 16, 2026
  • 5 minutes to read
  • Consolidated page of all release notes for Now Assist Skill Kit from Xanadu to Yokohama.

    How to use this page

    To help you prepare for your upgrade, we have combined the cross-family Now Assist 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 Now Assist Skill Kit to Yokohama

    Before you upgrade to Yokohama, review these pre- and post-upgrade tasks and complete the tasks as needed.

    Release Release notes

    Xanadu

    No updates for this release.

    Yokohama

    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. You may need to log in to view the article.

    New features

    Between your current release family and Yokohama, new features were introduced for Now Assist Skill Kit.

    Release Release notes

    Xanadu

    No updates for this release.

    Yokohama

    Yokohama Patch 6
    New skill deployment option
    Deploy skills using UI Builder.
    Choose a language for data generation
    When you create synthetic data, you can select what language you want to receive the data in.
    AI-assisted ground truth
    Use AI to assist creating ground truth for your data.
    Import data with a CSV file
    Import data from a CSV file to create a dataset.
    Create a custom data generator
    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.
    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 Now Assist Admin console to enable it.
    Add and manage tools visually in the new Tools editor, including decision branching, to execute different tools for your skill.
    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 Now Assist Skill Kit features.

    Release Release notes

    Xanadu

    No updates for this release.

    Yokohama

    Yokohama Patch 11
    Changes to Now Assist usage measurement
    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.
    Some Now Assist skills are turned on by default
    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 Skill Kit features or functionality were removed.

    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 Skill Kit features or functionality were deprecated.

    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 Skill Kit.

    Release Release notes

    Xanadu

    No updates for this release.

    Yokohama

    Now Assist features are available with activation of any Now Assist plugin from the ServiceNow Store. The following plugins are available:

    Additional requirements

    If any additional requirements were introduced or changed for Now Assist Skill Kit we have noted them here.

    Release Release notes

    Xanadu

    No updates for this release.

    Yokohama

    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 Now Assist Skill Kit we have noted them here.

    Release Release notes

    Xanadu

    No updates for this release.

    Yokohama

    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 Now Assist Skill Kit, such as specific requirements or compliance levels.

    Release Release notes

    Xanadu

    No updates for this release.

    Yokohama

    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 Now Assist Skill Kit we have noted them here.

    Release Release notes

    Xanadu

    No updates for this release.

    Yokohama

    Now Assist supports Dynamic Translation for Yokohama.

    Highlight information

    If there are specific highlight considerations for Now Assist Skill Kit we have noted them here.

    Release Release notes

    Xanadu

    No updates for this release.

    Yokohama

    Yokohama Patch 11
    • 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 Now Assist 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 Now Assist 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 Now Assist SDK for more information.