--- 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 Event Management release notes for upgrades from Xanadu to Yokohama # Combined Event Management 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) 9 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 Event Management Release Notes for Upgrades from Xanadu to Yokohama This consolidated guide presents all key updates for ServiceNow Event Management from the Xanadu release through to Yokohama. It is designed to help you prepare for and execute upgrades by outlining new features, changes, deprecations, removals, and activation details relevant to each release. The notes clarify enhancements in alert management, service maps, automation, and integrations along with important configuration and role updates. Show full answer Show less ## New Features * **Alert Correlation and Management Enhancements (Xanadu):** Customize alert correlation algorithms and create team- and tag-based alert clustering, improving alert relevance and scalability during high alert volumes. * **Service Operations Workspace Improvements:** Explore unified service maps and impact paths with visibility on configuration items (CIs), enabling faster assessment of alert impact on services. * **Express List Enhancements:** Perform bulk actions on up to 1,000 alerts, remove secondary alerts from groups, hide closed alerts, and view impacted services and CI details directly within the panel. * **Now Assist AI Integration:** Generate AI-driven incident summaries, alert group descriptions, and analyses of past related incidents to accelerate resolution and reduce downtime. * **Yokohama Specific Enhancements:** Automate or manually run multiple response subflows for alerts with configurable limits, link CIs to alerts for improved mapping, and manage network traffic-based alert grouping using ML Service Mapping to correlate alerts based on TCP connections. * **Team-Level Operator Role:** Introduce the `evtteamoperator` role to empower team operators to manage alerts, configurations, automations, and integrations within their teams. * **Metric Connector Integration:** Configure metric connectors for Nagios, SolarWinds, and Zabbix monitoring tools to ingest real-time metrics into Metric Intelligence, enhancing anomaly detection and alerting. ## Changes * **Performance Improvements (Xanadu):** Enhanced load times for alert forms and service dashboards. * **Impact Calculation:** Support for circular dependencies between configuration items in impact analysis. * **Property Name Updates (Yokohama):** Several configuration properties related to CMDB correlation and alert aggregation were renamed for clarity. * **Pull Connectors Default Settings:** The "Apply additional matching rules" option is now enabled by default for out-of-the-box event rules to simplify setup unless previously modified. ## Removals and Deprecations * **Removed:** The Event Management Mobile application is no longer available starting from the Xanadu release. * **Deprecated Dashboards (Xanadu):** Event Management scorecards, insights, overview, and Health Log Analytics Overview dashboards are deprecated. The Service Management dashboard is hidden on new instances but remains supported. ## Activation and Requirements * Event Management remains available via activation of the `com.glideapp.itom.snac` plugin in both Xanadu and Yokohama releases. * No additional requirements, browser updates, accessibility, or localization changes were introduced in these release cycles. ## Practical Benefits for ServiceNow Customers * Improved alert accuracy and actionable grouping through customizable algorithms and network-based correlation reduce noise and focus attention on critical issues. * Enhanced service maps and impact views in Service Operations Workspace and Express List help quickly identify affected services and CIs. * AI-powered Now Assist features streamline incident creation, alert analysis, and historical incident insights, accelerating root cause analysis and resolution. * Team-level operational control with new roles enables decentralized management and faster response within teams. * Integration with popular monitoring tools ensures comprehensive metric ingestion for better anomaly detection and alerting. * Performance improvements and UI enhancements facilitate faster navigation and bulk alert management at scale. Consolidated page of all release notes for Event Management from Xanadu to Yokohama. ## How to use this page To help you prepare for your upgrade, we have combined the cross-family Event Management 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 Event Management to Yokohama Before you upgrade to Yokohama, review these pre- and post-upgrade tasks and complete the tasks as needed. {#dfrn3-eventmanagement-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 Event Management. {#dfrn3-eventmanagement-summary__entry__8} | Release | Release notes | |-|-| | Xanadu | [Customize the default order of the alert correlation algorithm](https://www.servicenow.com/docs/access?context=Alert-Groups&family=xanadu&ft:locale=en-US) : Configure the alert correlation algorithm sequence by customizing it according to your needs. [Create team-based alert management rules](https://www.servicenow.com/docs/access?context=alert-management-rule&family=xanadu&ft:locale=en-US) : Assign alert management rules to specific assignment groups so that only those alerts that are assigned to the specified group are executed. [Create tag based alert clustering definitions by teams](https://www.servicenow.com/docs/access?context=alert-clustering-definitions&family=xanadu&ft:locale=en-US) : Create tag clusters only for alerts that are assigned to an alert group by assigning tag-based alert clusters to specific groups. [Restrict alert groups across alert assignment groups](https://www.servicenow.com/docs/access?context=alert-filtering&family=xanadu&ft:locale=en-US) : Improve the accuracy and relevance of the alert correlation by grouping alerts according to a diverse set of requirements. [Scale out for alert group creation](https://www.servicenow.com/docs/access?context=Alert-Groups&family=xanadu&ft:locale=en-US) : Ensure efficiency when running a job during high-alert traffic by scaling out the alert grouping job. [View unified service map and the impact paths in Service Operations Workspace](https://www.servicenow.com/docs/access?context=view-impact-tree&family=xanadu&ft:locale=en-US) : Explore the updated service map in the Service Operations Workspace, designed to focus on the path that was affected by an alert to help you quickly assess its impact on a service. The map displays all configuration items (CIs) for services with up to 60 CIs, regardless of alert status. For services with over 60 CIs that have alerts, it shows the path of the most severe, most recent alert. You can also investigate an even broader view of the service topology. Access the service map directly from Service Operations Workspace, or through the preview panel or an impacted service in Express List. [Perform bulk actions on alerts in Express List](https://www.servicenow.com/docs/access?context=acknowledge-alerts&family=xanadu&ft:locale=en-US) : Perform an action on up to 1,000 alerts in the Active alerts list simultaneously. [Remove alerts from an alerts group in Express List](https://www.servicenow.com/docs/access?context=el-remove-alerts-from-group&family=xanadu&ft:locale=en-US) : Remove secondary alerts from an alert group directly from the Express List pane or from the preview panel. [Hide closed alerts on the preview panel and in Link View in Express List](https://www.servicenow.com/docs/access?context=el-hide-closed-alerts&family=xanadu&ft:locale=en-US) : View only the open alerts on the preview panel and in Link View in Express List by toggling to hide the closed alerts. [View data on impacted services on the preview panel in Express List](https://www.servicenow.com/docs/access?context=el-impacted-services-data&family=xanadu&ft:locale=en-US) : View information about Impacted Services on the preview panel and in Link View in Express List and open the Service Map and Metric Explorer directly from the panel. [Create an incident with Now Assist in Express List](https://www.servicenow.com/docs/access?context=el-create-incident-now-assist&family=xanadu&ft:locale=en-US) : Generate incidents from alerts in Express List with a summary created by genAI that includes details on configuration items and impacted services. [View data on configuration items on the preview panel in Express List](https://www.servicenow.com/docs/access?context=el-ci-data&family=xanadu&ft:locale=en-US) : View additional details about configuration items (CIs) that are bound to alerts on the Express List preview panel. [Speed up alert resolution with a Now Assist analysis of past related incidents](https://www.servicenow.com/docs/access?context=nai-past-incidents&family=xanadu&ft:locale=en-US) : Enhance efficiency and reduce downtime with a Now Assist analysis of past incidents on the same or related CIs. Now Assist investigates historical data to identify past incidents related to the current alert and reports their frequency and criticality levels. It also provides a summary of effective strategies used to resolve them. In addition, Now Assist offers contact information for individuals or teams who have resolved similar incidents in the past and could assist when needed. [Generate an alert group description in Express List using Now Assist](https://www.servicenow.com/docs/access?context=alert-group-descr-generate-el&family=xanadu&ft:locale=en-US) : Use Now Assist to generate a description of an alert group in Express List that encompasses all the alerts within the group. The generated description replaces the original description of the group. [Launch an alert analysis from the Now Assist panel](https://www.servicenow.com/docs/access?context=alert-analysis-now-assist-panel&family=xanadu&ft:locale=en-US) : Analyze an alert from the Now Assist panel. The alert analysis displays directly in the Now Assist panel for convenient review. | | Yokohama | [\[Placeholder link text to key esc-notify-alert-sow-itom\]](https://www.servicenow.com/docs/access?context=esc-notify-alert-sow-itom&family=yokohama&ft:locale=en-US) : Starting in version 26.7.0, execute response subflows automatically, manually, or both for alerts that match specific conditions through the Run Other Response Actions option of Respond Automatic. This enhancement offers better control over automated responses with configurable execution limits and multiple response actions. [\[Placeholder link text to key enrich-alert-sow-itom\]](https://www.servicenow.com/docs/access?context=enrich-alert-sow-itom&family=yokohama&ft:locale=en-US) : Starting in version 26.7.0, link a CI to an alert for more accurate IT component mapping though the Improve Configuration Item (CI identification option of Enrich Automation. This enhancement improves alert visibility, speeds up issue resolution, and ensures better correlation between alerts and infrastructure components. [View links between alerts in network traffic-based alert groups](https://www.servicenow.com/docs/access?context=el-network-traffic-based-link-view&family=yokohama&ft:locale=en-US) : Once a network traffic correlation is enabled, investigate network traffic alert group details and visualize connections through Link View in Express List®. [Group alerts using network traffic-based grouping](https://www.servicenow.com/docs/access?context=network-traffic-correlation-grouping&family=yokohama&ft:locale=en-US) : Group alerts efficiently with network traffic-based alert grouping, which uses discovered TCP connections with ML Service Mapping to correlate alerts on host CIs that have network traffic connections between them. [New role for team level operators](https://www.servicenow.com/docs/access?context=r_InstalledWithEventManagement&family=yokohama&ft:locale=en-US) : Enhance team-level control over alert management with the evt_team_operator role. This role enables operators to manage Event Management operations within their assigned team, including reading and writing alerts, making configuration changes,updating Alert Automation, and setting up new integrations in the Integrations Launchpad. | [ ] ## Changes Between your current release family and Yokohama, some changes were made to existing Event Management features. {#dfrn3-eventmanagement-summary__entry__14} | Release | Release notes | |-|-| | Xanadu | [Alert page performance enhancements](https://www.servicenow.com/docs/access?context=c_EMAlert&family=xanadu&ft:locale=en-US) : Benefit from the enhanced load time of the alert forms and service dashboard. [Calculate impact during loop dependency](https://www.servicenow.com/docs/access?context=cross-business-service-impact&family=xanadu&ft:locale=en-US) : Support for circular (loop) dependency between configuration items in the impact tree is enabled. [Automated alert groups perform tag-based alert clustering](https://www.servicenow.com/docs/access?context=c_SACorrelatedAlertGroups&family=xanadu&ft:locale=en-US) : Tag-based alert group correlation is performed as part of automated alert groups. | | Yokohama | [Property name changes](https://www.servicenow.com/docs/access?context=enable-alert-grouping&family=yokohama&ft:locale=en-US) : Enable CMDB Correlation for Alert Aggregation ( CMDB groups) (sa_analytics.agg.query_cmdb_correlation_enabled) has been renamed Enable CMDB correlation.Enable alert aggregation for CI-based Automated groups (sa_analytics.specific_patterns_enabled) has been renamed Enable ML based Automation correlation.Enable alert aggregation for Text-based groups (sa_analytics.text_based_group_enabled) has been renamed Enable Text based correlation.Use all CMDB relations for CMDB group correlation. This property impacts both CMDB group correlation and Alert Similarity on the Alert form (evt_mgmt.related_cis_get_all_relation_types) has been renamed Use all CMDB relations for CMDB group correlation. [Pull connectors](https://www.servicenow.com/docs/access?context=t_EMConfigureConnectorInstance&family=yokohama&ft:locale=en-US) : Simplifying the setup for Out-of-the-Box (OOTB) event rules that come with the pull connectors that have not yet been activated, deactivated, or modified, the Apply additional matching rules option is now enabled by default. If a rule has been previously applied, you must set this option manually. | [ ] ## Removed Between your current release family and Yokohama, some Event Management features or functionality were removed. {#dfrn3-eventmanagement-summary__entry__20} | Release | Release notes | |-|-| | Xanadu | The Event Management Mobile application is no longer available. | | Yokohama | No updates for this release. | [ ] ## Deprecations Between your current release family and Yokohama, some Event Management features or functionality were deprecated. {#dfrn3-eventmanagement-summary__entry__26} | Release | Release notes | |-|-| | Xanadu | The following dashboards have been deprecated: * Event Management scorecards * Event Management insights * Event Management overview * Health Log Analytics Overview The Service Management dashboard is being prepared for future deprecation. It will be hidden and no longer activated on new instances but will continue to be supported. For details, see the Deprecation Process article [(KB0867184)](https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB0867184) in the Now Support knowledge base. | | Yokohama | No updates for this release. | [ ] ## Activation information Review information on how to activate Event Management. {#dfrn3-eventmanagement-summary__entry__32} | Release | Release notes | |-|-| | Xanadu | Event Management is available with activation of the Event Management plugin (com.glideapp.itom.snac). For details, see [Request Event Management](https://www.servicenow.com/docs/access?context=t_EMActivatePlugin&family=xanadu&ft:locale=en-US). | | Yokohama | Activation information : Event Management is available with activation of the Event Management plugin (com.glideapp.itom.snac). For details, see [Request Event Management](https://www.servicenow.com/docs/access?context=t_EMActivatePlugin&family=yokohama&ft:locale=en-US). | [ ] ## Additional requirements If any additional requirements were introduced or changed for Event Management we have noted them here. {#dfrn3-eventmanagement-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 Event Management we have noted them here. {#dfrn3-eventmanagement-summary__entry__44} | Release | Release notes | |-|-| | Xanadu | No updates for this release. | | Yokohama | No updates for this release. | [ ] ## Accessibility information Review details on accessibility information for Event Management, such as specific requirements or compliance levels. {#dfrn3-eventmanagement-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 Event Management we have noted them here. {#dfrn3-eventmanagement-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 Event Management we have noted them here. {#dfrn3-eventmanagement-summary__entry__62} | Release | Release notes | |-|-| | Xanadu | * Visualize the chain of events that caused an issue by viewing an alert group timeline in Express List. * Understand the connection between the alerts by using Alert Assist's AI-driven technical analysis on alert groups. * Use the enhanced service map for alert impact visualization in Service Operations Workspace and Express List. * Select all alerts in Express List to perform bulk actions. * Remove alerts from an alerts group in Express List. * Hide closed alerts in Express List. * View data on Impacted Services in the preview panel in Express List. * Create an incident with an AI-generated summary from alerts in Express List. * View data on configuration items (CIs) on the preview panel in Express List. * Optimize alert resolution with AI-driven investigation of past related incidents by Now Assist. * Generate an alert group description in Express List using Now Assist. * Launch an alert analysis from the Now Assist panel. See [Event Management](https://www.servicenow.com/docs/access?context=c_EM&family=xanadu&ft:locale=en-US) for more information. | | Yokohama | * Review network traffic-based alert grouping, which uses discovered TCP connections together with ML Service Mapping to correlate alerts on host CIs that have network traffic connections between them. This approach reduces noise, enhances visibility, and accelerates response times by focusing on critical connections and dependencies. * Starting in version 26.3.4, benefit from the new alert grouping based on network traffic correlations: * Investigate network traffic-based alert groups by using Express List®. * Review alert group analysis by Now Assist * View connections between network traffic-based alerts in Link View. * Enable team-level operators to create and manage their own integrations, set up their own alert automations, and enhancing control over alert management for their teams by assigning the new team_operator role. * Review relevant information in the Now Assist panel based on records selected in the Express List®. * Starting in version 2.15.1, you can configure metric connector instances for the [Nagios](https://www.servicenow.com/docs/access?context=configure-nagios-metrics-connector&family=yokohama&ft:locale=en-US), [SolarWinds](https://www.servicenow.com/docs/access?context=configure-solarwinds-connector&family=yokohama&ft:locale=en-US), and [Zabbix](https://www.servicenow.com/docs/access?context=configure-zabbix-metrics-connector&family=yokohama&ft:locale=en-US) monitoring tools to receive metrics directly from these monitoring tools. This enhancement provides the following benefits: * Seamlessly integrate monitoring data from multiple sources into Metric Intelligence. * Improve anomaly detection and alerting with real-time metric ingestion. See [Event Management](https://www.servicenow.com/docs/access?context=c_EM&family=yokohama&ft:locale=en-US) for more information. | [ ]