What's New in This Guide

This section introduces the documentation updates for release 25.2.2xx.

Release 25.2.201 - G45969-01, April 2026

• Added amfResubscriptionCondition parameter to UE Policy, which is used to configure Policy Support for Dynamic AMF Subscription and N1N2 Message Routing on GUAMI Update.
• Updated the default value for enableLateArrival and enableLateProcessing parameters to true in the Diameter Connector section.
• Added the following parameters to PDS Settings, which are used to configure audit registration and notification for Policy Data Subscription Expiry:
  • audit.policyDataSubscriptionExpiry.policyDataSubsEnabled
  • audit.policyDataSubscriptionExpiry.policyDataSubsPreExpiryPeriod
  • audit.policyDataSubscriptionExpiry.policyDataSubsExpiryAuditNotificationRate
  • audit.policyDataSubscriptionExpiry.policyDataSubsExpiryMaxAge
  • audit.policyDataSubscriptionExpiry.policyDataSubsExpiryMinAuditPassInterval
• Added the following APIs:
  • DNN describes how to create DNN profiles.
  • Service URN describes how to create Service URN.
  • SNSSAI describes how to create S-NSSAI profiles.
  • Message Profile describes how to create Message profiles.
  • Overload Configurations describes how to perform advanced overload control configurations.
  • Yaml Schema API describes how to create, import, and export Yaml schema.
  • HTTP Server API describes how to add and manage HTTP server.
• Updated Session Management Service with the following parameters for Overload configurations:
  • overloadConfiguration.enhancedOverloadControlLevel
  • overloadConfiguration.overloadConfigurationProfile
• Edited description of overrideSupportedFeatures parameter under System section in Access and Mobility Service to include support for DNNReplacementControl and SliceSupport.
• Edited description of defaultTriggers parameter under Rules section in Access and Mobility Service to include support for ALLOWED_NSSAI_CH and SMF_SELECT_CH.
• Updated description of the parameters in Mated Region and Site Fallback.