What's New in This Guide

This section introduces the documentation updates for release 25.2.2xx.

Release 25.2.201 - G45992-01, April 2026

Generic Updates:
  • Updated the release version number to 25.2.201.
  • Updated the Software Requirements section with the third party software details for Policy 25.2.201.
  • Added details of performAddDropIndexAtSiteLevel parameter to , which is used to add index at site level.
  • Added SPONID_ASPID_PAIR_CARDINALITY_LIMIT to Configurable Parameters to Support Sponsored Data Connectivity section in Enabling/Disabling Services Configurations, which is used to set a limit on the cardinality of the metric that can be generated by the aspID and sponId dimensions.
  • Added the following parameters to Enabling/Disabling Services Configurations, which are used to configure the audit thread pool when the expiry handling for Policy data subscription is enabled:
    • policyds.auditThreadPool.coreSize
    • policyds.auditThreadPool.maxSize
    • policyds.auditThreadPool.queueCapacity
  • Added the following helm parameters in the Basic Configurations in Ingress Gateway section which are used to configure the Pod Protection at Ingress Gateway Using Rate Limiting feature:
    • podProtectionByRateLimiting.congestionConfig.refreshInterval
    • podProtectionByRateLimiting.congestionConfig.levels.value
    • podProtectionByRateLimiting.congestionConfig.levels.name
    • podProtectionByRateLimiting.congestionConfig.levels.resources.name
    • podProtectionByRateLimiting.congestionConfig.levels.resources.onset
    • podProtectionByRateLimiting.congestionConfig.levels.resources.abatement
  • Added SPONID_ASPID_PAIR_CARDINALITY_LIMIT to Configuration for metrics that is used to configure limitation on the cardinality of the metric that can be generated by the aspID and sponId dimensions.
  • Added resource requirements for installing Policy with ASM Sidecar to Resource Requirements to Install Policy Services.
  • Added the following logging parameters to Logging Configuration:
    • global.logging.burst.rate
    • global.logging.burst.max
    • global.logging.burst.onMismatch
    • global.logging.burst.logLevel
  • Added ingress-gateway.ports.containerPortName and ingress-gateway.ports.containersslPortName parameters to Service and Container Port Configuration.
Installation Updates:
  • Updated the Pushing the Images to Customer Docker Registry section to describe the compatible docker image versions for various Policy microservices.
  • Updated the Configuration Parameters for Dual Stack and Single Stack IPv4 or IPv6 section with the following details:
    • replaced the diameter-gateway.dualStackPreferredDnsResolutionIpAddressType parameter with the global.dgwRoutingMode parameter.
    • updated the default value from "both" to IPv4_IPv6 for the global.dgwRoutingMode parameter.
    • updated the possible values from 'IPv4', 'IPv6', 'both' to IPv6, IPv4, IPv6_IPv4, IPv4_IPv6 for the global.dgwRoutingMode parameter.
  • Added the following three helm parameters in theConfiguration for TLS Communication between Pod and Kubernetes API Server section as part of the Spring Boot replacement with Micronaut:
    • global.kubeApiServerTlsEnabled
    • global.kubeApiServerTlsVersion
    • global.kubeApiServerTlsCipherSuites
  • Removed the global.isIpvSixSetup, ingress-gateway.isIpv6Enabled, egress-gateway.isIpv6Enabled, and alternate-route.isIpv6Enabled Helm parameters.
  • Added configuration of Istio Sidecar CPU and memory resources in the Aspen Service Mesh Configurations section.
Upgrade and Rollback Updates:
  • Updated the Supported Upgrade Paths in Supported Upgrade Paths.
  • Updated the Supported RollBack Paths in Rolling Back Policy.
  • Updated Preupgrade Tasks with details on adding index at site level.
  • Added a Note in the Upgrade Tasks section to instruct to run the Helm upgrade twice and Updated the upgrade procedure to include an additional Helm upgrade step.