add b2b notes in RNs

Author: Carlo Javier

help/release-notes/2025/october-2025.md

@@ -21,6 +21,7 @@ New features and updates to existing features in Adobe Experience Platform:
 - [Agent Orchestrator](#agent-orchestrator)
 - [Alerts](#alerts)
 - [Destinations](#destinations)
+- [Real-Time CDP B2B Edition](#b2b)
 - [Sources](#sources)
 
 ## Agent Orchestrator {#agent-orchestrator}
@@ -77,6 +78,18 @@ For more information about alerts, read the [[!DNL Observability Insights] overv
 
 For more information, read the [Destinations overview](../../destinations/home.md).
 
+## Real-Time CDP B2B Edition {#b2b}
+
+Real-Time CDP B2B Edition provides comprehensive B2B customer data management capabilities, enabling organizations to build unified customer profiles, create sophisticated B2B audiences, and activate data across various marketing channels.
+
+**New or updated functionality**
+
+| Feature | Description |
+| --- | --- |
+| Deprecation of B2B support for non-standard relationships between B2B entities | Starting January 2026, Real-Time CDP B2B Edition will no longer support **non-standard** relationships between B2B entities. Therefore, you are encouraged to update your B2B entities to use the standard relationships outlined in the [B2B namespaces and schemas guide](../../sources/connectors/adobe-applications/marketo/marketo-namespaces.md).  |
+
+{style="table-layout:auto"}
+
 ## Sources {#sources}
 
 Experience Platform provides a RESTful API and an interactive UI that lets you set up source connections for various data providers with ease. These source connections allow you to authenticate and connect to external storage systems and CRM services, set times for ingestion runs, and manage data ingestion throughput.

help/release-notes/latest/latest.md

@@ -22,6 +22,7 @@ New features and updates to existing features in Adobe Experience Platform:
 - [Agent Orchestrator](#agent-orchestrator)
 - [Alerts](#alerts)
 - [Destinations](#destinations)
+- [Real-Time CDP B2B Edition](#b2b)
 - [Sources](#sources)
 
 ## Agent Orchestrator {#agent-orchestrator}
@@ -78,6 +79,18 @@ For more information about alerts, read the [[!DNL Observability Insights] overv
 
 For more information, read the [Destinations overview](../../destinations/home.md).
 
+## Real-Time CDP B2B Edition {#b2b}
+
+Real-Time CDP B2B Edition provides comprehensive B2B customer data management capabilities, enabling organizations to build unified customer profiles, create sophisticated B2B audiences, and activate data across various marketing channels.
+
+**New or updated functionality**
+
+| Feature | Description |
+| --- | --- |
+| Deprecation of B2B support for non-standard relationships between B2B entities | Starting January 2026, Real-Time CDP B2B Edition will no longer support **non-standard** relationships between B2B entities. Therefore, you are encouraged to update your B2B entities to use the standard relationships outlined in the [B2B namespaces and schemas guide](../../sources/connectors/adobe-applications/marketo/marketo-namespaces.md).  |
+
+{style="table-layout:auto"}
+
 ## Sources {#sources}
 
 Experience Platform provides a RESTful API and an interactive UI that lets you set up source connections for various data providers with ease. These source connections allow you to authenticate and connect to external storage systems and CRM services, set times for ingestion runs, and manage data ingestion throughput.