add rum deprecation to rn

Author: bhillmer

release-notes/2025-2-rn.rst

@@ -76,4 +76,12 @@ When Splunk removes support for a feature, platform, or browser it means that th
    * - Deprecation of Kubernetes classic Navigator interface
      - As of January 30, 2025, Splunk Observability Cloud users can no longer access the Kubernetes classic Navigator interface. 
 
-       For more information, see :new-page:`https://community.splunk.com/t5/Product-News-Announcements/Deprecation-of-Splunk-Observability-Kubernetes-Classic-Navigator/ba-p/709016` in Splunk Community.
+       For more information, see :new-page:`https://community.splunk.com/t5/Product-News-Announcements/Deprecation-of-Splunk-Observability-Kubernetes-Classic-Navigator/ba-p/709016` in Splunk Community.
+   * - Deprecation of Android, iOS, and React instrumentation APIs  
+     - Certain APIs and data model attributes in the Android, iOS, and React instrumentation libraries have been deprecated or changed in Splunk RUM as of January 30, 2025. There are no breaking changes at this time, but support for deprecated APIs and data model attributes will be removed in a future release. 
+     
+       See the following topics for deprecation details.
+        * :ref:`configure-android-instrumentation`
+        * :ref:`manual-android-instrumentation`
+        * :ref:`manual-android-instrumentation`
+        * :ref:`rum-ios-data`