Update whats-new-overview.md

Added missing entries to the What's new topic.

Author: JarbasHorst

concepts/whats-new-overview.md

@@ -25,6 +25,10 @@ Updated the endpoints of the following methods:
 - [List mailboxProtectionUnits](/graph/api/backuprestoreroot-list-mailboxprotectionunits)
 - [List siteProtectionUnits](/graph/api/backuprestoreroot-list-siteprotectionunits)
 
+### Identity and access | Directory management
+
+[Get](/graph/api/domain-get-rootdomain) the root domain of a subdomain.
+
 ### Teamwork and communications | Messaging
 
 Updated the [chatMessage: delta](/graph/api/chatmessage-delta) method to use a new endpoint that gets the list of delta messages from all chats in which a user is a participant, including one-on-one chats, group chats, and meeting chats.
@@ -40,7 +44,12 @@ Updated the endpoints of the following methods:
 
 ### Device and app management | Cloud PC
 
-Enabled the `$select` query parameter for the [cloudPC: getProvisionedCloudPCs](/graph/api/cloudpc-getprovisionedcloudpcs?view=graph-rest-beta&preserve-view=true) method.
+- Enabled the `$select` query parameter for the [cloudPC: getProvisionedCloudPCs](/graph/api/cloudpc-getprovisionedcloudpcs?view=graph-rest-beta&preserve-view=true) method.
+- Use the **notificationSetting** property on [cloudPcUserSetting](/graph/api/resources/cloudpcnotificationsetting?view=graph-rest-beta&preserve-view=true) to define the Cloud PC notification prompts for a Cloud PC user.
+
+### Reports | Identity and access reports
+
+The Microsoft Entra Health monitoring alerts APIs enable you to detect anomalous usage patterns in business-critical identity scenarios for your tenant and receive alert notifications. Use the operations of the [alert](/graph/api/resources/healthmonitoring-alert?view=graph-rest-beta&preserve-view=true) and [alertConfiguration](/graph/api/resources/healthmonitoring-alertconfiguration?view=graph-rest-beta&preserve-view=true) resources to retrieve and update alerts and alert configurations. For details, see the [related changelog section](https://developer.microsoft.com/en-us/graph/changelog/?search=277da918-3e81-499f-8803-2986a2c73123)
 
 ### Teamwork and communications | Calls and online meetings