Update whats-new-overview.md - Add hardware OATH tokens

Author: FaithOmbongi

concepts/whats-new-overview.md

@@ -53,6 +53,13 @@ Use the new restore bulk addition request API for more convenient, efficient, an
 
 While [restoring soft-deleted users](/graph/api/directory-deleteditems-restore?view=graph-rest-beta&preserve-view=true), you can now specify whether Microsoft Entra ID should replace the user's **userPrincipalName** with a new value.
 
+### Identity and access | Identity and sign-in
+
+- Use Microsoft Graph APIs to stay informed about the latest [product updates](/graph/api/resources/changeitembase?view=graph-rest-beta&preserve-view=true), including the [product roadmap](/graph/api/resources/roadmap?view=graph-rest-beta&preserve-view=true) and [change announcements](/graph/api/resources/announcement?view=graph-rest-beta&preserve-view=true), the programmatic alternative to the *What's new* tab on the Microsoft Entra admin center.
+- You can now manage hardware OATH tokens for your organization and users programmatically via the following Microsoft Graph APIs:
+  - [hardwareOathTokenAuthenticationMethodDevice resource type and its associated methods](/graph/api/resources/hardwareoathtokenauthenticationmethoddevice?view=graph-rest-beta&preserve-view=true) to manage the hardware tokens in your tenant, including assigning to users
+  - [hardwareOathAuthenticationMethod resource type and its associated methods](/graph/api/resources/hardwareoathauthenticationmethod?view=graph-rest-beta&preserve-view=true) to manage tokens that are already assigned to users by activating or deactivating them
+
 ### Reports | Microsoft 365 monitoring reports
 
 The Microsoft 365 monitoring APIs provide telemetry data to monitor the health of various Microsoft services within a Microsoft 365 subscription for your organization. Use the new operations in the [serviceActivity](/graph/api/resources/serviceactivity?view=graph-rest-beta&preserve-view=true) resource to get telemetry data for Exchange Online, Microsoft 365 Apps, and Microsoft Teams.