Release notes update

Author: limwainstein

articles/defender-for-iot/organizations/release-notes.md

@@ -111,6 +111,7 @@ To understand whether a feature is supported in your sensor version, check the r
 
 This version includes the following updates and enhancements:
 
+- [Alert suppression rules from the Azure portal](how-to-accelerate-alert-incident-response.md#suppress-irrelevant-alerts)
 - [Focused alerts in OT/IT environments](alerts.md#focused-alerts-in-otit-environments) 
 - [Alert ID (Id field) is now aligned on the Azure portal and sensor console](how-to-manage-cloud-alerts.md#view-alerts-on-the-azure-portal)
 - [New setting to focus local networks in the device inventory](configure-sensor-settings-portal.md#configure-subnets-in-the-azure-portal)