whats new

Author: tarTech23

articles/defender-for-iot/organizations/whats-new.md

@@ -16,6 +16,16 @@ Features released earlier than nine months ago are described in the [What's new
 > Noted features listed below are in PREVIEW. The [Azure Preview Supplemental Terms](https://azure.microsoft.com/support/legal/preview-supplemental-terms/) include other legal terms that apply to Azure features that are in beta, preview, or otherwise not yet released into general availability.
 >
 
+## March 2024
+
+|Service area  |Updates  |
+|---------|---------|
+| **OT License** | [90 day OT trial license]()|
+
+### 90 day OT trial license
+
+The trial version of Defender for IoT license increased to 90 days. For more information on trial versions, see [Start a Microsoft Defender for IoT trial](getting-started.md).
+
 ## February 2024
 
 |Service area  |Updates  |