diff --git a/windows/security/threat-protection/TOC.md b/windows/security/threat-protection/TOC.md
index 9ed84238d0..ce5c0230b1 100644
--- a/windows/security/threat-protection/TOC.md
+++ b/windows/security/threat-protection/TOC.md
@@ -303,6 +303,7 @@
 
 
 ### [Microsoft Defender Advanced Threat Protection for Mac](windows-defender-antivirus/microsoft-defender-atp-mac.md)
+#### [What's New in Microsoft Defender ATP for Mac] (windows-defender-antivirus/microsoft-defender-atp-mac-whatsnew.md)
 #### [Deploy Microsoft Defender Advanced Threat Protection for Mac]()
 ##### [Microsoft Intune-based deployment](windows-defender-antivirus/microsoft-defender-atp-mac-install-with-intune.md)
 ##### [JAMF-based deployment](windows-defender-antivirus/microsoft-defender-atp-mac-install-with-jamf.md)
diff --git a/windows/security/threat-protection/windows-defender-antivirus/microsoft-defender-atp-mac-whatsnew.md b/windows/security/threat-protection/windows-defender-antivirus/microsoft-defender-atp-mac-whatsnew.md
new file mode 100644
index 0000000000..8fb33dfa72
--- /dev/null
+++ b/windows/security/threat-protection/windows-defender-antivirus/microsoft-defender-atp-mac-whatsnew.md
@@ -0,0 +1,26 @@
+---
+title: Microsoft Defender ATP for Mac What's New
+ms.reviewer: 
+description: List of major changes for Microsoft Defender ATP for Mac.
+keywords: microsoft, defender, atp, mac, installation, macos, whatsnew
+search.product: eADQiWindows 10XVcnh
+search.appverid: met150
+ms.prod: w10
+ms.mktglfcycl: security
+ms.sitesec: library
+ms.pagetype: security
+ms.author: dansimp
+author: dansimp
+ms.localizationpriority: medium
+manager: dansimp
+audience: ITPro
+ms.collection: M365-security-compliance 
+ms.topic: conceptual
+---
+
+# What's new in Microsoft Defender Advanced Threat Protection for Mac
+
+## 100.65.28
+
+- Added support for macOS Catalina
+- Performance improvements
diff --git a/windows/security/threat-protection/windows-defender-antivirus/microsoft-defender-atp-mac.md b/windows/security/threat-protection/windows-defender-antivirus/microsoft-defender-atp-mac.md
index 8fe52e371e..7c18dc31d2 100644
--- a/windows/security/threat-protection/windows-defender-antivirus/microsoft-defender-atp-mac.md
+++ b/windows/security/threat-protection/windows-defender-antivirus/microsoft-defender-atp-mac.md
@@ -27,7 +27,7 @@ This topic describes how to install, configure, update, and use Microsoft Defend
 
 ## What’s new in the latest release
 
-Since the announcement of the public preview, Microsoft has been working non-stop to enhance the product, by listening to customer feedback. We've added management features and more granular controls for diagnostic data collection, refined the user experience, and fixed bugs.
+[What's new](microsoft-defender-atp-mac-whatsnew.md)
 
 If you have any feedback that you would like to share, submit it by opening Microsoft Defender ATP for Mac on your device and navigating to **Help** > **Send feedback**.