diff --git a/windows/security/threat-protection/microsoft-defender-atp/mac-whatsnew.md b/windows/security/threat-protection/microsoft-defender-atp/mac-whatsnew.md
index a76ef78405..b236965be2 100644
--- a/windows/security/threat-protection/microsoft-defender-atp/mac-whatsnew.md
+++ b/windows/security/threat-protection/microsoft-defender-atp/mac-whatsnew.md
@@ -38,6 +38,10 @@ ms.topic: conceptual
 > 2. Refer to this documentation for detailed configuration information and instructions: [New configuration profiles for macOS Catalina and newer versions of macOS](mac-sysext-policies.md).
 > 3. Monitor this page for an announcement of the actual release of MDATP for Mac agent update.
 
+## 101.06.63
+
+- Addressed a performance regression introduced in version `101.05.17`. The regression was introduced with the fix to eliminate the kernel panics some customers have observed when accessing SMB shares. We have reverted this code change and are investigating alternative ways to eliminate the kernel panics.
+
 ## 101.05.17
 
 > [!IMPORTANT]