Merge pull request mendix#11064 from MendixMobile/update-native-template-release-notes-v14.1.15

Update mobile app release notes for v14.1.15

Author: ConnorLand

content/en/docs/releasenotes/mobile/native-template/nt-studio-pro-10-parent/nt-14-rn.md

@@ -5,6 +5,14 @@ weight: 6
 description: "Native Template 14"
 ---
 
+## 14.1.15 {#1425}
+
+**Release date: Apr 22, 2026**
+
+### Improvements
+
+- We updated `@mendix/native` to v9.3.1, strengthening Android cookie encryption by migrating from `AES/CBC/PKCS7Padding` to `AES/GCM/NoPadding`.
+
 ## 14.1.14 {#1424}
 
 **Release date: Feb 25, 2026**