diff --git a/docs-js/release-notes.mdx b/docs-js/release-notes.mdx
index b0fc1a9878..1c70bb41c1 100644
--- a/docs-js/release-notes.mdx
+++ b/docs-js/release-notes.mdx
@@ -20,6 +20,12 @@ import LicenseBadge from '@site/src/sap/sdk-js/LicenseBadge';
 <!-- vale off -->
 <!-- This line is used for our release notes automation -->
 
+## 4.3.0 [Core Modules] - January 02, 2026
+
+### New Features
+
+- [connectivity] Support certificates in JKS format for `ClientCertificateAuthentication`. (ab96aff)
+
 ## 4.2.0 [Core Modules] - November 27, 2025
 
 ### New Features