diff --git a/doc/releasenotes.md b/doc/releasenotes.md
index af67ffcd43d99c6ddd6102924bd077ebdcc4b30f..4fd64b5acbdddbb6502562aa4bc1f0b7963fa8be 100644
--- a/doc/releasenotes.md
+++ b/doc/releasenotes.md
@@ -1,5 +1,15 @@
 ## **Release X.X.X**
 
+### **New Features**
+
+#### **CAPIF Open Discover Service**
+
+Added implementation of **CAPIF_Open_Discover_Service_API** to support open discovery of published APIs.
+
+- New endpoint: `GET /open-api-disc/v1/service-apis`.
+- Security aligned with token-based flow (JWT token obtained from Register).
+- Filtering behavior aligned with Discover service logic, including standardized query parameters.
+
 ### **Technical Debt Solved**
 
 #### **Upgrade packages**