diff --git a/doc/releasenotes.md b/doc/releasenotes.md
index 55d1f467a4a02b9e10ab35e5e2a6d12ce331e43d..c7873397028354e4398883502e54ee48f9a01bda 100644
--- a/doc/releasenotes.md
+++ b/doc/releasenotes.md
@@ -5,6 +5,8 @@
 #### **Security Issues**
 
 - **setuptools** python library updated to version 80.9.0 due to a security issue detected.
+- **protobuf-python** library hasta potential rick with DEnial of Service issue.
+- **OpenSSL in Cryptography wheels** vulnerability solved.
 
 #### **Fixed Security Service**
 
@@ -26,12 +28,16 @@ Helm scripts under helm/scripts directory are improved with next features:
     - **GRAFANA_HOSTNAME**: Setup Grafana hostname.
     - **MONITORING_GRAFANA_ENABLED**: Setup if grafana is enabled or not at monitoring deployment.
     - **MONITORING_PROMETHEUS_ENABLED**: Setup if prometheus is enabled or not at monitoring deployment.
+- **install_vault.sh**: Upgraded in order to support latest k8s versions.
 
 Tools scripts improved with next features:
 
 - **push_base_images_ocf.sh**: includes now the busybox image used by mongo chart.
 - **generate_all_capif_apis.sh**: improved with help and many variables refactored. Also comments added in order to help developer to use this script. Now parameters are allowed to easy setup in any environment.
 
+#### Supported Features Mandatory on POST and PUT requests.
+Added check to make mandatory the presence of supportedFeatures at all POST and PUT requests.
+
 ### **Documentation**
 
 - New section [How to Deploy Using Helm] created. This section includes a guide of how to use helm scripts to deploy all components (including OpenCAPIF) on a k8s environment.