diff --git a/closed/5.4.0/release_notes.269.md b/closed/5.4.0/release_notes.269.md
index a86816c..df2b702 100644
--- a/closed/5.4.0/release_notes.269.md
+++ b/closed/5.4.0/release_notes.269.md
@@ -1,5 +1,13 @@
 # Release Notes for gCube 5.4.0
 
+## What's New in gCube 5.3.0
+
+* Improved performance on many applications and services using workspace and storage, among which: Messages, Anagraphic & Social service, PerformFish form uploads;
+* Released a new major version of the smart-executor framework and all its plugins, resulting in better performance, maintenance, and security;
+* Enhancements on the Identity and Access Management related components for better performance;
+* Various fixes on Workspace-THREDDS servers syncronization and auditing & accounting framework.
+
+
 ---
 ###  maven-parent 1.1.0
 Tagged commit: _[8a77d953ab3460ec871ff06da53e6af06c748df0](https://code-repo.d4science.org/gCubeSystem/maven-parent/commit/8a77d953ab3460ec871ff06da53e6af06c748df0)_