diff --git a/doc/releases/release-notes-3.6.rst b/doc/releases/release-notes-3.6.rst
index 265f994c6006..c86fb41d09a9 100644
--- a/doc/releases/release-notes-3.6.rst
+++ b/doc/releases/release-notes-3.6.rst
@@ -202,6 +202,10 @@ Drivers and Sensors
 
 * Retained memory
 
+  * Retained memory driver backend for registers has been added.
+
+  * Retained memory API status changed from experimental to unstable.
+
 * RTC
 
 * SDHC