Merge pull request #100909 from bergerhoffer/OSDOCS-16169

OSDOCS#16169: Release notes for KDO 5.3.0

Author: bergerhoffer

nodes/scheduling/descheduler/nodes-descheduler-release-notes.adoc

@@ -12,6 +12,36 @@ These release notes track the development of the {descheduler-operator}.
 
 For more information, see xref:../../../nodes/scheduling/descheduler/index.adoc#nodes-descheduler-about_nodes-descheduler-about[About the descheduler].
 
+[id="descheduler-operator-release-notes-5.3.0"]
+== Release notes for {descheduler-operator} 5.3.0
+
+Issued: 29 October 2025
+
+The following advisory is available for the {descheduler-operator} 5.3.0:
+
+* link:https://access.redhat.com/errata/RHBA-2025:19249[RHBA-2025:19249]
+
+[id="descheduler-operator-5.3.0-new-features"]
+=== New features and enhancements
+
+* The descheduler profile `DevKubeVirtRelieveAndMigrate` has been renamed to `KubeVirtRelieveAndMigrate` and is now generally available. The updated profile improves VM eviction stability during live migrations by enabling background evictions and reducing oscillatory behavior. This profile is only available for use with {VirtProductName}.
++
+For more information, see xref:../../../virt/managing_vms/advanced_vm_management/virt-enabling-descheduler-evictions.adoc#virt-configuring-descheduler-evictions_virt-enabling-descheduler-evictions[Configuring descheduler evictions for virtual machines].
+
+* This release of the {descheduler-operator} updates the Kubernetes version to 1.33.
+
+// No bug fixes or CVEs to list
+// [id="descheduler-operator-5.3.0-bug-fixes"]
+// === Bug fixes
+//
+// * This release of the {descheduler-operator} addresses several Common Vulnerabilities and Exposures (CVEs).
+
+// No known issues to list
+// [id="descheduler-operator-5.3.0-known-issues"]
+// === Known issues
+//
+// * TODO
+
 [id="descheduler-operator-release-notes-5.2.0"]
 == Release notes for {descheduler-operator} 5.2.0