diff --git a/NEWS.rst b/NEWS.rst
index 5e803b8b2d..2d30d5a5e8 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -19,6 +19,13 @@ v6.7.0 (unreleased)
     inside ``<hostdev>`` with the same format to configure the ``IQN`` value
     used by the qemu initiator when connecting to an iSCSI target.
 
+  * xen: Add support for device model command-line passthrough
+
+    Xen supports passing arbitrary arguments to the QEMU device model using
+    the ``device_model_args`` setting in xl.cfg(5). The libvirt xen driver now
+    supports this using ``<xen:commandline/>`` XML extensions.
+
+
 * **Improvements**
 
   * Allow sparse streams for block devices
@@ -69,6 +76,7 @@ v6.6.0 (2020-08-02)
     management applications may wish to override this behaviour. This is now
     possible via new ``cow`` element.
 
+
 * **Improvements**
 
   * esx: Change the NIC limit for recent virtualHW versions