--- /dev/null
+---
+features:
+ - |
+ The KeystoneNotificationTopics parameter was introduced. This takes a list
+ which will configure extra notification topics, which end up as queues in
+ the message broker. This is useful for when keystone notifications need to
+ be integrated with third party software. Note that enabling telemetry will
+ by default make keystone emit notifications to the 'notifications' topic, but
+ this parameter can enable extra topics still.