Merge pull request #62532 from aldiazRH/OSDOCS-6932

[OSDOCS-6932] q3 what's new update

Author: bmcelvee

rosa_release_notes/rosa-release-notes.adoc

@@ -15,6 +15,11 @@ include::modules/rosa-update-cli-tool.adoc[]
 [id="rosa-new-changes-and-updates_{context}"]
 == New changes and updates
 
+[id="rosa-q3-2023_{context}"]
+=== Q3 2023
+
+* **ROSA regional availability update:** {product-title} (ROSA) is now available in the Hyderabad (`ap-south-2`) region. For more information on region availability, see xref:../rosa_architecture/rosa_policy_service_definition/rosa-service-definition.html#rosa-sdpolicy-regions-az_rosa-service-definition[Regions and availability zones].
+
 [id="rosa-q2-2023_{context}"]
 === Q2 2023