# Managed OpenStack Release Notes ## Release Summary The Platform9 Managed OpenStack (PMO) version 5.8 release is now generally available. This release brings enhancements such as Rocky 9.1 Operating System support, Software TPM disk persistence and more. Enhancements & Updates `Added` Rocky 9.1 Operating System support for PMO KVM. `Added` Software TPM disk persistence after instance hard reboot. `Added` Ability to run RabbitMQ broker external to the Platform9 control plane for scaling benefits. `Added` API to query versions for all OpenStack Components using ** endpoint. `Enhanced` Reduced Keystone token catalog size by limiting to region scope for all service endpoints. `Enhanced` Upgraded memcached on the control plane to latest version for optimal slab rebalancing support. ## Bug Fixes `Fixed` an issue with instance hard reboot when SElinux is in permissive mode on the underlying hypervisor. `Fixed` an issue with Designate service where pool update was failing earlier if it had duplicate masters among all targets. `Fixed` an issue with Nova and Cinder services when using Ceph storage backend. `Fixed` an issue with Nova when scheduling an instance that previously belonged to a server group that has been deleted. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.platform9.com/managed-openstack/5.8/support/release-notes-openstack.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.