This means that new versions of Canonical OpenStack are released twice a year: usually in April and October. OpenStack clouds deployed with Sunbeam benefit from security maintenance and full support under Ubuntu Pro + Support, Ubuntu Pro (Infra-only) + Su
These branches represent a centralized effort to maintain bugfixes and security vulnerability patches for released OpenStack project versions in a ready-to-deploy form.
OpenStack is developed and released around 6-month cycles. After the initial release, additional stable point releases will be released in each release series. You can find the detail of the various release series here on their series page. Subscribe to t