As of 1200 today the latest update for MicroStack can be found in the 2023.1/stable track of the openstack snap.
Full documentation on using MicroStack (based on OpenStack Sunbeam) can be found at microstack.run/docs.
This milestone includes an number of optimisations to reduce the time taken to deploy the control plane services into K8S (reduced number of ROCKS, parallel pod creation in MicroK8S), bug fixes for a number of paper cuts and other issues encounter by early adopters as well as initial preview support for Heat and Vault plugins.
Thanks to all of those who contributed to this release!