Ask OpenStack has these updates, please have a look:

• Is it possible to read attributes of existing neutron port in Heat template (new question, 2 ans, 2 ans rev)
• Why openstack need both api and rabbitmq? (1 rev)
• No route to host installing os_keystone offline (new question)
• Why can't see the changed size in the instance after changing flavor on OpenStack? (1 rev)
• spice console blank (new question)
• Multiple Cinder Nodes (new question)
• Is it possible to skip releases when upgrading with Kolla? (new question, 2 ans, 2 ans rev)