During our weekly horizon meeting this Tuesday, I requested that you review the horizon change https://review.openstack.org/#/c/64103/, which added support for volume type extra specs into horizon. This functionality is desired by the cinder team, and it will also be a model for the upcoming development of the UI for cinder qos spec support (https://blueprints.launchpad.net/horizon/+spec/cinder-qos-specs) It was suggested during the meeting to evaluate and possibly incorporate a new key/value widget (https://review.openstack.org/#/c/99761/) into the above change. Since this new widget has not yet landed and still has some other issues to address, I recommend that we not couple these two changes together. Later, when the new widget lands, a separate change can be created to incorporate it into the several places in the UI that deal with metadata / extra specs. So, I would request that you please review the change https://review.openstack.org/#/c/64103/ at your earliest convenience and give your feedback to the developer. Thanks!