* Added support for uploading signed images. For more information, see http://specs.openstack.org/openstack/glance-specs/specs/liberty/image-signing-and-verification-support.html . * Scrubbing of images in parallel is now possible. For more information, see http://specs.openstack.org/openstack/glance-specs/specs/liberty/scrub-images-in-parallel.html . * The health of a Glance node can be monitored using the healthcheck middleware. For more information, see http://specs.openstack.org/openstack/glance-specs/specs/liberty/healtcheck-middleware.html . * The EXPERIMENTAL Artifacts API is now available for use. Please note, it is subject to change in the future until it becomes a standard API. * S3 store now has proxy support. For more information, see http://specs.openstack.org/openstack/glance-specs/specs/liberty/http-proxy-support-for-s3.html . * Swift store now has v3 authentication support. * python-glanceclient now support some advanced aspects of keystone sessions. * python-glanceclient now supports tags for Metadata Definition Catalog.