Docker Registry v2.1 The Docker Registry release brings some major new features to the Docker Registry along with numerous bug fixes, documentation enhancements and logging improvements. In total 203 issues were closed in 151 pull requests by more than 50 contributors. What’s new? Support for listing Registry repositories A specification and implementation of the catalog API allows users to list the contents of their Registry Manifest and Layer soft deletion Manifests and layers can now be deleted by their reference. Pull through caching (experimental) The Registry can now act as a pull through cache, proxying content from the Docker Hub. Storage Drivers The following storage drivers were contributed to the distribution project by members of the open source community: Aliyun OSS. Open Storage Service (OSS) is a massive, secure and highly reliable cloud storage service provided by Aliyun. Ceph. Ceph is a free software storage platform designed to present object, block, and file storage from a single distributed computer cluster. Openstack Swift. Swift is a highly available, distributed, eventually consistent object/blob store from Openstack. And many more... - API specification clarifications - Etag support for layers and manifests - htpasswd support with bcrypt - Unix socket support - Client disconnection detection - A slimmer official image - Faster push for multi-tagged images