The release candidate: https://dist.apache.org/repos/dist/dev/superset/2.1.1rc1/

Git tag for the release: https://github.com/apache/superset/tree/2.1.1rc1

The Change Log for the release: https://github.com/apache/superset/blob/2.1.1rc1/CHANGELOG.md

The Updating instructions for the release: https://github.com/apache/superset/blob/2.1.1rc1/UPDATING.md

Public keys are available at: https://www.apache.org/dist/superset/KEYS