v2.2.0

Added:

• [dnsprovider] Add support for Openstack Designate as a DNS provider
• [dnsprovider] gcloud: Option to specify gcloud service account json by env as string
• [experimental feature] Resolve CNAME when creating dns-01 challenge. To enable: set LEGO_EXPERIMENTAL_CNAME_SUPPORT to true.

Changed:

• [cli] Applies Let’s Encrypt’s recommendation about renew. The option --days of the command renew has a new default value (30)
• [lib] Uses a jittered exponential backoff

Fixed:

• [cli] CLI and key type.
• [dnsprovider] httpreq: Endpoint with path.
• [dnsprovider] fastdns: Do not overwrite existing TXT records
• Log wildcard domain correctly in validation