Comala Document Management 6.17.11 is a Server only release.
Comala Document Management v6.17.11 for Server is now compatible with Confluence v8.5.3
Comala Document Management v6.17.11+ releases are compatibility, maintenance and critical bugfix releases only as we approach the end of life for Atlassian Confluence Server on .
Comala Document Management 7.0+ releases are data center only and include new features and improvements for enterprises using Confluence Data Center including a new document activity capability that adds flexibility and filtering improvements in recording and tracking workflow events and actions including a new API.