The latest change to the Digital Hub updates some metadata fields to match the current standards and pass multiple versions of the EPUBCheck validator. The Hub has been updated to use the latest version of EPUBCheck (version 5.2.1).
Additional Conformance Metadata
In addition to the ability to add a Conformance Description and a Certifying Organization to ebooks, projects that have both fields filled out can now include the following metadata:
- Certifier Credential: A credential or badge that