- The Medium CERIF entity is brought into the profile to represent locations of files. It is never used as a top-level entity, so it does not have its own OAI-PMH set. (#59)
- The COAR Resource Types controlled vocabulary is upgraded to Version 3.1. (#99 and #143)
- The COAR Access Types controlled vocabulary is upgraded to Version 1.0. (#86)
- Support for generic Person Identifier:s is added. (#91)
- Some constraints in structured Person Identifiers:s were expanded. (#146 and #154)
- Support for structured OrgUnit Identifiers:s is added. (#64)
- The meaning of date fields in Patent:s is clarified. (#88)
- ZDB-ID is added among structured identifiers for Publication:s (#66)
- GrantDOI is added as a structured identifier for Funding.
- Unmanaged entities are allowed without an Internal Identifier attribute. (#56)
- The
xml:langattributes are no longer required. (#61) - DataCite Metadata Kernel Dates are supported in the Product (#84) and Medium (#150) entities with a common DatesStructure__Group.
- The use of SPDX License URIs is recommended. (#134)
- The rules for constructing the OAI identifiers have been relaxed (#126, #85)
- Examples were added, documentation has been improved. (#65, #83, #88, #97)
- Other minor extensions and cleanup.
The document and the other artefacts have been assigned DOI 10.5281/zenodo.8050936