First, the EZID minter was not working with Drupal 9 as it couldn't find the Psr7\Message class.
Second, in the case where a persistent identifier field has multiple values, we were only serializing the first one in JSONLD. This update serializes all the values of a multi-valued identifier field.
First, the EZID minter was not working with Drupal 9 as it couldn't find the Psr7\Message class.
Second, in the case where a persistent identifier field has multiple values, we were only serializing the first one in JSONLD. This update serializes all the values of a multi-valued identifier field.