From IpTC Photo Metadata Standard 2022.1. Most of these (but not Iptc4xmpCore:CreatorContactInfo) should be supported if you use the full tag name in xmp() or the resulting objects set_item() method since they use base XMP data types instead of a special structure. Only the checkmarked ones have a special active binding.
[x] Iptc4xmpCore:AltTextAccessibility (Lang Alt) for image alt text
From IpTC Photo Metadata Standard 2022.1. Most of these (but not
Iptc4xmpCore:CreatorContactInfo
) should be supported if you use the full tag name inxmp()
or the resulting objectsset_item()
method since they use base XMP data types instead of a special structure. Only the checkmarked ones have a special active binding.May need to implement