if I write the IPTC-fields with xnview they are not mapped in a useful way to corresponding fields when using e.g. photoshop and vice versa.
I don`t know much about standards but I had assumed that for example "Title" in xnview means the same as in Photoshop.
As the content of most of the fields appears again but in unexpected fields when using in each case the other program I suppose, that there is no problem with saving but with translation or mapping of field names so they are associated in a wrong way and so they appear in unexpected records/fields.
An example:
In Photoshop the field "File->file information -> general -> title" seems to be the Title-field. I expect this basic field in the first record (in photoshop it is called "general") at the beginning.
But in xnview the content of this field will appear in "Edit IPTC Data -> Origin -> object name", that is record "origin" hidden at the end of IPTC-Menue.
I never would have a look for the title of an image in this hidden record "origin". I had supposed it e.g. in the record "general" at the beginning.
That means, I would map the field "caption -> headline" in xnview with photoshops field "general -> title" and not "origin -> object name".
On the other hand, the field "caption -> headline" of xnview appears in Photoshop in record "source -> headline", there it is as hidden und unexpected as the example before if this field is supposed to be the real headline or title of an image.
So I think one of these assignments is wrong.
This problem is similar with some other fields of the IPTC-data.
If you can agree with me and also think that this is a confusing thing which should be changed my suggestion to solve the problem would be to adapt the using of IPTC-fields to the most typical way - perhaps adobe is wrong, I don´t know but photoshop is used by hundred of thousand professionals so I think they made a quasi standard where xnview could approximate better than vice versa...

What do you think about this? Or am I completely wrong and you think everything should stay as it is?
Thanks a lot for reading and perhaps answering this!
have a good day