sidecar files

[Barry Kruyssen]

Hi,

My wife is a very keen photo hobbist.

I'm in the process of moving 90,000 photos from Adobe photo elements to 
digiKam 8.4.0  (started process in prior version).

I'm using 2 different platforms for testing and production, Window 11 
and Chromebook.

I've exported all the photos and have an sidecar xmp for each photo with 
Tags representing all the catalogues from Adobe.

The initial install and scan for photos imported everything as expected 
in the prior version.  I have all 3 items checked, as per the screen 
shot, on the sidecars setup tab for metadata.

Issues:

 1. When I add new photos (with xmp file) in version 8.4.0 the sidecar
    is automatically read,  I have to do an Album > Reread Metadata from
    files.
 2. If I update the tags (delete or add a new tag) the information is
    not writen back to the sidecar file.  I have an import python app
    that copies photos from a source to "Pictures" folder and creates a
    sidecar file containing Tags for the import date and time.

I could just use the sidecar file as a once only import tool and rely on 
the db to store all the data but I want to keep the data standalone to 
easily move between platforms (Chromebook is used whilst traveling and 
then transfered to Windows server when back home).

What have I missed?

Thanks and regards
Barry

sidecar.xmp example:
<?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d"?>
<x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="XMP Core 4.4.0-Exiv2">
  <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
   <rdf:Description rdf:about=""
     xmlns:digiKam="http://www.digikam.org/ns/1.0/"
     xmlns:dc="http://purl.org/dc/elements/1.1/"
    >
    <digiKam:CaptionsAuthorNames>
     <rdf:Alt>
      <rdf:li xml:lang="x-default">Gail Xxxxxxxx</rdf:li>
     </rdf:Alt>
    </digiKam:CaptionsAuthorNames>
    <digiKam:TagsList>
     <rdf:Seq>
       <rdf:li>/Imported Catalogue/import 2024-09-14 12:29:57</rdf:li>
     </rdf:Seq>
    </digiKam:TagsList>
    <dc:title>
     <rdf:Alt>
      <rdf:li xml:lang="x-default"></rdf:li>
     </rdf:Alt>
    </dc:title>
    <dc:description>
     <rdf:Alt>
      <rdf:li xml:lang="x-default"></rdf:li>
     </rdf:Alt>
    </dc:description>
   </rdf:Description>
  </rdf:RDF>
</x:xmpmeta>
<?xpacket end="w"?>
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