Makernote Metadata is gone

[Maik Qualmann]

I tested a sample from the web. No problems at the moment. A possible cause is 
a 65535 Exif bytes issue. Please send me a sample via email where the problem 
occurs.

Maik

Am Montag, 2. Februar 2026, 18:22:11 Mitteleuropäische Normalzeit schrieb 
Gilles Caulier:
> Yes, please!
> 
> 
> Le lun. 2 févr. 2026 à 17:18, Andrej Valencic <andrej.valencic at zoho.com> a
> 
> écrit :
> > Hi Gilles,
> > 
> > I'm using ExifTool as the metadata backend.
> > 
> > Should I take the debug trace as well?
> > 
> > Regards,
> > Andrej
> > 
> > 
> > 
> > On 02/02/2026 16:26, Gilles Caulier wrote:
> > 
> > Hi Andrej,
> > 
> > Which metadata backend did you use : Exiv2 or ExifTool?
> > 
> > If you use Exiv2, take a look to the debug trace from a console as
> > explained here :
> > 
> > https://www.digikam.org/contribute/#freezes-and-other-run-time-issues
> > 
> > Reproduce the dysfunction and look if an Exiv2 error appears. If yes,
> > report the problem to Exiv2 project:
> > 
> > https://github.com/Exiv2/exiv2/issues
> > 
> > You can try to use Exiftool backend instead, even if internally in digiKam
> > we still use Exiv2 metadata containers to work. If the problem is relevant
> > to writing in file, ExifTool will probably fix it. If the problem is
> > relevant to the Exiv2 containers (aka Exif in this case : makernotes are
> > hosted in Exif), well the dysfunction must be fixed in Exiv2.
> > 
> > Best regards
> > 
> > Gilles Caulier
> > 
> > Le lun. 2 févr. 2026 à 15:19, Andrej Valencic <andrej.valencic at zoho.com>
> > 
> > a écrit :
> >> I have a new camera - Fujifilm X T30 III - and I found out that after
> >> editing and saving pictures all the Makernote metadata are gone.
> >> Included is an example of a picture before and after editing/saving.
> >> Such things did not occur with my previous camera (Panasonic Lumix
> >> TZ100).
> >> 
> >> Is this a feature or a bug? I really don't want to lose those metadata
> >> information!
> >> 
> >> Best regards,
> >> Andrej