https://bugs.kde.org/show_bug.cgi?id=463577

            Bug ID: 463577
           Summary: digiKam alters unrelated metadata when editing tags
    Classification: Applications
           Product: digikam
           Version: 8.0.0
          Platform: Other
                OS: Other
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: Metadata-Exif
          Assignee: digikam-bugs-n...@kde.org
          Reporter: metal...@gmail.com
  Target Milestone: ---

Created attachment 154874
  --> https://bugs.kde.org/attachment.cgi?id=154874&action=edit
test image

SUMMARY
Upon using digiKam to remove a tag from a jpeg, I found that a large number of
other metadata tags were altered. This includesIn particular, vendor-specific
"DJI" exif tags (containing flight data from the DJI drone).

STEPS TO REPRODUCE
1. Grab the attached jpeg, and use exiftool to dump all of its metadata to a
text file
2. Import the jpeg into digiKam
3. Uncheck one of its tags, i.e. "0.0.1"
4. Apply (aka write changes into the jpeg)
5. Use exiftool to again dump all of its metadata to a text file
6. Diff the results. A bunch of metadata unrelated to tags/keywords has changed
- i.e. "DJI 0x000c", "DJI 0x000d", "DJI 0x0013", etc have all had their values
changed.

The issue only seems to allow me to attach one file, so here's a second
screenshot showing the diff: https://jiij.cc/snaps/2022-12-28_20.57.34.png

OBSERVED RESULT

Vendor-specific metadata has been altered

EXPECTED RESULT

Only metadata related to the tags should be altered; other data should not be
modified/lost.

SOFTWARE/OS VERSIONS
Windows: 10

ADDITIONAL INFORMATION
Tested on the latest weekly 8.0.0-beta1 build

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