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Dear Jan,
Earlier I took some time to test the group button and its consequences on the XMP phenomenon.
And I can assure you that it makes no difference.
What different is on your system and on my system is the workflow, because after downloading from SD card my Raw’s and Jpg’s are in different folders – this to be able to sort faster on my laptop, and other reasons.
So the problem didn’t arise because there simply weren’t any Raws. But I tested that too.
If any type of raw is present, tested with Pentax DNG, Fuji RAF or Olympus ORF, probably any raw, Darktable creates XMP files.
Why it does that – no idea – I can’t think of any reason why it does, possibly it’s database related.
You can try to report it as a bug on the forum, but will they pay attention to it ???
So, the only solution is to keep the files separate.
My workflow is as follows:
For every day of shooting there is a folder with year-month-day.
It contains all jpg’s from that day – separately there is a folder with Raw’s and a folder with Edit’s.
Maybe it will give you ideas 🙂
Good luck Jan !
Regards
Marc.

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I will test this later, thanks !

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I think there on github they mean that files with same basename are grouped (icon in top right corner) automatically. It has to be related with that because when I remove ORF files and add just JPEGs there are not any XMP created.

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Hey Jan, I’ve read all the comments on github.
Auto-grouped would then appear on every installation and with the same file names, which is not the case.
I’ve been using Darktable for a long time – with and without database,
with Pentax, Fujifilm and Olympus raws – always with the same filenames etc. – in Windows and Ubuntu – never any problem.
Is it distro related – I doubt it.
Auto group is also not a function in Darktable, only via (Lua) script.
I still recommend doing a test in a clean Darktable environment like with the Portable version.

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ok !

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Well maybe I found and answer here https://github.com/darktable-org/darktable/issues/11477. The problem is, that files with the same filename are grouped and then XMP for jpeg is created. It seems when importing solo the JPEGs there is no issue.

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Thanks for all the hints but it’s not working either. I have the same problem on Windows and also Linux. I think I’ll try to ask on github.

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Good morning Jan!
Well that’s very strange.
The problem now is that several factors could be involved, and could be the cause – Windows, Darktable version, old installation…
My idea remains that it is due to that specific Darktable installation.
But without being able to work on it myself it is very difficult.
If you don’t intend to use Darktable’s database, the best option is to uninstall and reinstall Darktable – but make sure all files are gone.
There’s another possibility that I’m just now thinking of,
If you work with Windows, you can also test the portable version of Darktable. It works independently of your existing installation, so can easily be used for testing – it also doesn’t install any files into the Windows system and can work from USB, external drive, cloud…
Check out PortableApps.com
https://portableapps.com/apps/graphics_pictures/darktable-portable
If you solve it , please let me know.
Good luck !
Marc.

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Well I created new darktablerc and it works fine for option “not creating xmp” but when I switch to after edit and remove/add files again xmp for JPG only is created.

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