A problem with previews of pictures larger than 3 Mb

Good day everyone.

I have this issue from the beginning of my Manjaro journey back in late 2017, it is minor but bothers me anyway. I've noticed recently that Kubuntu has no this problem that's why I want to get it sorted out finally because now it looks distro-related. Screenshot tells everything:

For those who don't get it: previews in Dolphin are fine, but KFileDialog doesn't show previews for files larger than 3 Mb. What can I do to fix this?

Maybe this post will help:

I'm not a KDE user, so I can't confirm if this works.


Yeah the first workaround did the trick. After a session restart.

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Did you put it to 999mb?

I also have this issue and it occasionally bothers me. I thought I had it in my Arch KDE install also all I didn't think much of it. I'll give this a go later.

I've put MaximumSize=20000000 (around 20 Mb) there. Really large files (I have some space photos from 30 Mb to even over 500 Mb) now have thumbnails in Dolphin, but not in KFileDialog.

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