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Hello there Linux super users,
I have a slight problem with my KDE Plasma 5.4 setup running on Kubuntu 15.10. Whenever I select a dark theme (in this case: KArc, the problem is the same for Breeze-Dark, however), that includes selecting the qt-theme, icons and colors, everything looks fine at first. However, some applications have this weird issue, and its really bugging me:

here for example, when editing a widgets' preferences.

What is the problem here? Please note, that in most QT-based applications, the select-boxes have the right coloring. So how can I fix this "error"?

UPDATE:

Browsing around in the net, it seems i'm not the only one with this problem. It supposedly exists since KDE Plasma 5.2, and hasn't been fixed since. It's apparently a problem with certain applications ignoring global theme settings. Is there any workaround for that?

tubberd
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1 Answers1

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This bug was fixed in Plasma 5.6.1:

https://bugs.kde.org/show_bug.cgi?id=343369

I would highly recommend you to upgrade to a newer version (preferably 16.04) as 15.10 has reached its end of life:

https://wiki.ubuntu.com/Releases

NOTE: kubuntu always use older versions of Plasma and installing the backports ppa brings it more up to date. However, if you want to have the most up to date version of Plasma, I would recommend you to consider KDE Neon as an alternative to kubuntu:

https://neon.kde.org/

jsalatas
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  • The kde neon repos are a terrible mess because they update qt but do not rebuild non-kde qt apps, resulting in a lot of breakage. And there are further issues with the way it's maintained. Not recommendable at all. – mara004 Jan 29 '23 at 22:36