I have gtk apps use oxygen as design. Now when I go to the color settings in the KDE control panel and install and select a theme, they are not applied to the gtk applications (e.g. firefox, thunderbird). I'm not sure if it is an issue with the theme or with KDE. Themes that don't work include: https://opendesktop.org/content/show.php?content=146358 https://opendesktop.org/content/show.php?content=127547 https://opendesktop.org/content/show.php?content=113038 Themes that do work include: Breeze Honeycomb Wonton Soup Could it be that only themes shipped directly with KDE do work with gtk apps? BTW: When gtk apps are set to use Orion as design, they do not change the colors at all (not even to Breeze Dark or something). Reproducible: Always Steps to Reproduce: 1. Go to system settings > colors 2. download theme with name 'Kde Liquid Ice' by MrEchoes 3. Apply the newly installed theme 'Roby Liquid Ice 1.05' Actual Results: The system settings window does change color whereas gtk applications such as firefox do not. Expected Results: All applications use the newly set colors
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