Pamac is not very well integrated with Breath on Manjaro KDE (visually speaking)
Discussed in detail in a forum thread here: https://forum.manjaro.org/t/visual-issues-with-pamac-gtk-on-manjaro-kde-with-default-theme/109022
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Discussed in detail in a forum thread here: https://forum.manjaro.org/t/visual-issues-with-pamac-gtk-on-manjaro-kde-with-default-theme/109022