I deleted everything kde/plasma from ~/.config/ to get a fresh start. Window decorations had only Breeze until I installed plasma-oxygen. That added one that is no better. It used to be that "application style"'s "Fusion" would change the icons to a set I can live with, but that doesn't have any effect now. Is there something else I can install to provide icons with no resemblance to Breeze's?
# rpm -qa | grep decora kdecoration-6.4.4-1.fc41.x86_64 # dnf search decoration Updating and loading repositories: Repositories loaded. Matched fields: name, summary kdecoration.i686 A plugin-based library to create window decorations kdecoration.x86_64 A plugin-based library to create window decorations kdecoration-devel.i686 Developer files for kdecoration kdecoration-devel.x86_64 Developer files for kdecoration kdecoration5.i686 A plugin-based library to create window decorations kdecoration5.x86_64 A plugin-based library to create window decorations kdecoration5-devel.i686 Development files for kdecoration5 kdecoration5-devel.x86_64 Development files for kdecoration5 kdecoration5-lang.x86_64 Translations for kdecoration5 qadwaitadecorations-qt5.i686 Qt decoration plugin implementing Adwaita-like client-side decorations qadwaitadecorations-qt5.x86_64 Qt decoration plugin implementing Adwaita-like client-side decorations qadwaitadecorations-qt6.i686 Qt decoration plugin implementing Adwaita-like client-side decorations qadwaitadecorations-qt6.x86_64 Qt decoration plugin implementing Adwaita-like client-side decorations Matched fields: name arc-kde-decorations.noarch Arc-KDE Aurorae theme materia-kde-decorations.noarch Materia-KDE Aurorae theme Matched fields: summary allgeyer-musisync-fonts.noarch A musical notation font family that provides general musical decorations aurorae.i686 Aurorae is a themeable window decoration for KWin aurorae.x86_64 Aurorae is a themeable window decoration for KWin libdecor.i686 Wayland client side decoration library libdecor.x86_64 Wayland client side decoration library plasma-oxygen.i686 Plasma and Qt widget style and window decorations for Plasma plasma-oxygen.x86_64 Plasma and Qt widget style and window decorations for Plasma texlive-fancypar.noarch Decoration of individual paragraphs texlive-mycv.noarch A list-driven CV class, allowing TikZ decorations texlive-underoverlap.noarch Position decorations over and under expressions
My answer may be simplistic, but whenever I have icon problems, I go to system configuration, colors and themes, icons, I check if my icon theme is installed and selected, otherwise I reinstall it. I have already installed themes that ignore icons.