Created attachment 118613 [details] screenshot STEPS TO REPRODUCE 1. open system settings > display and monitor > scale display, set display scaling factor to 1.2 and restart plasma 2. install kdenlive or kolourpaint via flatpak/flathub https://flathub.org/apps/details/org.kde.kdenlive https://flathub.org/apps/details/org.kde.kolourpaint 3. open kdenlive or kolourpaint and press ctrl+o (file open dialog shows up) OBSERVED RESULT some icons are pixelated, see the screenshot please EXPECTED RESULT crisp icons SOFTWARE/OS VERSIONS Operating System: Arch Linux KDE Plasma Version: 5.15.2 KDE Frameworks Version: 5.55.0 Qt Version: 5.12.1 Additional info File save dialog is also affected. This bug does not affect dialogs started by apps installed from Arch repos.
Git commit 90f655a146d1fd19a4ac6c14cf3452f9f7034b0b by Kai Uwe Broulik. Committed on 08/03/2019 at 08:37. Pushed by broulik into branch 'Plasma/5.15'. Use high dpi pixmaps FIXED-IN: 5.15.3 Differential Revision: https://phabricator.kde.org/D19580 M +1 -0 src/xdg-desktop-portal-kde.cpp https://commits.kde.org/xdg-desktop-portal-kde/90f655a146d1fd19a4ac6c14cf3452f9f7034b0b