Locations:
* Project tree view, see ProjectModelItemDelegate
* Toolbar buttons, wrong position if there's no icon
* Help -> Loaded Plugins (pixmaps blocky)
* Settings-> Loaded Plugins (pixmaps blocky)
* Quick Open: Pixmaps in list view items blocky
Also make sure to check/update/remove: https://community.kde.org/KDE/High-dpi_issues#KDevelop