Introduction The Window Switcher (Alt+Tab) can be custom styled using layouts written in QML since KDE Plasma Workspaces (now Plasma) in version 4.8. The window manager supports multiple Window Switchers and exchanges the loaded layout at runtime. Additionally the underlying Model is recreated each time the switcher is invoked and some properties might change due to screen changes and different settings for the multiple switchers. To support this the QML loader can set properties in the custo...