SUMMARY *** There is no blur effect with color schemes. For example this color scheme won't work right: https://store.kde.org/p/1972214 *** OBSERVED RESULT No blurred effect. Also, buggy. EXPECTED RESULT Should be blurred and smooth. SOFTWARE/OS VERSIONS Operating System: KDE neon 6.0 KDE Plasma Version: 6.0.0 KDE Frameworks Version: 6.0.0 Qt Version: 6.6.2 Kernel Version: 6.5.0-21-generic (64-bit) Graphics Platform: Wayland Processors: 12 × AMD Ryzen 5 5600G with Radeon Graphics Memory: 31.1 GiB of RAM Graphics Processor: AMD Radeon RX 580 Series
Color schemes don't indicate whether the background is blurred behind the window. It's controlled by the widget style, e.g. breeze or oxygen. Report this issue to the developers of the widget style you use. Although keep in mind that breeze only enables blur behind translucent context menus.