https://bugs.kde.org/show_bug.cgi?id=459778
--- Comment #58 from ryu.ketsu...@outlook.com --- I did a fresh clean install of my OS to make sure there aren't any conflicts regarding packages and then compiled Klassy. Here are my results: I'm on an Intel machine, so no AMD anywhere. Plasma Wayland, with Klassy on Widget Style and Window Decoration. Titlebar opacity is on 85% and the option for toolbars to have the same opacity. This works for apps like Dolphin, Kate, Gwenview and others which use this type of widgets. For others, like System Monitor, Discover and other apps that make use of Kirigami, they don't make use of Widget Styles like these, so the toolbar is not transparent, so in those cases, I add a special Window-Specific Override to make the titlebar for those apps, completely opaque. At first, it works as intended. But when I close the app and open again, it causes KWin to freeze with the EGL_BAD_SURFACE thing. There's no way around it other than remove the override entirely. I don't have any special graphics card on this laptop, only the integrated UHD 620 from Intel. I didn't install any special drivers either. It's only what came with the kernel and the modules installed by openSUSE Tumbleweed by default. -- You are receiving this mail because: You are watching all bug changes.