Windows 11 round corners and non native title bar?

[Cap10]

Found the solution in this forum post:

Custom window border with no gaps?

I think the previous post from LightAndSoundLTD is correct; you’ll need to set the window attribute for the Desktop Window Manager. You don’t need to rewrite any part of JUCE, but you will need to add some Windows-specific code to your app to set the DWMWA_WINDOW_CORNER_PREFERENCE window attribute. Docs here: https://learn.microsoft.com/en-us/windows/win32/api/dwmapi/ne-dwmapi-dwm_window_corner_preference Setting that attribute gave me a window with rounded corners and a drop shadow. [image] …