Weird rounded corners under KDE6/Wayland with AUI_PA=gtk4

[Alex2772]

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What happened?

I'm not sure gtk4 is supposed to be used without libadwaita though. Folks from gtk/gnome don't like server side decorations, despite support of server side decorations wayland protocol is implemented in gtk.

Possible fix is to adjust border-radius of the window.

Relevant log output or stack trace

Steps to reproduce

(under KDE6+Wayland)

AUI_PA=gtk4 ./aui.example.views

Affected Platforms

Linux

Link to build, i.e. failing GitHub Action job (if any).

No response