Error compile kwin-plugins

[cararetoalonso]

[ 86%] Building CXX object plugins/roundedwindow/CMakeFiles/roundedwindow.dir/roundedwindow.cpp.o
/home/cararetoalonso/Downloads/devs/cutefishdesktop/kwin-plugins/plugins/roundedwindow/roundedwindow.cpp: In function ‘KWin::GLShader* getShader()’:
/home/cararetoalonso/Downloads/devs/cutefishdesktop/kwin-plugins/plugins/roundedwindow/roundedwindow.cpp:120:37: error: ‘ClampTexture’ is not a member of ‘KWin::ShaderTrait’; did you mean ‘MapTexture’?
120 | if (traits & KWin::ShaderTrait::ClampTexture) {
| ^~~~~~~~~~~~
| MapTexture
/home/cararetoalonso/Downloads/devs/cutefishdesktop/kwin-plugins/plugins/roundedwindow/roundedwindow.cpp: In member function ‘bool RoundedWindow::hasShadow(KWin::WindowQuadList&)’:
/home/cararetoalonso/Downloads/devs/cutefishdesktop/kwin-plugins/plugins/roundedwindow/roundedwindow.cpp:242:23: error: ‘const class KWin::WindowQuad’ has no member named ‘type’
242 | if (qds.at(i).type() == KWin::WindowQuadShadow)
| ^~~~
/home/cararetoalonso/Downloads/devs/cutefishdesktop/kwin-plugins/plugins/roundedwindow/roundedwindow.cpp:242:39: error: ‘WindowQuadShadow’ is not a member of ‘KWin’; did you mean ‘WindowQuadList’?
242 | if (qds.at(i).type() == KWin::WindowQuadShadow)
| ^~~~~~~~~~~~~~~~
| WindowQuadList
/home/cararetoalonso/Downloads/devs/cutefishdesktop/kwin-plugins/plugins/roundedwindow/roundedwindow.cpp: In member function ‘virtual void RoundedWindow::drawWindow(KWin::EffectWindow*, int, const QRegion&, KWin::WindowPaintData&)’:
/home/cararetoalonso/Downloads/devs/cutefishdesktop/kwin-plugins/plugins/roundedwindow/roundedwindow.cpp:284:32: error: ‘class KWin::WindowPaintData’ has no member named ‘quads’
284 | || !hasShadow(data.quads)) {
| ^~~~~
make[2]: *** [plugins/roundedwindow/CMakeFiles/roundedwindow.dir/build.make:116: plugins/roundedwindow/CMakeFiles/roundedwindow.dir/roundedwindow.cpp.o] Erro 1
make[1]: *** [CMakeFiles/Makefile2:292: plugins/roundedwindow/CMakeFiles/roundedwindow.dir/all] Erro 2
make: *** [Makefile:149: all] Erro 2

[dariusity]

The developers of this project did not enclose what are the version of software used when he made this. This is the problem with open-source.

How do I turn on the sound?