[REGRESSION] Keyboard layout not respected for *some* key combinations

#include "QtWidgets/QApplication"
#include "QtWidgets/QTextEdit"

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    QTextEdit Editor;
    Editor.show();

    return a.exec();
}

19:54  ~  $ setxkbmap -print 
xkb_keymap {
	xkb_keycodes  { include "evdev+aliases(qwerty)"	};
	xkb_types     { include "complete"	};
	xkb_compat    { include "complete"	};
	xkb_symbols   { include "pc+it+inet(evdev)"	};
	xkb_geometry  { include "pc(pc105)"	};
};