How to turn off Rounded corners?

  1. Set Kirigami.Units.cornerRadius to 0 in Kirigami source code. You need to edit line 47 of src/platform/units.cpp, replacing cornerRadius(5) with cornerRadius(0)
  2. Build Kirigami from source
  3. Build qqc2-desktop-style from source against your modified kirigami
  4. Build Kirigami Addons from source against your modified kirigami