anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "gnome-software";
  -  version = "43.beta";
  +  version = "43.rc";
   
     src = fetchurl {
       url = "mirror://gnome/sources/gnome-software/${lib.versions.major version}/${pname}-${version}.tar.xz";
  -    sha256 = "ITO0nLxjT+s5cC/WGz+5fziQwYHvyEYmLe2FOh2O654=";
  +    sha256 = "of6JJ7H/c6JXJTbYPCEdPrm/WP0RlSIu7LHGQuaVmzg=";
     };
   
     patches = [
  
positive.code: , gtk-doc
  , desktop-file-utils
  , libsysprof-capture
  }:
  
  let
  
negative.code:     libxmlb
      malcontent
      libsysprof-capture
      # For video screenshots
      gst_all_1.gst-plugins-base
      gst_all_1.gst-plugins-good
    ] ++ lib.optionals withFwupd [
      fwupd
    ];
  