anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "gupnp-tools";
  -  version = "0.10.3";
  +  version = "0.12.0";
   
     src = fetchurl {
       url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
  -    sha256 = "RX9Nkjk1sHhBXNK6iNeNtgB5tyWSa37hBuRWXv4yBN4=";
  +    sha256 = "XqdgfuNlZCxVWSf+3FteH+COdPBh0MPrCL2QG16yAII=";
     };
   
     nativeBuildInputs = [
  
positive.code:   ];
  
    buildInputs = [
      gupnp
      libuuid
      gssdp
      gtk3
      gupnp-av
      gtksourceview4
      gnome.adwaita-icon-theme
    ];
  
    passthru = {
  
negative.code: , fetchurl
  , meson
  , ninja
  , gupnp_1_6
  , libsoup_3
  , gssdp_1_6
  , pkg-config
  , gtk3
  , gettext
  , gupnp-av
  , gtksourceview4
  