anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "ghex";
  -  version = "42.3";
  +  version = "43.alpha";
   
     outputs = [ "out" "dev" "devdoc" ];
   
     src = fetchurl {
       url = "mirror://gnome/sources/ghex/${lib.versions.major version}/${pname}-${version}.tar.xz";
  -    sha256 = "rdQPirJJIdsw0nvljwAnMgGXfYf9yNeezq36iw41Te8=";
  +    sha256 = "tJttVHJ8Jmo22JQj0r+1OFB/aVU3Q2IoL8UiLMIxC48=";
     };
   
     nativeBuildInputs = [
  
positive.code: , itstool
  , libxml2
  , gtk4
  , glib
  , atk
  , gobject-introspection
  
negative.code: 
    buildInputs = [
      gtk4
      libadwaita
      atk
      glib
    ];
  