anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "gnome-remote-desktop";
  -  version = "43.alpha";
  +  version = "43.beta";
   
     src = fetchurl {
       url = "mirror://gnome/sources/${pname}/${lib.versions.major version}/${pname}-${version}.tar.xz";
  -    hash = "sha256-MGLnrsKcyQYoPZ0hY0q3cv8NGVxS8n4aLFzMdtehKXE=";
  +    hash = "sha256-th1u0ih9pV/Om1meTCsNBvuVEsvmkSYxu6cbfViVq+c=";
     };
   
     nativeBuildInputs = [
  
positive.code: , nv-codec-headers-11
  , pipewire
  , systemd
  , libvncserver
  , libsecret
  , libnotify
  , libxkbcommon
  , gdk-pixbuf
  , freerdp
  , fuse3
  , mesa
  , libgudev
  
negative.code:     nv-codec-headers-11
      libnotify
      libsecret
      libxkbcommon
      pipewire
      systemd
  