anchor.diff:  , gtk3
   , glib
   , libsecret
  -, libsoup
  -, webkitgtk
  +, libsoup_3
  +, webkitgtk_4_1
   , gobject-introspection
   , appstream-glib
   , gnome
  
positive.code: 
  stdenv.mkDerivation rec {
    pname = "polari";
    version = "42.1";
  
    src = fetchurl {
      url = "mirror://gnome/sources/${pname}/${lib.versions.major version}/${pname}-${version}.tar.xz";
      sha256 = "r5DPCEjsvkB+sjBkBINpdP048xww1HT0bRspIYqWaz0=";
    };
  
    patches = [
  
negative.code:     gspell
      gdk-pixbuf
      libsecret
      libsoup_3
      webkitgtk_4_1 # for thumbnailer
    ];
  
    postFixup = ''
  