anchor.diff:      nativeBuildInputs = [ cmake ];
       buildInputs = [ libpng flex bison ];
     };
  -  buildPlugin = { pluginName, sha256, nativeBuildInputs ? [], buildInputs ? [], preConfigure ? "" }:
  +  buildPlugin = { pluginName, sha256, nativeBuildInputs ? [], buildInputs ? [], preConfigure ? "", postPatch ? "" }:
       stdenv.mkDerivation {
  -      name = "openfx-${pluginName}-${version}";
  +      pname = "openfx-${pluginName}";
  +      version = version;
         src = fetchurl {
  -        url = "https://github.com/MrKepzie/Natron/releases/download/${version}/openfx-${pluginName}-${version}.tar.xz";
  +        url = "https://github.com/NatronGitHub/openfx-${pluginName}/releases/download/Natron-${version}/openfx-${pluginName}-Natron-${version}.tar.xz";
           inherit sha256;
         };
  -      inherit nativeBuildInputs buildInputs;
  +      inherit nativeBuildInputs buildInputs postPatch;
         preConfigure = ''
           makeFlagsArray+=("CONFIG=release")
           makeFlagsArray+=("PLUGINPATH=$out/Plugins/OFX/Natron")
  
positive.code:     license = lib.licenses.gpl2;
      maintainers = [ maintainers.puffnfresh ];
      platforms = platforms.linux;
      broken = true;
    };
  }
  
negative.code:     url = "https://raw.githubusercontent.com/lvandeve/lodepng/a70c086077c0eaecbae3845e4da4424de5f43361/lodepng.h";
      sha256 = "14drdikd0vws3wwpyqq7zzm5z3kg98svv4q4w0hr45q6zh6hs0bq";
    };
    cimgversion = "89b9d062ec472df3d33989e6d5d2a8b50ba0775c";
    CImgh = fetchurl {
      url = "https://raw.githubusercontent.com/dtschump/CImg/${cimgversion}/CImg.h";
      sha256 = "sha256-NbYpZDNj2oZ+wqoEkRwwCjiujdr+iGOLA0Pa0Ynso6U=";
    };
    inpainth = fetchurl {
      url = "https://raw.githubusercontent.com/dtschump/CImg/${cimgversion}/plugins/inpaint.h";
      sha256 = "sha256-cd28a3VOs5002GkthHkbIUrxZfKuGhqIYO4Oxe/2HIQ=";
    };
    plugins = map buildPlugin [
      ({
        pluginName = "arena";
        sha256 = "tUb6myG03mRieUAfgRZfv5Ap+cLvbpNrLMYCGTiAq8c=";
        nativeBuildInputs = [ pkg-config ];
        buildInputs = [
          pango librsvg librevenge libcdr opencolorio libxml2 libzip
  