anchor.diff:  let
     # SHA256 of the fritzing-parts HEAD on the master branch,
     # which contains the latest stable parts definitions
  -  partsSha = "640fa25650211afccd369f960375ade8ec3e8653";
  +  partsSha = "4713511c894cb2894eae505b9307c6555afcc32c";
   
     parts = fetchFromGitHub {
       owner = "fritzing";
       repo = "fritzing-parts";
       rev = partsSha;
  -    sha256 = "sha256-4S65eX4LCnXCFQAOxmdvr8d0nAgTWcJooE2SpLYpcXI=";
  +    sha256 = "sha256-QiOGWc+99MJhOVrXyNOinR8rTVvW/E+wPfoB6QvbhY0=";
     };
   in
   
  -mkDerivation rec {
  +stdenv.mkDerivation rec {
     pname = "fritzing";
  -  version = "unstable-2021-09-22";
  +  version = "unstable-2022-07-01";
   
     src = fetchFromGitHub {
       owner = pname;
       repo = "fritzing-app";
  -    rev = "f0af53a9077f7cdecef31d231b85d8307de415d4";
  -    sha256 = "sha256-fF38DrBoeZ0aKwVMNyYMPWa5rFPbIVXRARZT+eRat5Q=";
  +    rev = "40d23c29b0463d5c968c3c4b34ed5ffc05c5a258";
  +    sha256 = "sha256-smvfuxQWF/LMFFXHOKb3zUZsEet/XoiaxXOR5QMaYzw=";
     };
   
  -  buildInputs = [ qtbase qtsvg qtserialport boost libgit2 quazip ];
  -  nativeBuildInputs = [ qmake pkg-config qttools ];
  +  buildInputs = [ qtbase qtsvg qtserialport boost libgit2 quazip libngspice ];
  +  nativeBuildInputs = [ qmake pkg-config qttools wrapQtAppsHook ];
   
     patches = [
  -    # Add support for QuaZip 1.x
       (fetchpatch {
  -      url = "https://github.com/fritzing/fritzing-app/commit/ef83ebd9113266bb31b3604e3e9d0332bb48c999.patch";
  -      sha256 = "sha256-J43E6iBRIVbsuuo82gPk3Q7tyLhNkuuyYwtH8hUfcPU=";
  +      url = "https://aur.archlinux.org/cgit/aur.git/plain/0001-Quick-Dirty-patch-to-allow-finding-quazip-qt5-on-Arc.patch?h=fritzing&id=1ae0dc88464f375a54b156e6761315bcb04bcc1f";
  +      sha256 = "sha256-iS18EWw920gyeXDoHBRGwXvwMJurJS21H77Erl+fqog=";
       })
     ];
   
  
positive.code:     cp -a ${parts}/* parts/
    '';
  
    qmakeFlags = [
      "phoenix.pro"
      "DEFINES=QUAZIP_INSTALLED"
      "DEFINES+=QUAZIP_1X"
    ];
  
    postFixup = ''
  
negative.code: , qttools
  , qtserialport
  , boost
  , libngspice
  , libgit2
  , quazip
  }:
  