anchor.diff:        else "");
   in stdenv.mkDerivation rec {
     pname = "signal-desktop";
  -  version = "5.2.1"; # Please backport all updates to the stable channel.
  +  version = "5.3.0"; # Please backport all updates to the stable channel.
     # All releases have a limited lifetime and "expire" 90 days after the release.
     # When releases "expire" the application becomes unusable until an update is
     # applied. The expiration date for the current release can be extracted with:
  
positive.code: 
    src = fetchurl {
      url = "https://updates.signal.org/desktop/apt/pool/main/s/signal-desktop/signal-desktop_${version}_amd64.deb";
      sha256 = "0hkl8h49565kncvczv5fv4gak55lycygwb8i8igkgc4my0ykzs2z";
    };
  
    nativeBuildInputs = [
  
negative.code:       --replace /opt/Signal/signal-desktop $out/bin/signal-desktop
  
      autoPatchelf --no-recurse -- $out/lib/Signal/
      patchelf --add-needed ${libpulseaudio}/lib/libpulse.so $out/lib/Signal/resources/app.asar.unpacked/node_modules/ringrtc/build/linux/libringrtc-x64.node
    '';
  
    postFixup = ''
  