anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "typora";
  -  version = "0.9.73";
  +  version = "0.9.89";
   
     src = fetchurl {
       url = "https://www.typora.io/linux/typora_${version}_amd64.deb";
  -    sha256 = "1fgcb4bx5pw8ah5j30d38gw7qi1cmqarfhvgdns9f2n0d57bvvw3";
  +    sha256 = "0gk8j13z1ymad34zzcy4vqwyjgd5khgyw5xjj9rbzm5v537kqmx6";
     };
   
     nativeBuildInputs = [
  
positive.code: , lib
  , fetchurl
  , makeWrapper
  , electron_5
  , dpkg
  , gtk3
  , glib
  
negative.code:     gtk3
    ];
  
    # The deb contains setuid permission on `chrome-sandbox`, which will actually not get installed.
    unpackPhase = "dpkg-deb --fsys-tarfile $src | tar -x --no-same-permissions --no-same-owner";
  
    dontWrapGApps = true;
  
  