anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "libdeltachat";
  -  version = "1.79.0";
  +  version = "1.80.0";
   
     src = fetchFromGitHub {
       owner = "deltachat";
       repo = "deltachat-core-rust";
       rev = version;
  -    hash = "sha256-jwAPbTwMSWDucAvip5KcA7fb4LCWo70SiIspacijMvQ=";
  +    hash = "sha256-4b2tf7QmLQ5ltnkxUGCwA1TZSQRoyKaRGcxBxbSKDaE=";
     };
   
     patches = [
  
positive.code: , openssl
  , perl
  , pkg-config
  , rustPlatform
  , sqlcipher
  , sqlite
  
negative.code:     cargoCheckHook
    ];
  
    passthru.tests = {
      python = python3.pkgs.deltachat;
    };
  
    meta = with lib; {
      description = "Delta Chat Rust Core library";
      homepage = "https://github.com/deltachat/deltachat-core-rust/";
  