anchor.diff:  
   let
     pname = "mozillavpn";
  -  version = "2.10.1";
  +  version = "2.11.0";
     src = fetchFromGitHub {
       owner = "mozilla-mobile";
       repo = "mozilla-vpn-client";
       rev = "v${version}";
       fetchSubmodules = true;
  -    hash = "sha256-am2acceDig7tjhkO5GiWfvkq0Mabyxedbc8mR49SXBU=";
  +    hash = "sha256-QXxZ6RQwXrVsaZRkW13r7aoz8iHxuT0nW/2aFDpLLzU=";
     };
   
     netfilter-go-modules = (buildGoModule {
  
positive.code:     inherit src;
      name = "${pname}-${version}-extension-bridge";
      preBuild = "cd extension/bridge";
      hash = "sha256-sw6iylh3SgCDA1z/xvwNGWrCU2xr7IVPUL4fdOi43lc=";
    };
  
    signatureDeps = rustPlatform.fetchCargoTarball {
      inherit src;
      name = "${pname}-${version}-signature";
      preBuild = "cd signature";
      hash = "sha256-gBJIzTTo6i415aHwUsBriokUt2K/r55QCpC6Tv8GXh4=";
    };
  
  in
  
negative.code:     substituteInPlace extension/CMakeLists.txt \
        --replace '/etc' "$out/etc"
  
      substituteInPlace src/connectionbenchmark/benchmarktasktransfer.cpp \
        --replace 'QT_VERSION >= 0x060400' 'false'
  
      ln -s '${netfilter-go-modules}' linux/netfilter/vendor
  