anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "brave";
  -  version = "1.16.76";
  +  version = "1.17.73";
   
     src = fetchurl {
       url = "https://github.com/brave/brave-browser/releases/download/v${version}/brave-browser_${version}_amd64.deb";
  -    sha256 = "1nbgiwflmr3ik428yarmnpx10dmqai2m4k910miqd92mwmfb0pib";
  +    sha256 = "18bd6kgzfza5r0y2ggfy82pdpnfr2hzgjcfy9vxqq658z7q3jpqy";
     };
   
     dontConfigure = true;
  
positive.code: , libXext
  , libXfixes
  , libXi
  , libXrandr
  , libXrender
  , libXScrnSaver
  
negative.code:   libdrm
    libpulseaudio
    libX11
    libxkbcommon
    libXScrnSaver
    libXcomposite
    libXcursor
  