anchor.diff:    optional = stdenv.lib.optional;
   in stdenv.mkDerivation rec {
     name = "obs-studio-${version}";
  -  version = "23.0.2";
  +  version = "23.1.0";
   
     src = fetchFromGitHub {
       owner = "jp9000";
       repo = "obs-studio";
       rev = "${version}";
  -    sha256 = "1c0a5vy4h3qwz69qw3bydyk7r651ib5a9jna4yj6c25p3p9isdvp";
  +    sha256 = "1iavrkjp7vgg0blm4lmj4mc4hrfx8yjaiwx55wmc5ynw80v37ybc";
     };
   
     nativeBuildInputs = [ cmake
  
positive.code:                   libXdmcp
                    qtbase
                    qtx11extras
                    speex
                    x264
                    vlc
  
negative.code: , libXdmcp
  , qtbase
  , qtx11extras
  , qtsvg
  , speex
  , libv4l
  , x264
  