anchor.diff:  in
   stdenv.mkDerivation rec {
     pname = "pipewire";
  -  version = "0.3.2";
  +  version = "0.3.5";
   
     outputs = [ "out" "lib" "dev" "doc" ];
   
  
positive.code:     vulkan-loader
      xorg.libX11
    ];
    patches = [
        # fix SIGILL in fmt-ops: https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/227
        (fetchpatch {
          url = "https://gitlab.freedesktop.org/pipewire/pipewire/-/commit/1b3aaba206f48e75bb34ff0cd00321bd3d6db2b4.patch";
          sha256 = "08bmr9k2r0q4r7vhhm28k558nk3mz3jfnqswvq9mcj7p0srmfb4x";
        })
    ];
  
    mesonFlags = [
      "-Ddocs=true"
  
negative.code: { stdenv
  , fetchFromGitLab
  , meson
  , ninja
  , pkgconfig
  