anchor.diff:  in
   stdenvNoCC.mkDerivation rec {
     pname = "MoltenVK";
  -  version = "1.1.8";
  +  version = "1.1.9";
   
     buildInputs = [
       AppKit
  
positive.code:       src = fetchFromGitHub {
          owner = "KhronosGroup";
          repo = "glslang";
          rev = "90d4bd05cd77ef5782a6779a0fe3d084440dc80d";
          hash = "sha256-Q0sk4bPj/skPat1n4GJyuXAlZqpfEn4Td8Bm2IBNUqE=";
        };
      })).override {
        inherit (passthru) spirv-headers spirv-tools;
  
negative.code:       src = fetchFromGitHub {
          owner = "KhronosGroup";
          repo = "SPIRV-Cross";
          rev = "0d4ce028bf8b8a94d325dc1e1c20446153ba19c4";
          hash = "sha256-OluTxOEfDIGMdrXhvIifjpMgZBvyh9ofLKxKt0dX5ZU=";
        };
      });
      spirv-headers = spirv-headers.overrideAttrs (_: {
        src = fetchFromGitHub {
          owner = "KhronosGroup";
          repo = "spirv-headers";
          rev = "4995a2f2723c401eb0ea3e10c81298906bf1422b";
          hash = "sha256-LkIrTFWYvZffLVJJW3152um5LTEsMJEDEsIhBAdhBlk=";
        };
      });
      spirv-tools = (spirv-tools.overrideAttrs (old: {
        src = fetchFromGitHub {
          owner = "KhronosGroup";
          repo = "spirv-tools";
          rev = "eed5c76a57bb965f2e1b56d1dc40b50910b5ec1d";
          hash = "sha256-2Mr3HbhRslLpRfwHascl7e/UoPijhrij9Bjg3aCiqBM=";
        };
      })).override {
        inherit (passthru) spirv-headers;
  