anchor.diff:  
     coc-fzf = buildVimPluginFrom2Nix {
       pname = "coc-fzf";
  -    version = "2021-04-24";
  +    version = "2021-05-29";
       src = fetchFromGitHub {
         owner = "antoinemadec";
         repo = "coc-fzf";
  -      rev = "70f0691e14c8e55290e554591c0a2661dea530fa";
  -      sha256 = "1m3kwgng7xi8xycc0dcx0wr9i7q0anx9lpax0r4p2a26vaqam539";
  +      rev = "1be2273dc37c07b98b7a1b2b67fd57c80feb85a9";
  +      sha256 = "06w052x13idb8wfvyasg36hakffxnzfs7paj3wk83qa2m1kiz1n4";
       };
       meta.homepage = "https://github.com/antoinemadec/coc-fzf/";
     };
  
positive.code: 
    srcery-vim = buildVimPluginFrom2Nix {
      pname = "srcery-vim";
      version = "2021-05-25";
      src = fetchFromGitHub {
        owner = "srcery-colors";
        repo = "srcery-vim";
        rev = "44eadc74ff42ced89e85300d69f8297ffe11589e";
        sha256 = "1k090cy50z6rsh26z6bqw81h60jl7pnjjdfkv8wmzncy7zna86bs";
      };
      meta.homepage = "https://github.com/srcery-colors/srcery-vim/";
    };
  
    stan-vim = buildVimPluginFrom2Nix {
      pname = "stan-vim";
      version = "2021-05-26";
      src = fetchFromGitHub {
        owner = "eigenfoo";
        repo = "stan-vim";
        rev = "0216d8eb8fba6c25a960fe940ca419e570789314";
        sha256 = "0xmkpnrn97y7fny90d57zrklyyhmh7q4ppp1dqdb9q74vikhsch5";
      };
      meta.homepage = "https://github.com/eigenfoo/stan-vim/";
    };
  
negative.code: 
    chadtree = buildVimPluginFrom2Nix {
      pname = "chadtree";
      version = "2021-06-05";
      src = fetchFromGitHub {
        owner = "ms-jpq";
        repo = "chadtree";
        rev = "a33387ffed163f922d93f142a908adfda521a224";
        sha256 = "1gs06vs1bgjr76hg1pdkxsd81c12fnaqg8r1lfvwcvph1nzqj7d9";
      };
      meta.homepage = "https://github.com/ms-jpq/chadtree/";
    };
  