anchor.diff:  
     nvim-toggleterm-lua = buildVimPluginFrom2Nix {
       pname = "nvim-toggleterm-lua";
  -    version = "2021-03-23";
  +    version = "2021-04-19";
       src = fetchFromGitHub {
         owner = "akinsho";
         repo = "nvim-toggleterm.lua";
  -      rev = "84980bd3f549821fe58d1821fdc1e7c54d1ebf3a";
  -      sha256 = "09dcajyfbimfzgxj57c988rqr6y6ah4p97j04gyvg1mrvlj95dg4";
  +      rev = "2c54f8c73c4d2c9a115691a9518262dcdaac0c71";
  +      sha256 = "18qbzj16czy1jyqmm1if22z04xyslljhqp026x01crp77kkz6ccf";
       };
       meta.homepage = "https://github.com/akinsho/nvim-toggleterm.lua/";
     };
   
     nvim-tree-lua = buildVimPluginFrom2Nix {
       pname = "nvim-tree-lua";
  -    version = "2021-04-08";
  +    version = "2021-04-19";
       src = fetchFromGitHub {
         owner = "kyazdani42";
         repo = "nvim-tree.lua";
  -      rev = "82b20f5b5ed741d2e6360990ee11a50f0cd253a4";
  -      sha256 = "0il4z9ch5jmrwp5c51lxgrj8w3d5av3z5pkwjclh8gwpvm7siwvr";
  +      rev = "c995d65b7dc0935d0e1c04302d9b4494c5eb56bf";
  +      sha256 = "09pb1znd1vfqj8g90805zsb1ffxkj9xfycc5aximm06dcsiv8dgi";
       };
       meta.homepage = "https://github.com/kyazdani42/nvim-tree.lua/";
     };
   
     nvim-treesitter = buildVimPluginFrom2Nix {
       pname = "nvim-treesitter";
  -    version = "2021-04-10";
  +    version = "2021-04-19";
       src = fetchFromGitHub {
         owner = "nvim-treesitter";
         repo = "nvim-treesitter";
  -      rev = "615afe3541eec0b338b4ff5b6738f69c7f6f8860";
  -      sha256 = "14n9q9fnfys8vj7m4fbngybcz9f2vzr8f67r5m7nd3lljn2389dg";
  +      rev = "df189e28a498d90dc8813e90944e0999bc936e56";
  +      sha256 = "0azpx89vykc1ylbn26744rdfd4f3wga0azdsg06hmz55a9q6qq8p";
       };
       meta.homepage = "https://github.com/nvim-treesitter/nvim-treesitter/";
     };
   
     nvim-treesitter-context = buildVimPluginFrom2Nix {
       pname = "nvim-treesitter-context";
  -    version = "2021-04-09";
  +    version = "2021-04-18";
       src = fetchFromGitHub {
         owner = "romgrk";
         repo = "nvim-treesitter-context";
  -      rev = "6855cc725ee7d98dff00886d22d687ef7ba82c4f";
  -      sha256 = "1y2vpgmc2c2fpdxfpxlmz69f36wnp9q0yff6cidal61xaj28w71w";
  +      rev = "d5070fb1171220e8db6eef77ed994079198d6522";
  +      sha256 = "1x534yrbjnf4bny3bykj7jkydhkjxspmipkbb685ja4nppc2lp41";
       };
       meta.homepage = "https://github.com/romgrk/nvim-treesitter-context/";
     };
  
positive.code: 
    fern-vim = buildVimPluginFrom2Nix {
      pname = "fern-vim";
      version = "2021-03-25";
      src = fetchFromGitHub {
        owner = "lambdalisue";
        repo = "fern.vim";
        rev = "3f9f1957699346f240a9e71eee83fcb67c8fc0e5";
        sha256 = "1wkxih5glkpvjy6ka42y0x1di2iqm1y7rc93av4gfqhhskryfv0h";
      };
      meta.homepage = "https://github.com/lambdalisue/fern.vim/";
    };
  
negative.code: 
    nerdcommenter = buildVimPluginFrom2Nix {
      pname = "nerdcommenter";
      version = "2021-04-13";
      src = fetchFromGitHub {
        owner = "preservim";
        repo = "nerdcommenter";
        rev = "1b53686d5f1d1607dc67430e9243283fee3a9764";
        sha256 = "03qzbvry4mygx109mxxqqmbv9adh9ifsiwl0rsvfgp7kl6l6fzkk";
      };
      meta.homepage = "https://github.com/preservim/nerdcommenter/";
    };
  