anchor.diff:  
     rider = buildRider rec {
       name = "rider-${version}";
  -    version = "2021.1.5"; /* updated by script */
  +    version = "2021.2.1"; /* updated by script */
       description = "A cross-platform .NET IDE based on the IntelliJ platform and ReSharper";
       license = lib.licenses.unfree;
       src = fetchurl {
         url = "https://download.jetbrains.com/rider/JetBrains.Rider-${version}.tar.gz";
  -      sha256 = "17mxqh6p9jby5qrjqaq5km0j8k1bp8061ch2j059ka3n4ycxy7ph"; /* updated by script */
  +      sha256 = "1b5ih6q8kyds8px7gldfz1m9ap3kk27yswwxy1735c83094l2nlm"; /* updated by script */
       };
       wmClass = "jetbrains-rider";
       update-channel = "Rider RELEASE";
  
positive.code: 
    goland = buildGoland rec {
      name = "goland-${version}";
      version = "2021.2"; /* updated by script */
      description = "Up and Coming Go IDE";
      license = lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/go/${name}.tar.gz";
        sha256 = "15pxr9w4gs342g9in7a41x0cpb7z68y28hwsamk9ic7yz2qshps8"; /* updated by script */
      };
      wmClass = "jetbrains-goland";
      update-channel = "GoLand RELEASE";
  
negative.code: 
    mps = buildMps rec {
      name = "mps-${version}";
      version = "2021.1.3"; /* updated by script */
      versionMajorMinor = "2021.1"; /* updated by script */
      description = "Create your own domain-specific language";
      license = lib.licenses.asl20;
      src = fetchurl {
        url = "https://download.jetbrains.com/mps/${versionMajorMinor}/MPS-${version}.tar.gz";
        sha256 = "0w1nchaa2d3z3mdp43mvifnbibl1ribyc98dm7grnwvrqk72pabf"; /* updated by script */
      };
      wmClass = "jetbrains-mps";
      update-channel = "MPS RELEASE";
  