anchor.diff:  
     webstorm = buildWebStorm rec {
       name = "webstorm-${version}";
  -    version = "2021.3"; /* updated by script */
  +    version = "2021.3.1"; /* updated by script */
       description = "Professional IDE for Web and JavaScript development";
       license = lib.licenses.unfree;
       src = fetchurl {
         url = "https://download.jetbrains.com/webstorm/WebStorm-${version}.tar.gz";
  -      sha256 = "1llz97r95xrf7yixgbfipg153qikkxziwwhv9dvvi29v7pi1k4ys"; /* updated by script */
  +      sha256 = "1f918cj76b79x0d2hhv78mvmki5d1dps8nsx7i50wn2qzdml4kc6"; /* updated by script */
       };
       wmClass = "jetbrains-webstorm";
       update-channel = "WebStorm RELEASE";
  
positive.code: 
    idea-community = buildIdea rec {
      name = "idea-community-${version}";
      version = "2021.3"; /* updated by script */
      description = "Integrated Development Environment (IDE) by Jetbrains, community edition";
      license = lib.licenses.asl20;
      src = fetchurl {
        url = "https://download.jetbrains.com/idea/ideaIC-${version}.tar.gz";
        sha256 = "0xrhgqbsyd2plzkkmy00bwsa8dk4ijszmhmbyn6c9ygl01zhji6y"; /* updated by script */
      };
      wmClass = "jetbrains-idea-ce";
      update-channel = "IntelliJ IDEA RELEASE";
  
negative.code: 
    clion = buildClion rec {
      name = "clion-${version}";
      version = "2021.3.2"; /* updated by script */
      description  = "C/C++ IDE. New. Intelligent. Cross-platform";
      license = lib.licenses.unfree;
      src = fetchurl {
        url = "https://download.jetbrains.com/cpp/CLion-${version}.tar.gz";
        sha256 = "029xim3a6ijqdbzwxan189ydcy5b0ry2qqc70fipp8ic5z5iai3b"; /* updated by script */
      };
      wmClass = "jetbrains-clion";
      update-channel = "CLion RELEASE"; # channel's id as in http://www.jetbrains.com/updates/updates.xml
  