app/assets/javascripts/stimulus-loading.js in stimulus-rails-1.0.3 vs app/assets/javascripts/stimulus-loading.js in stimulus-rails-1.0.4

@@ -76,8 +76,10 @@
 function controllerFilename(name, under) {
   return `${under}/${name.replace(/--/g, "/").replace(/-/g, "_")}_controller`
 }
 
 function registerController(name, module, application) {
-  application.register(name, module.default)
-  registeredControllers[name] = true
+  if (!(name in registeredControllers)) {
+    application.register(name, module.default)
+    registeredControllers[name] = true
+  }
 }