fix: memory leak in dev mode (#5399)

packages/webpack/src/config/server.js

@@ -28,6 +28,13 @@ export default class WebpackServerConfig extends WebpackBaseConfig {
         whitelist.push(new RegExp(escapeRegExp(posixModule)))
       }
     }
+
+    // Bundle vue js for avoiding single shared Vue instance
+    const { runInNewContext } = this.buildContext.options.render.bundleRenderer
+    if (runInNewContext === true) {
+      whitelist.push('vue')
+    }
+
     return whitelist
   }