TODOs

packages/@vue/cli-service/lib/commands/dev.js

@@ -63,9 +63,9 @@ module.exports = (api, options) => {
         // hmr client
         projectDevServerOptions.hotOnly
           ? 'webpack/hot/dev-server'
-          : 'webpack/hot/only-dev-server',
-        // custom overlay client
-        `@vue/cli-overlay/dist/client`
+          : 'webpack/hot/only-dev-server'
+        // TODO custom overlay client
+        // `@vue/cli-overlay/dist/client`
       ])
 
       const compiler = webpack(webpackConfig)
@@ -114,7 +114,8 @@ module.exports = (api, options) => {
         hot: true,
         quiet: true,
         compress: true,
-        publicPath: webpackConfig.output.publicPath
+        publicPath: webpackConfig.output.publicPath,
+        overlay: { warnings: false, errors: true } // TODO disable this
       }, projectDevServerOptions, {
         https: useHttps,
         proxy: proxySettings,

packages/@vue/cli-service/lib/config/prod.js

@@ -104,6 +104,8 @@ module.exports = (api, options) => {
             to: api.resolve(options.outputDir),
             ignore: ['index.html', '.*']
           }]])
+
+      // TODO investigate DLL plugin options
     }
   })
 }