diff --git a/package.json b/package.json
index 70d5503..856bb25 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@pdanpdan/quasar-play",
-  "version": "1.0.5",
+  "version": "1.0.6",
   "description": "Playground for Quasar Framework",
   "productName": "Quasar Play",
   "author": {
diff --git a/src/components/TopBar.vue b/src/components/TopBar.vue
index 45535a0..ff3c8bf 100644
--- a/src/components/TopBar.vue
+++ b/src/components/TopBar.vue
@@ -58,14 +58,27 @@
 
       <div>
         <div class="row q-gutter-sm">
-          <q-btn
-            style="min-width: 9ch"
-            flat
-            :color="ssr === true ? 'primary' : ''"
-            padding="sm"
-            :label="`SSR ${ ssr === true ? 'ON' : 'OFF' }`"
-            @click="toggleSSR"
-          />
+          <q-btn-group flat>
+            <q-btn
+              style="min-width: 7ch"
+              flat
+              :color="productionMode === true ? 'accent' : 'primary'"
+              padding="sm"
+              :label="productionMode === true ? 'PROD' : 'DEV'"
+              @click="toggleProductionMode"
+            />
+
+            <q-btn
+              style="min-width: 9ch"
+              flat
+              :color="ssr === true ? 'accent' : 'primary'"
+              padding="sm"
+              :label="`SSR ${ ssr === true ? 'ON' : 'OFF' }`"
+              @click="toggleSSR"
+            />
+          </q-btn-group>
+
+          <q-space v-if="$q.screen.lt.lg" />
 
           <q-btn
             flat
@@ -279,11 +292,15 @@ onUnmounted(() => {
   window.removeEventListener('blur', handleWindowBlur);
 });
 
-const { ssr } = props.store;
+const { ssr, productionMode } = props.store;
 function toggleSSR() {
   ssr.value = ssr.value !== true;
 }
 
+function toggleProductionMode() {
+  productionMode.value = productionMode.value !== true;
+}
+
 function toggleDark() {
   $q.dark.set($q.dark.isActive !== true);
 }
@@ -385,7 +402,7 @@ body.desktop .q-select__options-list
 
 .play
   &__top-bar
-    z-index: 1
+    z-index: 20
     position: relative
     background: var(--play-bg-color-base)
     transform-style: preserve-3d
diff --git a/src/store.ts b/src/store.ts
index 8ac9b18..4b55e8e 100644
--- a/src/store.ts
+++ b/src/store.ts
@@ -42,7 +42,7 @@ const counterFile = 'src/counter.ts';
 const settingsFile = 'src/QuasarSettings.vue';
 
 const pkgPathMap: Record<string, string | PathMeta> = {
-  vue: 'dist/vue.runtime.esm-browser.js',
+  vue: 'dist/vue.{{production}}esm-browser.js',
   'vue/server-renderer': {
     pkg: '@vue/server-renderer',
     path: 'dist/server-renderer.esm-browser.js',
@@ -154,6 +154,8 @@ export function useReplStore( options: ReplOptions = {} ) {
     typescriptVersion: computed( () => versions.typescript || 'latest' ),
   } );
 
+  const productionMode = ref( false );
+
   const customImports = computed( () => {
     const code = state.files[ IMPORT_MAP ]?.code.trim();
     let map: ImportMap = {};
@@ -168,7 +170,7 @@ export function useReplStore( options: ReplOptions = {} ) {
 
     return map;
   } );
-  const internalImports = computed( () => buildImports( versions ) );
+  const internalImports = computed( () => buildImports( versions, productionMode.value ) );
   const importMap = computed( () => {
     return <ImportMap>{
       imports: {
@@ -219,7 +221,7 @@ export function useReplStore( options: ReplOptions = {} ) {
     return `src/${ origin }`;
   }
 
-  function buildImports( versions: Record<string, string> = {} ) {
+  function buildImports( versions: Record<string, string> = {}, prod: boolean = false ) {
     const imports: Record<string, string> = {};
 
     for ( const name of Object.keys( pkgPathMap ) ) {
@@ -238,7 +240,8 @@ export function useReplStore( options: ReplOptions = {} ) {
 
       if ( !pkg || !path ) continue;
 
-      imports[ name ] = getCdnUrl( pkg, path, versions[ pkg ] || 'latest' );
+      const prodReplace = prod === true ? 'runtime.' : '';
+      imports[ name ] = getCdnUrl( pkg, path, versions[ pkg ] || 'latest' ).replace( '{{production}}', prodReplace );
     }
 
     return imports;
@@ -371,6 +374,7 @@ export function useReplStore( options: ReplOptions = {} ) {
     ...store,
 
     ssr: ref( false ),
+    productionMode,
     versions,
     init,
     serialize,