diff --git a/templates/basic/widget/WidgetName.tsx b/templates/basic/widget/WidgetName.tsx
index 6127c2f..9e5a532 100644
--- a/templates/basic/widget/WidgetName.tsx
+++ b/templates/basic/widget/WidgetName.tsx
@@ -1,10 +1,6 @@
 import { property, subclass } from '@arcgis/core/core/accessorSupport/decorators';
 
-/**
- * renderable will be depreciated (possibly removed?) in 4.19 as
- * all @property() decorated properties will be watched
- */
-import { renderable, tsx } from '@arcgis/core/widgets/support/widget';
+import { tsx } from '@arcgis/core/widgets/support/widget';
 
 import Widget from '@arcgis/core/widgets/Widget';
 
@@ -38,13 +34,11 @@ export default class <%name%> extends Widget {
   @property({
     aliasOf: 'viewModel.name',
   })
-  @renderable()
   name = '';
 
   @property({
     type: <%name%>ViewModel,
   })
-  @renderable()
   viewModel = new <%name%>ViewModel();
 
   constructor(properties?: <%name%>Properties) {
diff --git a/templates/rollup/app/.gitignore b/templates/rollup/app/.gitignore
new file mode 100644
index 0000000..42d7e67
--- /dev/null
+++ b/templates/rollup/app/.gitignore
@@ -0,0 +1,18 @@
+# override cli .gitignore
+# can be removed from scaffolded app
+!src/assets
+
+node_modules/*
+.vscode/*
+build/*
+dist/*
+html-report/*
+~tmp/*
+.baseDir*
+.tsdrc
+.tscache
+npm-debug.log
+coverage-final.*
+*.env
+coverage/*
+debug.log
diff --git a/templates/rollup/app/package.json b/templates/rollup/app/package.json
index bcf6bcd..e7cb762 100644
--- a/templates/rollup/app/package.json
+++ b/templates/rollup/app/package.json
@@ -1,20 +1,20 @@
 {
   "private": true,
   "dependencies": {
-    "@arcgis/core": "~4.18.0"
+    "@arcgis/core": "~4.19.0"
   },
   "devDependencies": {
-    "@rollup/plugin-commonjs": "^15.0.0",
+    "@rollup/plugin-commonjs": "^18.0.0",
     "@rollup/plugin-html": "^0.2.0",
-    "@rollup/plugin-node-resolve": "^9.0.0",
+    "@rollup/plugin-node-resolve": "^11.2.1",
     "@rollup/plugin-typescript": "^8.0.0",
     "@types/jest": "^26.0.18",
     "@typescript-eslint/eslint-plugin": "^4.8.1",
     "@typescript-eslint/parser": "^4.8.1",
     "eslint": "^7.15.0",
-    "eslint-config-prettier": "^6.15.0",
+    "eslint-config-prettier": "^8.2.0",
     "eslint-plugin-prettier": "^3.2.0",
-    "husky": "^4.3.5",
+    "husky": "^6.0.0",
     "jest": "^26.6.3",
     "lint-staged": "^10.5.3",
     "ncp": "^2.0.0",
diff --git a/templates/rollup/app/rollup.config.js b/templates/rollup/app/rollup.config.js
index a263054..f0b2283 100644
--- a/templates/rollup/app/rollup.config.js
+++ b/templates/rollup/app/rollup.config.js
@@ -5,7 +5,6 @@ import postcss from 'rollup-plugin-postcss'
 import resolve from '@rollup/plugin-node-resolve';
 import { terser } from 'rollup-plugin-terser';
 import typescript from '@rollup/plugin-typescript';
-// import html from '@rollup/plugin-html';
 
 import fs from 'fs';
 import path from 'path';
@@ -14,14 +13,9 @@ import path from 'path';
 // `npm run dev` -> `production` is false
 const production = !process.env.ROLLUP_WATCH;
 
-// const src = (...args) => path.join('src', ...args);
-
-// const indexPage = fs.readFileSync(path.resolve(__dirname, 'src/index.html'), 'utf-8');
-
 export default {
   input: 'src/index.ts',
   output: {
-    // entryFileNames: '[name].js',
     chunkFileNames: 'chunks/[name].[hash].js',
     dir: 'dist',
     format: 'es'
@@ -40,8 +34,7 @@ export default {
     copy({
       targets: [
         { src: 'src/index.html', dest: 'dist/' },
-        { src: 'src/oauth-callback.html', dest: 'dist/' },
-        { src: 'node_modules/@arcgis/core/assets/', dest: 'dist/' }
+        { src: 'src/oauth-callback.html', dest: 'dist/' }
       ],
       copyOnce: true
     })
diff --git a/templates/rollup/app/src/assets/favicon.ico b/templates/rollup/app/src/assets/favicon.ico
new file mode 100644
index 0000000..bb17d35
Binary files /dev/null and b/templates/rollup/app/src/assets/favicon.ico differ
diff --git a/templates/rollup/app/src/assets/icon.png b/templates/rollup/app/src/assets/icon.png
new file mode 100644
index 0000000..3df231c
Binary files /dev/null and b/templates/rollup/app/src/assets/icon.png differ
diff --git a/templates/rollup/app/src/index.html b/templates/rollup/app/src/index.html
index f726950..2d24c83 100644
--- a/templates/rollup/app/src/index.html
+++ b/templates/rollup/app/src/index.html
@@ -5,8 +5,8 @@
 		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
 		<meta http-equiv="X-UA-Compatible" content="ie=edge" />
 		<meta name="mobile-web-app-capable" content="yes" />
-    <link rel="stylesheet" href="assets/esri/themes/light/main.css" />
-    <link href="index.css" rel="stylesheet">
+		<link rel="stylesheet" href="https://js.arcgis.com/4.19/esri/themes/light/main.css" />
+    	<link href="index.css" rel="stylesheet">
 		<title>ArcGIS Template Application</title>
 		<script>
 			// Check that service workers are registered
diff --git a/templates/webpack/app/package.json b/templates/webpack/app/package.json
index b37b0e0..cd25332 100644
--- a/templates/webpack/app/package.json
+++ b/templates/webpack/app/package.json
@@ -12,8 +12,8 @@
   },
   "license": "Apache-2.0",
   "dependencies": {
-    "@arcgis/core": "next",
-    "@arcgis/webpack-plugin": "^4.19.0-next20210225",
+    "@arcgis/core": "~4.19.0",
+    "@arcgis/webpack-plugin": "~4.19.0",
     "@babel/polyfill": "^7.12.1"
   },
   "devDependencies": {