diff --git a/assets/bootstrap.js b/assets/bootstrap.js
index 58308a6..4ab2df6 100644
--- a/assets/bootstrap.js
+++ b/assets/bootstrap.js
@@ -4,7 +4,7 @@ import { startStimulusApp } from '@symfony/stimulus-bridge';
 export const app = startStimulusApp(require.context(
     '@symfony/stimulus-bridge/lazy-controller-loader!./controllers',
     true,
-    /\.(j|t)sx?$/
+    /\.[jt]sx?$/
 ));
 
 // register any custom, 3rd party controllers here
diff --git a/config/packages/assets.yaml b/config/packages/assets.yaml
deleted file mode 100644
index 051d36d..0000000
--- a/config/packages/assets.yaml
+++ /dev/null
@@ -1,3 +0,0 @@
-framework:
-    assets:
-        json_manifest_path: '%kernel.project_dir%/public/build/manifest.json'
diff --git a/config/packages/prod/webpack_encore.yaml b/config/packages/prod/webpack_encore.yaml
deleted file mode 100644
index d0b3ba8..0000000
--- a/config/packages/prod/webpack_encore.yaml
+++ /dev/null
@@ -1,4 +0,0 @@
-#webpack_encore:
-    # Cache the entrypoints.json (rebuild Symfony's cache when entrypoints.json changes)
-    # Available in version 1.2
-    #cache: true
diff --git a/config/packages/test/webpack_encore.yaml b/config/packages/test/webpack_encore.yaml
deleted file mode 100644
index 9ad9673..0000000
--- a/config/packages/test/webpack_encore.yaml
+++ /dev/null
@@ -1,2 +0,0 @@
-webpack_encore:
-    strict_mode: false
diff --git a/config/packages/webpack_encore.yaml b/config/packages/webpack_encore.yaml
index 7095312..4f1a501 100644
--- a/config/packages/webpack_encore.yaml
+++ b/config/packages/webpack_encore.yaml
@@ -1,16 +1,18 @@
----
 webpack_encore:
     # The path where Encore is building the assets - i.e. Encore.setOutputPath()
     output_path: '%kernel.project_dir%/public/build'
-
     # If multiple builds are defined (as shown below), you can disable the default build:
     # output_path: false
 
     # Set attributes that will be rendered on all script and link tags
     script_attributes:
         defer: true
+        # Uncomment (also under link_attributes) if using Turbo Drive
+        # https://turbo.hotwired.dev/handbook/drive#reloading-when-assets-change
+        # 'data-turbo-track': reload
     # link_attributes:
-    #
+        # Uncomment if using Turbo Drive
+        # 'data-turbo-track': reload
 
     # If using Encore.enableIntegrityHashes() and need the crossorigin attribute (default: false, or use 'anonymous' or 'use-credentials')
     # crossorigin: 'anonymous'
@@ -23,11 +25,17 @@ webpack_encore:
 
     # If you have multiple builds:
     # builds:
-        # pass "frontend" as the 3rg arg to the Twig functions
+        # pass the build name as the 3rd argument to the Twig functions
         # {{ encore_entry_script_tags('entry1', null, 'frontend') }}
 
         # frontend: '%kernel.project_dir%/public/frontend/build'
 
-    # Cache the entrypoints.json (rebuild Symfony's cache when entrypoints.json changes)
-    # Put in config/packages/prod/webpack_encore.yaml
-    # cache: true
+#when@prod:
+#    webpack_encore:
+#        # Cache the entrypoints.json (rebuild Symfony's cache when entrypoints.json changes)
+#        # Available in version 1.2
+#        cache: true
+
+#when@test:
+#    webpack_encore:
+#        strict_mode: false
diff --git a/symfony.lock b/symfony.lock
index b0709eb..70647cc 100644
--- a/symfony.lock
+++ b/symfony.lock
@@ -785,12 +785,12 @@
         ]
     },
     "symfony/webpack-encore-bundle": {
-        "version": "1.9",
+        "version": "1.17",
         "recipe": {
             "repo": "github.com/symfony/recipes",
-            "branch": "master",
-            "version": "1.9",
-            "ref": "9399a0bfc6ee7a0c019f952bca46d6a6045dd451"
+            "branch": "main",
+            "version": "1.10",
+            "ref": "eff2e505d4557c967b6710fe06bd947ba555cae5"
         },
         "files": [
             "assets/app.js",
@@ -798,9 +798,6 @@
             "assets/controllers.json",
             "assets/controllers/hello_controller.js",
             "assets/styles/app.css",
-            "config/packages/assets.yaml",
-            "config/packages/prod/webpack_encore.yaml",
-            "config/packages/test/webpack_encore.yaml",
             "config/packages/webpack_encore.yaml",
             "package.json",
             "webpack.config.js"
diff --git a/webpack.config.js b/webpack.config.js
index 9429cf1..9ab0dda 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -109,15 +109,30 @@ module.exports = (async () => {
         .autoProvidejQuery()
         .enableSourceMaps(!Encore.isProduction())
         .cleanupOutputBeforeBuild()
+        //.enableBuildNotifications()
         .enableVersioning()
         .enableSingleRuntimeChunk()
         .splitEntryChunks()
+       // added when upgrading to symfony 5.4
+       // enables and configure @babel/preset-env polyfills
+       //.configureBabelPresetEnv((config) => {
+       //   config.useBuiltIns = 'usage';
+       //   config.corejs = '3.23';
+       //})
         //.addLoader({ test: /\.pdf$/, loader: 'file-loader', options: { name: '[name]_[hash].[ext]', outputPath: 'pdf/' } })
     ;
 
     // populate config with chill entries
     let chillEntries = [];
     await populateConfig(Encore, chillEntries);
+    // configure Babel
+    // .configureBabel((config) => {
+    //     config.plugins.push('@babel/a-babel-plugin');
+    // })
+
+
+    // enables Sass/SCSS support
+    //.enableSassLoader()
 
     // add swagger UI
     if (!Encore.isProduction()) {