diff --git a/CHANGELOG.md b/CHANGELOG.md
index ee76f56..9a78581 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,19 @@
+# v.0.4.0 (2025-08-30)
+
+## 🚀 Features
+
+- Exercise selection system
+
+## 🌟 Enhancements
+
+- Tooltips on append icons in toolbar
+- Exercise page icon adds open exercises badge
+- Finished english translation
+- Icons on exercise groups on help page
+- Welcome dialog: New page for look and feel, merge database and exercise creation in one step
+- Add links to GitHub and project page on settings
+
+
 # v.0.3.0 (2025-02-28)
 ## 🚀 Features
 - Swagger Documentation
diff --git a/example-config.json b/example-config.json
new file mode 100644
index 0000000..f208365
--- /dev/null
+++ b/example-config.json
@@ -0,0 +1,19 @@
+{
+  "theme": "dark",
+  "language": "en",
+  "notAvailableExercises": [
+    "getting-known-register",
+    "getting-known-profile",
+    "getting-known-buy-ticket",
+    "broken-access-control-exercise-page",
+    "broken-access-control-hidden-concert",
+    "sql-injection-database-schema",
+    "sql-injection-all-accounts",
+    "sql-injection-account-roles",
+    "sql-injection-upgrade-privileges",
+    "sql-injection-capture-account",
+    "sql-injection-delete-rating",
+    "cross-site-scripting-hello-world",
+    "cross-site-scripting-external-script"
+  ]
+}
\ No newline at end of file
diff --git a/package.json b/package.json
index ffe5278..bc3b4ce 100644
--- a/package.json
+++ b/package.json
@@ -1,10 +1,10 @@
 {
   "name": "eventmaster",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "author": "Tobias Zoghaib",
   "description": "Hackable ticket store for educational purposes",
   "license": "MIT",
-  "homepage": "www.uni-hannover.de",
+  "homepage": "https://www.itsec.uni-hannover.de/de/usec/forschung/eventmaster-learning-web-attacks",
   "main": "build/src/electron/index.js",
   "private": true,
   "scripts": {
diff --git a/src/pages/misc/preferencesPage/index.vue b/src/pages/misc/preferencesPage/index.vue
index beafa4e..9ba9ea7 100644
--- a/src/pages/misc/preferencesPage/index.vue
+++ b/src/pages/misc/preferencesPage/index.vue
@@ -8,11 +8,11 @@ import importExportSection from './importExportSection.vue';
 
 <template>
   <v-container max-width="800">
-    <v-row>
+    <!-- <v-row>
       <v-col>
         <import-export-section />
       </v-col>
-    </v-row>
+    </v-row> -->
     <v-row>
       <v-col>
         <page-setup />