diff --git a/data/org.kuchelmeister.toolbxtuner.appdata.xml.in b/data/org.kuchelmeister.toolbxtuner.appdata.xml.in
index a4892d2..f64fd3c 100644
--- a/data/org.kuchelmeister.toolbxtuner.appdata.xml.in
+++ b/data/org.kuchelmeister.toolbxtuner.appdata.xml.in
@@ -4,6 +4,7 @@
   <id>org.kuchelmeister.toolbxtuner</id>
   <metadata_license>CC0-1.0</metadata_license>
   <project_license>GPL-3.0-or-later</project_license>
+  <content_rating type="oars-1.0" />
   <name>Toolbx Tuner</name>
   <summary>Manage and enhance your toolbxes (containertoolboxes)</summary>
   <description>
@@ -12,20 +13,22 @@
   <screenshots>
     <screenshot type="default">
       <caption>Main application window showing multiple toolboxes</caption>
-      <image type="source" width="1633" height="971">https://media.githubusercontent.com/media/13hannes11/toolbx-tuner/main/data/screenshots/main_light.png</image>
+      <image type="source" width="1200" height="800">https://media.githubusercontent.com/media/13hannes11/toolbx-tuner/main/data/screenshots/main_light.png</image>
     </screenshot>
      <screenshot>
       <caption>Main application window in dark mode</caption>
-      <image type="source" width="1633" height="971">https://media.githubusercontent.com/media/13hannes11/toolbx-tuner/main/data/screenshots/main_dark.png</image>
+      <image type="source" width="1200" height="800">https://media.githubusercontent.com/media/13hannes11/toolbx-tuner/main/data/screenshots/main_dark.png</image>
     </screenshot>
   </screenshots>
-  <content_rating type="oars-1.0" />
+
   <url type="homepage">https://github.com/13hannes11/toolbx-tuner</url>
   <url type="bugtracker">https://github.com/13hannes11/toolbx-tuner/issues/</url>
   <update_contact>hannes_AT_kuchelmeister.org</update_contact>
   <developer_name>Hannes Kuchelmeister</developer_name>
-
   <launchable type="desktop-id">org.kuchelmeister.toolbxtuner.desktop</launchable>
+  <releases>
+    <release version="0.0.0" type="development" date="2022-04-18" />
+  </releases>
 
 </component>
 
diff --git a/data/screenshots/main_dark.png b/data/screenshots/main_dark.png
index f45f179..45dd239 100644
--- a/data/screenshots/main_dark.png
+++ b/data/screenshots/main_dark.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:9702e3337247ed0ec084026e9e6f5f293c99a4c9fb80fedab16352ef58593041
-size 1085461
+oid sha256:e0a42d48d732b8313c3ab41eacdd943608bd843a4ee6ea0a1303b1d33a38deed
+size 526950
diff --git a/data/screenshots/main_light.png b/data/screenshots/main_light.png
index a0813a5..43c8089 100644
--- a/data/screenshots/main_light.png
+++ b/data/screenshots/main_light.png
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:54cc7d1dbab34c6a29266b0b505470357e78bb06f84fb8699af38a745ba06309
-size 1078772
+oid sha256:599b021553cbeb3f4004f502a860651a4d7a2af5bd7c03b7947bccec851565f9
+size 502907