diff --git a/data/stylesheet.appdata.xml.in b/data/stylesheet.appdata.xml.in
index c237e870..b39ae1d5 100644
--- a/data/stylesheet.appdata.xml.in
+++ b/data/stylesheet.appdata.xml.in
@@ -23,6 +23,15 @@
   <url type="bugtracker">https://github.com/elementary/stylesheet/issues</url>
 
   <releases>
+    <release version="8.2.0" date="2024-09-24" urgency="medium">
+      <description>
+        <p>Improve support for LibAdwaita widgets:</p>
+      </description>
+      <issues>
+        <issue url="https://github.com/elementary/stylesheet/issues/1300">Add Support for new Adw.Dialog</issue>
+      </issues>
+    </release>
+
     <release version="8.1.0" date="2024-07-30" urgency="medium">
       <description>
         <p>Improve support for LibAdwaita widgets:</p>
diff --git a/src/gtk-4.0/widgets/adw/AboutWindow.scss b/src/gtk-4.0/widgets/adw/AboutWindow.scss
index 09d8e001..19a939b8 100644
--- a/src/gtk-4.0/widgets/adw/AboutWindow.scss
+++ b/src/gtk-4.0/widgets/adw/AboutWindow.scss
@@ -2,6 +2,7 @@
  * AdwAboutWindow *
  ******************/
 
+dialog.about,
 window.about {
     @extend .dialog;
 
diff --git a/src/gtk-4.0/widgets/adw/Dialog.scss b/src/gtk-4.0/widgets/adw/Dialog.scss
new file mode 100644
index 00000000..a6fbcb3d
--- /dev/null
+++ b/src/gtk-4.0/widgets/adw/Dialog.scss
@@ -0,0 +1,23 @@
+bottom-sheet,
+floating-sheet {
+    > dimming {
+        background: rgba(black, 0.4);
+    }
+
+    sheet {
+        @extend window, .dialog, .csd;
+    }
+}
+
+bottom-sheet sheet {
+    border-bottom-right-radius: 0;
+    border-bottom-left-radius: 0;
+
+    > stack > widget > drag-handle {
+        background: rgba($fg-color, 0.5);
+        min-width: 3em;
+        min-height: 0.5em;
+        margin: 1em;
+        border-radius: 1em;
+    }
+}
diff --git a/src/gtk-4.0/widgets/adw/_index.scss b/src/gtk-4.0/widgets/adw/_index.scss
index 9de6ee97..675aa5c0 100644
--- a/src/gtk-4.0/widgets/adw/_index.scss
+++ b/src/gtk-4.0/widgets/adw/_index.scss
@@ -1,4 +1,5 @@
 @import 'AboutWindow.scss';
+@import 'Dialog.scss';
 @import 'List.scss';
 @import 'MessageDialog.scss';
 @import 'PreferencesWindow.scss';