diff --git a/ViewModels/MainViewModel.Scenes.cs b/ViewModels/MainViewModel.Scenes.cs
index f5173ab..e95bcad 100644
--- a/ViewModels/MainViewModel.Scenes.cs
+++ b/ViewModels/MainViewModel.Scenes.cs
@@ -33,6 +33,11 @@ public partial class MainViewModel
                 foreach (var s in Scenes)
                     s.IsStaged = s == value;
 
+                // Scene-scoped menu affordances: the (+) menu's Blur entry is Live-only, and a
+                // binding that is never re-notified stays collapsed for the rest of the session
+                // (build 1082: the option vanished after the first layout load).
+                OnPropertyChanged(nameof(CanAddBlur));
+
                 SelectedElement = null;
                 if (value != null)
                 {
diff --git a/ytLive.Tests/BlurMenuAvailabilityTests.cs b/ytLive.Tests/BlurMenuAvailabilityTests.cs
new file mode 100644
index 0000000..f07521e
--- /dev/null
+++ b/ytLive.Tests/BlurMenuAvailabilityTests.cs
@@ -0,0 +1,51 @@
+using System;
+using System.IO;
+using System.Linq;
+using Xunit;
+using ytLive.Models;
+using ytLive.ViewModels;
+
+namespace ytLive.Tests;
+
+/// <summary>
+/// The (+) menu's Blur entry is Live-scene only, and it is bound — so the view model has to
+/// re-notify `CanAddBlur` whenever the staged scene changes. It did not, and the option stayed
+/// collapsed for the rest of the session (build 1082: "it no longer appears as an option").
+/// </summary>
+[Collection("MainViewModelLayoutPath")]
+public class BlurMenuAvailabilityTests
+{
+    private static MainViewModel NewVm(out string dbPath)
+    {
+        dbPath = Path.Combine(Path.GetTempPath(), $"llamacasty-blurmenu-{Guid.NewGuid():N}.db");
+        MainViewModel.LayoutPathOverride = dbPath;
+        return new MainViewModel();
+    }
+
+    [Fact]
+    public void Blur_is_offered_on_the_live_scene_only_and_the_flag_is_re_notified()
+    {
+        var vm = NewVm(out var dbPath);
+        try
+        {
+            var live = vm.Scenes.First(s => SceneCatalog.Is(s.Name, SceneCatalog.Live));
+            var chat = vm.Scenes.First(s => SceneCatalog.Is(s.Name, SceneCatalog.Chat));
+
+            vm.StagedScene = live;
+            Assert.True(vm.CanAddBlur, "the Live scene must offer the blur layer");
+            vm.StagedScene = chat;
+            Assert.False(vm.CanAddBlur, "other scenes must not offer a desktop blur");
+
+            // The regression: a bound property with no notification never re-evaluates.
+            var notified = 0;
+            vm.PropertyChanged += (_, e) => { if (e.PropertyName == nameof(MainViewModel.CanAddBlur)) notified++; };
+            vm.StagedScene = live;
+            Assert.True(notified > 0, "changing the staged scene must re-notify CanAddBlur");
+        }
+        finally
+        {
+            MainViewModel.LayoutPathOverride = null;
+            try { File.Delete(dbPath); } catch (IOException) { }
+        }
+    }
+}