diff --git a/demo/Directory.Build.props b/demo/Directory.Build.props
index 65b1f445..d73fa6aa 100644
--- a/demo/Directory.Build.props
+++ b/demo/Directory.Build.props
@@ -1,7 +1,6 @@
 <Project>
-  <PropertyGroup>
-    <Nullable>enable</Nullable>
-    <AvaloniaVersion>11.2.2</AvaloniaVersion>
-    <CommunityToolkitVersion>8.3.2</CommunityToolkitVersion>
-  </PropertyGroup>
+    <PropertyGroup>
+        <AvaloniaVersion>11.2.3</AvaloniaVersion>
+        <CommunityToolkitVersion>8.4.0</CommunityToolkitVersion>
+    </PropertyGroup>
 </Project>
diff --git a/demo/Semi.Avalonia.Demo.Desktop/Program.cs b/demo/Semi.Avalonia.Demo.Desktop/Program.cs
index f6fb44db..8de4d498 100644
--- a/demo/Semi.Avalonia.Demo.Desktop/Program.cs
+++ b/demo/Semi.Avalonia.Demo.Desktop/Program.cs
@@ -1,13 +1,11 @@
-using Avalonia;
+using System;
+using Avalonia;
 using Avalonia.Dialogs;
 using Avalonia.Media;
-using System;
-using System.Linq;
-using System.Threading;
 
 namespace Semi.Avalonia.Demo.Desktop;
 
-class Program
+sealed class Program
 {
     // Initialization code. Don't use any Avalonia, third-party APIs or any
     // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
@@ -33,4 +31,4 @@ public static AppBuilder BuildAvaloniaApp()
             .UsePlatformDetect()
             .With(new Win32PlatformOptions())
             .LogToTrace();
-}
+}
\ No newline at end of file
diff --git a/demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj b/demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj
index d697ebd7..0024d30b 100644
--- a/demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj
+++ b/demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj
@@ -19,16 +19,14 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <TrimmerRootDescriptor Include="Roots.xml" />
+        <TrimmerRootDescriptor Include="Roots.xml"/>
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia.Desktop" Version="$(AvaloniaVersion)" />
-        <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
-        <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="$(AvaloniaVersion)" />
+        <PackageReference Include="Avalonia.Desktop" Version="$(AvaloniaVersion)"/>
     </ItemGroup>
 
     <ItemGroup>
-        <ProjectReference Include="..\Semi.Avalonia.Demo\Semi.Avalonia.Demo.csproj" />
+        <ProjectReference Include="..\Semi.Avalonia.Demo\Semi.Avalonia.Demo.csproj"/>
     </ItemGroup>
 </Project>
diff --git a/demo/Semi.Avalonia.Demo.Drm/Program.cs b/demo/Semi.Avalonia.Demo.Drm/Program.cs
index 5a7662f0..c04db703 100644
--- a/demo/Semi.Avalonia.Demo.Drm/Program.cs
+++ b/demo/Semi.Avalonia.Demo.Drm/Program.cs
@@ -7,7 +7,7 @@
 
 namespace Semi.Avalonia.Demo.Drm;
 
-class Program
+sealed class Program
 {
     // Initialization code. Don't use any Avalonia, third-party APIs or any
     // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
diff --git a/demo/Semi.Avalonia.Demo.Drm/Semi.Avalonia.Demo.Drm.csproj b/demo/Semi.Avalonia.Demo.Drm/Semi.Avalonia.Demo.Drm.csproj
index 2671f209..c9d6d527 100644
--- a/demo/Semi.Avalonia.Demo.Drm/Semi.Avalonia.Demo.Drm.csproj
+++ b/demo/Semi.Avalonia.Demo.Drm/Semi.Avalonia.Demo.Drm.csproj
@@ -19,17 +19,15 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <TrimmerRootDescriptor Include="Roots.xml" />
+        <TrimmerRootDescriptor Include="Roots.xml"/>
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia.Desktop" Version="$(AvaloniaVersion)" />
-        <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
-        <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="$(AvaloniaVersion)" />
-        <PackageReference Include="Avalonia.LinuxFramebuffer" Version="$(AvaloniaVersion)" />
+        <PackageReference Include="Avalonia.Desktop" Version="$(AvaloniaVersion)"/>
+        <PackageReference Include="Avalonia.LinuxFramebuffer" Version="$(AvaloniaVersion)"/>
     </ItemGroup>
 
     <ItemGroup>
-        <ProjectReference Include="..\Semi.Avalonia.Demo\Semi.Avalonia.Demo.csproj" />
+        <ProjectReference Include="..\Semi.Avalonia.Demo\Semi.Avalonia.Demo.csproj"/>
     </ItemGroup>
 </Project>
diff --git a/demo/Semi.Avalonia.Demo.Web/Semi.Avalonia.Demo.Web.csproj b/demo/Semi.Avalonia.Demo.Web/Semi.Avalonia.Demo.Web.csproj
index 938a5699..be7b9425 100644
--- a/demo/Semi.Avalonia.Demo.Web/Semi.Avalonia.Demo.Web.csproj
+++ b/demo/Semi.Avalonia.Demo.Web/Semi.Avalonia.Demo.Web.csproj
@@ -3,6 +3,7 @@
         <TargetFramework>net8.0-browser</TargetFramework>
         <OutputType>Exe</OutputType>
         <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+        <Nullable>enable</Nullable>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/demo/Semi.Avalonia.Demo/Semi.Avalonia.Demo.csproj b/demo/Semi.Avalonia.Demo/Semi.Avalonia.Demo.csproj
index 9e5c54a0..1c20dc6e 100644
--- a/demo/Semi.Avalonia.Demo/Semi.Avalonia.Demo.csproj
+++ b/demo/Semi.Avalonia.Demo/Semi.Avalonia.Demo.csproj
@@ -4,22 +4,26 @@
         <Nullable>enable</Nullable>
         <LangVersion>latest</LangVersion>
     </PropertyGroup>
-    
+
     <ItemGroup>
-        <AvaloniaResource Include="Assets\**" />
+        <AvaloniaResource Include="Assets\**"/>
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia" Version="$(AvaloniaVersion)" />
-        <PackageReference Include="Avalonia.Controls.DataGrid" Version="$(AvaloniaVersion)" />
+        <PackageReference Include="Avalonia" Version="$(AvaloniaVersion)"/>
+        <PackageReference Include="Avalonia.Controls.ColorPicker" Version="$(AvaloniaVersion)"/>
+        <PackageReference Include="Avalonia.Controls.DataGrid" Version="$(AvaloniaVersion)"/>
         <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
-        <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="$(AvaloniaVersion)" />
-        <PackageReference Include="CommunityToolkit.Mvvm" Version="$(CommunityToolkitVersion)" />
+        <PackageReference Include="Avalonia.Diagnostics" Version="$(AvaloniaVersion)">
+            <IncludeAssets Condition="'$(Configuration)' != 'Debug'">None</IncludeAssets>
+            <PrivateAssets Condition="'$(Configuration)' != 'Debug'">All</PrivateAssets>
+        </PackageReference>
+        <PackageReference Include="CommunityToolkit.Mvvm" Version="$(CommunityToolkitVersion)"/>
     </ItemGroup>
 
     <ItemGroup>
-      <ProjectReference Include="..\..\src\Semi.Avalonia.ColorPicker\Semi.Avalonia.ColorPicker.csproj" />
-      <ProjectReference Include="..\..\src\Semi.Avalonia.DataGrid\Semi.Avalonia.DataGrid.csproj" />
-      <ProjectReference Include="..\..\src\Semi.Avalonia\Semi.Avalonia.csproj" />
+        <ProjectReference Include="..\..\src\Semi.Avalonia.ColorPicker\Semi.Avalonia.ColorPicker.csproj"/>
+        <ProjectReference Include="..\..\src\Semi.Avalonia.DataGrid\Semi.Avalonia.DataGrid.csproj"/>
+        <ProjectReference Include="..\..\src\Semi.Avalonia\Semi.Avalonia.csproj"/>
     </ItemGroup>
 </Project>
diff --git a/demo/Semi.Avalonia.TreeDataGrid.Demo/Program.cs b/demo/Semi.Avalonia.TreeDataGrid.Demo/Program.cs
index b0b60d90..bcf0ebdc 100644
--- a/demo/Semi.Avalonia.TreeDataGrid.Demo/Program.cs
+++ b/demo/Semi.Avalonia.TreeDataGrid.Demo/Program.cs
@@ -1,10 +1,10 @@
-using Avalonia;
-using System;
+using System;
+using Avalonia;
 using Avalonia.Media;
 
 namespace Semi.Avalonia.TreeDataGrid.Demo;
 
-class Program
+sealed class Program
 {
     // Initialization code. Don't use any Avalonia, third-party APIs or any
     // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
diff --git a/demo/Semi.Avalonia.TreeDataGrid.Demo/Semi.Avalonia.TreeDataGrid.Demo.csproj b/demo/Semi.Avalonia.TreeDataGrid.Demo/Semi.Avalonia.TreeDataGrid.Demo.csproj
index 9327faec..30c42326 100644
--- a/demo/Semi.Avalonia.TreeDataGrid.Demo/Semi.Avalonia.TreeDataGrid.Demo.csproj
+++ b/demo/Semi.Avalonia.TreeDataGrid.Demo/Semi.Avalonia.TreeDataGrid.Demo.csproj
@@ -12,18 +12,21 @@
         <!--<IncludeNativeLibrariesForSelfExtract>true</IncludeNativeLibrariesForSelfExtract>-->
     </PropertyGroup>
 
-    <Import Project="../Directory.Build.props" />
+    <Import Project="../Directory.Build.props"/>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia" Version="$(AvaloniaVersion)" />
-        <PackageReference Include="Avalonia.Desktop" Version="$(AvaloniaVersion)" />
+        <PackageReference Include="Avalonia" Version="$(AvaloniaVersion)"/>
+        <PackageReference Include="Avalonia.Desktop" Version="$(AvaloniaVersion)"/>
         <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
-        <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="$(AvaloniaVersion)" />
-        <PackageReference Include="CommunityToolkit.Mvvm" Version="$(CommunityToolkitVersion)" />
+        <PackageReference Include="Avalonia.Diagnostics" Version="$(AvaloniaVersion)">
+            <IncludeAssets Condition="'$(Configuration)' != 'Debug'">None</IncludeAssets>
+            <PrivateAssets Condition="'$(Configuration)' != 'Debug'">All</PrivateAssets>
+        </PackageReference>
+        <PackageReference Include="CommunityToolkit.Mvvm" Version="$(CommunityToolkitVersion)"/>
     </ItemGroup>
 
     <ItemGroup>
-        <ProjectReference Include="..\..\src\Semi.Avalonia.TreeDataGrid\Semi.Avalonia.TreeDataGrid.csproj" />
-        <ProjectReference Include="..\..\src\Semi.Avalonia\Semi.Avalonia.csproj" />
+        <ProjectReference Include="..\..\src\Semi.Avalonia.TreeDataGrid\Semi.Avalonia.TreeDataGrid.csproj"/>
+        <ProjectReference Include="..\..\src\Semi.Avalonia\Semi.Avalonia.csproj"/>
     </ItemGroup>
 </Project>
diff --git a/src/Semi.Avalonia.DataGrid/Semi.Avalonia.DataGrid.csproj b/src/Semi.Avalonia.DataGrid/Semi.Avalonia.DataGrid.csproj
index a4b94310..664926f7 100644
--- a/src/Semi.Avalonia.DataGrid/Semi.Avalonia.DataGrid.csproj
+++ b/src/Semi.Avalonia.DataGrid/Semi.Avalonia.DataGrid.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <Import Project="../Package.props"/>
-    
+
     <PropertyGroup>
         <Title>Semi.Avalonia.DataGrid</Title>
         <PackageReleaseNotes>Update to Semi.Avalonia.DataGrid 11.2.1.2</PackageReleaseNotes>