use stable Angle.

samples/ControlCatalog.NetCore/ControlCatalog.NetCore.csproj

@@ -13,7 +13,7 @@
     <ProjectReference Include="..\ControlCatalog\ControlCatalog.csproj" />
     <ProjectReference Include="..\..\src\Avalonia.Desktop\Avalonia.Desktop.csproj" />
     <ProjectReference Include="..\..\src\Avalonia.X11\Avalonia.X11.csproj" />
-    <PackageReference Include="Avalonia.Angle.Windows.Natives" Version="2.1.0.2020091703" />
+    <PackageReference Include="Avalonia.Angle.Windows.Natives" Version="2.1.0.2020091801" />
   </ItemGroup>
 
 

samples/interop/NativeEmbedSample/NativeEmbedSample.csproj

@@ -13,7 +13,7 @@
     <ProjectReference Include="..\..\..\src\Windows\Avalonia.Direct2D1\Avalonia.Direct2D1.csproj" />
     <ProjectReference Include="..\..\..\src\Avalonia.Diagnostics\Avalonia.Diagnostics.csproj" />
     <ProjectReference Include="..\..\..\src\Avalonia.X11\Avalonia.X11.csproj" />
-    <PackageReference Include="Avalonia.Angle.Windows.Natives" Version="2.1.0.2019013001" />
+    <PackageReference Include="Avalonia.Angle.Windows.Natives" Version="2.1.0.2020091801" />
 
     <AvaloniaResource Include="**\*.xaml">
       <SubType>Designer</SubType>

src/Windows/Avalonia.Win32/Avalonia.Win32.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\packages\Avalonia\Avalonia.csproj" />
-    <PackageReference Include="Avalonia.Angle.Windows.Natives" Version="2.1.0.2019013001" />
+    <PackageReference Include="Avalonia.Angle.Windows.Natives" Version="2.1.0.2020091801" />
     <PackageReference Include="Microsoft.Windows.SDK.NET" Version="10.0.18362.3-preview" />
   </ItemGroup>
   <Import Project="$(MSBuildThisFileDirectory)\..\..\..\build\System.Drawing.Common.props" />    

src/tools/Avalonia.Designer.HostApp/Avalonia.Designer.HostApp.csproj

@@ -24,7 +24,7 @@
     <Compile Include="..\..\..\src\Markup\Avalonia.Markup.Xaml.Loader\AvaloniaXamlIlRuntimeCompiler.cs" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Avalonia.Angle.Windows.Natives" Version="2.1.0.2020091703" />
+    <PackageReference Include="Avalonia.Angle.Windows.Natives" Version="2.1.0.2020091801" />
   </ItemGroup>
   <Import Project="..\..\..\build\NetFX.props" />
 </Project>