diff --git a/Microsoft.Toolkit.Mvvm.SourceGenerators/Microsoft.Toolkit.Mvvm.SourceGenerators.csproj b/Microsoft.Toolkit.Mvvm.SourceGenerators/Microsoft.Toolkit.Mvvm.SourceGenerators.csproj
index fa2804b3282..b00c5c8b2f3 100644
--- a/Microsoft.Toolkit.Mvvm.SourceGenerators/Microsoft.Toolkit.Mvvm.SourceGenerators.csproj
+++ b/Microsoft.Toolkit.Mvvm.SourceGenerators/Microsoft.Toolkit.Mvvm.SourceGenerators.csproj
@@ -1,18 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
-    <LangVersion>9.0</LangVersion>
-    <Nullable>enable</Nullable>
+    <Nullable>Enable</Nullable>
     <IsPackable>false</IsPackable>
+    <TargetFramework>netstandard2.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
-    <Compile Remove="EmbeddedResources\INotifyPropertyChanged.cs" />
-    <Compile Remove="EmbeddedResources\NotNullAttribute.cs" />
-    <Compile Remove="EmbeddedResources\NotNullIfNotNullAttribute.cs" />
-    <Compile Remove="EmbeddedResources\ObservableObject.cs" />
-    <Compile Remove="EmbeddedResources\ObservableRecipient.cs" />
+    <Compile Remove="EmbeddedResources\*.cs" />
   </ItemGroup>
 
   <ItemGroup>
@@ -34,12 +29,12 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.9.0" PrivateAssets="all" Pack="false" />
+    <AdditionalFiles Include="AnalyzerReleases.Shipped.md" />
+    <AdditionalFiles Include="AnalyzerReleases.Unshipped.md" />
   </ItemGroup>
 
   <ItemGroup>
-    <AdditionalFiles Include="AnalyzerReleases.Shipped.md" />
-    <AdditionalFiles Include="AnalyzerReleases.Unshipped.md" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.9.0" PrivateAssets="All" Pack="false" />
   </ItemGroup>
 
 </Project>
diff --git a/Microsoft.Toolkit.Uwp.Notifications/Microsoft.Toolkit.Uwp.Notifications.csproj b/Microsoft.Toolkit.Uwp.Notifications/Microsoft.Toolkit.Uwp.Notifications.csproj
index abb0aa0e855..db2acbd5449 100644
--- a/Microsoft.Toolkit.Uwp.Notifications/Microsoft.Toolkit.Uwp.Notifications.csproj
+++ b/Microsoft.Toolkit.Uwp.Notifications/Microsoft.Toolkit.Uwp.Notifications.csproj
@@ -1,41 +1,40 @@
 <Project Sdk="MSBuild.Sdk.Extras">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard1.4;uap10.0.19041;net461;netcoreapp3.1;net5.0;net5.0-windows10.0.17763.0;native</TargetFrameworks>
-    <DefineConstants>$(DefineConstants);NETFX_CORE</DefineConstants>
+    <TargetFrameworks>netstandard1.4;uap10.0.19041;net461;netcoreapp3.1;net5.0;net5.0-windows10.0.17763;native</TargetFrameworks>
     <NuspecFile>Microsoft.Toolkit.Uwp.Notifications.nuspec</NuspecFile>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(TargetFramework)' == 'uap10.0.19041'">
-    <TargetPlatformVersion>10.0.19041.0</TargetPlatformVersion>
-    <TargetPlatformMinVersion>10.0.16299.0</TargetPlatformMinVersion>
+  <PropertyGroup Condition="'$(TargetFramework)' == 'uap10.0.19041' or '$(TargetFramework)' == 'native'">
+    <TargetPlatformVersion>10.0.$(TargetPlatformRevision).0</TargetPlatformVersion>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(TargetFramework)' != 'uap10.0.19041'">
+    <DefineConstants>$(DefineConstants);NETFX_CORE</DefineConstants>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(TargetFramework)' == 'net461' or '$(TargetFramework)' == 'netcoreapp3.1' or '$(TargetFramework)' == 'net5.0-windows10.0.17763.0'">
+  <PropertyGroup Condition="'$(TargetFramework)' == 'net461' or '$(TargetFramework)' == 'netcoreapp3.1' or '$(TargetFramework)' == 'net5.0-windows10.0.17763'">
     <!-- Define the WINDOWS_UWP conditional symbol, since the 'Windows.Data.Xml' and the 'Windows.UI.Notification' namespaces are available -->
     <DefineConstants>$(DefineConstants);WINDOWS_UWP;WIN32</DefineConstants>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(TargetFramework)' == 'native'">
-    <OutputType>winmdobj</OutputType>
+    <!-- Build -->
     <DebugType>Full</DebugType>
+    <OutputType>WinMDObj</OutputType>
+    <AssetTargetFallback>uap10.0</AssetTargetFallback>
+    <!-- Targets -->
     <TargetPlatformIdentifier>UAP</TargetPlatformIdentifier>
-    <!-- Workaround for issue NuGet/Home#8388; change behavior during NuGet restore time vs. final build to avoid NuGet conflict in VS 2019 -->
-    <NuGetTargetMoniker Condition="'$(DesignTimeBuild)' == 'true'">native</NuGetTargetMoniker>
-    <NuGetTargetMoniker Condition="'$(DesignTimeBuild)' != 'true'">UAP,Version=v10.0</NuGetTargetMoniker>
-    <PackageTargetFallback>uap10.0</PackageTargetFallback>
-    <TargetPlatformVersion>10.0.19041.0</TargetPlatformVersion>
     <TargetPlatformMinVersion>10.0.10240.0</TargetPlatformMinVersion>
-    <DefineConstants Condition="'$(DisableImplicitFrameworkDefines)' != 'true'">$(DefineConstants);WINDOWS_UWP;WINRT</DefineConstants>
-    <CopyLocalLockFileAssemblies Condition="'$(CopyLocalLockFileAssemblies)' == ''">false</CopyLocalLockFileAssemblies>
     <TargetFrameworkIdentifier>.NETCore</TargetFrameworkIdentifier>
     <TargetFrameworkVersion>v5.0</TargetFrameworkVersion>
+    <!-- Misc -->
+    <CopyLocalLockFileAssemblies>false</CopyLocalLockFileAssemblies>
+    <DefineConstants>$(DefineConstants);WINDOWS_UWP;WINRT</DefineConstants>
     <LanguageTargets>$(MSBuildExtensionsPath)\Microsoft\WindowsXaml\v$(VisualStudioVersion)\Microsoft.Windows.UI.Xaml.CSharp.targets</LanguageTargets>
-    <ExtrasImplicitPlatformPackageIsPrivate>true</ExtrasImplicitPlatformPackageIsPrivate>
-
-    <!-- Need to override the built-in implicit defines for UAP or it'll be NETCORE5_0. This makes it UAP10_0_10240_0 to match the rest -->
-    <ImplicitFrameworkDefine Condition="'$(DisableImplicitFrameworkDefines)' != 'true'">UAP$(TargetPlatformMinVersion.Replace('.', '_'))</ImplicitFrameworkDefine>
-    <DisableImplicitFrameworkDefines Condition="'$(DisableImplicitFrameworkDefines)' != 'true'">true</DisableImplicitFrameworkDefines>
+    <!-- Workaround for issue NuGet/Home#8388; Restore conflict in VS IDE 2019 during DesignTime vs BuildTime. -->
+    <NuGetTargetMoniker Condition="'$(DesignTimeBuild)' != 'true'">UAP,Version=v10.0</NuGetTargetMoniker>
+    <NuGetTargetMoniker Condition="'$(DesignTimeBuild)' == 'true'">Native,Version=v0.0</NuGetTargetMoniker>
   </PropertyGroup>
 
   <ItemGroup>
@@ -53,7 +52,7 @@
   </ItemGroup>
 
   <!-- The .NET Core desktop apps also need the Registry NuGet package and 'System.Reflection.Emit' for generating COM class dynamically -->
-  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1' or '$(TargetFramework)' == 'net5.0-windows10.0.17763.0'">
+  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp3.1' or '$(TargetFramework)' == 'net5.0-windows10.0.17763'">
     <PackageReference Include="Microsoft.Win32.Registry" Version="4.7.0" />
     <PackageReference Include="System.Reflection.Emit" Version="4.7.0" />
     <PackageReference Include="System.Drawing.Common" Version="4.7.0" />
diff --git a/Microsoft.Toolkit.Uwp.Notifications/Microsoft.Toolkit.Uwp.Notifications.nuspec b/Microsoft.Toolkit.Uwp.Notifications/Microsoft.Toolkit.Uwp.Notifications.nuspec
index 22a597a87df..2941f39f251 100644
--- a/Microsoft.Toolkit.Uwp.Notifications/Microsoft.Toolkit.Uwp.Notifications.nuspec
+++ b/Microsoft.Toolkit.Uwp.Notifications/Microsoft.Toolkit.Uwp.Notifications.nuspec
@@ -61,9 +61,9 @@
     <file src="$buildOutput$\net5.0\Microsoft.Toolkit.Uwp.Notifications.dll" target="lib\net5.0\Microsoft.Toolkit.Uwp.Notifications.dll" />
     <file src="$buildOutput$\net5.0\Microsoft.Toolkit.Uwp.Notifications.pdb" target="lib\net5.0\Microsoft.Toolkit.Uwp.Notifications.pdb" />
     <file src="$buildOutput$\net5.0\Microsoft.Toolkit.Uwp.Notifications.xml" target="lib\net5.0\Microsoft.Toolkit.Uwp.Notifications.xml" />
-    <file src="$buildOutput$\net5.0-windows10.0.17763.0\Microsoft.Toolkit.Uwp.Notifications.dll" target="lib\net5.0-windows10.0.17763\Microsoft.Toolkit.Uwp.Notifications.dll" />
-    <file src="$buildOutput$\net5.0-windows10.0.17763.0\Microsoft.Toolkit.Uwp.Notifications.pdb" target="lib\net5.0-windows10.0.17763\Microsoft.Toolkit.Uwp.Notifications.pdb" />
-    <file src="$buildOutput$\net5.0-windows10.0.17763.0\Microsoft.Toolkit.Uwp.Notifications.xml" target="lib\net5.0-windows10.0.17763\Microsoft.Toolkit.Uwp.Notifications.xml" />
+    <file src="$buildOutput$\net5.0-windows10.0.17763\Microsoft.Toolkit.Uwp.Notifications.dll" target="lib\net5.0-windows10.0.17763\Microsoft.Toolkit.Uwp.Notifications.dll" />
+    <file src="$buildOutput$\net5.0-windows10.0.17763\Microsoft.Toolkit.Uwp.Notifications.pdb" target="lib\net5.0-windows10.0.17763\Microsoft.Toolkit.Uwp.Notifications.pdb" />
+    <file src="$buildOutput$\net5.0-windows10.0.17763\Microsoft.Toolkit.Uwp.Notifications.xml" target="lib\net5.0-windows10.0.17763\Microsoft.Toolkit.Uwp.Notifications.xml" />
     <file src="$buildOutput$\netcoreapp3.1\Microsoft.Toolkit.Uwp.Notifications.dll" target="lib\netcoreapp3.1\Microsoft.Toolkit.Uwp.Notifications.dll" />
     <file src="$buildOutput$\netcoreapp3.1\Microsoft.Toolkit.Uwp.Notifications.pdb" target="lib\netcoreapp3.1\Microsoft.Toolkit.Uwp.Notifications.pdb" />
     <file src="$buildOutput$\netcoreapp3.1\Microsoft.Toolkit.Uwp.Notifications.xml" target="lib\netcoreapp3.1\Microsoft.Toolkit.Uwp.Notifications.xml" />
diff --git a/Microsoft.Toolkit.Uwp.SampleApp/Microsoft.Toolkit.Uwp.SampleApp.csproj b/Microsoft.Toolkit.Uwp.SampleApp/Microsoft.Toolkit.Uwp.SampleApp.csproj
index 51c13d711d8..378a67fc3ec 100644
--- a/Microsoft.Toolkit.Uwp.SampleApp/Microsoft.Toolkit.Uwp.SampleApp.csproj
+++ b/Microsoft.Toolkit.Uwp.SampleApp/Microsoft.Toolkit.Uwp.SampleApp.csproj
@@ -107,7 +107,7 @@
     </PackageReference>
     <!-- TODO Reintroduce graph controls
     <PackageReference Include="Microsoft.Toolkit.Graph.Controls">
-      <Version>6.1.0-build.6</Version>
+      <Version>7.0.0-preview2</Version>
     </PackageReference>
     -->
     <PackageReference Include="Microsoft.UI.Xaml">
@@ -1501,7 +1501,6 @@
       <Name>Visual C++ 2015 Runtime for Universal Windows Platform Apps</Name>
     </SDKReference>
   </ItemGroup>
-  <ItemGroup />
   <PropertyGroup Condition=" '$(VisualStudioVersion)' == '' or '$(VisualStudioVersion)' &lt; '14.0' ">
     <VisualStudioVersion>14.0</VisualStudioVersion>
   </PropertyGroup>
diff --git a/UnitTests/UnitTests.NetCore/UnitTests.NetCore.csproj b/UnitTests/UnitTests.NetCore/UnitTests.NetCore.csproj
index 9921a87b1a9..effdf36af1c 100644
--- a/UnitTests/UnitTests.NetCore/UnitTests.NetCore.csproj
+++ b/UnitTests/UnitTests.NetCore/UnitTests.NetCore.csproj
@@ -2,7 +2,6 @@
 
   <PropertyGroup>
     <TargetFrameworks>netcoreapp2.1;netcoreapp3.1;net5.0</TargetFrameworks>
-    <LangVersion>9.0</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/UnitTests/UnitTests.NetStandard/UnitTests.NetStandard.csproj b/UnitTests/UnitTests.NetStandard/UnitTests.NetStandard.csproj
index 2f33f86d89c..ebb93071003 100644
--- a/UnitTests/UnitTests.NetStandard/UnitTests.NetStandard.csproj
+++ b/UnitTests/UnitTests.NetStandard/UnitTests.NetStandard.csproj
@@ -2,7 +2,6 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
-    <LangVersion>9.0</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/UnitTests/UnitTests.SourceGenerators/UnitTests.SourceGenerators.csproj b/UnitTests/UnitTests.SourceGenerators/UnitTests.SourceGenerators.csproj
index 81fd8f291e2..d09b3a50f57 100644
--- a/UnitTests/UnitTests.SourceGenerators/UnitTests.SourceGenerators.csproj
+++ b/UnitTests/UnitTests.SourceGenerators/UnitTests.SourceGenerators.csproj
@@ -2,8 +2,6 @@
 
   <PropertyGroup>
     <TargetFrameworks>net5.0</TargetFrameworks>
-    <IsPackable>false</IsPackable>
-    <LangVersion>9.0</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>