diff --git a/.github/workflows/DevHome-CI.yml b/.github/workflows/DevHome-CI.yml
index e808d2a70d..8290067b59 100644
--- a/.github/workflows/DevHome-CI.yml
+++ b/.github/workflows/DevHome-CI.yml
@@ -72,7 +72,7 @@ jobs:
     - name: Compress_DevSetupAgent_x86
       if: ${{ matrix.platform != 'arm64' }}
       shell: pwsh
-      run: Compress-Archive -Force -Path HyperVExtension\src\DevSetupAgent\bin\x86\${{ matrix.configuration }}\net8.0-windows10.0.22000.0\win10-x86\* -DestinationPath "HyperVExtension\src\DevSetupAgent\bin\x86\${{ matrix.configuration }}\DevSetupAgent_x86.zip"
+      run: Compress-Archive -Force -Path HyperVExtension\src\DevSetupAgent\bin\x86\${{ matrix.configuration }}\net8.0-windows10.0.22621.0\win10-x86\* -DestinationPath "HyperVExtension\src\DevSetupAgent\bin\x86\${{ matrix.configuration }}\DevSetupAgent_x86.zip"
 
     - name: Build_DevSetupAgent_arm64
       if: ${{ matrix.platform == 'arm64' }}
@@ -81,7 +81,7 @@ jobs:
     - name: Compress_DevSetupAgent_arm64
       if: ${{ matrix.platform == 'arm64' }}
       shell: pwsh
-      run: Compress-Archive -Force -Path HyperVExtension\src\DevSetupAgent\bin\arm64\${{ matrix.configuration }}\net8.0-windows10.0.22000.0\win10-arm64\* -DestinationPath "HyperVExtension\src\DevSetupAgent\bin\arm64\${{ matrix.configuration }}\DevSetupAgent_arm64.zip"
+      run: Compress-Archive -Force -Path HyperVExtension\src\DevSetupAgent\bin\arm64\${{ matrix.configuration }}\net8.0-windows10.0.22621.0\win10-arm64\* -DestinationPath "HyperVExtension\src\DevSetupAgent\bin\arm64\${{ matrix.configuration }}\DevSetupAgent_arm64.zip"
 
     - name: Build_DevHome
       run: cmd /c "$env:VSDevCmd" "&" msbuild /p:Configuration=${{ matrix.configuration }},Platform=${{ matrix.platform }} DevHome.sln
@@ -96,11 +96,11 @@ jobs:
 
     - name: DevHome UnitTests
       if: ${{ matrix.platform != 'arm64' }}
-      run: cmd /c "$env:VSDevTestCmd" /Platform:${{ matrix.platform }} test\\bin\\${{ matrix.platform }}\\${{ matrix.configuration }}\\net8.0-windows10.0.22000.0\\DevHome.Test.dll
+      run: cmd /c "$env:VSDevTestCmd" /Platform:${{ matrix.platform }} test\\bin\\${{ matrix.platform }}\\${{ matrix.configuration }}\\net8.0-windows10.0.22621.0\\DevHome.Test.dll
 
     - name: Tools UnitTests
       if: ${{ matrix.platform != 'arm64' }}
       run: |
-        foreach ($UnitTestPath in (Get-ChildItem "tools\\*\\*UnitTest\\bin\\${{ matrix.platform }}\\${{ matrix.configuration }}\\net8.0-windows10.0.22000.0\\*.UnitTest.dll")) {
+        foreach ($UnitTestPath in (Get-ChildItem "tools\\*\\*UnitTest\\bin\\${{ matrix.platform }}\\${{ matrix.configuration }}\\net8.0-windows10.0.22621.0\\*.UnitTest.dll")) {
           cmd /c "$env:VSDevTestCmd" /Platform:${{ matrix.platform }} $UnitTestPath.FullName
         }
diff --git a/HyperVExtension/BuildDevSetupAgentHelper.ps1 b/HyperVExtension/BuildDevSetupAgentHelper.ps1
index 3af8871493..4d64e35c69 100644
--- a/HyperVExtension/BuildDevSetupAgentHelper.ps1
+++ b/HyperVExtension/BuildDevSetupAgentHelper.ps1
@@ -92,7 +92,8 @@ Try {
 
   & $msbuildPath $msbuildArgs
 
-  $binariesOutputPath = (Join-Path $env:Build_RootDirectory "HyperVExtension\src\DevSetupAgent\bin\$Platform\$Configuration\net8.0-windows10.0.22000.0\win10-$Platform\*")
+# SDK version and .NEt version needs to stay in sync with ToolingVersion.props, DevSetupEngineIdl.vcxproj, and DevHome-CL.yaml
+  $binariesOutputPath = (Join-Path $env:Build_RootDirectory "HyperVExtension\src\DevSetupAgent\bin\$Platform\$Configuration\net8.0-windows10.0.22621.0\win10-$Platform\*")
   $zipOutputPath = (Join-Path $env:Build_RootDirectory "HyperVExtension\src\DevSetupAgent\bin\$Platform\$Configuration\DevSetupAgent_$Platform.zip")
 
   Compress-Archive -Force -Path $binariesOutputPath $zipOutputPath
diff --git a/HyperVExtension/ToolingVersions.props b/HyperVExtension/ToolingVersions.props
index 955145dbd2..a7d64c4b61 100644
--- a/HyperVExtension/ToolingVersions.props
+++ b/HyperVExtension/ToolingVersions.props
@@ -2,7 +2,8 @@
 <!-- Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT License. See LICENSE-CODE in the project root for license information. -->
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup Label="Globals">
-    <TargetFramework>net8.0-windows10.0.22000.0</TargetFramework>
+  <!-- SDK version and .NEt version needs to stay in sync with BuildDevSetupAgentHelper.ps1.props, DevSetupEngineIdl.vcxproj, and DevHome-CL.yaml-->
+    <TargetFramework>net8.0-windows10.0.22621.0</TargetFramework>
     <TargetPlatformMinVersion>10.0.19041.0</TargetPlatformMinVersion>
     <SupportedOSPlatformVersion>10.0.19041.0</SupportedOSPlatformVersion>
   </PropertyGroup>
diff --git a/HyperVExtension/src/DevSetupEngineIdl/DevSetupEngineIdl.vcxproj b/HyperVExtension/src/DevSetupEngineIdl/DevSetupEngineIdl.vcxproj
index 2463f6251e..b021d874f9 100644
--- a/HyperVExtension/src/DevSetupEngineIdl/DevSetupEngineIdl.vcxproj
+++ b/HyperVExtension/src/DevSetupEngineIdl/DevSetupEngineIdl.vcxproj
@@ -15,7 +15,8 @@
     <AppContainerApplication>true</AppContainerApplication>
     <ApplicationType>Windows Store</ApplicationType>
     <ApplicationTypeRevision>10.0</ApplicationTypeRevision>
-    <WindowsTargetPlatformVersion Condition=" '$(WindowsTargetPlatformVersion)' == '' ">10.0.22000.0</WindowsTargetPlatformVersion>
+    <!-- SDK version needs to stay in sync with ToolingVersion.props, and BuildDevSetupAgentHelper.ps1 -->
+    <WindowsTargetPlatformVersion Condition=" '$(WindowsTargetPlatformVersion)' == '' ">10.0.22621.0</WindowsTargetPlatformVersion>
     <WindowsTargetPlatformMinVersion>10.0.17763.0</WindowsTargetPlatformMinVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
diff --git a/HyperVExtension/src/HyperVExtension.HostGuestCommunication/HyperVExtension.HostGuestCommunication.csproj b/HyperVExtension/src/HyperVExtension.HostGuestCommunication/HyperVExtension.HostGuestCommunication.csproj
index 4c9e50622e..c557df9525 100644
--- a/HyperVExtension/src/HyperVExtension.HostGuestCommunication/HyperVExtension.HostGuestCommunication.csproj
+++ b/HyperVExtension/src/HyperVExtension.HostGuestCommunication/HyperVExtension.HostGuestCommunication.csproj
@@ -11,7 +11,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Windows.CsWin32" Version="0.2.206-beta" />
     <PackageReference Include="Microsoft.Windows.CsWinRT" Version="2.0.2" />
-    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.5.240227000" />
+    <PackageReference Include="Microsoft.WindowsAppSDK" Version="1.5.240311000" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="6.0.1" />
     <PackageReference Include="Serilog" Version="3.1.1" />
     <PackageReference Include="Serilog.Extensions.Logging" Version="8.0.0" />
diff --git a/Test.ps1 b/Test.ps1
index ad9bd162eb..0eedef88c7 100644
--- a/Test.ps1
+++ b/Test.ps1
@@ -103,12 +103,12 @@ try {
             $vstestArgs = @(
                 "/Platform:$platform",
                 "/Logger:trx;LogFileName=DevHome.Test-$platform-$configuration.trx",
-                "test\bin\$platform\$configuration\net8.0-windows10.0.22000.0\DevHome.Test.dll"
+                "test\bin\$platform\$configuration\net8.0-windows10.0.22621.0\DevHome.Test.dll"
             )
             $winAppTestArgs = @(
                 "/Platform:$platform",
                 "/Logger:trx;LogFileName=DevHome.UITest-$platform-$configuration.trx",
-                "uitest\bin\$platform\$configuration\net8.0-windows10.0.22000.0\DevHome.UITest.dll"
+                "uitest\bin\$platform\$configuration\net8.0-windows10.0.22621.0\DevHome.UITest.dll"
             )
 
             & $vstestPath $vstestArgs
@@ -122,13 +122,13 @@ try {
                 $vstestArgs = @(
                     "/Platform:$platform",
                     "/Logger:trx;LogFileName=$tool.Test-$platform-$configuration.trx",
-                    "tools\$tool\*UnitTest\bin\$platform\$configuration\net8.0-windows10.0.22000.0\*.UnitTest.dll"
+                    "tools\$tool\*UnitTest\bin\$platform\$configuration\net8.0-windows10.0.22621.0\*.UnitTest.dll"
                 )
 
                 $winAppTestArgs = @(
                     "/Platform:$platform",
                     "/Logger:trx;LogFileName=$tool.UITest-$platform-$configuration.trx",
-                    "tools\$tool\*UITest\bin\$platform\$configuration\net8.0-windows10.0.22000.0\*.UITest.dll"
+                    "tools\$tool\*UITest\bin\$platform\$configuration\net8.0-windows10.0.22621.0\*.UITest.dll"
                 )
 
                 & $vstestPath $vstestArgs
diff --git a/ToolingVersions.props b/ToolingVersions.props
index 955145dbd2..c00c42af11 100644
--- a/ToolingVersions.props
+++ b/ToolingVersions.props
@@ -2,7 +2,8 @@
 <!-- Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT License. See LICENSE-CODE in the project root for license information. -->
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup Label="Globals">
-    <TargetFramework>net8.0-windows10.0.22000.0</TargetFramework>
+  <!-- Please keep the .NET version and SDK version is sync with HyperVExtension/ToolingVersion.props.-->
+    <TargetFramework>net8.0-windows10.0.22621.0</TargetFramework>
     <TargetPlatformMinVersion>10.0.19041.0</TargetPlatformMinVersion>
     <SupportedOSPlatformVersion>10.0.19041.0</SupportedOSPlatformVersion>
   </PropertyGroup>
diff --git a/build/scripts/Create-AppxBundle.ps1 b/build/scripts/Create-AppxBundle.ps1
index 9800fde645..7a77caa83b 100644
--- a/build/scripts/Create-AppxBundle.ps1
+++ b/build/scripts/Create-AppxBundle.ps1
@@ -22,7 +22,7 @@ Param(
     [Parameter(HelpMessage="Path to makeappx.exe")]
     [ValidateScript({Test-Path $_ -Type Leaf})]
     [string]
-    $MakeAppxPath = "C:\Program Files (x86)\Windows Kits\10\bin\10.0.22000.0\x86\MakeAppx.exe"
+    $MakeAppxPath = "C:\Program Files (x86)\Windows Kits\10\bin\10.0.22621.0\x86\MakeAppx.exe"
 )
 
 If ($null -Eq (Get-Item $MakeAppxPath -EA:SilentlyContinue)) {
diff --git a/build/scripts/UnbundleStubPackage.ps1 b/build/scripts/UnbundleStubPackage.ps1
index e3b2e42be2..e217584eb0 100644
--- a/build/scripts/UnbundleStubPackage.ps1
+++ b/build/scripts/UnbundleStubPackage.ps1
@@ -10,7 +10,7 @@ param(
     [Parameter(HelpMessage="Path to makeappx.exe")]
     [ValidateScript({Test-Path $_ -Type Leaf})]
     [string]
-    $MakeAppxPath = "C:\Program Files (x86)\Windows Kits\10\bin\10.0.22000.0\x86\MakeAppx.exe"
+    $MakeAppxPath = "C:\Program Files (x86)\Windows Kits\10\bin\10.0.22621.0\x86\MakeAppx.exe"
 )
 
 function Unbundle-AppxBundle
diff --git a/common/DevHome.Common.csproj b/common/DevHome.Common.csproj
index 288165130f..f9b8d6bf65 100644
--- a/common/DevHome.Common.csproj
+++ b/common/DevHome.Common.csproj
@@ -28,11 +28,12 @@
     <PackageReference Include="CommunityToolkit.Common" Version="8.2.2" />
     <PackageReference Include="CommunityToolkit.Labs.WinUI.Shimmer" Version="0.1.230830" />
     <PackageReference Include="CommunityToolkit.Mvvm" Version="8.2.2" />
-    <PackageReference Include="CommunityToolkit.WinUI.Animations" Version="8.0.240109" />
-    <PackageReference Include="CommunityToolkit.WinUI.Behaviors" Version="8.0.240109" />
+    <PackageReference Include="CommunityToolkit.WinUI.Animations" Version="8.1.240328-rc" />
+    <PackageReference Include="CommunityToolkit.WinUI.Behaviors" Version="8.1.240328-rc" />
+    <PackageReference Include="CommunityToolkit.WinUI.Collections" Version="8.1.240328-rc" />
     <PackageReference Include="CommunityToolkit.WinUI.Controls.Primitives" Version="8.0.240109" />
-    <PackageReference Include="CommunityToolkit.WinUI.Controls.Segmented" Version="8.0.240109" />
-    <PackageReference Include="CommunityToolkit.WinUI.Converters" Version="8.0.240109" />
+    <PackageReference Include="CommunityToolkit.WinUI.Controls.Segmented" Version="8.1.240328-rc" />
+    <PackageReference Include="CommunityToolkit.WinUI.Converters" Version="8.1.240328-rc" />
     <PackageReference Include="CommunityToolkit.WinUI.Controls.SettingsControls" Version="8.0.240109" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
     <PackageReference Include="Microsoft.Internal.Windows.DevHome.Helpers" Version="1.0.20240311-x1907" />
diff --git a/tools/Environments/DevHome.Environments/DevHome.Environments.csproj b/tools/Environments/DevHome.Environments/DevHome.Environments.csproj
index 6cb1a03af3..3bfdf0d8a1 100644
--- a/tools/Environments/DevHome.Environments/DevHome.Environments.csproj
+++ b/tools/Environments/DevHome.Environments/DevHome.Environments.csproj
@@ -9,7 +9,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="CommunityToolkit.WinUI.Collections" Version="8.0.240109" />
     <PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.22621.2428" />
     <PackageReference Include="Serilog" Version="3.1.1" />
     <PackageReference Include="Serilog.Extensions.Logging" Version="8.0.0" />
diff --git a/tools/QuietBackgroundProcesses/DevHome.QuietBackgroundProcesses.Common/DevHome.QuietBackgroundProcesses.Common.vcxproj b/tools/QuietBackgroundProcesses/DevHome.QuietBackgroundProcesses.Common/DevHome.QuietBackgroundProcesses.Common.vcxproj
index 9e1e35bf1c..54ea440e67 100644
--- a/tools/QuietBackgroundProcesses/DevHome.QuietBackgroundProcesses.Common/DevHome.QuietBackgroundProcesses.Common.vcxproj
+++ b/tools/QuietBackgroundProcesses/DevHome.QuietBackgroundProcesses.Common/DevHome.QuietBackgroundProcesses.Common.vcxproj
@@ -18,7 +18,7 @@
     <AppContainerApplication>true</AppContainerApplication>
     <ApplicationType>Windows Store</ApplicationType>
     <ApplicationTypeRevision>10.0</ApplicationTypeRevision>
-    <WindowsTargetPlatformVersion Condition=" '$(WindowsTargetPlatformVersion)' == '' ">10.0.22000.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion Condition=" '$(WindowsTargetPlatformVersion)' == '' ">10.0.22621.0</WindowsTargetPlatformVersion>
     <WindowsTargetPlatformMinVersion>10.0.17134.0</WindowsTargetPlatformMinVersion>
     <WindowsAppContainer>false</WindowsAppContainer>
     <MdmergeMergedDir>AnyCPU\$(Configuration)\Merged\</MdmergeMergedDir>
diff --git a/tools/QuietBackgroundProcesses/DevHome.QuietBackgroundProcesses.ElevatedServer/DevHome.QuietBackgroundProcesses.ElevatedServer.vcxproj b/tools/QuietBackgroundProcesses/DevHome.QuietBackgroundProcesses.ElevatedServer/DevHome.QuietBackgroundProcesses.ElevatedServer.vcxproj
index 20a59ef064..001ddcadaa 100644
--- a/tools/QuietBackgroundProcesses/DevHome.QuietBackgroundProcesses.ElevatedServer/DevHome.QuietBackgroundProcesses.ElevatedServer.vcxproj
+++ b/tools/QuietBackgroundProcesses/DevHome.QuietBackgroundProcesses.ElevatedServer/DevHome.QuietBackgroundProcesses.ElevatedServer.vcxproj
@@ -19,7 +19,7 @@
     <AppContainerApplication>true</AppContainerApplication>
     <ApplicationType>Windows Store</ApplicationType>
     <ApplicationTypeRevision>10.0</ApplicationTypeRevision>
-    <WindowsTargetPlatformVersion Condition=" '$(WindowsTargetPlatformVersion)' == '' ">10.0.22000.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion Condition=" '$(WindowsTargetPlatformVersion)' == '' ">10.0.22621.0</WindowsTargetPlatformVersion>
     <WindowsTargetPlatformMinVersion>10.0.17134.0</WindowsTargetPlatformMinVersion>
     <WindowsAppContainer>false</WindowsAppContainer>
     <DesktopCompatible>true</DesktopCompatible>
diff --git a/tools/QuietBackgroundProcesses/DevHome.QuietBackgroundProcesses.Server/DevHome.QuietBackgroundProcesses.Server.vcxproj b/tools/QuietBackgroundProcesses/DevHome.QuietBackgroundProcesses.Server/DevHome.QuietBackgroundProcesses.Server.vcxproj
index 3ac52689ff..18921b5ff6 100644
--- a/tools/QuietBackgroundProcesses/DevHome.QuietBackgroundProcesses.Server/DevHome.QuietBackgroundProcesses.Server.vcxproj
+++ b/tools/QuietBackgroundProcesses/DevHome.QuietBackgroundProcesses.Server/DevHome.QuietBackgroundProcesses.Server.vcxproj
@@ -19,7 +19,7 @@
     <AppContainerApplication>true</AppContainerApplication>
     <ApplicationType>Windows Store</ApplicationType>
     <ApplicationTypeRevision>10.0</ApplicationTypeRevision>
-    <WindowsTargetPlatformVersion Condition=" '$(WindowsTargetPlatformVersion)' == '' ">10.0.22000.0</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion Condition=" '$(WindowsTargetPlatformVersion)' == '' ">10.0.22621.0</WindowsTargetPlatformVersion>
     <WindowsTargetPlatformMinVersion>10.0.17134.0</WindowsTargetPlatformMinVersion>
     <WindowsAppContainer>false</WindowsAppContainer>
     <OutDir>$(CppOutDir)</OutDir>
diff --git a/tools/SetupFlow/DevHome.SetupFlow/DevHome.SetupFlow.csproj b/tools/SetupFlow/DevHome.SetupFlow/DevHome.SetupFlow.csproj
index ceb04bc39e..29cc40326e 100644
--- a/tools/SetupFlow/DevHome.SetupFlow/DevHome.SetupFlow.csproj
+++ b/tools/SetupFlow/DevHome.SetupFlow/DevHome.SetupFlow.csproj
@@ -8,9 +8,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="CommunityToolkit.WinUI.Collections" Version="8.0.240109" />
-    <PackageReference Include="CommunityToolkit.WinUI.Extensions" Version="8.0.240109" />
-    <PackageReference Include="CommunityToolkit.WinUI.UI.Controls.DataGrid" Version="7.1.2" />
     <PackageReference Include="LibGit2Sharp" Version="0.27.0-preview-0182" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
     <PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.22621.2428" />