Upgrade to .NET 10, runner images to windows-2025, use only 26100 Windows SDK

.github/workflows/build.yml

@@ -24,7 +24,7 @@ on:
   merge_group:
 
 env:
-  DOTNET_VERSION: '9.0.310'  # Only used by jobs that cannot access global.json (no checkout/artifact-only jobs)
+  DOTNET_VERSION: '10.0.402'  # Only used by jobs that cannot access global.json (no checkout/artifact-only jobs)
 
   ENABLE_DIAGNOSTICS: true
   #COREHOST_TRACE: 1
@@ -65,7 +65,7 @@ jobs:
   # Build both Uno.UI/WinUI2/UWP and Uno.WinUI/WinUI3/WindowsAppSDK versions of our packages using a matrix
   build:
     needs: [Xaml-Style-Check]
-    runs-on: windows-2022
+    runs-on: windows-2025-large
 
     # See https://docs.github.com/actions/using-jobs/using-a-matrix-for-your-jobs
     strategy:
@@ -103,6 +103,11 @@ jobs:
             exit 1
           }
 
+      - name: Enable Windows long paths
+        shell: pwsh
+        run: |
+          Set-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem' -Name LongPathsEnabled -Value 1 -ErrorAction Stop
+
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - name: Checkout Repository
         uses: actions/checkout@v4
@@ -174,12 +179,13 @@ jobs:
           --skip vswinworkloads
           --skip vswin
           --verbose
-
+          
       - name: Add msbuild to PATH
         uses: microsoft/setup-msbuild@v2
         if: ${{ env.HAS_BUILDABLE_COMPONENTS == 'true' }}
         with:
           vs-version: '[17.9,)'
+          msbuild-architecture: x64
 
       # Generate full solution with all projects (sample gallery heads, components, tests)
       - name: Generate solution with ${{ matrix.multitarget }} gallery, components and tests
@@ -249,7 +255,7 @@ jobs:
           dotnet-dump analyze ${{ steps.filter.outputs.dump_files }} -c "clrstack" -c "pe -lines" -c "exit"
 
   package:
-    runs-on: windows-2022
+    runs-on: windows-2025-large
     needs: [build]
     strategy:
       fail-fast: false # prevent one matrix pipeline from being cancelled if one fails, we want them all to run to completion.
@@ -260,6 +266,11 @@ jobs:
       VERSION_PROPERTY: ${{ (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/heads/rel/') || startsWith(github.ref, 'refs/tags/release/')) && format('build.{0}', github.run_number) || format('pull-{0}.{1}', github.event.number, github.run_number) }}
 
     steps:
+      - name: Enable Windows long paths
+        shell: pwsh
+        run: |
+          Set-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem' -Name LongPathsEnabled -Value 1 -ErrorAction Stop
+
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - name: Checkout Repository
         uses: actions/checkout@v4
@@ -299,14 +310,11 @@ jobs:
           --skip vswin
           --verbose
 
-      - name: Install Windows SDKs
-        shell: pwsh
-        run: ./tooling/Install-WindowsSdk.ps1
-
       - name: Add msbuild to PATH
         uses: microsoft/setup-msbuild@v2
         with:
           vs-version: '[17.9,)'
+          msbuild-architecture: x64
 
       - name: Determine scheduled release commit range
         if: ${{ startsWith(github.ref, 'refs/tags/') }}
@@ -380,7 +388,7 @@ jobs:
   sign:
     needs: [package]
     if: ${{ startsWith(github.ref, 'refs/heads/rel/') || startsWith(github.ref, 'refs/tags/') }}
-    runs-on: windows-2022
+    runs-on: windows-2025
     permissions:
       id-token: write # Required for requesting the JWT
 

Directory.Build.targets

@@ -5,7 +5,6 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(Configuration)' == 'Release'">
-    <PackageReference Include="NuGet.Build.Tasks.Pack" Version="6.12.1" PrivateAssets="all" Pack="false" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
   </ItemGroup>
 

components/AppServices/src/CommunityToolkit.AppServices.csproj

@@ -18,6 +18,11 @@
   <!-- Sets this up as a toolkit component's source project -->
   <Import Project="$(ToolingDirectory)\ToolkitComponent.SourceProject.props" />
 
+  <!-- Use installed SDK metadata without requiring the targeted 17763 SDK. -->
+  <PropertyGroup Condition="'$(IsUwp)' == 'true' AND '$(MultiTargetPlatformIdentifier)' == 'windows'">
+    <CsWinRTWindowsMetadata>sdk</CsWinRTWindowsMetadata>
+  </PropertyGroup>
+
   <ItemGroup>
     <PackageReference Include="PolySharp" Version="1.13.2" PrivateAssets="All" />
   </ItemGroup>

components/DependencyPropertyGenerator/src/CommunityToolkit.WinUI.DependencyPropertyGenerator.csproj

@@ -24,6 +24,11 @@
   <!-- Sets this up as a toolkit component's source project -->
   <Import Project="$(ToolingDirectory)\ToolkitComponent.SourceProject.props" />
 
+  <!-- Use installed SDK metadata without requiring the targeted 17763 SDK. -->
+  <PropertyGroup Condition="'$(IsUwp)' == 'true' AND '$(MultiTargetPlatformIdentifier)' == 'windows'">
+    <CsWinRTWindowsMetadata>sdk</CsWinRTWindowsMetadata>
+  </PropertyGroup>
+
   <ItemGroup>
     <PackageReference Include="PolySharp" Version="1.15.0" PrivateAssets="All" />
   </ItemGroup>

components/Notifications/src/CommunityToolkit.Notifications.csproj

@@ -24,4 +24,9 @@
 
   <!-- Sets this up as a toolkit component's source project -->
   <Import Project="$(ToolingDirectory)\ToolkitComponent.SourceProject.props" />
+
+  <!-- Use installed SDK metadata without requiring the targeted 17763 SDK. -->
+  <PropertyGroup Condition="'$(IsUwp)' == 'true' AND '$(MultiTargetPlatformIdentifier)' == 'windows'">
+    <CsWinRTWindowsMetadata>sdk</CsWinRTWindowsMetadata>
+  </PropertyGroup>
 </Project>

global.json

@@ -1,10 +1,10 @@
-{
-  "sdk": {
-    "version": "9.0.310",
-    "rollForward": "latestFeature"
-  },
-  "msbuild-sdks":
-  {
-    "MSBuild.Sdk.Extras":"3.0.23"
-  }
-}
+{
+  "sdk": {
+    "version": "10.0.402",
+    "rollForward": "latestFeature"
+  },
+  "msbuild-sdks":
+  {
+    "MSBuild.Sdk.Extras":"3.0.23"
+  }
+}