microsoft · jeffkl · Nov 15, 2023 · Nov 15, 2023 · Nov 15, 2023
diff --git a/Directory.Packages.props b/Directory.Packages.props
@@ -1,20 +1,18 @@
 <Project>
   <PropertyGroup>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
-    <MicrosoftBuildPackageVersion>17.7.2</MicrosoftBuildPackageVersion>
+    <MicrosoftBuildPackageVersion Condition="'$(TargetFramework)' == 'netstandard2.0'">16.9.0</MicrosoftBuildPackageVersion>
+    <MicrosoftBuildPackageVersion Condition="'$(TargetFramework)' == 'net46'">15.9.20</MicrosoftBuildPackageVersion>
+    <MicrosoftBuildPackageVersion Condition="'$(TargetFramework)' == 'net7.0'">17.7.2</MicrosoftBuildPackageVersion>
+    <MicrosoftBuildPackageVersion>17.8.3</MicrosoftBuildPackageVersion>
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="CopyOnWrite" Version="0.3.7" Condition=" '$(TargetFramework)' != 'net46' " />
-    <PackageVersion Include="Microsoft.Build.Utilities.Core" Version="$(MicrosoftBuildPackageVersion)" />
-    <PackageVersion Update="Microsoft.Build.Utilities.Core" Version="16.9.0" Condition="'$(TargetFramework)' == 'netstandard2.0'" />
-    <PackageVersion Update="Microsoft.Build.Utilities.Core" Version="15.9.20" Condition="'$(TargetFramework)' == 'net46'" />
     <PackageVersion Include="Microsoft.Build.Tasks.Core" Version="$(MicrosoftBuildPackageVersion)" />
-    <PackageVersion Update="Microsoft.Build.Tasks.Core" Version="16.9.0" Condition="'$(TargetFramework)' == 'netstandard2.0'" />
-    <PackageVersion Update="Microsoft.Build.Tasks.Core" Version="15.9.20" Condition="'$(TargetFramework)' == 'net46'" />
     <PackageVersion Include="Microsoft.Win32.Registry" Version="5.0.0" />
     <PackageVersion Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageVersion Include="System.CodeDom" Version="7.0.0" />
-    <PackageVersion Include="System.Threading.Tasks.Dataflow" Version="6.0.0" Condition=" '$(TargetFramework)' != 'net46' " />
+    <PackageVersion Include="System.Threading.Tasks.Dataflow" Version="7.0.0" Condition=" '$(TargetFramework)' != 'net46' " />
     <PackageVersion Include="System.Threading.Tasks.Dataflow" Version="4.11.1" Condition=" '$(TargetFramework)' == 'net46' " />
   </ItemGroup>
   <ItemGroup Condition="'$(IsTestProject)' == 'true'">

diff --git a/azure-pipelines-official.yml b/azure-pipelines-official.yml
@@ -61,7 +61,6 @@ stages:
       displayName: 'Install .NET $(DotNetVersion)'
       inputs:
         version: '$(DotNetVersion)'
-        includePreviewVersions: true
 
     - task: MicroBuildSigningPlugin@4
       displayName: 'Install MicroBuild Signing Plugin'

diff --git a/azure-pipelines.yml b/azure-pipelines.yml
@@ -7,6 +7,7 @@ variables:
   BuildPlatform: 'Any CPU'
   DotNet6Version: '6.x'
   DotNet7Version: '7.x'
+  DotNet8Version: '8.x'
   MSBuildArgs: '"/p:Platform=$(BuildPlatform)" "/p:Configuration=$(BuildConfiguration)" "/BinaryLogger:$(Build.SourcesDirectory)\$(ArtifactsDirectoryName)\msbuild.binlog"'
   SignType: 'Test'
 
@@ -45,6 +46,11 @@ jobs:
     inputs:
       version: '$(DotNet7Version)'
 
+  - task: UseDotNet@2
+    displayName: 'Install .NET $(DotNet8Version)'
+    inputs:
+      version: '$(DotNet8Version)'
+
   - task: DotNetCoreCLI@2
     displayName: 'Build Solution'
     inputs:
@@ -75,6 +81,14 @@ jobs:
       testRunTitle: 'Windows .NET 7.0'
     condition: succeededOrFailed()
 
+  - task: DotNetCoreCLI@2
+    displayName: 'Run Unit Tests (.NET 8.0)'
+    inputs:
+      command: 'test'
+      arguments: '--no-restore --no-build --framework net8.0 /noautorsp'
+      testRunTitle: 'Windows .NET 8.0'
+    condition: succeededOrFailed()
+
   - task: PublishBuildArtifacts@1
     displayName: 'Publish Artifacts'
     inputs:
@@ -98,6 +112,11 @@ jobs:
     inputs:
       version: '$(DotNet7Version)'
 
+  - task: UseDotNet@2
+    displayName: 'Install .NET $(DotNet8Version)'
+    inputs:
+      version: '$(DotNet8Version)'
+
   - task: DotNetCoreCLI@2
     displayName: 'dotnet build'
     inputs:
@@ -120,6 +139,14 @@ jobs:
       testRunTitle: 'Linux .NET 7.0'
     condition: succeededOrFailed()
 
+  - task: DotNetCoreCLI@2
+    displayName: 'Run Unit Tests (.NET 8.0)'
+    inputs:
+      command: 'test'
+      arguments: '--no-restore --no-build --framework net8.0 /noautorsp'
+      testRunTitle: 'Linux .NET 8.0'
+    condition: succeededOrFailed()
+
   - task: PublishBuildArtifacts@1
     displayName: 'Publish Artifacts'
     inputs:
@@ -143,6 +170,11 @@ jobs:
     inputs:
       version: '$(DotNet7Version)'
 
+  - task: UseDotNet@2
+    displayName: 'Install .NET $(DotNet8Version)'
+    inputs:
+      version: '$(DotNet8Version)'
+
   - task: DotNetCoreCLI@2
     displayName: 'dotnet build'
     inputs:
@@ -165,6 +197,14 @@ jobs:
       testRunTitle: 'MacOS .NET 7.0'
     condition: succeededOrFailed()
 
+  - task: DotNetCoreCLI@2
+    displayName: 'Run Unit Tests (.NET 8.0)'
+    inputs:
+      command: 'test'
+      arguments: '--no-restore --no-build --framework net8.0 /noautorsp'
+      testRunTitle: 'MacOS .NET 8.0'
+    condition: succeededOrFailed()
+
   - task: PublishBuildArtifacts@1
     displayName: 'Publish Artifacts'
     inputs:

diff --git a/global.json b/global.json
@@ -1,8 +1,7 @@
 {
   "sdk": {
-    "version": "7.0.100",
-    "rollForward": "latestMajor",
-    "allowPrerelease": true
+    "version": "8.0.100",
+    "rollForward": "latestMinor"
   },
   "msbuild-sdks": {
     "Microsoft.Build.NoTargets": "3.7.0"

diff --git a/src/Artifacts.UnitTests/Microsoft.Build.Artifacts.UnitTests.csproj b/src/Artifacts.UnitTests/Microsoft.Build.Artifacts.UnitTests.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;net6.0;net7.0</TargetFrameworks>
+    <TargetFrameworks>net472;net6.0;net7.0;net8.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="AssemblyShader" />

diff --git a/src/Artifacts/Microsoft.Build.Artifacts.csproj b/src/Artifacts/Microsoft.Build.Artifacts.csproj
@@ -18,7 +18,7 @@
     <PackageReference Include="CopyOnWrite"
                       GeneratePathProperty="True"
                       PrivateAssets="All" />
-    <PackageReference Include="Microsoft.Build.Utilities.Core"
+    <PackageReference Include="Microsoft.Build.Tasks.Core"
                       ExcludeAssets="Runtime"
                       PrivateAssets="All" />
     <PackageReference Include="System.Threading.Tasks.Dataflow"

diff --git a/src/CentralPackageVersions.UnitTests/Microsoft.Build.CentralPackageVersions.UnitTests.csproj b/src/CentralPackageVersions.UnitTests/Microsoft.Build.CentralPackageVersions.UnitTests.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;net6.0;net7.0</TargetFrameworks>
+    <TargetFrameworks>net472;net6.0;net7.0;net8.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" />

diff --git a/src/CopyOnWrite.UnitTests/Microsoft.Build.CopyOnWrite.UnitTests.csproj b/src/CopyOnWrite.UnitTests/Microsoft.Build.CopyOnWrite.UnitTests.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;net6.0;net7.0</TargetFrameworks>
+    <TargetFrameworks>net472;net6.0;net7.0;net8.0</TargetFrameworks>
     <Nullable>Enable</Nullable>
   </PropertyGroup>
   <ItemGroup>

diff --git a/src/CopyOnWrite/MSBuild/NativeMethods.cs b/src/CopyOnWrite/MSBuild/NativeMethods.cs
@@ -105,7 +105,7 @@ internal static bool IsMaxPathLegacyWindows()
 
     private static bool IsLongPathsEnabledRegistry()
     {
-        using (RegistryKey fileSystemKey = Registry.LocalMachine.OpenSubKey(WINDOWS_FILE_SYSTEM_REGISTRY_KEY))
+        using (RegistryKey? fileSystemKey = Registry.LocalMachine.OpenSubKey(WINDOWS_FILE_SYSTEM_REGISTRY_KEY))
         {
             object? longPathsEnabledValue = fileSystemKey?.GetValue(WINDOWS_LONG_PATHS_ENABLED_VALUE_NAME, 0);
             return fileSystemKey != null && Convert.ToInt32(longPathsEnabledValue) == 1;

diff --git a/src/NoTargets.UnitTests/Microsoft.Build.NoTargets.UnitTests.csproj b/src/NoTargets.UnitTests/Microsoft.Build.NoTargets.UnitTests.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;net6.0;net7.0</TargetFrameworks>
+    <TargetFrameworks>net472;net6.0;net7.0;net8.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="AssemblyShader" />

diff --git a/src/NoTargets.UnitTests/NoTargetsTests.cs b/src/NoTargets.UnitTests/NoTargetsTests.cs
@@ -89,10 +89,12 @@ public void DoNotReferenceOutputAssemblies()
         {
             ProjectCreator projectA = ProjectCreator.Templates.SdkCsproj(
                     path: Path.Combine(TestRootPath, "ProjectA", "ProjectA.csproj"),
-#if NETFRAMEWORK || NET7_0
-                    targetFramework: "net7.0")
+#if NETFRAMEWORK || NET8_0
+                    targetFramework: "net8.0")
 #elif NET6_0
                     targetFramework: "net6.0")
+#elif NET7_0
+                    targetFramework: "net7.0")
 #endif
                 .Save();
 

diff --git a/src/Traversal.UnitTests/Microsoft.Build.Traversal.UnitTests.csproj b/src/Traversal.UnitTests/Microsoft.Build.Traversal.UnitTests.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net472;net6.0;net7.0</TargetFrameworks>
+    <TargetFrameworks>net472;net6.0;net7.0;net8.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="AssemblyShader" />