[main] Source code updates from dotnet/dotnet (#2756)

dotnet-maestro[bot] · web-flow · commit 702b2bbdd795 · 2026-01-14T10:48:19.000-08:00
* Backflow from https://github.com/dotnet/dotnet / 7b9ad20 build 296906 [[ commit created by automation ]] * Update dependencies --------- Co-authored-by: dotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>
diff --git a/NuGet.config b/NuGet.config
@@ -6,6 +6,7 @@
     <add key="dotnet-eng" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json" />
     <add key="dotnet-tools" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json" />
     <add key="dotnet-libraries" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-libraries/nuget/v3/index.json" />
+    <add key="dotnet11" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet11/nuget/v3/index.json" />
   </packageSources>
   <disabledPackageSources />
 </configuration>
diff --git a/eng/Version.Details.props b/eng/Version.Details.props
@@ -6,7 +6,7 @@ This file should be imported by eng/Versions.props
 <Project>
   <PropertyGroup>
     <!-- dotnet/dotnet dependencies -->
-    <MicrosoftDotNetArcadeSdkPackageVersion>11.0.0-beta.25574.108</MicrosoftDotNetArcadeSdkPackageVersion>
+    <MicrosoftDotNetArcadeSdkPackageVersion>11.0.0-beta.26062.101</MicrosoftDotNetArcadeSdkPackageVersion>
   </PropertyGroup>
   <!--Property group for alternate package version names-->
   <PropertyGroup>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
-  <Source Uri="https://github.com/dotnet/dotnet" Mapping="command-line-api" Sha="d119b40e8ff3b88f87ad60b04c807233a159b197" BarId="292184" />
+  <Source Uri="https://github.com/dotnet/dotnet" Mapping="command-line-api" Sha="7b9ad20ba1d45df5a99fdd9dedbf3bfe6a6fc24f" BarId="296906" />
   <ProductDependencies>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="11.0.0-beta.25574.108">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="11.0.0-beta.26062.101">
       <Uri>https://github.com/dotnet/dotnet</Uri>
-      <Sha>d119b40e8ff3b88f87ad60b04c807233a159b197</Sha>
+      <Sha>7b9ad20ba1d45df5a99fdd9dedbf3bfe6a6fc24f</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/common/core-templates/job/job.yml b/eng/common/core-templates/job/job.yml
@@ -73,6 +73,8 @@ jobs:
     templateContext: ${{ parameters.templateContext }}
 
   variables:
+  - name: AllowPtrToDetectTestRunRetryFiles
+    value: true
   - ${{ if ne(parameters.enableTelemetry, 'false') }}:
     - name: DOTNET_CLI_TELEMETRY_PROFILE
       value: '$(Build.Repository.Uri)'
diff --git a/eng/common/core-templates/job/source-index-stage1.yml b/eng/common/core-templates/job/source-index-stage1.yml
@@ -3,7 +3,7 @@ parameters:
   sourceIndexBuildCommand: powershell -NoLogo -NoProfile -ExecutionPolicy Bypass -Command "eng/common/build.ps1 -restore -build -binarylog -ci"
   preSteps: []
   binlogPath: artifacts/log/Debug/Build.binlog
-  condition: ''
+  condition: eq(variables['Build.SourceBranch'], 'refs/heads/main')
   dependsOn: ''
   pool: ''
   is1ESPipeline: ''
@@ -25,10 +25,10 @@ jobs:
     pool:
       ${{ if eq(variables['System.TeamProject'], 'public') }}:
         name: $(DncEngPublicBuildPool)
-        image: windows.vs2022.amd64.open
+        image: windows.vs2026preview.scout.amd64.open
       ${{ if eq(variables['System.TeamProject'], 'internal') }}:
         name: $(DncEngInternalBuildPool)
-        image: windows.vs2022.amd64
+        image: windows.vs2026preview.scout.amd64
 
   steps:
   - ${{ if eq(parameters.is1ESPipeline, '') }}:
@@ -41,4 +41,4 @@ jobs:
 
   - template: /eng/common/core-templates/steps/source-index-stage1-publish.yml
     parameters:
-      binLogPath: ${{ parameters.binLogPath }}
+      binLogPath: ${{ parameters.binLogPath }}
diff --git a/eng/common/core-templates/post-build/post-build.yml b/eng/common/core-templates/post-build/post-build.yml
@@ -127,11 +127,11 @@ stages:
         ${{ else }}:
           ${{ if eq(parameters.is1ESPipeline, true) }}:
             name: $(DncEngInternalBuildPool)
-            image: windows.vs2022.amd64
+            image: windows.vs2026preview.scout.amd64
             os: windows
           ${{ else }}:
             name: $(DncEngInternalBuildPool)
-            demands: ImageOverride -equals windows.vs2022.amd64
+            demands: ImageOverride -equals windows.vs2026preview.scout.amd64
 
       steps:
       - template: /eng/common/core-templates/post-build/setup-maestro-vars.yml
@@ -175,7 +175,7 @@ stages:
             os: windows
           ${{ else }}:
             name: $(DncEngInternalBuildPool)
-            demands: ImageOverride -equals windows.vs2022.amd64
+            demands: ImageOverride -equals windows.vs2026preview.scout.amd64
       steps:
       - template: /eng/common/core-templates/post-build/setup-maestro-vars.yml
         parameters:
@@ -236,7 +236,7 @@ stages:
             os: windows
           ${{ else }}:
             name: $(DncEngInternalBuildPool)
-            demands: ImageOverride -equals windows.vs2022.amd64
+            demands: ImageOverride -equals windows.vs2026preview.scout.amd64
       steps:
       - template: /eng/common/core-templates/post-build/setup-maestro-vars.yml
         parameters:
diff --git a/eng/common/core-templates/steps/install-microbuild-impl.yml b/eng/common/core-templates/steps/install-microbuild-impl.yml
@@ -18,7 +18,7 @@ parameters:
     type: boolean
 
 steps:
-- ${{ if eq(parameters.enablePreviewMicrobuild, 'true') }}:
+- ${{ if eq(parameters.enablePreviewMicrobuild, true) }}:
     - task: MicroBuildSigningPluginPreview@4
       displayName: Install Preview MicroBuild plugin
       inputs: ${{ parameters.microbuildTaskInputs }}
diff --git a/eng/common/core-templates/steps/source-index-stage1-publish.yml b/eng/common/core-templates/steps/source-index-stage1-publish.yml
@@ -14,8 +14,8 @@ steps:
     workingDirectory: $(Agent.TempDirectory)
 
 - script: |
-    $(Agent.TempDirectory)/dotnet/dotnet tool install BinLogToSln --version ${{parameters.sourceIndexProcessBinlogPackageVersion}} --source ${{parameters.SourceIndexPackageSource}} --tool-path $(Agent.TempDirectory)/.source-index/tools
-    $(Agent.TempDirectory)/dotnet/dotnet tool install UploadIndexStage1 --version ${{parameters.sourceIndexUploadPackageVersion}} --source ${{parameters.SourceIndexPackageSource}} --tool-path $(Agent.TempDirectory)/.source-index/tools
+    $(Agent.TempDirectory)/dotnet/dotnet tool install BinLogToSln --version ${{parameters.sourceIndexProcessBinlogPackageVersion}} --source ${{parameters.sourceIndexPackageSource}} --tool-path $(Agent.TempDirectory)/.source-index/tools
+    $(Agent.TempDirectory)/dotnet/dotnet tool install UploadIndexStage1 --version ${{parameters.sourceIndexUploadPackageVersion}} --source ${{parameters.sourceIndexPackageSource}} --tool-path $(Agent.TempDirectory)/.source-index/tools
   displayName: "Source Index: Download netsourceindex Tools"
   # Set working directory to temp directory so 'dotnet' doesn't try to use global.json and use the repo's sdk.
   workingDirectory: $(Agent.TempDirectory)
diff --git a/eng/common/cross/build-rootfs.sh b/eng/common/cross/build-rootfs.sh
@@ -72,7 +72,7 @@ __AlpinePackages+=" krb5-dev"
 __AlpinePackages+=" openssl-dev"
 __AlpinePackages+=" zlib-dev"
 
-__FreeBSDBase="13.4-RELEASE"
+__FreeBSDBase="13.5-RELEASE"
 __FreeBSDPkg="1.21.3"
 __FreeBSDABI="13"
 __FreeBSDPackages="libunwind"
@@ -383,7 +383,7 @@ while :; do
             ;;
         freebsd14)
             __CodeName=freebsd
-            __FreeBSDBase="14.2-RELEASE"
+            __FreeBSDBase="14.3-RELEASE"
             __FreeBSDABI="14"
             __SkipUnmount=1
             ;;
diff --git a/eng/common/internal-feed-operations.ps1 b/eng/common/internal-feed-operations.ps1
@@ -26,7 +26,7 @@ function SetupCredProvider {
   $url = 'https://raw.githubusercontent.com/microsoft/artifacts-credprovider/master/helpers/installcredprovider.ps1'
   
   Write-Host "Writing the contents of 'installcredprovider.ps1' locally..."
-  Invoke-WebRequest $url -OutFile installcredprovider.ps1
+  Invoke-WebRequest $url -UseBasicParsing -OutFile installcredprovider.ps1
   
   Write-Host 'Installing plugin...'
   .\installcredprovider.ps1 -Force
diff --git a/eng/common/native/install-dependencies.sh b/eng/common/native/install-dependencies.sh
@@ -27,7 +27,7 @@ case "$os" in
                 libssl-dev libkrb5-dev pigz cpio
 
             localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
-        elif [ "$ID" = "fedora" ] || [ "$ID" = "rhel" ] || [ "$ID" = "azurelinux" ] || [ "$ID" = "centos"]; then
+        elif [ "$ID" = "fedora" ] || [ "$ID" = "rhel" ] || [ "$ID" = "azurelinux" ] || [ "$ID" = "centos" ]; then
             pkg_mgr="$(command -v tdnf 2>/dev/null || command -v dnf)"
             $pkg_mgr install -y cmake llvm lld lldb clang python curl libicu-devel openssl-devel krb5-devel lttng-ust-devel pigz cpio
         elif [ "$ID" = "amzn" ]; then
diff --git a/eng/common/post-build/nuget-verification.ps1 b/eng/common/post-build/nuget-verification.ps1
@@ -65,7 +65,7 @@ if ($NuGetExePath) {
         Write-Host "Downloading nuget.exe from $nugetExeUrl..."
         $ProgressPreference = 'SilentlyContinue'
         try {
-            Invoke-WebRequest $nugetExeUrl -OutFile $downloadedNuGetExe
+            Invoke-WebRequest $nugetExeUrl -UseBasicParsing -OutFile $downloadedNuGetExe
             $ProgressPreference = 'Continue'
         } catch {
             $ProgressPreference = 'Continue'
diff --git a/eng/common/sdk-task.ps1 b/eng/common/sdk-task.ps1
@@ -70,7 +70,7 @@ try {
       $GlobalJson.tools | Add-Member -Name "vs" -Value (ConvertFrom-Json "{ `"version`": `"16.5`" }") -MemberType NoteProperty
     }
     if( -not ($GlobalJson.tools.PSObject.Properties.Name -match "xcopy-msbuild" )) {
-      $GlobalJson.tools | Add-Member -Name "xcopy-msbuild" -Value "17.14.16" -MemberType NoteProperty
+      $GlobalJson.tools | Add-Member -Name "xcopy-msbuild" -Value "18.0.0" -MemberType NoteProperty
     }
     if ($GlobalJson.tools."xcopy-msbuild".Trim() -ine "none") {
         $xcopyMSBuildToolsFolder = InitializeXCopyMSBuild $GlobalJson.tools."xcopy-msbuild" -install $true
diff --git a/eng/common/tools.ps1 b/eng/common/tools.ps1
@@ -157,9 +157,6 @@ function InitializeDotNetCli([bool]$install, [bool]$createSdkLocationFile) {
     return $global:_DotNetInstallDir
   }
 
-  # Don't resolve runtime, shared framework, or SDK from other locations to ensure build determinism
-  $env:DOTNET_MULTILEVEL_LOOKUP=0
-
   # Disable first run since we do not need all ASP.NET packages restored.
   $env:DOTNET_NOLOGO=1
 
@@ -225,7 +222,6 @@ function InitializeDotNetCli([bool]$install, [bool]$createSdkLocationFile) {
   # Make Sure that our bootstrapped dotnet cli is available in future steps of the Azure Pipelines build
   Write-PipelinePrependPath -Path $dotnetRoot
 
-  Write-PipelineSetVariable -Name 'DOTNET_MULTILEVEL_LOOKUP' -Value '0'
   Write-PipelineSetVariable -Name 'DOTNET_NOLOGO' -Value '1'
 
   return $global:_DotNetInstallDir = $dotnetRoot
@@ -277,7 +273,7 @@ function GetDotNetInstallScript([string] $dotnetRoot) {
 
     Retry({
       Write-Host "GET $uri"
-      Invoke-WebRequest $uri -OutFile $installScript
+      Invoke-WebRequest $uri -UseBasicParsing -OutFile $installScript
     })
   }
 
@@ -394,8 +390,8 @@ function InitializeVisualStudioMSBuild([bool]$install, [object]$vsRequirements =
 
   # If the version of msbuild is going to be xcopied,
   # use this version. Version matches a package here:
-  # https://dev.azure.com/dnceng/public/_artifacts/feed/dotnet-eng/NuGet/Microsoft.DotNet.Arcade.MSBuild.Xcopy/versions/17.14.16
-  $defaultXCopyMSBuildVersion = '17.14.16'
+  # https://dev.azure.com/dnceng/public/_artifacts/feed/dotnet-eng/NuGet/Microsoft.DotNet.Arcade.MSBuild.Xcopy/versions/18.0.0
+  $defaultXCopyMSBuildVersion = '18.0.0'
 
   if (!$vsRequirements) {
     if (Get-Member -InputObject $GlobalJson.tools -Name 'vs') {
@@ -510,7 +506,7 @@ function InitializeXCopyMSBuild([string]$packageVersion, [bool]$install) {
     Write-Host "Downloading $packageName $packageVersion"
     $ProgressPreference = 'SilentlyContinue' # Don't display the console progress UI - it's a huge perf hit
     Retry({
-      Invoke-WebRequest "https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/flat2/$packageName/$packageVersion/$packageName.$packageVersion.nupkg" -OutFile $packagePath
+      Invoke-WebRequest "https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/flat2/$packageName/$packageVersion/$packageName.$packageVersion.nupkg" -UseBasicParsing -OutFile $packagePath
     })
 
     if (!(Test-Path $packagePath)) {
@@ -556,23 +552,30 @@ function LocateVisualStudio([object]$vsRequirements = $null){
     Write-Host "Downloading vswhere $vswhereVersion"
     $ProgressPreference = 'SilentlyContinue' # Don't display the console progress UI - it's a huge perf hit
     Retry({
-      Invoke-WebRequest "https://netcorenativeassets.blob.core.windows.net/resource-packages/external/windows/vswhere/$vswhereVersion/vswhere.exe" -OutFile $vswhereExe
+      Invoke-WebRequest "https://netcorenativeassets.blob.core.windows.net/resource-packages/external/windows/vswhere/$vswhereVersion/vswhere.exe" -UseBasicParsing -OutFile $vswhereExe
     })
   }
 
-  if (!$vsRequirements) { $vsRequirements = $GlobalJson.tools.vs }
+  if (!$vsRequirements) {
+    if (Get-Member -InputObject $GlobalJson.tools -Name 'vs' -ErrorAction SilentlyContinue) {
+      $vsRequirements = $GlobalJson.tools.vs
+    } else {
+      $vsRequirements = $null
+    }
+  }
+
   $args = @('-latest', '-format', 'json', '-requires', 'Microsoft.Component.MSBuild', '-products', '*')
 
   if (!$excludePrereleaseVS) {
     $args += '-prerelease'
   }
 
-  if (Get-Member -InputObject $vsRequirements -Name 'version') {
+  if ($vsRequirements -and (Get-Member -InputObject $vsRequirements -Name 'version' -ErrorAction SilentlyContinue)) {
     $args += '-version'
     $args += $vsRequirements.version
   }
 
-  if (Get-Member -InputObject $vsRequirements -Name 'components') {
+  if ($vsRequirements -and (Get-Member -InputObject $vsRequirements -Name 'components' -ErrorAction SilentlyContinue)) {
     foreach ($component in $vsRequirements.components) {
       $args += '-requires'
       $args += $component
diff --git a/eng/common/tools.sh b/eng/common/tools.sh
@@ -115,9 +115,6 @@ function InitializeDotNetCli {
 
   local install=$1
 
-  # Don't resolve runtime, shared framework, or SDK from other locations to ensure build determinism
-  export DOTNET_MULTILEVEL_LOOKUP=0
-
   # Disable first run since we want to control all package sources
   export DOTNET_NOLOGO=1
 
@@ -166,7 +163,6 @@ function InitializeDotNetCli {
   # build steps from using anything other than what we've downloaded.
   Write-PipelinePrependPath -path "$dotnet_root"
 
-  Write-PipelineSetVariable -name "DOTNET_MULTILEVEL_LOOKUP" -value "0"
   Write-PipelineSetVariable -name "DOTNET_NOLOGO" -value "1"
 
   # return value
diff --git a/global.json b/global.json
@@ -1,18 +1,18 @@
 {
   "sdk": {
-    "version": "9.0.111",
+    "version": "11.0.100-alpha.1.25618.104",
     "allowPrerelease": true,
     "rollForward": "major"
   },
   "tools": {
-    "dotnet": "10.0.100",
+    "dotnet": "11.0.100-alpha.1.25618.104",
     "runtimes": {
       "dotnet": [
         "8.0.22"
       ]
     }
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "11.0.0-beta.25574.108"
+    "Microsoft.DotNet.Arcade.Sdk": "11.0.0-beta.26062.101"
   }
 }
diff --git a/src/System.CommandLine/Argument.cs b/src/System.CommandLine/Argument.cs
@@ -10,7 +10,7 @@
 namespace System.CommandLine
 {
     /// <summary>
-    /// Represents a symbol that defines a value that can be passed on the command line to a <see cref="Command">command</see> or <see cref="Option">option</see>.
+    /// A symbol defining a value that can be passed on the command line to a <see cref="Command">command</see> or <see cref="Option">option</see>.
     /// </summary>
     public abstract class Argument : Symbol
     {
@@ -22,7 +22,7 @@ public abstract class Argument : Symbol
         /// <summary>
         /// Initializes a new instance of the Argument class.
         /// </summary>
-        /// <param name="name">The name of the argument. This value can be used to look up the parsed value and is displayed in help if <see cref="HelpName" /> is null.</param>
+        /// <param name="name">The name of the argument. This can be used to look up the parsed value and is displayed in help</param>
         protected Argument(string name) : base(name, allowWhitespace: true)
         {
         }
@@ -48,18 +48,18 @@ public ArgumentArity Arity
         /// Gets or sets the placeholder name shown in usage help for the argument's value.
         /// The value will be wrapped in angle brackets (<c>&lt;</c> and <c>&gt;</c>).
         /// </summary>
-        /// <value>
-        /// The name to show as the placeholder for the argument's value.
-        /// </value>
         /// <remarks>
-        /// If <c>null</c>, the <see cref="Symbol.Name"/> of the argument is used.
+        /// If <c>null</c>, the <see cref="Symbol.Name"/> of the argument will be used.
         /// </remarks>
         /// <example>
         /// An argument with <see cref="Symbol.Name"/> of <c>argument</c> and a
         /// <see cref="HelpName"/> of <c>Value</c> will be shown in usage help as:
         /// <c>&lt;Value&gt;</c>. If <see cref="HelpName"/> is not set,
         /// help output will show: <c>&lt;argument&gt;</c>.
         /// </example>
+        /// <value>
+        /// The name to show as the placeholder for the argument's value.
+        /// </value>
         public string? HelpName { get; set; }
 
         internal TryConvertArgument? ConvertArguments
@@ -107,12 +107,12 @@ public List<Func<CompletionContext, IEnumerable<CompletionItem>>> CompletionSour
         }
 
         /// <summary>
-        /// Gets the type that the argument's parsed tokens will be converted to.
+        /// Gets or sets the <see cref="Type" /> that the argument's parsed tokens will be converted to.
         /// </summary>
         public abstract Type ValueType { get; }
 
         /// <summary>
-        /// Gets a list of argument validators. Validators can be used
+        /// Provides a list of argument validators. Validators can be used
         /// to provide custom errors based on user input.
         /// </summary>
         public List<Action<ArgumentResult>> Validators => _validators ??= new ();
@@ -122,7 +122,7 @@ public List<Func<CompletionContext, IEnumerable<CompletionItem>>> CompletionSour
         /// <summary>
         /// Gets the default value for the argument.
         /// </summary>
-        /// <returns>The default value for the argument, if defined; otherwise, <see langword="null" />.</returns>
+        /// <returns>Returns the default value for the argument, if defined. Null otherwise.</returns>
         public object? GetDefaultValue()
         {
             var command = Parents.FlattenBreadthFirst(x => x.Parents)
@@ -135,7 +135,7 @@ public List<Func<CompletionContext, IEnumerable<CompletionItem>>> CompletionSour
         internal abstract object? GetDefaultValue(ArgumentResult argumentResult);
 
         /// <summary>
-        /// Gets a value that indicates if a default value is defined for the argument.
+        /// Specifies if a default value is defined for the argument.
         /// </summary>
         public abstract bool HasDefaultValue { get; }
 
diff --git a/src/System.CommandLine/Parsing/SymbolResult.cs b/src/System.CommandLine/Parsing/SymbolResult.cs
