Merge branch 'release/9.0.2xx' of https://github.com/dotnet/templating into merge/release/9.0.1xx-to-release/9.0.2xx

Author: v-wuzhai

Diff for: eng/Version.Details.xml

@@ -2,9 +2,9 @@
 <Dependencies>
   <ProductDependencies>
     <!-- Intermediate is necessary for source build. -->
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="9.0.0-alpha.1.24575.1">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.source-build-externals" Version="9.0.0-alpha.1.24515.2">
       <Uri>https://github.com/dotnet/source-build-externals</Uri>
-      <Sha>ab469606a3e6b026dcac301e2dab96117c94faeb</Sha>
+      <Sha>659bf534d9fbf673493b821be99df12032277549</Sha>
       <SourceBuild RepoName="source-build-externals" ManagedOnly="true" />
     </Dependency>
     <!-- Intermediate is necessary for source build. -->

Diff for: eng/Versions.props

@@ -1,11 +1,11 @@
 <Project>
   <PropertyGroup>
-    <VersionPrefix>9.0.105</VersionPrefix>
+    <VersionPrefix>9.0.203</VersionPrefix>
     <!-- When StabilizePackageVersion is set to 'true', this branch will produce stable outputs for 'Shipping' packages -->
     <StabilizePackageVersion Condition="'$(StabilizePackageVersion)' == ''">true</StabilizePackageVersion>
     <DotNetFinalVersionKind Condition="'$(StabilizePackageVersion)' == 'true'">release</DotNetFinalVersionKind>
     <!-- Calculate prerelease label -->
-    <PreReleaseVersionLabel Condition="'$(StabilizePackageVersion)' != 'true'">rtm</PreReleaseVersionLabel>
+    <PreReleaseVersionLabel Condition="'$(StabilizePackageVersion)' != 'true'">preview</PreReleaseVersionLabel>
     <PreReleaseVersionLabel Condition="'$(StabilizePackageVersion)' == 'true' and $(VersionPrefix.EndsWith('00'))">rtm</PreReleaseVersionLabel>
     <PreReleaseVersionLabel Condition="'$(StabilizePackageVersion)' == 'true' and !$(VersionPrefix.EndsWith('00'))">servicing</PreReleaseVersionLabel>
     <PreReleaseVersionIteration Condition="'$(StabilizePackageVersion)' != 'true'">

Diff for: src/Microsoft.TemplateEngine.Edge/Constraints/WorkloadConstraintFactory.cs

@@ -11,6 +11,8 @@ namespace Microsoft.TemplateEngine.Edge.Constraints
 {
     public sealed class WorkloadConstraintFactory : ITemplateConstraintFactory
     {
+        private static readonly SemaphoreSlim Mutex = new(1);
+
         Guid IIdentifiedComponent.Id { get; } = Guid.Parse("{F8BA5B13-7BD6-47C8-838C-66626526817B}");
 
         string ITemplateConstraintFactory.Type => "workload";
@@ -97,8 +99,17 @@ private static IEnumerable<string> ParseArgs(string? args)
                 }
 
                 token.ThrowIfCancellationRequested();
-                IEnumerable<WorkloadInfo> currentProviderWorkloads = await providers[0].GetInstalledWorkloadsAsync(token).ConfigureAwait(false);
-                workloads = currentProviderWorkloads.ToList();
+
+                await Mutex.WaitAsync(token).ConfigureAwait(false);
+                try
+                {
+                    IEnumerable<WorkloadInfo> currentProviderWorkloads = await providers[0].GetInstalledWorkloadsAsync(token).ConfigureAwait(false);
+                    workloads = currentProviderWorkloads.ToList();
+                }
+                finally
+                {
+                    Mutex.Release();
+                }
 
                 if (workloads.Select(w => w.Id).HasDuplicates(StringComparer.InvariantCultureIgnoreCase))
                 {