diff --git a/eng/DotNetBuild.props b/eng/DotNetBuild.props
index 53d03c7f4dd1d..a6350c7fea93f 100644
--- a/eng/DotNetBuild.props
+++ b/eng/DotNetBuild.props
@@ -21,6 +21,10 @@
     <_hostArch>$(_hostRid.Substring($(_hostRidPlatformIndex)).TrimStart('-'))</_hostArch>
 
     <LogVerbosity Condition="'$(LogVerbosity)' == ''">minimal</LogVerbosity>
+
+    <!-- When using the inner clone functionality in the repo build, copy the sources
+         directly as source-link doesn't support local path clones anymore. -->
+    <CopySrcInsteadOfClone>true</CopySrcInsteadOfClone>
   </PropertyGroup>
 
   <PropertyGroup Label="ShortStacks">
diff --git a/global.json b/global.json
index 5adb3a5b87fcb..94d857f14a9af 100644
--- a/global.json
+++ b/global.json
@@ -1,11 +1,11 @@
 {
   "sdk": {
-    "version": "9.0.100-alpha.1.23615.4",
+    "version": "9.0.100-preview.1.24101.2",
     "allowPrerelease": true,
     "rollForward": "major"
   },
   "tools": {
-    "dotnet": "9.0.100-alpha.1.23615.4"
+    "dotnet": "9.0.100-preview.1.24101.2"
   },
   "msbuild-sdks": {
     "Microsoft.DotNet.Arcade.Sdk": "9.0.0-beta.24112.1",
diff --git a/src/mono/browser/debugger/DebuggerTestSuite/DebuggerTestSuite.csproj b/src/mono/browser/debugger/DebuggerTestSuite/DebuggerTestSuite.csproj
index 87cfb17bbc047..7283603a955e1 100644
--- a/src/mono/browser/debugger/DebuggerTestSuite/DebuggerTestSuite.csproj
+++ b/src/mono/browser/debugger/DebuggerTestSuite/DebuggerTestSuite.csproj
@@ -81,7 +81,7 @@
           BeforeTargets="CopyTestZipForHelix"
           DependsOnTargets="_GenerateRunSettingsFile">
 
-    <Exec Command="&quot;$(DotNetTool)&quot; test --no-build -s $(RunSettingsFilePath) -t --nologo -v:q" ConsoleToMSBuild="true">
+    <Exec Command="&quot;$(DotNetTool)&quot; test --no-build -s $(RunSettingsFilePath) -t --nologo -v:q -p:VsTestUseMSBuildOutput=false" ConsoleToMSBuild="true">
       <Output TaskParameter="ConsoleOutput" ItemName="_ListOfTestsLines" />
     </Exec>
 
@@ -89,12 +89,15 @@
       <_Regex>^ *(DebuggerTests[^\($]+)</_Regex>
     </PropertyGroup>
     <ItemGroup>
-      <_TestLines0 Include="$([System.Text.RegularExpressions.Regex]::Match('%(_ListOfTestsLines.Identity)', $(_Regex)))" />
-      <TestClassName Include="$([System.IO.Path]::GetFileNameWithoutExtension(%(_TestLines0.Identity)))" />
+      <_TestLines0 Include="$([System.Text.RegularExpressions.Regex]::Match('%(_ListOfTestsLines.Identity)', '$(_Regex)'))" />
+      <TestClassName Include="$([System.IO.Path]::GetFileNameWithoutExtension('%(_TestLines0.Identity)'))" />
     </ItemGroup>
 
+    <Error Text="No DebuggerTests test classes found!" Condition="'@(TestClassName)' == ''" />
+
     <WriteLinesToFile File="$(TestArchiveTestsDir)$(MSBuildProjectName).tests.list"
-                      Lines="@(TestClassName->Distinct())" />
+                      Lines="@(TestClassName->Distinct())"
+                      Overwrite="true" />
   </Target>
 
   <!-- Copy of `GenerateRunSettingsFile` from eng/testing/runsettings.targets -->
diff --git a/src/mono/sample/wasm/blazor-frame/blazor.csproj b/src/mono/sample/wasm/blazor-frame/blazor.csproj
index 5592718e07144..3061f77e83ac3 100644
--- a/src/mono/sample/wasm/blazor-frame/blazor.csproj
+++ b/src/mono/sample/wasm/blazor-frame/blazor.csproj
@@ -11,8 +11,8 @@
 
   <ItemGroup>
     <!-- TODO un-pin this when it's possible -->
-    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="9.0.0-alpha.1.24061.8" />
-    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="9.0.0-alpha.1.24061.8" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="9.0.0-preview.1.24081.5" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="9.0.0-preview.1.24081.5" PrivateAssets="all" />
   </ItemGroup>
 
 </Project>
diff --git a/src/tasks/WorkloadBuildTasks/PackageInstaller.cs b/src/tasks/WorkloadBuildTasks/PackageInstaller.cs
index 0d2f5db329065..a1b8583bd6e13 100644
--- a/src/tasks/WorkloadBuildTasks/PackageInstaller.cs
+++ b/src/tasks/WorkloadBuildTasks/PackageInstaller.cs
@@ -54,9 +54,18 @@ private bool InstallActual(PackageReference[] references, bool stopOnMissing)
 
             Directory.CreateDirectory(projecDir);
 
-            File.WriteAllText(Path.Combine(projecDir, "Directory.Build.props"), "<Project />");
-            File.WriteAllText(Path.Combine(projecDir, "Directory.Packages.props"), "<Project />");
-            File.WriteAllText(Path.Combine(projecDir, "Directory.Build.targets"), "<Project />");
+            File.WriteAllText(Path.Combine(projecDir, "Directory.Build.props"), """
+<Project>
+
+  <!-- This is an empty Directory.Build.props file to prevent projects which reside
+       under this directory to use any of the repository local settings. -->
+  <PropertyGroup>
+    <ImportDirectoryPackagesProps>false</ImportDirectoryPackagesProps>
+    <ImportDirectoryBuildTargets>false</ImportDirectoryBuildTargets>
+  </PropertyGroup>
+
+</Project>
+""");
             File.WriteAllText(projectPath, GenerateProject(references));
             File.WriteAllText(Path.Combine(projecDir, "nuget.config"), _nugetConfigContents);