diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 62f50d6d6f52..9e238e9997c5 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -555,34 +555,34 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="9.0.0-beta.25577.5">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="9.0.0-beta.25611.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>0890ca08513391dafe556fb326c73c6c5c6cb329</Sha>
+      <Sha>e9983e548f5b9638784f3b2696eb6cb3e7366548</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Installers" Version="9.0.0-beta.25577.5">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Installers" Version="9.0.0-beta.25611.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>0890ca08513391dafe556fb326c73c6c5c6cb329</Sha>
+      <Sha>e9983e548f5b9638784f3b2696eb6cb3e7366548</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="9.0.0-beta.25577.5">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="9.0.0-beta.25611.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>0890ca08513391dafe556fb326c73c6c5c6cb329</Sha>
+      <Sha>e9983e548f5b9638784f3b2696eb6cb3e7366548</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.SignTool" Version="9.0.0-beta.25577.5">
+    <Dependency Name="Microsoft.DotNet.SignTool" Version="9.0.0-beta.25611.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>0890ca08513391dafe556fb326c73c6c5c6cb329</Sha>
+      <Sha>e9983e548f5b9638784f3b2696eb6cb3e7366548</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XUnitExtensions" Version="9.0.0-beta.25577.5">
+    <Dependency Name="Microsoft.DotNet.XUnitExtensions" Version="9.0.0-beta.25611.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>0890ca08513391dafe556fb326c73c6c5c6cb329</Sha>
+      <Sha>e9983e548f5b9638784f3b2696eb6cb3e7366548</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XliffTasks" Version="9.0.0-beta.25577.5">
+    <Dependency Name="Microsoft.DotNet.XliffTasks" Version="9.0.0-beta.25611.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>0890ca08513391dafe556fb326c73c6c5c6cb329</Sha>
+      <Sha>e9983e548f5b9638784f3b2696eb6cb3e7366548</Sha>
     </Dependency>
     <!-- Intermediate is necessary for source build. -->
-    <Dependency Name="Microsoft.SourceBuild.Intermediate.arcade" Version="9.0.0-beta.25577.5">
+    <Dependency Name="Microsoft.SourceBuild.Intermediate.arcade" Version="9.0.0-beta.25611.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>0890ca08513391dafe556fb326c73c6c5c6cb329</Sha>
+      <Sha>e9983e548f5b9638784f3b2696eb6cb3e7366548</Sha>
       <SourceBuild RepoName="arcade" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="System.Reflection.MetadataLoadContext" Version="9.0.11">
diff --git a/eng/Versions.props b/eng/Versions.props
index 584075a0510a..c3e4fc5508e8 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -272,10 +272,10 @@
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependencies from https://github.com/dotnet/arcade -->
-    <MicrosoftDotNetBuildTasksInstallersPackageVersion>9.0.0-beta.25577.5</MicrosoftDotNetBuildTasksInstallersPackageVersion>
-    <MicrosoftDotNetSignToolVersion>9.0.0-beta.25577.5</MicrosoftDotNetSignToolVersion>
-    <MicrosoftDotNetXliffTasksVersion>9.0.0-beta.25577.5</MicrosoftDotNetXliffTasksVersion>
-    <MicrosoftDotNetXUnitExtensionsVersion>9.0.0-beta.25577.5</MicrosoftDotNetXUnitExtensionsVersion>
+    <MicrosoftDotNetBuildTasksInstallersPackageVersion>9.0.0-beta.25611.4</MicrosoftDotNetBuildTasksInstallersPackageVersion>
+    <MicrosoftDotNetSignToolVersion>9.0.0-beta.25611.4</MicrosoftDotNetSignToolVersion>
+    <MicrosoftDotNetXliffTasksVersion>9.0.0-beta.25611.4</MicrosoftDotNetXliffTasksVersion>
+    <MicrosoftDotNetXUnitExtensionsVersion>9.0.0-beta.25611.4</MicrosoftDotNetXUnitExtensionsVersion>
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependencies from https://github.com/dotnet/sourcelink -->
diff --git a/eng/common/core-templates/job/source-index-stage1.yml b/eng/common/core-templates/job/source-index-stage1.yml
index 662b9fcce154..ddf8c2e00d80 100644
--- a/eng/common/core-templates/job/source-index-stage1.yml
+++ b/eng/common/core-templates/job/source-index-stage1.yml
@@ -6,7 +6,7 @@ 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: ''
diff --git a/eng/common/internal-feed-operations.ps1 b/eng/common/internal-feed-operations.ps1
index 92b77347d990..c282d3ae403a 100644
--- 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/post-build/nuget-verification.ps1 b/eng/common/post-build/nuget-verification.ps1
index ac5c69ffcac5..eea88e653c91 100644
--- 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/tools.ps1 b/eng/common/tools.ps1
index 6a1560e8442e..a06513a59407 100644
--- a/eng/common/tools.ps1
+++ b/eng/common/tools.ps1
@@ -266,7 +266,7 @@ function GetDotNetInstallScript([string] $dotnetRoot) {
 
     Retry({
       Write-Host "GET $uri"
-      Invoke-WebRequest $uri -OutFile $installScript
+      Invoke-WebRequest $uri -UseBasicParsing -OutFile $installScript
     })
   }
 
@@ -295,7 +295,7 @@ function InstallDotNet([string] $dotnetRoot,
     if ($runtime -eq "aspnetcore") { $runtimePath = $runtimePath + "\Microsoft.AspNetCore.App" }
     if ($runtime -eq "windowsdesktop") { $runtimePath = $runtimePath + "\Microsoft.WindowsDesktop.App" }
     $runtimePath = $runtimePath + "\" + $version
-
+  
     $dotnetVersionLabel = "runtime toolset '$runtime/$architecture v$version'"
 
     if (Test-Path $runtimePath) {
@@ -499,7 +499,7 @@ function InitializeXCopyMSBuild([string]$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 $packagePath)) {
@@ -543,7 +543,7 @@ function LocateVisualStudio([object]$vsRequirements = $null){
     Create-Directory $vsWhereDir
     Write-Host 'Downloading vswhere'
     Retry({
-      Invoke-WebRequest "https://netcorenativeassets.blob.core.windows.net/resource-packages/external/windows/vswhere/$vswhereVersion/vswhere.exe" -OutFile $vswhereExe
+      Invoke-WebRequest "https://netcorenativeassets.blob.core.windows.net/resource-packages/external/windows/vswhere/$vswhereVersion/vswhere.exe" -UseBasicParsing -OutFile $vswhereExe
     })
   }
 
@@ -554,6 +554,7 @@ function LocateVisualStudio([object]$vsRequirements = $null){
       $vsRequirements = $null
     }
   }
+
   $args = @('-latest', '-format', 'json', '-requires', 'Microsoft.Component.MSBuild', '-products', '*')
 
   if (!$excludePrereleaseVS) {
@@ -968,4 +969,4 @@ function Enable-Nuget-EnhancedRetry() {
       Write-PipelineSetVariable -Name 'NUGET_ENHANCED_NETWORK_RETRY_DELAY_MILLISECONDS' -Value '1000'
       Write-PipelineSetVariable -Name 'NUGET_RETRY_HTTP_429' -Value 'true'
     }
-}
\ No newline at end of file
+}
diff --git a/global.json b/global.json
index 3ee42b57d57e..368ff009c2d6 100644
--- a/global.json
+++ b/global.json
@@ -17,8 +17,8 @@
     "cmake": "latest"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "9.0.0-beta.25577.5",
-    "Microsoft.DotNet.Helix.Sdk": "9.0.0-beta.25577.5",
+    "Microsoft.DotNet.Arcade.Sdk": "9.0.0-beta.25611.4",
+    "Microsoft.DotNet.Helix.Sdk": "9.0.0-beta.25611.4",
     "Microsoft.Build.NoTargets": "3.7.0",
     "Microsoft.DotNet.CMake.Sdk": "9.0.0-beta.24217.1"
   }