diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 1e4122bb1ca164..c6399979561c19 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -92,73 +92,73 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="8.0.0-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="8.0.0-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="8.0.0-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="8.0.0-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.GenAPI" Version="8.0.0-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.GenAPI" Version="8.0.0-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.GenFacades" Version="8.0.0-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.GenFacades" Version="8.0.0-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XUnitExtensions" Version="8.0.0-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.XUnitExtensions" Version="8.0.0-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.XUnitConsoleRunner" Version="2.5.1-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.XUnitConsoleRunner" Version="2.5.1-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Archives" Version="8.0.0-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Archives" Version="8.0.0-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Packaging" Version="8.0.0-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Packaging" Version="8.0.0-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Installers" Version="8.0.0-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Installers" Version="8.0.0-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Templating" Version="8.0.0-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Templating" Version="8.0.0-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Workloads" Version="8.0.0-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Workloads" Version="8.0.0-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.CodeAnalysis" Version="8.0.0-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.CodeAnalysis" Version="8.0.0-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.TargetFramework" Version="8.0.0-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.TargetFramework" Version="8.0.0-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.RemoteExecutor" Version="8.0.0-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.RemoteExecutor" Version="8.0.0-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Feed" Version="8.0.0-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Feed" Version="8.0.0-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.VersionTools.Tasks" Version="8.0.0-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.VersionTools.Tasks" Version="8.0.0-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.SharedFramework.Sdk" Version="8.0.0-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.SharedFramework.Sdk" Version="8.0.0-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
     <Dependency Name="System.ComponentModel.TypeConverter.TestData" Version="8.0.0-beta.23252.1">
       <Uri>https://github.com/dotnet/runtime-assets</Uri>
@@ -288,9 +288,9 @@
       <Uri>https://github.com/dotnet/xharness</Uri>
       <Sha>aa434d0c7e6eb46df1ec11b3c63add37d835c4d0</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.PackageTesting" Version="8.0.0-beta.23259.5">
+    <Dependency Name="Microsoft.DotNet.PackageTesting" Version="8.0.0-beta.23261.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>08f0d9daf5c5a422b5a22db601ee9fde7068c7ff</Sha>
+      <Sha>06faa97f3e5232df0ddad42caaf28eea39d4ad1a</Sha>
     </Dependency>
     <Dependency Name="optimization.windows_nt-x64.MIBC.Runtime" Version="1.0.0-prerelease.23258.3">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-optimization</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index b9455a1ed739a5..dd59e19e273570 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -84,21 +84,21 @@
     <!-- SDK dependencies -->
     <MicrosoftDotNetApiCompatTaskVersion>8.0.100-preview.2.23107.1</MicrosoftDotNetApiCompatTaskVersion>
     <!-- Arcade dependencies -->
-    <MicrosoftDotNetBuildTasksFeedVersion>8.0.0-beta.23259.5</MicrosoftDotNetBuildTasksFeedVersion>
-    <MicrosoftDotNetCodeAnalysisVersion>8.0.0-beta.23259.5</MicrosoftDotNetCodeAnalysisVersion>
-    <MicrosoftDotNetGenAPIVersion>8.0.0-beta.23259.5</MicrosoftDotNetGenAPIVersion>
-    <MicrosoftDotNetGenFacadesVersion>8.0.0-beta.23259.5</MicrosoftDotNetGenFacadesVersion>
-    <MicrosoftDotNetXUnitExtensionsVersion>8.0.0-beta.23259.5</MicrosoftDotNetXUnitExtensionsVersion>
-    <MicrosoftDotNetXUnitConsoleRunnerVersion>2.5.1-beta.23259.5</MicrosoftDotNetXUnitConsoleRunnerVersion>
-    <MicrosoftDotNetBuildTasksArchivesVersion>8.0.0-beta.23259.5</MicrosoftDotNetBuildTasksArchivesVersion>
-    <MicrosoftDotNetBuildTasksInstallersVersion>8.0.0-beta.23259.5</MicrosoftDotNetBuildTasksInstallersVersion>
-    <MicrosoftDotNetBuildTasksPackagingVersion>8.0.0-beta.23259.5</MicrosoftDotNetBuildTasksPackagingVersion>
-    <MicrosoftDotNetBuildTasksTargetFrameworkVersion>8.0.0-beta.23259.5</MicrosoftDotNetBuildTasksTargetFrameworkVersion>
-    <MicrosoftDotNetBuildTasksTemplatingVersion>8.0.0-beta.23259.5</MicrosoftDotNetBuildTasksTemplatingVersion>
-    <MicrosoftDotNetBuildTasksWorkloadsPackageVersion>8.0.0-beta.23259.5</MicrosoftDotNetBuildTasksWorkloadsPackageVersion>
-    <MicrosoftDotNetRemoteExecutorVersion>8.0.0-beta.23259.5</MicrosoftDotNetRemoteExecutorVersion>
-    <MicrosoftDotNetVersionToolsTasksVersion>8.0.0-beta.23259.5</MicrosoftDotNetVersionToolsTasksVersion>
-    <MicrosoftDotNetPackageTestingVersion>8.0.0-beta.23259.5</MicrosoftDotNetPackageTestingVersion>
+    <MicrosoftDotNetBuildTasksFeedVersion>8.0.0-beta.23261.4</MicrosoftDotNetBuildTasksFeedVersion>
+    <MicrosoftDotNetCodeAnalysisVersion>8.0.0-beta.23261.4</MicrosoftDotNetCodeAnalysisVersion>
+    <MicrosoftDotNetGenAPIVersion>8.0.0-beta.23261.4</MicrosoftDotNetGenAPIVersion>
+    <MicrosoftDotNetGenFacadesVersion>8.0.0-beta.23261.4</MicrosoftDotNetGenFacadesVersion>
+    <MicrosoftDotNetXUnitExtensionsVersion>8.0.0-beta.23261.4</MicrosoftDotNetXUnitExtensionsVersion>
+    <MicrosoftDotNetXUnitConsoleRunnerVersion>2.5.1-beta.23261.4</MicrosoftDotNetXUnitConsoleRunnerVersion>
+    <MicrosoftDotNetBuildTasksArchivesVersion>8.0.0-beta.23261.4</MicrosoftDotNetBuildTasksArchivesVersion>
+    <MicrosoftDotNetBuildTasksInstallersVersion>8.0.0-beta.23261.4</MicrosoftDotNetBuildTasksInstallersVersion>
+    <MicrosoftDotNetBuildTasksPackagingVersion>8.0.0-beta.23261.4</MicrosoftDotNetBuildTasksPackagingVersion>
+    <MicrosoftDotNetBuildTasksTargetFrameworkVersion>8.0.0-beta.23261.4</MicrosoftDotNetBuildTasksTargetFrameworkVersion>
+    <MicrosoftDotNetBuildTasksTemplatingVersion>8.0.0-beta.23261.4</MicrosoftDotNetBuildTasksTemplatingVersion>
+    <MicrosoftDotNetBuildTasksWorkloadsPackageVersion>8.0.0-beta.23261.4</MicrosoftDotNetBuildTasksWorkloadsPackageVersion>
+    <MicrosoftDotNetRemoteExecutorVersion>8.0.0-beta.23261.4</MicrosoftDotNetRemoteExecutorVersion>
+    <MicrosoftDotNetVersionToolsTasksVersion>8.0.0-beta.23261.4</MicrosoftDotNetVersionToolsTasksVersion>
+    <MicrosoftDotNetPackageTestingVersion>8.0.0-beta.23261.4</MicrosoftDotNetPackageTestingVersion>
     <!-- NuGet dependencies -->
     <NuGetBuildTasksPackVersion>6.0.0-preview.1.102</NuGetBuildTasksPackVersion>
     <!-- Installer dependencies -->
diff --git a/eng/common/cross/x64/sources.list.bionic b/eng/common/cross/x64/sources.list.bionic
new file mode 100644
index 00000000000000..a71ccadcffaf89
--- /dev/null
+++ b/eng/common/cross/x64/sources.list.bionic
@@ -0,0 +1,11 @@
+deb http://archive.ubuntu.com/ubuntu/ bionic main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ bionic main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ bionic-updates main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ bionic-updates main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ bionic-backports main restricted
+deb-src http://archive.ubuntu.com/ubuntu/ bionic-backports main restricted
+
+deb http://archive.ubuntu.com/ubuntu/ bionic-security main restricted universe multiverse
+deb-src http://archive.ubuntu.com/ubuntu/ bionic-security main restricted universe multiverse
diff --git a/global.json b/global.json
index 95a231fdc59463..675f4c674a5eb8 100644
--- a/global.json
+++ b/global.json
@@ -8,9 +8,9 @@
     "dotnet": "8.0.100-preview.3.23178.7"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "8.0.0-beta.23259.5",
-    "Microsoft.DotNet.Helix.Sdk": "8.0.0-beta.23259.5",
-    "Microsoft.DotNet.SharedFramework.Sdk": "8.0.0-beta.23259.5",
+    "Microsoft.DotNet.Arcade.Sdk": "8.0.0-beta.23261.4",
+    "Microsoft.DotNet.Helix.Sdk": "8.0.0-beta.23261.4",
+    "Microsoft.DotNet.SharedFramework.Sdk": "8.0.0-beta.23261.4",
     "Microsoft.Build.NoTargets": "3.7.0",
     "Microsoft.Build.Traversal": "3.4.0",
     "Microsoft.NET.Sdk.IL": "8.0.0-preview.5.23251.1"