diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 7b7e1fa07..75ccfabd5 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -24,9 +24,9 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="1.0.0-beta.18620.6">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="1.0.0-beta.19053.2">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha></Sha>
+      <Sha>7acae668c8dd3efc4b0e18946982d7ddee3e5591</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/common/Signing.props b/eng/common/Signing.props
deleted file mode 100644
index a2a4d072c..000000000
--- a/eng/common/Signing.props
+++ /dev/null
@@ -1,12 +0,0 @@
-<Project>
-    <ItemGroup>
-        <!-- Remove all automatically included packages -->
-        <ItemsToSign Remove="@(ItemsToSign)" />
-
-        <!-- Only sign the NuGet packages with the default signing infrastructure, as the other files need to be signed
-             as part of the build (as the default infrastructure doesn't support signing everything inside packages the
-             way they would need to be done if signing was done after all packages were produced.  -->
-        <ItemsToSign Include="$(ArtifactsShippingPackagesDir)*.nupkg"/>
-        
-    </ItemGroup>
-</Project>
\ No newline at end of file
diff --git a/eng/common/cross/x86/sources.list.bionic b/eng/common/cross/x86/sources.list.bionic
new file mode 100644
index 000000000..a71ccadcf
--- /dev/null
+++ b/eng/common/cross/x86/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/eng/common/cross/x86/sources.list.trusty b/eng/common/cross/x86/sources.list.trusty
new file mode 100644
index 000000000..9b3085436
--- /dev/null
+++ b/eng/common/cross/x86/sources.list.trusty
@@ -0,0 +1,11 @@
+deb http://archive.ubuntu.com/ubuntu/ trusty main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ trusty main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ trusty-updates main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ trusty-updates main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ trusty-backports main restricted
+deb-src http://archive.ubuntu.com/ubuntu/ trusty-backports main restricted
+
+deb http://archive.ubuntu.com/ubuntu/ trusty-security main restricted universe multiverse
+deb-src http://archive.ubuntu.com/ubuntu/ trusty-security main restricted universe multiverse
diff --git a/eng/common/cross/x86/sources.list.vivid b/eng/common/cross/x86/sources.list.vivid
new file mode 100644
index 000000000..26d37b20f
--- /dev/null
+++ b/eng/common/cross/x86/sources.list.vivid
@@ -0,0 +1,11 @@
+deb http://archive.ubuntu.com/ubuntu/ vivid main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ vivid main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ vivid-updates main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ vivid-updates main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ vivid-backports main restricted
+deb-src http://archive.ubuntu.com/ubuntu/ vivid-backports main restricted
+
+deb http://archive.ubuntu.com/ubuntu/ vivid-security main restricted universe multiverse
+deb-src http://archive.ubuntu.com/ubuntu/ vivid-security main restricted universe multiverse
diff --git a/eng/common/cross/x86/sources.list.wily b/eng/common/cross/x86/sources.list.wily
new file mode 100644
index 000000000..c4b0b442a
--- /dev/null
+++ b/eng/common/cross/x86/sources.list.wily
@@ -0,0 +1,11 @@
+deb http://archive.ubuntu.com/ubuntu/ wily main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ wily main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ wily-updates main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ wily-updates main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ wily-backports main restricted
+deb-src http://archive.ubuntu.com/ubuntu/ wily-backports main restricted
+
+deb http://archive.ubuntu.com/ubuntu/ wily-security main restricted universe multiverse
+deb-src http://archive.ubuntu.com/ubuntu/ wily-security main restricted universe multiverse
diff --git a/eng/common/cross/x86/sources.list.xenial b/eng/common/cross/x86/sources.list.xenial
new file mode 100644
index 000000000..ad9c5a014
--- /dev/null
+++ b/eng/common/cross/x86/sources.list.xenial
@@ -0,0 +1,11 @@
+deb http://archive.ubuntu.com/ubuntu/ xenial main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ xenial main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ xenial-updates main restricted universe
+deb-src http://archive.ubuntu.com/ubuntu/ xenial-updates main restricted universe
+
+deb http://archive.ubuntu.com/ubuntu/ xenial-backports main restricted
+deb-src http://archive.ubuntu.com/ubuntu/ xenial-backports main restricted
+
+deb http://archive.ubuntu.com/ubuntu/ xenial-security main restricted universe multiverse
+deb-src http://archive.ubuntu.com/ubuntu/ xenial-security main restricted universe multiverse
diff --git a/eng/common/templates/phases/base.yml b/eng/common/templates/phases/base.yml
index 1b8c02349..e075e8b78 100644
--- a/eng/common/templates/phases/base.yml
+++ b/eng/common/templates/phases/base.yml
@@ -85,7 +85,7 @@ phases:
       - task: MicroBuildSigningPlugin@2
         displayName: Install MicroBuild plugin
         inputs:
-          version: 1.1.61
+          version: 1.1.35
           signType: $(_SignType)
           zipSources: false
           feedSource: https://dnceng.pkgs.visualstudio.com/_packaging/MicroBuildToolset/nuget/v3/index.json
diff --git a/global.json b/global.json
index a82059ebd..6fd64fa12 100644
--- a/global.json
+++ b/global.json
@@ -3,6 +3,6 @@
     "dotnet": "3.0.100-preview-009812"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "1.0.0-beta.18620.6"
+    "Microsoft.DotNet.Arcade.Sdk": "1.0.0-beta.19053.2"
   }
 }