diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index e8f00a79b..48b9b9c08 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -136,14 +136,14 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="6.0.0-beta.21271.3">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="6.0.0-beta.21274.6">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>50f5645789f9119c906755cb1d2549acdeb0d0b7</Sha>
+      <Sha>f22435d0f9cc367e75e1875d93ef980be1be6b79</Sha>
       <SourceBuild RepoName="arcade" ManagedOnly="true" />
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Installers" Version="6.0.0-beta.21271.3">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Installers" Version="6.0.0-beta.21274.6">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>50f5645789f9119c906755cb1d2549acdeb0d0b7</Sha>
+      <Sha>f22435d0f9cc367e75e1875d93ef980be1be6b79</Sha>
     </Dependency>
     <Dependency Name="Private.SourceBuild.ReferencePackages" Version="1.0.0-beta.20217.1">
       <Uri>https://github.com/dotnet/source-build-reference-packages</Uri>
@@ -153,9 +153,9 @@
       <Uri>https://github.com/dotnet/sourcelink</Uri>
       <Sha>4b584dbc392bb1aad49c2eb1ab84d8b489b6dccc</Sha>
     </Dependency>
-    <Dependency Name="XliffTasks" Version="1.0.0-beta.21265.1" CoherentParentDependency="Microsoft.DotNet.Arcade.Sdk">
+    <Dependency Name="XliffTasks" Version="1.0.0-beta.21272.1" CoherentParentDependency="Microsoft.DotNet.Arcade.Sdk">
       <Uri>https://github.com/dotnet/xliff-tasks</Uri>
-      <Sha>f4bfde77fb60daf52d8fec738d96d1d54e37dd88</Sha>
+      <Sha>f5321d0c7b3f5e6103440fc017253bcdb50a0a26</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index 47b7a77d4..460f726ca 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -20,7 +20,7 @@
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependency from https://github.com/dotnet/arcade -->
-    <MicrosoftDotNetBuildTasksInstallersPackageVersion>6.0.0-beta.21271.3</MicrosoftDotNetBuildTasksInstallersPackageVersion>
+    <MicrosoftDotNetBuildTasksInstallersPackageVersion>6.0.0-beta.21274.6</MicrosoftDotNetBuildTasksInstallersPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependency from https://github.com/dotnet/winforms -->
diff --git a/eng/common/templates/job/source-build.yml b/eng/common/templates/job/source-build.yml
index aad414649..5023d36dc 100644
--- a/eng/common/templates/job/source-build.yml
+++ b/eng/common/templates/job/source-build.yml
@@ -15,6 +15,9 @@ parameters:
   # nonPortable: false
   #   Enables non-portable mode. This means a more specific RID (e.g. fedora.32-x64 rather than
   #   linux-x64), and compiling against distro-provided packages rather than portable ones.
+  # skipPublishValidation: false
+  #   Disables publishing validation.  By default, a check is performed to ensure no packages are
+  #   published by source-build.
   # container: ''
   #   A container to use. Runs in docker.
   # pool: {}
diff --git a/eng/common/templates/post-build/channels/generic-internal-channel.yml b/eng/common/templates/post-build/channels/generic-internal-channel.yml
index 58fa9a35b..8990dfc8c 100644
--- a/eng/common/templates/post-build/channels/generic-internal-channel.yml
+++ b/eng/common/templates/post-build/channels/generic-internal-channel.yml
@@ -40,6 +40,9 @@ stages:
     pool:
       vmImage: 'windows-2019'
     steps:
+      - script: echo "##vso[task.logissue type=warning]Going forward, v2 Arcade publishing is no longer supported. Please read https://github.com/dotnet/arcade/blob/main/Documentation/CorePackages/Publishing.md for details, then contact dnceng if you have further questions."
+        displayName: Warn about v2 Arcade Publishing Usage
+
       # This is necessary whenever we want to publish/restore to an AzDO private feed
       - task: NuGetAuthenticate@0
         displayName: 'Authenticate to AzDO Feeds'
@@ -110,6 +113,9 @@ stages:
     pool:
       vmImage: 'windows-2019'
     steps:
+      - script: echo "##vso[task.logissue type=warning]Going forward, v2 Arcade publishing is no longer supported. Please read https://github.com/dotnet/arcade/blob/main/Documentation/CorePackages/Publishing.md for details, then contact dnceng if you have further questions."
+        displayName: Warn about v2 Arcade Publishing Usage
+
       - task: DownloadBuildArtifacts@0
         displayName: Download Build Assets
         continueOnError: true
diff --git a/eng/common/templates/post-build/channels/generic-public-channel.yml b/eng/common/templates/post-build/channels/generic-public-channel.yml
index b50c0b3bd..3220c6a4f 100644
--- a/eng/common/templates/post-build/channels/generic-public-channel.yml
+++ b/eng/common/templates/post-build/channels/generic-public-channel.yml
@@ -42,6 +42,9 @@ stages:
     pool:
       vmImage: 'windows-2019'
     steps:
+      - script: echo "##vso[task.logissue type=warning]Going forward, v2 Arcade publishing is no longer supported. Please read https://github.com/dotnet/arcade/blob/main/Documentation/CorePackages/Publishing.md for details, then contact dnceng if you have further questions."
+        displayName: Warn about v2 Arcade Publishing Usage
+
       - task: DownloadBuildArtifacts@0
         displayName: Download Build Assets
         continueOnError: true
@@ -109,6 +112,9 @@ stages:
     pool:
       vmImage: 'windows-2019'
     steps:
+      - script: echo "##vso[task.logissue type=warning]Going forward, v2 Arcade publishing is no longer supported. Please read https://github.com/dotnet/arcade/blob/main/Documentation/CorePackages/Publishing.md for details, then contact dnceng if you have further questions."
+        displayName: Warn about v2 Arcade Publishing Usage
+
       - task: DownloadBuildArtifacts@0
         displayName: Download Build Assets
         continueOnError: true
diff --git a/eng/common/templates/steps/source-build.yml b/eng/common/templates/steps/source-build.yml
index 65ee5992b..e20637ed6 100644
--- a/eng/common/templates/steps/source-build.yml
+++ b/eng/common/templates/steps/source-build.yml
@@ -34,9 +34,14 @@ steps:
       targetRidArgs='/p:TargetRid=${{ parameters.platform.targetRID }}'
     fi
 
+    publishArgs=
+    if [ '${{ parameters.platform.skipPublishValidation }}' != 'true' ]; then
+      publishArgs='--publish'
+    fi
+
     ${{ coalesce(parameters.platform.buildScript, './build.sh') }} --ci \
       --configuration $buildConfig \
-      --restore --build --pack --publish -bl \
+      --restore --build --pack $publishArgs -bl \
       $officialBuildArgs \
       $targetRidArgs \
       /p:SourceBuildNonPortable=${{ parameters.platform.nonPortable }} \
diff --git a/global.json b/global.json
index ea44972a6..9e79859c3 100644
--- a/global.json
+++ b/global.json
@@ -11,7 +11,7 @@
     "cmake": "3.16.4"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "6.0.0-beta.21271.3",
+    "Microsoft.DotNet.Arcade.Sdk": "6.0.0-beta.21274.6",
     "Microsoft.DotNet.CMake.Sdk": "6.0.0-beta.21253.2"
   }
 }