diff --git a/tools/releaseBuild/azureDevOps/releasePipeline.yml b/tools/releaseBuild/azureDevOps/releasePipeline.yml
index 51117ca99de..5ca465a74f1 100644
--- a/tools/releaseBuild/azureDevOps/releasePipeline.yml
+++ b/tools/releaseBuild/azureDevOps/releasePipeline.yml
@@ -1,9 +1,19 @@
 trigger: none
 
 # needed to disable CI trigger and allow manual trigger
-# when the branch is same as pipline source, the latest build from the source is used.
+# when the branch is same as pipeline source, the latest build from the source is used.
 # all environment used are for manual tasks and approvals.
 
+parameters:
+  - name: skipPackagesMsftComPublish
+    displayName: Skip actual publishing to Packages.microsoft.com, AFTER we upload it.  Used to test the publishing script.
+    default: false
+    type: boolean
+  - name: skipNugetPublish
+    displayName: Skip nuget publishing.  Used in testing publishing stage.
+    default: false
+    type: boolean
+
 resources:
   pipelines:
   - pipeline: releasePipeline
@@ -17,7 +27,7 @@ resources:
     type: git
     trigger: none
     name: Internal-PowerShellTeam-Tools
-    ref: master
+    ref: main-mirror
 
 variables:
   - name: runCodesignValidationInjection
@@ -340,6 +350,8 @@ stages:
 
     steps:
     - template: templates/release-ReleaseToNuGet.yml
+      parameters:
+        skipPublish: ${{ parameters.skipNugetPublish }}
 
   - job: PublishPkgsMsftCom
 
@@ -353,6 +365,8 @@ stages:
     - group: 'packages.microsoft.com'
     steps:
     - template: templates/release-PublishPackageMsftCom.yml
+      parameters:
+        skipPublish: ${{ parameters.skipPackagesMsftComPublish }}
 
 - stage: PublishSymbols
   displayName: Publish symbols
diff --git a/tools/releaseBuild/azureDevOps/templates/release-PublishPackageMsftCom.yml b/tools/releaseBuild/azureDevOps/templates/release-PublishPackageMsftCom.yml
index b5dc97b9ab6..0333c77b88c 100644
--- a/tools/releaseBuild/azureDevOps/templates/release-PublishPackageMsftCom.yml
+++ b/tools/releaseBuild/azureDevOps/templates/release-PublishPackageMsftCom.yml
@@ -1,3 +1,8 @@
+parameters:
+  - name: skipPublish
+    default: false
+    type: boolean
+
 steps:
 - template: release-SetReleaseTagAndContainerName.yml
 
@@ -9,19 +14,44 @@ steps:
   displayName: Set Package version
 
 - pwsh: |
-   git clone https://$(AzureDevOpsPat)@mscodehub.visualstudio.com/PowerShellCore/_git/Internal-PowerShellTeam-Tools '$(Pipeline.Workspace)/tools'
+    $branch = 'main-mirror'
+    $gitArgs = "clone",
+    "--verbose", 
+    "--branch",
+    "$branch",
+    "https://$(AzureDevOpsPat)@mscodehub.visualstudio.com/PowerShellCore/_git/Internal-PowerShellTeam-Tools", 
+    '$(Pipeline.Workspace)/tools'
+    $gitArgs | Write-Verbose -Verbose
+    git $gitArgs
   displayName: Clone Internal-PowerShellTeam-Tools from MSCodeHub
 
+- task: PipAuthenticate@1
+  inputs:
+    artifactFeeds: 'pmc'
+    pythonDownloadServiceConnections: pmcDownload
+
+- pwsh: |
+    pip install pmc-cli
+
+    $newPath = (resolve-path '~/.local/bin').providerpath
+    $vstsCommandString = "vso[task.setvariable variable=PATH]${env:PATH}:$newPath"
+    Write-Host "sending " + $vstsCommandString
+    Write-Host "##$vstsCommandString"
+  displayName: Install pmc cli
+  
 - pwsh: |
     $metadata = Get-Content -Path "$(Build.SourcesDirectory)/tools/metadata.json" -Raw | ConvertFrom-Json
-    Write-Verbose -Verbose "$(ReleaseTag) $(RepoClientCliClientID) $(RepoClientCliSecret) $(AzureVersion) $($metadata.LTSRelease.Latest)"
     $params = @{
         ReleaseTag = "$(ReleaseTag)"
-        AadClientId = "$(RepoClientCliClientID)"
-        AadClientSecret = "$(RepoClientCliSecret)"
+        AadClientId = "$(PmcCliClientID)"
         BlobFolderName = "$(AzureVersion)"
         LTS = $metadata.LTSRelease.Latest
         ForProduction = $true
+        SkipPublish = $${{ parameters.skipPublish }}
+        MappingFilePath = '$(System.DefaultWorkingDirectory)/tools/packages.microsoft.com/mapping.json'
     }
-    & '$(Pipeline.Workspace)/tools/packages.microsoft.com/releaseLinuxPackages.ps1' -MappingFilePath '$(System.DefaultWorkingDirectory)/tools/packages.microsoft.com/mapping.json'  @params
+    
+    $params | Out-String -width 9999 -Stream | write-Verbose -Verbose
+
+    & '$(Pipeline.Workspace)/tools/packages.microsoft.com-v4/releaseLinuxPackages.ps1' @params
   displayName: Run release script
diff --git a/tools/releaseBuild/azureDevOps/templates/release-ReleaseToNuGet.yml b/tools/releaseBuild/azureDevOps/templates/release-ReleaseToNuGet.yml
index 117cf8f91df..33a72f56bbb 100644
--- a/tools/releaseBuild/azureDevOps/templates/release-ReleaseToNuGet.yml
+++ b/tools/releaseBuild/azureDevOps/templates/release-ReleaseToNuGet.yml
@@ -1,5 +1,11 @@
+parameters:
+  - name: skipPublish
+    default: false
+    type: boolean
+    
 steps:
 - task: DownloadPipelineArtifact@2
+  condition: and(eq('${{ parameters.skipPublish }}', 'false'), succeeded())
   inputs:
     source: specific
     project: PowerShellCore
@@ -12,6 +18,7 @@ steps:
     path: '$(Pipeline.Workspace)/releasePipeline/finalResults'
 
 - task: DownloadPipelineArtifact@2
+  condition: and(eq('${{ parameters.skipPublish }}', 'false'), succeeded())
   inputs:
     source: specific
     project: PowerShellCore
@@ -37,9 +44,11 @@ steps:
 
     Get-ChildItem "$(Pipeline.Workspace)/release" -recurse
   displayName: Download and capture nupkgs
+  condition: and(eq('${{ parameters.skipPublish }}', 'false'), succeeded())
 
 - task: NuGetCommand@2
   displayName: 'NuGet push'
+  condition: and(eq('${{ parameters.skipPublish }}', 'false'), succeeded())
   inputs:
     command: push
     packagesToPush: '$(Pipeline.Workspace)/release/*.nupkg'