Update dependencies from https://github.com/dotnet/arcade build 20190904.31 (#26531)

- Microsoft.DotNet.Arcade.Sdk - 1.0.0-beta.19454.31
- Microsoft.DotNet.Build.Tasks.Feed - 2.2.0-beta.19454.31
- Microsoft.DotNet.Build.Tasks.Packaging - 1.0.0-beta.19454.31
- Microsoft.DotNet.Helix.Sdk - 2.0.0-beta.19454.31

25 files changed, 719 insertions, 189 deletions

diff --git a/eng/common/darc-init.ps1 b/eng/common/darc-init.ps1
index 8854d979f3..46d175fdfd 100644
--- a/eng/common/darc-init.ps1
+++ b/eng/common/darc-init.ps1
@@ -1,9 +1,9 @@
 param (
     $darcVersion = $null,
-    $versionEndpoint = "https://maestro-prod.westus2.cloudapp.azure.com/api/assets/darc-version?api-version=2019-01-16"
+    $versionEndpoint = "https://maestro-prod.westus2.cloudapp.azure.com/api/assets/darc-version?api-version=2019-01-16",
+    $verbosity = "m"
 )
 
-$verbosity = "m"
 . $PSScriptRoot\tools.ps1
 
 function InstallDarcCli ($darcVersion) {
diff --git a/eng/common/darc-init.sh b/eng/common/darc-init.sh
index abdd0bc05a..242429bca6 100755
--- a/eng/common/darc-init.sh
+++ b/eng/common/darc-init.sh
@@ -3,6 +3,7 @@
 source="${BASH_SOURCE[0]}"
 darcVersion=''
 versionEndpoint="https://maestro-prod.westus2.cloudapp.azure.com/api/assets/darc-version?api-version=2019-01-16"
+verbosity=m
 
 while [[ $# > 0 ]]; do
   opt="$(echo "$1" | awk '{print tolower($0)}')"
@@ -15,6 +16,10 @@ while [[ $# > 0 ]]; do
       versionEndpoint=$2
       shift
       ;;
+    --verbosity)
+      verbosity=$2
+      shift
+      ;;
     *)
       echo "Invalid argument: $1"
       usage
@@ -34,7 +39,6 @@ while [[ -h "$source" ]]; do
   [[ $source != /* ]] && source="$scriptroot/$source"
 done
 scriptroot="$( cd -P "$( dirname "$source" )" && pwd )"
-verbosity=m
 
 . "$scriptroot/tools.sh"
 
diff --git a/eng/common/native/CommonLibrary.psm1 b/eng/common/native/CommonLibrary.psm1
index 2a08d5246e..41416862d9 100644
--- a/eng/common/native/CommonLibrary.psm1
+++ b/eng/common/native/CommonLibrary.psm1
@@ -152,6 +152,8 @@ function Get-File {
   }
   else {
     Write-Verbose "Downloading $Uri"
+    # Don't display the console progress UI - it's a huge perf hit
+    $ProgressPreference = 'SilentlyContinue'   
     while($Attempt -Lt $DownloadRetries)
     {
       try {
diff --git a/eng/common/performance/perfhelixpublish.proj b/eng/common/performance/perfhelixpublish.proj
index 05e5f09891..e5826b5323 100644
--- a/eng/common/performance/perfhelixpublish.proj
+++ b/eng/common/performance/perfhelixpublish.proj
@@ -5,8 +5,14 @@
     <CliArguments>--dotnet-versions %DOTNET_VERSION% --cli-source-info args --cli-branch %PERFLAB_BRANCH% --cli-commit-sha %PERFLAB_HASH% --cli-repository https://github.com/%PERFLAB_REPO% --cli-source-timestamp %PERFLAB_BUILDTIMESTAMP%</CliArguments>
     <Python>py -3</Python>
     <CoreRun>%HELIX_CORRELATION_PAYLOAD%\Core_Root\CoreRun.exe</CoreRun>
+    <BaselineCoreRun>%HELIX_CORRELATION_PAYLOAD%\Baseline_Core_Root\CoreRun.exe</BaselineCoreRun>
     <HelixPreCommands>$(HelixPreCommands);call %HELIX_CORRELATION_PAYLOAD%\performance\tools\machine-setup.cmd</HelixPreCommands>
     <ArtifactsDirectory>%HELIX_CORRELATION_PAYLOAD%\artifacts\BenchmarkDotNet.Artifacts</ArtifactsDirectory>
+    <BaselineArtifactsDirectory>%HELIX_CORRELATION_PAYLOAD%\artifacts\BenchmarkDotNet.Artifacts_Baseline</BaselineArtifactsDirectory>
+    <ResultsComparer>%HELIX_CORRELATION_PAYLOAD%\performance\src\tools\ResultsComparer\ResultsComparer.csproj</ResultsComparer>
+    <DotnetExe>%HELIX_CORRELATION_PAYLOAD%\performance\tools\dotnet\$(Architecture)\dotnet.exe</DotnetExe>
+    <Percent>%25%25</Percent>
+    <XMLResults>%HELIX_WORKITEM_ROOT%\testResults.xml</XMLResults>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(AGENT_OS)' != 'Windows_NT' and '$(RunFromPerfRepo)' == 'false'">
@@ -24,14 +30,24 @@
     <CliArguments>--dotnet-versions $DOTNET_VERSION --cli-source-info args --cli-branch $PERFLAB_BRANCH --cli-commit-sha $PERFLAB_HASH --cli-repository https://github.com/$PERFLAB_REPO --cli-source-timestamp $PERFLAB_BUILDTIMESTAMP</CliArguments>
     <Python>python3</Python>
     <CoreRun>$(BaseDirectory)/Core_Root/corerun</CoreRun>
+    <BaselineCoreRun>$(BaseDirectory)/Baseline_Core_Root/corerun</BaselineCoreRun>
     <HelixPreCommands>$(HelixPreCommands);chmod +x $(PerformanceDirectory)/tools/machine-setup.sh;. $(PerformanceDirectory)/tools/machine-setup.sh</HelixPreCommands>
     <ArtifactsDirectory>$(BaseDirectory)/artifacts/BenchmarkDotNet.Artifacts</ArtifactsDirectory>
+    <BaselineArtifactsDirectory>$(BaseDirectory)/artifacts/BenchmarkDotNet.Artifacts_Baseline</BaselineArtifactsDirectory>
+    <ResultsComparer>$(PerformanceDirectory)/src/tools/ResultsComparer/ResultsComparer.csproj</ResultsComparer>
+    <DotnetExe>$(PerformanceDirectory)/tools/dotnet/$(Architecture)/dotnet</DotnetExe>
+    <Percent>%25</Percent>
+    <XMLResults>$HELIX_WORKITEM_ROOT/testResults.xml</XMLResults>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(UseCoreRun)' == 'true'">
     <CoreRunArgument>--corerun $(CoreRun)</CoreRunArgument>
   </PropertyGroup>
 
+  <PropertyGroup Condition="'$(UseBaselineCoreRun)' == 'true'">
+    <BaselineCoreRunArgument>--corerun $(BaselineCoreRun)</BaselineCoreRunArgument>
+  </PropertyGroup>
+
   <PropertyGroup Condition="'$(WorkItemCommand)' != ''">
     <WorkItemCommand>$(Python) $(WorkItemCommand) --incremental no --architecture $(Architecture) -f $(_Framework) $(PerfLabArguments)</WorkItemCommand>
   </PropertyGroup>
@@ -57,20 +73,29 @@
     <Partition Include="$(BuildConfig).Partition4" Index="4" />
   </ItemGroup>
 
+  <PropertyGroup Condition="'$(Compare)' == 'true'">
+    <FailOnTestFailure>false</FailOnTestFailure>
+  </PropertyGroup>
+
   <!-- 
     Partition the Microbenchmarks project, but nothing else
   -->
   <ItemGroup Condition="$(TargetCsproj.Contains('MicroBenchmarks.csproj'))">
     <HelixWorkItem Include="@(Partition)">
       <PayloadDirectory>$(WorkItemDirectory)</PayloadDirectory>
-      <Command>$(WorkItemCommand) --bdn-arguments="--anyCategories $(BDNCategories) $(ExtraBenchmarkDotNetArguments) $(CoreRunArgument) --artifacts $(ArtifactsDirectory) --partition-count $(PartitionCount) --partition-index %(HelixWorkItem.Index)"</Command>
+      <PreCommands Condition="'$(Compare)' == 'true'">$(WorkItemCommand) --bdn-artifacts $(BaselineArtifactsDirectory) --bdn-arguments="--anyCategories $(BDNCategories) $(ExtraBenchmarkDotNetArguments) $(BaselineCoreRunArgument) --partition-count $(PartitionCount) --partition-index %(HelixWorkItem.Index)"</PreCommands>
+      <Command>$(WorkItemCommand) --bdn-artifacts $(ArtifactsDirectory) --bdn-arguments="--anyCategories $(BDNCategories) $(ExtraBenchmarkDotNetArguments) $(CoreRunArgument) --partition-count $(PartitionCount) --partition-index %(HelixWorkItem.Index)"</Command>
+      <PostCommands Condition="'$(Compare)' == 'true'">$(DotnetExe) run -f $(_Framework) -p $(ResultsComparer) --base $(BaselineArtifactsDirectory) --diff $(ArtifactsDirectory) --threshold 2$(Percent) --xml $(XMLResults);$(FinalCommand)</PostCommands>
       <Timeout>4:00</Timeout>
     </HelixWorkItem>
   </ItemGroup>
+
   <ItemGroup Condition="!$(TargetCsproj.Contains('MicroBenchmarks.csproj'))">
     <HelixWorkItem Include="$(BuildConfig).WorkItem">
       <PayloadDirectory>$(WorkItemDirectory)</PayloadDirectory>
-      <Command>$(WorkItemCommand) --bdn-arguments="--anyCategories $(BDNCategories) $(ExtraBenchmarkDotNetArguments) $(CoreRunArgument) --artifacts $(ArtifactsDirectory)"</Command>
+      <PreCommands Condition="'$(Compare)' == 'true'">$(WorkItemCommand) --bdn-artifacts $(BaselineArtifactsDirectory) --bdn-arguments="--anyCategories $(BDNCategories) $(ExtraBenchmarkDotNetArguments) $(BaselineCoreRunArgument)"</PreCommands>
+      <Command>$(WorkItemCommand) --bdn-artifacts $(ArtifactsDirectory) --bdn-arguments="--anyCategories $(BDNCategories) $(ExtraBenchmarkDotNetArguments) $(CoreRunArgument)"</Command>
+      <PostCommands Condition="'$(Compare)' == 'true'">$(DotnetExe) run -f $(_Framework) -p $(ResultsComparer) --base $(BaselineArtifactsDirectory) --diff $(ArtifactsDirectory) --threshold 2$(Percent) --xml $(XMLResults)</PostCommands>
       <Timeout>4:00</Timeout>
     </HelixWorkItem>
   </ItemGroup>
diff --git a/eng/common/performance/performance-setup.ps1 b/eng/common/performance/performance-setup.ps1
index 4a6706b638..268986246e 100644
--- a/eng/common/performance/performance-setup.ps1
+++ b/eng/common/performance/performance-setup.ps1
@@ -1,6 +1,7 @@
 Param(
     [string] $SourceDirectory=$env:BUILD_SOURCESDIRECTORY,
     [string] $CoreRootDirectory,
+    [string] $BaselineCoreRootDirectory,
     [string] $Architecture="x64",
     [string] $Framework="netcoreapp5.0",
     [string] $CompilationMode="Tiered",
@@ -12,11 +13,13 @@ Param(
     [string] $Csproj="src\benchmarks\micro\MicroBenchmarks.csproj",
     [string] $Kind="micro",
     [switch] $Internal,
+    [switch] $Compare,
     [string] $Configurations="CompilationMode=$CompilationMode"
 )
 
 $RunFromPerformanceRepo = ($Repository -eq "dotnet/performance")
 $UseCoreRun = ($CoreRootDirectory -ne [string]::Empty)
+$UseBaselineCoreRun = ($BaselineCoreRootDirectory -ne [string]::Empty)
 
 $PayloadDirectory = (Join-Path $SourceDirectory "Payload")
 $PerformanceDirectory = (Join-Path $PayloadDirectory "performance")
@@ -29,7 +32,13 @@ $HelixSourcePrefix = "pr"
 $Queue = "Windows.10.Amd64.ClientRS4.DevEx.15.8.Open"
 
 if ($Framework.StartsWith("netcoreapp")) {
-    $Queue = "Windows.10.Amd64.ClientRS4.Open"
+    $Queue = "Windows.10.Amd64.ClientRS5.Open"
+}
+
+if ($Compare) {
+    $Queue = "Windows.10.Amd64.19H1.Tiger.Perf.Open"
+    $PerfLabArguments = ""
+    $ExtraBenchmarkDotNetArguments = ""
 }
 
 if ($Internal) {
@@ -56,6 +65,10 @@ if ($UseCoreRun) {
     $NewCoreRoot = (Join-Path $PayloadDirectory "Core_Root")
     Move-Item -Path $CoreRootDirectory -Destination $NewCoreRoot
 }
+if ($UseBaselineCoreRun) {
+    $NewBaselineCoreRoot = (Join-Path $PayloadDirectory "Baseline_Core_Root")
+    Move-Item -Path $BaselineCoreRootDirectory -Destination $NewBaselineCoreRoot
+}
 
 $DocsDir = (Join-Path $PerformanceDirectory "docs")
 robocopy $DocsDir $WorkItemDirectory
@@ -80,7 +93,9 @@ Write-PipelineSetVariable -Name 'TargetCsproj' -Value "$Csproj" -IsMultiJobVaria
 Write-PipelineSetVariable -Name 'Kind' -Value "$Kind" -IsMultiJobVariable $false
 Write-PipelineSetVariable -Name 'Architecture' -Value "$Architecture" -IsMultiJobVariable $false
 Write-PipelineSetVariable -Name 'UseCoreRun' -Value "$UseCoreRun" -IsMultiJobVariable $false
+Write-PipelineSetVariable -Name 'UseBaselineCoreRun' -Value "$UseBaselineCoreRun" -IsMultiJobVariable $false
 Write-PipelineSetVariable -Name 'RunFromPerfRepo' -Value "$RunFromPerformanceRepo" -IsMultiJobVariable $false
+Write-PipelineSetVariable -Name 'Compare' -Value "$Compare" -IsMultiJobVariable $false
 
 # Helix Arguments
 Write-PipelineSetVariable -Name 'Creator' -Value "$Creator" -IsMultiJobVariable $false
diff --git a/eng/common/performance/performance-setup.sh b/eng/common/performance/performance-setup.sh
index 76126b1f86..550b3ebf18 100755
--- a/eng/common/performance/performance-setup.sh
+++ b/eng/common/performance/performance-setup.sh
@@ -2,6 +2,7 @@
 
 source_directory=$BUILD_SOURCESDIRECTORY
 core_root_directory=
+baseline_core_root_directory=
 architecture=x64
 framework=netcoreapp5.0
 compilation_mode=tiered
@@ -10,12 +11,14 @@ branch=$BUILD_SOURCEBRANCH
 commit_sha=$BUILD_SOURCEVERSION
 build_number=$BUILD_BUILDNUMBER
 internal=false
+compare=false
 kind="micro"
 run_categories="coreclr corefx"
 csproj="src\benchmarks\micro\MicroBenchmarks.csproj"
 configurations=
 run_from_perf_repo=false
 use_core_run=true
+use_baseline_core_run=true
 
 while (($# > 0)); do
   lowerI="$(echo $1 | awk '{print tolower($0)}')"
@@ -28,6 +31,10 @@ while (($# > 0)); do
       core_root_directory=$2
       shift 2
       ;;
+    --baselinecorerootdirectory)
+      baseline_core_root_directory=$2
+      shift 2
+      ;;
     --architecture)
       architecture=$2
       shift 2
@@ -72,6 +79,10 @@ while (($# > 0)); do
       internal=true
       shift 1
       ;;
+    --compare)
+      compare=true
+      shift 1
+      ;;
     --configurations)
       configurations=$2
       shift 2
@@ -114,6 +125,10 @@ if [ -z "$core_root_directory" ]; then
     use_core_run=false
 fi
 
+if [ -z "$baseline_core_root_directory" ]; then
+    use_baseline_core_run=false
+fi
+
 payload_directory=$source_directory/Payload
 performance_directory=$payload_directory/performance
 workitem_directory=$source_directory/workitem
@@ -123,6 +138,19 @@ queue=Ubuntu.1804.Amd64.Open
 creator=$BUILD_DEFINITIONNAME
 helix_source_prefix="pr"
 
+if [[ "$compare" == true ]]; then
+  extra_benchmark_dotnet_arguments=
+  perflab_arguments=
+
+  # No open queues for arm64
+  if [[ "$architecture" = "arm64" ]]; then
+    echo "Compare not available for arm64"
+    exit 1
+  fi
+
+  queue=Ubuntu.1804.Amd64.Tiger.Perf.Open
+fi
+
 if [[ "$internal" == true ]]; then
     perflab_arguments="--upload-to-perflab-container"
     helix_source_prefix="official"
@@ -156,6 +184,11 @@ if [[ "$use_core_run" = true ]]; then
     mv $core_root_directory $new_core_root
 fi
 
+if [[ "$use_baseline_core_run" = true ]]; then
+  new_baseline_core_root=$payload_directory/Baseline_Core_Root
+  mv $baseline_core_root_directory $new_baseline_core_root
+fi
+
 ci=true
 
 _script_dir=$(pwd)/eng/common
@@ -163,6 +196,7 @@ _script_dir=$(pwd)/eng/common
 
 # Make sure all of our variables are available for future steps
 Write-PipelineSetVariable -name "UseCoreRun" -value "$use_core_run" -is_multi_job_variable false
+Write-PipelineSetVariable -name "UseBaselineCoreRun" -value "$use_baseline_core_run" -is_multi_job_variable false
 Write-PipelineSetVariable -name "Architecture" -value "$architecture" -is_multi_job_variable false
 Write-PipelineSetVariable -name "PayloadDirectory" -value "$payload_directory" -is_multi_job_variable false
 Write-PipelineSetVariable -name "PerformanceDirectory" -value "$performance_directory" -is_multi_job_variable false
@@ -178,4 +212,5 @@ Write-PipelineSetVariable -name "RunFromPerfRepo" -value "$run_from_perf_repo" -
 Write-PipelineSetVariable -name "Creator" -value "$creator" -is_multi_job_variable false
 Write-PipelineSetVariable -name "HelixSourcePrefix" -value "$helix_source_prefix" -is_multi_job_variable false
 Write-PipelineSetVariable -name "Kind" -value "$kind" -is_multi_job_variable false
-Write-PipelineSetVariable -name "_BuildConfig" -value "$architecture.$kind.$framework" -is_multi_job_variable false
\ No newline at end of file
+Write-PipelineSetVariable -name "_BuildConfig" -value "$architecture.$kind.$framework" -is_multi_job_variable false
+Write-PipelineSetVariable -name "Compare" -value "$compare" -is_multi_job_variable false
diff --git a/eng/common/post-build/sourcelink-validation.ps1 b/eng/common/post-build/sourcelink-validation.ps1
index 41e01ae6e6..bbfdacca13 100644
--- a/eng/common/post-build/sourcelink-validation.ps1
+++ b/eng/common/post-build/sourcelink-validation.ps1
@@ -1,8 +1,8 @@
 param(
   [Parameter(Mandatory=$true)][string] $InputPath,              # Full path to directory where Symbols.NuGet packages to be checked are stored
   [Parameter(Mandatory=$true)][string] $ExtractPath,            # Full path to directory where the packages will be extracted during validation
-  [Parameter(Mandatory=$true)][string] $GHRepoName,             # GitHub name of the repo including the Org. E.g., dotnet/arcade
-  [Parameter(Mandatory=$true)][string] $GHCommit,               # GitHub commit SHA used to build the packages
+  [Parameter(Mandatory=$false)][string] $GHRepoName,            # GitHub name of the repo including the Org. E.g., dotnet/arcade
+  [Parameter(Mandatory=$false)][string] $GHCommit,              # GitHub commit SHA used to build the packages
   [Parameter(Mandatory=$true)][string] $SourcelinkCliVersion    # Version of SourceLink CLI to use
 )
 
@@ -13,6 +13,12 @@ param(
 # all files present in the repo at a specific commit point.
 $global:RepoFiles = @{}
 
+# Maximum number of jobs to run in parallel
+$MaxParallelJobs = 6
+
+# Wait time between check for system load
+$SecondsBetweenLoadChecks = 10
+
 $ValidatePackage = {
   param( 
     [string] $PackagePath                                 # Full path to a Symbols.NuGet package
@@ -22,8 +28,8 @@ $ValidatePackage = {
 
   # Ensure input file exist
   if (!(Test-Path $PackagePath)) {
-    Write-PipelineTaskError "Input file does not exist: $PackagePath"
-    ExitWithExitCode 1
+    Write-Host "Input file does not exist: $PackagePath"
+    return 1
   }
 
   # Extensions for which we'll look for SourceLink information
@@ -38,7 +44,7 @@ $ValidatePackage = {
 
   Add-Type -AssemblyName System.IO.Compression.FileSystem
 
-  [System.IO.Directory]::CreateDirectory($ExtractPath);
+  [System.IO.Directory]::CreateDirectory($ExtractPath)  | Out-Null
 
   try {
     $zip = [System.IO.Compression.ZipFile]::OpenRead($PackagePath)
@@ -138,16 +144,18 @@ $ValidatePackage = {
 
   if ($FailedFiles -eq 0) {
     Write-Host "Passed."
+    return 0
   }
   else {
-    Write-PipelineTaskError "$PackagePath has broken SourceLink links."
+    Write-Host "$PackagePath has broken SourceLink links."
+    return 1
   }
 }
 
 function ValidateSourceLinkLinks {
-  if (!($GHRepoName -Match "^[^\s\/]+/[^\s\/]+$")) {
+  if ($GHRepoName -ne "" -and !($GHRepoName -Match "^[^\s\/]+/[^\s\/]+$")) {
     if (!($GHRepoName -Match "^[^\s-]+-[^\s]+$")) {
-      Write-PipelineTaskError "GHRepoName should be in the format <org>/<repo> or <org>-<repo>"
+      Write-PipelineTaskError "GHRepoName should be in the format <org>/<repo> or <org>-<repo>. '$GHRepoName'"
       ExitWithExitCode 1
     }
     else {
@@ -155,30 +163,33 @@ function ValidateSourceLinkLinks {
     }
   }
 
-  if (!($GHCommit -Match "^[0-9a-fA-F]{40}$")) {
-    Write-PipelineTaskError "GHCommit should be a 40 chars hexadecimal string"
+  if ($GHCommit -ne "" -and !($GHCommit -Match "^[0-9a-fA-F]{40}$")) {
+    Write-PipelineTaskError "GHCommit should be a 40 chars hexadecimal string. '$GHCommit'"
     ExitWithExitCode 1
   }
 
-  $RepoTreeURL = -Join("http://api.github.com/repos/", $GHRepoName, "/git/trees/", $GHCommit, "?recursive=1")
-  $CodeExtensions = @(".cs", ".vb", ".fs", ".fsi", ".fsx", ".fsscript")
+  if ($GHRepoName -ne "" -and $GHCommit -ne "") {
+    $RepoTreeURL = -Join("http://api.github.com/repos/", $GHRepoName, "/git/trees/", $GHCommit, "?recursive=1")
+    $CodeExtensions = @(".cs", ".vb", ".fs", ".fsi", ".fsx", ".fsscript")
 
-  try {
-    # Retrieve the list of files in the repo at that particular commit point and store them in the RepoFiles hash
-    $Data = Invoke-WebRequest $RepoTreeURL -UseBasicParsing | ConvertFrom-Json | Select-Object -ExpandProperty tree
+    try {
+      # Retrieve the list of files in the repo at that particular commit point and store them in the RepoFiles hash
+      $Data = Invoke-WebRequest $RepoTreeURL -UseBasicParsing | ConvertFrom-Json | Select-Object -ExpandProperty tree
   
-    foreach ($file in $Data) {
-      $Extension = [System.IO.Path]::GetExtension($file.path)
+      foreach ($file in $Data) {
+        $Extension = [System.IO.Path]::GetExtension($file.path)
 
-      if ($CodeExtensions.Contains($Extension)) {
-        $RepoFiles[$file.path] = 1
+        if ($CodeExtensions.Contains($Extension)) {
+          $RepoFiles[$file.path] = 1
+        }
       }
     }
+    catch {
+      Write-Host "Problems downloading the list of files from the repo. Url used: $RepoTreeURL . Execution will proceed without caching."
+    }
   }
-  catch {
-    Write-PipelineTaskError "Problems downloading the list of files from the repo. Url used: $RepoTreeURL"
-    Write-Host $_
-    ExitWithExitCode 1
+  elseif ($GHRepoName -ne "" -or $GHCommit -ne "") {
+    Write-Host "For using the http caching mechanism both GHRepoName and GHCommit should be informed."
   }
   
   if (Test-Path $ExtractPath) {
@@ -186,14 +197,33 @@ function ValidateSourceLinkLinks {
   }
 
   # Process each NuGet package in parallel
-  $Jobs = @()
   Get-ChildItem "$InputPath\*.symbols.nupkg" |
     ForEach-Object {
-      $Jobs += Start-Job -ScriptBlock $ValidatePackage -ArgumentList $_.FullName
+      Start-Job -ScriptBlock $ValidatePackage -ArgumentList $_.FullName | Out-Null
+      $NumJobs = @(Get-Job -State 'Running').Count
+      
+      while ($NumJobs -ge $MaxParallelJobs) {
+        Write-Host "There are $NumJobs validation jobs running right now. Waiting $SecondsBetweenLoadChecks seconds to check again."
+        sleep $SecondsBetweenLoadChecks
+        $NumJobs = @(Get-Job -State 'Running').Count
+      }
+
+      foreach ($Job in @(Get-Job -State 'Completed')) {
+        Receive-Job -Id $Job.Id
+        Remove-Job -Id $Job.Id
+      }
     }
 
-  foreach ($Job in $Jobs) {
-    Wait-Job -Id $Job.Id | Receive-Job
+  $ValidationFailures = 0
+  foreach ($Job in @(Get-Job)) {
+    $jobResult = Wait-Job -Id $Job.Id | Receive-Job
+    if ($jobResult -ne "0") {
+      $ValidationFailures++
+    }
+  }
+  if ($ValidationFailures -gt 0) {
+    Write-PipelineTaskError " $ValidationFailures package(s) failed validation."
+    ExitWithExitCode 1
   }
 }
 
diff --git a/eng/common/post-build/symbols-validation.ps1 b/eng/common/post-build/symbols-validation.ps1
index d5ec51b150..096ac321d1 100644
--- a/eng/common/post-build/symbols-validation.ps1
+++ b/eng/common/post-build/symbols-validation.ps1
@@ -37,10 +37,10 @@ function FirstMatchingSymbolDescriptionOrDefault {
   # DWARF file for a .dylib
   $DylibDwarf = $SymbolPath.Replace($Extension, ".dylib.dwarf")
  
-  $dotnetsymbolExe = "$env:USERPROFILE\.dotnet\tools"
-  $dotnetsymbolExe = Resolve-Path "$dotnetsymbolExe\dotnet-symbol.exe"
+  $dotnetSymbolExe = "$env:USERPROFILE\.dotnet\tools"
+  $dotnetSymbolExe = Resolve-Path "$dotnetSymbolExe\dotnet-symbol.exe"
 
-  & $dotnetsymbolExe --symbols --modules --windows-pdbs $TargetServerParam $FullPath -o $SymbolsPath | Out-Null
+  & $dotnetSymbolExe --symbols --modules --windows-pdbs $TargetServerParam $FullPath -o $SymbolsPath | Out-Null
 
   if (Test-Path $PdbPath) {
     return "PDB"
@@ -159,25 +159,25 @@ function CheckSymbolsAvailable {
     }
 }
 
-function Installdotnetsymbol {
-  $dotnetsymbolPackageName = "dotnet-symbol"
+function InstallDotnetSymbol {
+  $dotnetSymbolPackageName = "dotnet-symbol"
 
   $dotnetRoot = InitializeDotNetCli -install:$true
   $dotnet = "$dotnetRoot\dotnet.exe"
   $toolList = & "$dotnet" tool list --global
 
-  if (($toolList -like "*$dotnetsymbolPackageName*") -and ($toolList -like "*$dotnetsymbolVersion*")) {
-    Write-Host "dotnet-symbol version $dotnetsymbolVersion is already installed."
+  if (($toolList -like "*$dotnetSymbolPackageName*") -and ($toolList -like "*$dotnetSymbolVersion*")) {
+    Write-Host "dotnet-symbol version $dotnetSymbolVersion is already installed."
   }
   else {
-    Write-Host "Installing dotnet-symbol version $dotnetsymbolVersion..."
+    Write-Host "Installing dotnet-symbol version $dotnetSymbolVersion..."
     Write-Host "You may need to restart your command window if this is the first dotnet tool you have installed."
-    & "$dotnet" tool install $dotnetsymbolPackageName --version $dotnetsymbolVersion --verbosity "minimal" --global
+    & "$dotnet" tool install $dotnetSymbolPackageName --version $dotnetSymbolVersion --verbosity "minimal" --global
   }
 }
 
 try {
-  Installdotnetsymbol
+  InstallDotnetSymbol
 
   CheckSymbolsAvailable
 }
diff --git a/eng/common/sdl/execute-all-sdl-tools.ps1 b/eng/common/sdl/execute-all-sdl-tools.ps1
index 6d9bdcf72b..01799d63ff 100644
--- a/eng/common/sdl/execute-all-sdl-tools.ps1
+++ b/eng/common/sdl/execute-all-sdl-tools.ps1
@@ -45,6 +45,7 @@ if ($GuardianPackageName) {
   $guardianCliLocation = $GuardianCliLocation
 }
 
+$workingDirectory = (Split-Path $SourceDirectory -Parent)
 $ValidPath = Test-Path $guardianCliLocation
 
 if ($ValidPath -eq $False)
@@ -53,13 +54,13 @@ if ($ValidPath -eq $False)
   exit 1
 }
 
-& $(Join-Path $PSScriptRoot "init-sdl.ps1") -GuardianCliLocation $guardianCliLocation -Repository $RepoName -BranchName $BranchName -WorkingDirectory $ArtifactsDirectory -AzureDevOpsAccessToken $AzureDevOpsAccessToken -GuardianLoggerLevel $GuardianLoggerLevel
-$gdnFolder = Join-Path $ArtifactsDirectory ".gdn"
+& $(Join-Path $PSScriptRoot "init-sdl.ps1") -GuardianCliLocation $guardianCliLocation -Repository $RepoName -BranchName $BranchName -WorkingDirectory $workingDirectory -AzureDevOpsAccessToken $AzureDevOpsAccessToken -GuardianLoggerLevel $GuardianLoggerLevel
+$gdnFolder = Join-Path $workingDirectory ".gdn"
 
 if ($TsaOnboard) {
   if ($TsaCodebaseName -and $TsaNotificationEmail -and $TsaCodebaseAdmin -and $TsaBugAreaPath) {
-    Write-Host "$guardianCliLocation tsa-onboard --codebase-name `"$TsaCodebaseName`" --notification-alias `"$TsaNotificationEmail`" --codebase-admin `"$TsaCodebaseAdmin`" --instance-url `"$TsaInstanceUrl`" --project-name `"$TsaProjectName`" --area-path `"$TsaBugAreaPath`" --iteration-path `"$TsaIterationPath`" --working-directory $ArtifactsDirectory --logger-level $GuardianLoggerLevel"
-    & $guardianCliLocation tsa-onboard --codebase-name "$TsaCodebaseName" --notification-alias "$TsaNotificationEmail" --codebase-admin "$TsaCodebaseAdmin" --instance-url "$TsaInstanceUrl" --project-name "$TsaProjectName" --area-path "$TsaBugAreaPath" --iteration-path "$TsaIterationPath" --working-directory $ArtifactsDirectory --logger-level $GuardianLoggerLevel
+    Write-Host "$guardianCliLocation tsa-onboard --codebase-name `"$TsaCodebaseName`" --notification-alias `"$TsaNotificationEmail`" --codebase-admin `"$TsaCodebaseAdmin`" --instance-url `"$TsaInstanceUrl`" --project-name `"$TsaProjectName`" --area-path `"$TsaBugAreaPath`" --iteration-path `"$TsaIterationPath`" --working-directory $workingDirectory --logger-level $GuardianLoggerLevel"
+    & $guardianCliLocation tsa-onboard --codebase-name "$TsaCodebaseName" --notification-alias "$TsaNotificationEmail" --codebase-admin "$TsaCodebaseAdmin" --instance-url "$TsaInstanceUrl" --project-name "$TsaProjectName" --area-path "$TsaBugAreaPath" --iteration-path "$TsaIterationPath" --working-directory $workingDirectory --logger-level $GuardianLoggerLevel
     if ($LASTEXITCODE -ne 0) {
       Write-Host "Guardian tsa-onboard failed with exit code $LASTEXITCODE."
       exit $LASTEXITCODE
@@ -71,10 +72,10 @@ if ($TsaOnboard) {
 }
 
 if ($ArtifactToolsList -and $ArtifactToolsList.Count -gt 0) {
-  & $(Join-Path $PSScriptRoot "run-sdl.ps1") -GuardianCliLocation $guardianCliLocation -WorkingDirectory $ArtifactsDirectory -TargetDirectory $ArtifactsDirectory -GdnFolder $gdnFolder -ToolsList $ArtifactToolsList -AzureDevOpsAccessToken $AzureDevOpsAccessToken -UpdateBaseline $UpdateBaseline -GuardianLoggerLevel $GuardianLoggerLevel -CrScanAdditionalRunConfigParams $CrScanAdditionalRunConfigParams -PoliCheckAdditionalRunConfigParams $PoliCheckAdditionalRunConfigParams
+  & $(Join-Path $PSScriptRoot "run-sdl.ps1") -GuardianCliLocation $guardianCliLocation -WorkingDirectory $workingDirectory -TargetDirectory $ArtifactsDirectory -GdnFolder $gdnFolder -ToolsList $ArtifactToolsList -AzureDevOpsAccessToken $AzureDevOpsAccessToken -UpdateBaseline $UpdateBaseline -GuardianLoggerLevel $GuardianLoggerLevel -CrScanAdditionalRunConfigParams $CrScanAdditionalRunConfigParams -PoliCheckAdditionalRunConfigParams $PoliCheckAdditionalRunConfigParams
 }
 if ($SourceToolsList -and $SourceToolsList.Count -gt 0) {
-  & $(Join-Path $PSScriptRoot "run-sdl.ps1") -GuardianCliLocation $guardianCliLocation -WorkingDirectory $ArtifactsDirectory -TargetDirectory $SourceDirectory -GdnFolder $gdnFolder -ToolsList $SourceToolsList -AzureDevOpsAccessToken $AzureDevOpsAccessToken -UpdateBaseline $UpdateBaseline -GuardianLoggerLevel $GuardianLoggerLevel -CrScanAdditionalRunConfigParams $CrScanAdditionalRunConfigParams -PoliCheckAdditionalRunConfigParams $PoliCheckAdditionalRunConfigParams
+  & $(Join-Path $PSScriptRoot "run-sdl.ps1") -GuardianCliLocation $guardianCliLocation -WorkingDirectory $workingDirectory -TargetDirectory $SourceDirectory -GdnFolder $gdnFolder -ToolsList $SourceToolsList -AzureDevOpsAccessToken $AzureDevOpsAccessToken -UpdateBaseline $UpdateBaseline -GuardianLoggerLevel $GuardianLoggerLevel -CrScanAdditionalRunConfigParams $CrScanAdditionalRunConfigParams -PoliCheckAdditionalRunConfigParams $PoliCheckAdditionalRunConfigParams
 }
 
 if ($UpdateBaseline) {
@@ -86,8 +87,8 @@ if ($TsaPublish) {
     if (-not $TsaRepositoryName) {
       $TsaRepositoryName = "$($Repository)-$($BranchName)"
     }
-    Write-Host "$guardianCliLocation tsa-publish --all-tools --repository-name `"$TsaRepositoryName`" --branch-name `"$TsaBranchName`" --build-number `"$BuildNumber`" --codebase-name `"$TsaCodebaseName`" --notification-alias `"$TsaNotificationEmail`" --codebase-admin `"$TsaCodebaseAdmin`" --instance-url `"$TsaInstanceUrl`" --project-name `"$TsaProjectName`" --area-path `"$TsaBugAreaPath`" --iteration-path `"$TsaIterationPath`" --working-directory $ArtifactsDirectory --logger-level $GuardianLoggerLevel"
-    & $guardianCliLocation tsa-publish --all-tools --repository-name "$TsaRepositoryName" --branch-name "$TsaBranchName" --build-number "$BuildNumber" --onboard $True --codebase-name "$TsaCodebaseName" --notification-alias "$TsaNotificationEmail" --codebase-admin "$TsaCodebaseAdmin" --instance-url "$TsaInstanceUrl" --project-name "$TsaProjectName" --area-path "$TsaBugAreaPath" --iteration-path "$TsaIterationPath" --working-directory $ArtifactsDirectory  --logger-level $GuardianLoggerLevel
+    Write-Host "$guardianCliLocation tsa-publish --all-tools --repository-name `"$TsaRepositoryName`" --branch-name `"$TsaBranchName`" --build-number `"$BuildNumber`" --codebase-name `"$TsaCodebaseName`" --notification-alias `"$TsaNotificationEmail`" --codebase-admin `"$TsaCodebaseAdmin`" --instance-url `"$TsaInstanceUrl`" --project-name `"$TsaProjectName`" --area-path `"$TsaBugAreaPath`" --iteration-path `"$TsaIterationPath`" --working-directory $workingDirectory --logger-level $GuardianLoggerLevel"
+    & $guardianCliLocation tsa-publish --all-tools --repository-name "$TsaRepositoryName" --branch-name "$TsaBranchName" --build-number "$BuildNumber" --onboard $True --codebase-name "$TsaCodebaseName" --notification-alias "$TsaNotificationEmail" --codebase-admin "$TsaCodebaseAdmin" --instance-url "$TsaInstanceUrl" --project-name "$TsaProjectName" --area-path "$TsaBugAreaPath" --iteration-path "$TsaIterationPath" --working-directory $workingDirectory  --logger-level $GuardianLoggerLevel
     if ($LASTEXITCODE -ne 0) {
       Write-Host "Guardian tsa-publish failed with exit code $LASTEXITCODE."
       exit $LASTEXITCODE
diff --git a/eng/common/sdl/init-sdl.ps1 b/eng/common/sdl/init-sdl.ps1
index 26e01c0673..c737eb0e71 100644
--- a/eng/common/sdl/init-sdl.ps1
+++ b/eng/common/sdl/init-sdl.ps1
@@ -11,6 +11,9 @@ $ErrorActionPreference = "Stop"
 Set-StrictMode -Version 2.0
 $LASTEXITCODE = 0
 
+# Don't display the console progress UI - it's a huge perf hit
+$ProgressPreference = 'SilentlyContinue'
+
 # Construct basic auth from AzDO access token; construct URI to the repository's gdn folder stored in that repository; construct location of zip file
 $encodedPat = [Convert]::ToBase64String([System.Text.Encoding]::ASCII.GetBytes(":$AzureDevOpsAccessToken"))
 $escapedRepository = [Uri]::EscapeDataString("/$Repository/$BranchName/.gdn")
diff --git a/eng/common/sdl/packages.config b/eng/common/sdl/packages.config
index 3f97ac2f16..256ffbfb93 100644
--- a/eng/common/sdl/packages.config
+++ b/eng/common/sdl/packages.config
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Microsoft.Guardian.Cli" version="0.7.1"/>
+  <package id="Microsoft.Guardian.Cli" version="0.7.2"/>
 </packages>
diff --git a/eng/common/sdl/run-sdl.ps1 b/eng/common/sdl/run-sdl.ps1
index b90c4399ba..9bc25314ae 100644
--- a/eng/common/sdl/run-sdl.ps1
+++ b/eng/common/sdl/run-sdl.ps1
@@ -32,16 +32,16 @@ foreach ($tool in $ToolsList) {
   Write-Host $tool
   # We have to manually configure tools that run on source to look at the source directory only
   if ($tool -eq "credscan") {
-    Write-Host "$GuardianCliLocation configure --working-directory $WorkingDirectory --tool $tool --output-path $gdnConfigFile --logger-level $GuardianLoggerLevel --noninteractive --force --args `" TargetDirectory : $TargetDirectory `" `" OutputType : pre `" $(If ($CrScanAdditionalRunConfigParams) {$CrScanAdditionalRunConfigParams})"
-    & $GuardianCliLocation configure --working-directory $WorkingDirectory --tool $tool --output-path $gdnConfigFile --logger-level $GuardianLoggerLevel --noninteractive --force --args " TargetDirectory : $TargetDirectory " "OutputType : pre" $(If ($CrScanAdditionalRunConfigParams) {$CrScanAdditionalRunConfigParams})
+    Write-Host "$GuardianCliLocation configure --working-directory $WorkingDirectory --tool $tool --output-path $gdnConfigFile --logger-level $GuardianLoggerLevel --noninteractive --force --args `" TargetDirectory < $TargetDirectory `" `" OutputType < pre `" $(If ($CrScanAdditionalRunConfigParams) {$CrScanAdditionalRunConfigParams})"
+    & $GuardianCliLocation configure --working-directory $WorkingDirectory --tool $tool --output-path $gdnConfigFile --logger-level $GuardianLoggerLevel --noninteractive --force --args " TargetDirectory < $TargetDirectory " "OutputType < pre" $(If ($CrScanAdditionalRunConfigParams) {$CrScanAdditionalRunConfigParams})
     if ($LASTEXITCODE -ne 0) {
       Write-Host "Guardian configure for $tool failed with exit code $LASTEXITCODE."
       exit $LASTEXITCODE
     }
   }
   if ($tool -eq "policheck") {
-    Write-Host "$GuardianCliLocation configure --working-directory $WorkingDirectory --tool $tool --output-path $gdnConfigFile --logger-level $GuardianLoggerLevel --noninteractive --force --args `" Target : $TargetDirectory `" $(If ($PoliCheckAdditionalRunConfigParams) {$PoliCheckAdditionalRunConfigParams})"
-    & $GuardianCliLocation configure --working-directory $WorkingDirectory --tool $tool --output-path $gdnConfigFile --logger-level $GuardianLoggerLevel --noninteractive --force --args " Target : $TargetDirectory " $(If ($PoliCheckAdditionalRunConfigParams) {$PoliCheckAdditionalRunConfigParams})
+    Write-Host "$GuardianCliLocation configure --working-directory $WorkingDirectory --tool $tool --output-path $gdnConfigFile --logger-level $GuardianLoggerLevel --noninteractive --force --args `" Target < $TargetDirectory `" $(If ($PoliCheckAdditionalRunConfigParams) {$PoliCheckAdditionalRunConfigParams})"
+    & $GuardianCliLocation configure --working-directory $WorkingDirectory --tool $tool --output-path $gdnConfigFile --logger-level $GuardianLoggerLevel --noninteractive --force --args " Target < $TargetDirectory " $(If ($PoliCheckAdditionalRunConfigParams) {$PoliCheckAdditionalRunConfigParams})
     if ($LASTEXITCODE -ne 0) {
       Write-Host "Guardian configure for $tool failed with exit code $LASTEXITCODE."
       exit $LASTEXITCODE
@@ -56,4 +56,4 @@ Write-Host "$GuardianCliLocation run --working-directory $WorkingDirectory --bas
 if ($LASTEXITCODE -ne 0) {
   Write-Host "Guardian run for $ToolsList using $configParam failed with exit code $LASTEXITCODE."
   exit $LASTEXITCODE
-}
\ No newline at end of file
+}
diff --git a/eng/common/templates/job/execute-sdl.yml b/eng/common/templates/job/execute-sdl.yml
index 91621cf88f..a7f9964195 100644
--- a/eng/common/templates/job/execute-sdl.yml
+++ b/eng/common/templates/job/execute-sdl.yml
@@ -1,7 +1,10 @@
 parameters:
   overrideParameters: ''                                       # Optional: to override values for parameters.
   additionalParameters: ''                                     # Optional: parameters that need user specific values eg: '-SourceToolsList @("abc","def") -ArtifactToolsList @("ghi","jkl")'
-  continueOnError: false                                       # optional: determines whether to continue the build if the step errors;
+  # There is some sort of bug (has been reported) in Azure DevOps where if this parameter is named
+  # 'continueOnError', the parameter value is not correctly picked up.
+  # This can also be remedied by the caller (post-build.yml) if it does not use a nested parameter
+  sdlContinueOnError: false                                    # optional: determines whether to continue the build if the step errors;
   dependsOn: ''                                                # Optional: dependencies of the job
 
 jobs:
@@ -26,12 +29,12 @@ jobs:
       -InputPath $(Build.SourcesDirectory)\artifacts\BlobArtifacts
       -ExtractPath $(Build.SourcesDirectory)\artifacts\BlobArtifacts
     displayName: Extract Blob Artifacts
-    continueOnError: ${{ parameters.continueOnError }}
+    continueOnError: ${{ parameters.sdlContinueOnError }}
   - powershell: eng/common/sdl/extract-artifact-packages.ps1
       -InputPath $(Build.SourcesDirectory)\artifacts\PackageArtifacts
       -ExtractPath $(Build.SourcesDirectory)\artifacts\PackageArtifacts
     displayName: Extract Package Artifacts
-    continueOnError: ${{ parameters.continueOnError }}
+    continueOnError: ${{ parameters.sdlContinueOnError }}
   - task: NuGetToolInstaller@1
     displayName: 'Install NuGet.exe'
   - task: NuGetCommand@2
@@ -45,12 +48,12 @@ jobs:
   - ${{ if ne(parameters.overrideParameters, '') }}:
     - powershell: eng/common/sdl/execute-all-sdl-tools.ps1 ${{ parameters.overrideParameters }}
       displayName: Execute SDL
-      continueOnError: ${{ parameters.continueOnError }}
+      continueOnError: ${{ parameters.sdlContinueOnError }}
   - ${{ if eq(parameters.overrideParameters, '') }}:
     - powershell: eng/common/sdl/execute-all-sdl-tools.ps1
-        -GuardianPackageName Microsoft.Guardian.Cli.0.7.1
+        -GuardianPackageName Microsoft.Guardian.Cli.0.7.2
         -NugetPackageDirectory $(Build.SourcesDirectory)\.packages
         -AzureDevOpsAccessToken $(dn-bot-dotnet-build-rw-code-rw)
         ${{ parameters.additionalParameters }}
       displayName: Execute SDL
-      continueOnError: ${{ parameters.continueOnError }}
+      continueOnError: ${{ parameters.sdlContinueOnError }}
diff --git a/eng/common/templates/post-build/channels/public-dev-release.yml b/eng/common/templates/post-build/channels/netcore-dev-30.yml
index 36b2818558..3ce7ce4d6e 100644
--- a/eng/common/templates/post-build/channels/public-dev-release.yml
+++ b/eng/common/templates/post-build/channels/netcore-dev-30.yml
@@ -2,13 +2,14 @@ parameters:
   enableSymbolValidation: true
   symbolPublishingAdditionalParameters: ''
   artifactsPublishingAdditionalParameters: ''
+  publishInstallersAndChecksums: false
 
 stages:
-- stage: Publish
+- stage: NetCore_Dev30_Publish
   dependsOn: validate
   variables:
     - template: ../common-variables.yml
-  displayName: Developer Channel
+  displayName: .NET Core 3.0 Dev Publishing
   jobs:
   - template: ../setup-maestro-vars.yml
 
@@ -38,8 +39,8 @@ stages:
         inputs:
           filePath: eng\common\sdk-task.ps1
           arguments: -task PublishToSymbolServers -restore -msbuildEngine dotnet
-            /p:DotNetSymbolServerTokenMsdl=$(microsoft-symbol-server-pat) 
-            /p:DotNetSymbolServerTokenSymWeb=$(symweb-symbol-server-pat) 
+            /p:DotNetSymbolServerTokenMsdl=$(microsoft-symbol-server-pat)
+            /p:DotNetSymbolServerTokenSymWeb=$(symweb-symbol-server-pat)
             /p:PDBArtifactsDirectory='$(Build.ArtifactStagingDirectory)/PDBArtifacts/'
             /p:BlobBasePath='$(Build.ArtifactStagingDirectory)/BlobArtifacts/'
             /p:SymbolPublishingExclusionsFile='$(Build.SourcesDirectory)/eng/SymbolPublishingExclusionsFile.txt'
@@ -84,7 +85,7 @@ stages:
           AZURE_DEVOPS_EXT_PAT: $(dn-bot-dnceng-unviersal-packages-rw)
         inputs:
           filePath: eng\common\sdk-task.ps1
-          arguments: -task PublishArtifactsInManifest -restore -msbuildEngine dotnet 
+          arguments: -task PublishArtifactsInManifest -restore -msbuildEngine dotnet
             /p:ChannelId=$(PublicDevRelease_30_Channel_Id)
             /p:ArtifactsCategory=$(_DotNetArtifactsCategory)
             /p:IsStableBuild=$(IsStableBuild)
@@ -92,18 +93,23 @@ stages:
             /p:RepositoryName=$(Build.Repository.Name)
             /p:CommitSha=$(Build.SourceVersion)
             /p:NugetPath=$(Agent.BuildDirectory)\Nuget\NuGet.exe
-            /p:AzdoTargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)' 
-            /p:TargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)' 
-            /p:AzureStorageTargetFeedPAT='$(dotnetfeed-storage-access-key-1)' 
-            /p:BARBuildId=$(BARBuildId) 
-            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)' 
-            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)' 
-            /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/' 
-            /p:BlobBasePath='$(Build.ArtifactStagingDirectory)/BlobArtifacts/' 
-            /p:PackageBasePath='$(Build.ArtifactStagingDirectory)/PackageArtifacts/' 
-            /p:Configuration=Release 
+            /p:AzdoTargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)'
+            /p:TargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)'
+            /p:AzureStorageTargetFeedPAT='$(dotnetfeed-storage-access-key-1)'
+            /p:BARBuildId=$(BARBuildId)
+            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)'
+            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)'
+            /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/'
+            /p:BlobBasePath='$(Build.ArtifactStagingDirectory)/BlobArtifacts/'
+            /p:PackageBasePath='$(Build.ArtifactStagingDirectory)/PackageArtifacts/'
+            /p:Configuration=Release
+            /p:PublishInstallersAndChecksums=${{ parameters.publishInstallersAndChecksums }}
+            /p:InstallersTargetStaticFeed=$(InstallersBlobFeedUrl)
+            /p:InstallersAzureAccountKey=$(dotnetcli-storage-key)
+            /p:ChecksumsTargetStaticFeed=$(ChecksumsBlobFeedUrl)
+            /p:ChecksumsAzureAccountKey=$(dotnetclichecksums-storage-key)
             ${{ parameters.artifactsPublishingAdditionalParameters }}
-        
+
       - task: NuGetCommand@2
         displayName: Publish Packages to AzDO Feed
         condition: contains(variables['TargetAzDOFeed'], 'pkgs.visualstudio.com')
@@ -117,16 +123,16 @@ stages:
         displayName: Publish Blobs to AzDO Feed
         inputs:
           filePath: $(Build.SourcesDirectory)/eng/common/post-build/publish-blobs-to-azdo.ps1
-          arguments: -FeedName $(AzDoFeedName) 
+          arguments: -FeedName $(AzDoFeedName)
             -SourceFolderCollection $(Build.ArtifactStagingDirectory)/BlobArtifacts/
             -PersonalAccessToken $(dn-bot-dnceng-unviersal-packages-rw)
         enabled: false
 
 
-- stage: PublishValidation
-  displayName: Publish Validation
+- stage: NetCore_Dev30_Publish_Validation
+  displayName: .NET Core 3.0 Dev Publish Validation
   variables:
-    - template: ../common-variables.yml  
+    - template: ../common-variables.yml
   jobs:
   - template: ../setup-maestro-vars.yml
 
@@ -154,6 +160,6 @@ stages:
     parameters:
       ChannelId: ${{ variables.PublicDevRelease_30_Channel_Id }}
 
-  - template: ../promote-build.yml	
-    parameters:	
+  - template: ../promote-build.yml
+    parameters:
       ChannelId: ${{ variables.PublicDevRelease_30_Channel_Id }}
diff --git a/eng/common/templates/post-build/channels/netcore-dev-31.yml b/eng/common/templates/post-build/channels/netcore-dev-31.yml
new file mode 100644
index 0000000000..d40aaacc4f
--- /dev/null
+++ b/eng/common/templates/post-build/channels/netcore-dev-31.yml
@@ -0,0 +1,165 @@
+parameters:
+  enableSymbolValidation: true
+  symbolPublishingAdditionalParameters: ''
+  artifactsPublishingAdditionalParameters: ''
+  publishInstallersAndChecksums: false
+
+stages:
+- stage: NetCore_Dev31_Publish
+  dependsOn: validate
+  variables:
+    - template: ../common-variables.yml
+  displayName: .NET Core 3.1 Dev Publishing
+  jobs:
+  - template: ../setup-maestro-vars.yml
+
+  - job:
+    displayName: Symbol Publishing
+    dependsOn: setupMaestroVars
+    condition: contains(dependencies.setupMaestroVars.outputs['setReleaseVars.InitialChannels'], format('[{0}]', variables.PublicDevRelease_31_Channel_Id))
+    variables:
+      - group: DotNet-Symbol-Server-Pats
+    pool:
+      vmImage: 'windows-2019'
+    steps:
+      - task: DownloadBuildArtifacts@0
+        displayName: Download Blob Artifacts
+        inputs:
+          artifactName: 'BlobArtifacts'
+        continueOnError: true
+
+      - task: DownloadBuildArtifacts@0
+        displayName: Download PDB Artifacts
+        inputs:
+          artifactName: 'PDBArtifacts'
+        continueOnError: true
+
+      - task: PowerShell@2
+        displayName: Publish
+        inputs:
+          filePath: eng\common\sdk-task.ps1
+          arguments: -task PublishToSymbolServers -restore -msbuildEngine dotnet
+            /p:DotNetSymbolServerTokenMsdl=$(microsoft-symbol-server-pat)
+            /p:DotNetSymbolServerTokenSymWeb=$(symweb-symbol-server-pat)
+            /p:PDBArtifactsDirectory='$(Build.ArtifactStagingDirectory)/PDBArtifacts/'
+            /p:BlobBasePath='$(Build.ArtifactStagingDirectory)/BlobArtifacts/'
+            /p:SymbolPublishingExclusionsFile='$(Build.SourcesDirectory)/eng/SymbolPublishingExclusionsFile.txt'
+            /p:Configuration=Release
+            ${{ parameters.symbolPublishingAdditionalParameters }}
+
+  - job:
+    displayName: Publish Assets
+    dependsOn: setupMaestroVars
+    variables:
+      - group: DotNet-Blob-Feed
+      - group: AzureDevOps-Artifact-Feeds-Pats
+      - name: BARBuildId
+        value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.BARBuildId'] ]
+      - name: IsStableBuild
+        value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.IsStableBuild'] ]
+    condition: contains(dependencies.setupMaestroVars.outputs['setReleaseVars.InitialChannels'], format('[{0}]', variables.PublicDevRelease_31_Channel_Id))
+    pool:
+      vmImage: 'windows-2019'
+    steps:
+      - task: DownloadBuildArtifacts@0
+        displayName: Download Package Artifacts
+        inputs:
+          buildType: current
+          artifactName: PackageArtifacts
+
+      - task: DownloadBuildArtifacts@0
+        displayName: Download Blob Artifacts
+        inputs:
+          buildType: current
+          artifactName: BlobArtifacts
+
+      - task: DownloadBuildArtifacts@0
+        displayName: Download Asset Manifests
+        inputs:
+          buildType: current
+          artifactName: AssetManifests
+
+      - task: PowerShell@2
+        displayName: Add Assets Location
+        env:
+          AZURE_DEVOPS_EXT_PAT: $(dn-bot-dnceng-unviersal-packages-rw)
+        inputs:
+          filePath: eng\common\sdk-task.ps1
+          arguments: -task PublishArtifactsInManifest -restore -msbuildEngine dotnet
+            /p:ChannelId=$(PublicDevRelease_31_Channel_Id)
+            /p:ArtifactsCategory=$(_DotNetArtifactsCategory)
+            /p:IsStableBuild=$(IsStableBuild)
+            /p:IsInternalBuild=$(IsInternalBuild)
+            /p:RepositoryName=$(Build.Repository.Name)
+            /p:CommitSha=$(Build.SourceVersion)
+            /p:NugetPath=$(Agent.BuildDirectory)\Nuget\NuGet.exe
+            /p:AzdoTargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)'
+            /p:TargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)'
+            /p:AzureStorageTargetFeedPAT='$(dotnetfeed-storage-access-key-1)'
+            /p:BARBuildId=$(BARBuildId)
+            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)'
+            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)'
+            /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/'
+            /p:BlobBasePath='$(Build.ArtifactStagingDirectory)/BlobArtifacts/'
+            /p:PackageBasePath='$(Build.ArtifactStagingDirectory)/PackageArtifacts/'
+            /p:Configuration=Release
+            /p:PublishInstallersAndChecksums=${{ parameters.publishInstallersAndChecksums }}
+            /p:InstallersTargetStaticFeed=$(InstallersBlobFeedUrl)
+            /p:InstallersAzureAccountKey=$(dotnetcli-storage-key)
+            /p:ChecksumsTargetStaticFeed=$(ChecksumsBlobFeedUrl)
+            /p:ChecksumsAzureAccountKey=$(dotnetclichecksums-storage-key)
+            ${{ parameters.artifactsPublishingAdditionalParameters }}
+
+      - task: NuGetCommand@2
+        displayName: Publish Packages to AzDO Feed
+        condition: contains(variables['TargetAzDOFeed'], 'pkgs.visualstudio.com')
+        inputs:
+          command: push
+          vstsFeed: $(AzDoFeedName)
+          packagesToPush: $(Build.ArtifactStagingDirectory)\PackageArtifacts\*.nupkg
+          publishVstsFeed: $(AzDoFeedName)
+
+      - task: PowerShell@2
+        displayName: Publish Blobs to AzDO Feed
+        inputs:
+          filePath: $(Build.SourcesDirectory)/eng/common/post-build/publish-blobs-to-azdo.ps1
+          arguments: -FeedName $(AzDoFeedName)
+            -SourceFolderCollection $(Build.ArtifactStagingDirectory)/BlobArtifacts/
+            -PersonalAccessToken $(dn-bot-dnceng-unviersal-packages-rw)
+        enabled: false
+
+
+- stage: NetCore_Dev31_Publish_Validation
+  displayName: .NET Core 3.1 Dev Publish Validation
+  variables:
+    - template: ../common-variables.yml
+  jobs:
+  - template: ../setup-maestro-vars.yml
+
+  - ${{ if eq(parameters.enableSymbolValidation, 'true') }}:
+    - job:
+      displayName: Symbol Availability
+      dependsOn: setupMaestroVars
+      condition: contains(dependencies.setupMaestroVars.outputs['setReleaseVars.InitialChannels'], format('[{0}]', variables.PublicDevRelease_31_Channel_Id))
+      pool:
+        vmImage: 'windows-2019'
+      steps:
+        - task: DownloadBuildArtifacts@0
+          displayName: Download Package Artifacts
+          inputs:
+            buildType: current
+            artifactName: PackageArtifacts
+
+        - task: PowerShell@2
+          displayName: Check Symbol Availability
+          inputs:
+            filePath: $(Build.SourcesDirectory)/eng/common/post-build/symbols-validation.ps1
+            arguments: -InputPath $(Build.ArtifactStagingDirectory)/PackageArtifacts/ -ExtractPath $(Agent.BuildDirectory)/Temp/ -DotnetSymbolVersion $(SymbolToolVersion)
+
+  - template: ../darc-gather-drop.yml
+    parameters:
+      ChannelId: ${{ variables.PublicDevRelease_31_Channel_Id }}
+
+  - template: ../promote-build.yml
+    parameters:
+      ChannelId: ${{ variables.PublicDevRelease_31_Channel_Id }}
diff --git a/eng/common/templates/post-build/channels/netcore-dev-5.yml b/eng/common/templates/post-build/channels/netcore-dev-5.yml
index dab3a10e57..584185c2a7 100644
--- a/eng/common/templates/post-build/channels/netcore-dev-5.yml
+++ b/eng/common/templates/post-build/channels/netcore-dev-5.yml
@@ -2,13 +2,14 @@ parameters:
   enableSymbolValidation: true
   symbolPublishingAdditionalParameters: ''
   artifactsPublishingAdditionalParameters: ''
+  publishInstallersAndChecksums: false
 
 stages:
 - stage: NetCore_Dev5_Publish
   dependsOn: validate
   variables:
     - template: ../common-variables.yml
-  displayName: .NET Core 5 Dev Channel
+  displayName: .NET Core 5 Dev Publishing
   jobs:
   - template: ../setup-maestro-vars.yml
 
@@ -38,8 +39,8 @@ stages:
         inputs:
           filePath: eng\common\sdk-task.ps1
           arguments: -task PublishToSymbolServers -restore -msbuildEngine dotnet
-            /p:DotNetSymbolServerTokenMsdl=$(microsoft-symbol-server-pat) 
-            /p:DotNetSymbolServerTokenSymWeb=$(symweb-symbol-server-pat) 
+            /p:DotNetSymbolServerTokenMsdl=$(microsoft-symbol-server-pat)
+            /p:DotNetSymbolServerTokenSymWeb=$(symweb-symbol-server-pat)
             /p:PDBArtifactsDirectory='$(Build.ArtifactStagingDirectory)/PDBArtifacts/'
             /p:BlobBasePath='$(Build.ArtifactStagingDirectory)/BlobArtifacts/'
             /p:SymbolPublishingExclusionsFile='$(Build.SourcesDirectory)/eng/SymbolPublishingExclusionsFile.txt'
@@ -84,7 +85,7 @@ stages:
           AZURE_DEVOPS_EXT_PAT: $(dn-bot-dnceng-unviersal-packages-rw)
         inputs:
           filePath: eng\common\sdk-task.ps1
-          arguments: -task PublishArtifactsInManifest -restore -msbuildEngine dotnet 
+          arguments: -task PublishArtifactsInManifest -restore -msbuildEngine dotnet
             /p:ChannelId=$(NetCore_5_Dev_Channel_Id)
             /p:ArtifactsCategory=$(_DotNetArtifactsCategory)
             /p:IsStableBuild=$(IsStableBuild)
@@ -92,18 +93,23 @@ stages:
             /p:RepositoryName=$(Build.Repository.Name)
             /p:CommitSha=$(Build.SourceVersion)
             /p:NugetPath=$(Agent.BuildDirectory)\Nuget\NuGet.exe
-            /p:AzdoTargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)' 
-            /p:TargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)' 
-            /p:AzureStorageTargetFeedPAT='$(dotnetfeed-storage-access-key-1)' 
-            /p:BARBuildId=$(BARBuildId) 
-            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)' 
-            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)' 
-            /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/' 
-            /p:BlobBasePath='$(Build.ArtifactStagingDirectory)/BlobArtifacts/' 
-            /p:PackageBasePath='$(Build.ArtifactStagingDirectory)/PackageArtifacts/' 
-            /p:Configuration=Release 
+            /p:AzdoTargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)'
+            /p:TargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)'
+            /p:AzureStorageTargetFeedPAT='$(dotnetfeed-storage-access-key-1)'
+            /p:BARBuildId=$(BARBuildId)
+            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)'
+            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)'
+            /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/'
+            /p:BlobBasePath='$(Build.ArtifactStagingDirectory)/BlobArtifacts/'
+            /p:PackageBasePath='$(Build.ArtifactStagingDirectory)/PackageArtifacts/'
+            /p:Configuration=Release
+            /p:InstallersTargetStaticFeed=$(InstallersBlobFeedUrl)
+            /p:InstallersAzureAccountKey=$(dotnetcli-storage-key)
+            /p:PublishInstallersAndChecksums=${{ parameters.publishInstallersAndChecksums }}
+            /p:ChecksumsTargetStaticFeed=$(ChecksumsBlobFeedUrl)
+            /p:ChecksumsAzureAccountKey=$(dotnetclichecksums-storage-key)
             ${{ parameters.artifactsPublishingAdditionalParameters }}
-        
+
       - task: NuGetCommand@2
         displayName: Publish Packages to AzDO Feed
         condition: contains(variables['TargetAzDOFeed'], 'pkgs.visualstudio.com')
@@ -117,16 +123,16 @@ stages:
         displayName: Publish Blobs to AzDO Feed
         inputs:
           filePath: $(Build.SourcesDirectory)/eng/common/post-build/publish-blobs-to-azdo.ps1
-          arguments: -FeedName $(AzDoFeedName) 
+          arguments: -FeedName $(AzDoFeedName)
             -SourceFolderCollection $(Build.ArtifactStagingDirectory)/BlobArtifacts/
             -PersonalAccessToken $(dn-bot-dnceng-unviersal-packages-rw)
         enabled: false
 
 
-- stage: NetCore_Dev5_PublishValidation
-  displayName: Publish Validation
+- stage: NetCore_Dev5_Publish_Validation
+  displayName: .NET Core 5 Dev Publish Validation
   variables:
-    - template: ../common-variables.yml  
+    - template: ../common-variables.yml
   jobs:
   - template: ../setup-maestro-vars.yml
 
@@ -154,6 +160,6 @@ stages:
     parameters:
       ChannelId: ${{ variables.NetCore_5_Dev_Channel_Id }}
 
-  - template: ../promote-build.yml	
-    parameters:	
+  - template: ../promote-build.yml
+    parameters:
       ChannelId: ${{ variables.NetCore_5_Dev_Channel_Id }}
diff --git a/eng/common/templates/post-build/channels/internal-servicing.yml b/eng/common/templates/post-build/channels/netcore-internal-30.yml
index 4ca36358d9..8bf88fd49e 100644
--- a/eng/common/templates/post-build/channels/internal-servicing.yml
+++ b/eng/common/templates/post-build/channels/netcore-internal-30.yml
@@ -4,11 +4,11 @@ parameters:
   artifactsPublishingAdditionalParameters: ''
 
 stages:
-- stage: IS_Publish
+- stage: NetCore_30_Internal_Servicing_Publishing
   dependsOn: validate
   variables:
     - template: ../common-variables.yml
-  displayName: Internal Servicing
+  displayName: .NET Core 3.0 Internal Servicing Publishing
   jobs:
   - template: ../setup-maestro-vars.yml
 
@@ -38,8 +38,8 @@ stages:
         inputs:
           filePath: eng\common\sdk-task.ps1
           arguments: -task PublishToSymbolServers -restore -msbuildEngine dotnet
-            /p:DotNetSymbolServerTokenMsdl=$(microsoft-symbol-server-pat) 
-            /p:DotNetSymbolServerTokenSymWeb=$(symweb-symbol-server-pat) 
+            /p:DotNetSymbolServerTokenMsdl=$(microsoft-symbol-server-pat)
+            /p:DotNetSymbolServerTokenSymWeb=$(symweb-symbol-server-pat)
             /p:PDBArtifactsDirectory='$(Build.ArtifactStagingDirectory)/PDBArtifacts/'
             /p:BlobBasePath='$(Build.ArtifactStagingDirectory)/BlobArtifacts/'
             /p:SymbolPublishingExclusionsFile='$(Build.SourcesDirectory)/eng/SymbolPublishingExclusionsFile.txt'
@@ -84,7 +84,7 @@ stages:
           AZURE_DEVOPS_EXT_PAT: $(dn-bot-dnceng-unviersal-packages-rw)
         inputs:
           filePath: eng\common\sdk-task.ps1
-          arguments: -task PublishArtifactsInManifest -restore -msbuildEngine dotnet 
+          arguments: -task PublishArtifactsInManifest -restore -msbuildEngine dotnet
             /p:ChannelId=$(InternalServicing_30_Channel_Id)
             /p:IsStableBuild=$(IsStableBuild)
             /p:IsInternalBuild=$(IsInternalBuild)
@@ -95,15 +95,15 @@ stages:
             /p:AzureDevOpsFeedsBaseUrl=$(dotnetfeed-internal-private-feed-url)
             /p:StaticInternalFeed=$(dotnetfeed-internal-nonstable-feed-url)
             /p:NugetPath=$(Agent.BuildDirectory)\Nuget\NuGet.exe
-            /p:BARBuildId=$(BARBuildId) 
-            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)' 
-            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)' 
-            /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/' 
-            /p:BlobBasePath='$(Build.ArtifactStagingDirectory)\BlobArtifacts' 
-            /p:PackageBasePath='$(Build.ArtifactStagingDirectory)\PackageArtifacts' 
-            /p:Configuration=Release 
+            /p:BARBuildId=$(BARBuildId)
+            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)'
+            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)'
+            /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/'
+            /p:BlobBasePath='$(Build.ArtifactStagingDirectory)\BlobArtifacts'
+            /p:PackageBasePath='$(Build.ArtifactStagingDirectory)\PackageArtifacts'
+            /p:Configuration=Release
             ${{ parameters.artifactsPublishingAdditionalParameters }}
-        
+
       - task: NuGetCommand@2
         displayName: Publish Packages to AzDO Feed
         condition: contains(variables['TargetAzDOFeed'], 'pkgs.visualstudio.com')
@@ -117,7 +117,7 @@ stages:
         displayName: Publish Blobs to AzDO Feed
         inputs:
           filePath: $(Build.SourcesDirectory)/eng/common/post-build/publish-blobs-to-azdo.ps1
-          arguments: -FeedName $(AzDoFeedName) 
+          arguments: -FeedName $(AzDoFeedName)
             -SourceFolderCollection $(Build.ArtifactStagingDirectory)/BlobArtifacts/
             -PersonalAccessToken $(dn-bot-dnceng-unviersal-packages-rw)
         enabled: false
@@ -125,11 +125,11 @@ stages:
       - template: ../trigger-subscription.yml
         parameters:
           ChannelId: ${{ variables.InternalServicing_30_Channel_Id }}
-        
-- stage: IS_PublishValidation
-  displayName: Publish Validation
+
+- stage: NetCore_30_Internal_Servicing_Publish_Validation
+  displayName: .NET Core 3.0 Internal Servicing Publish Validation
   variables:
-    - template: ../common-variables.yml  
+    - template: ../common-variables.yml
   jobs:
   - template: ../setup-maestro-vars.yml
 
diff --git a/eng/common/templates/post-build/channels/public-release.yml b/eng/common/templates/post-build/channels/netcore-release-30.yml
index 5dcd9a8c41..dc9541d9ec 100644
--- a/eng/common/templates/post-build/channels/public-release.yml
+++ b/eng/common/templates/post-build/channels/netcore-release-30.yml
@@ -4,11 +4,11 @@ parameters:
   artifactsPublishingAdditionalParameters: ''
 
 stages:
-- stage: PubRel_Publish
+- stage: NetCore_Release30_Publish
   dependsOn: validate
   variables:
     - template: ../common-variables.yml
-  displayName: Public Release
+  displayName: .NET Core 3.0 Release Publishing
   jobs:
   - template: ../setup-maestro-vars.yml
 
@@ -38,8 +38,8 @@ stages:
         inputs:
           filePath: eng\common\sdk-task.ps1
           arguments: -task PublishToSymbolServers -restore -msbuildEngine dotnet
-            /p:DotNetSymbolServerTokenMsdl=$(microsoft-symbol-server-pat) 
-            /p:DotNetSymbolServerTokenSymWeb=$(symweb-symbol-server-pat) 
+            /p:DotNetSymbolServerTokenMsdl=$(microsoft-symbol-server-pat)
+            /p:DotNetSymbolServerTokenSymWeb=$(symweb-symbol-server-pat)
             /p:PDBArtifactsDirectory='$(Build.ArtifactStagingDirectory)/PDBArtifacts/'
             /p:BlobBasePath='$(Build.ArtifactStagingDirectory)/BlobArtifacts/'
             /p:SymbolPublishingExclusionsFile='$(Build.SourcesDirectory)/eng/SymbolPublishingExclusionsFile.txt'
@@ -84,26 +84,27 @@ stages:
           AZURE_DEVOPS_EXT_PAT: $(dn-bot-dnceng-unviersal-packages-rw)
         inputs:
           filePath: eng\common\sdk-task.ps1
-          arguments: -task PublishArtifactsInManifest -restore -msbuildEngine dotnet 
+          arguments: -task PublishArtifactsInManifest -restore -msbuildEngine dotnet
             /p:ChannelId=$(PublicRelease_30_Channel_Id)
             /p:IsStableBuild=$(IsStableBuild)
             /p:IsInternalBuild=$(IsInternalBuild)
             /p:RepositoryName=$(Build.Repository.Name)
             /p:CommitSha=$(Build.SourceVersion)
+            /p:AzureStorageTargetFeedPAT='$(dotnetfeed-storage-access-key-1)'
             /p:AzureStorageAccountName=$(ProxyBackedFeedsAccountName)
             /p:AzureStorageAccountKey=$(dotnetfeed-storage-access-key-1)
             /p:AzureDevOpsFeedsBaseUrl=$(dotnetfeed-internal-private-feed-url)
             /p:StaticInternalFeed=$(dotnetfeed-internal-nonstable-feed-url)
             /p:NugetPath=$(Agent.BuildDirectory)\Nuget\NuGet.exe
-            /p:BARBuildId=$(BARBuildId) 
-            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)' 
-            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)' 
-            /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/' 
-            /p:BlobBasePath='$(Build.ArtifactStagingDirectory)\BlobArtifacts' 
-            /p:PackageBasePath='$(Build.ArtifactStagingDirectory)\PackageArtifacts' 
-            /p:Configuration=Release 
+            /p:BARBuildId=$(BARBuildId)
+            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)'
+            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)'
+            /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/'
+            /p:BlobBasePath='$(Build.ArtifactStagingDirectory)\BlobArtifacts'
+            /p:PackageBasePath='$(Build.ArtifactStagingDirectory)\PackageArtifacts'
+            /p:Configuration=Release
             ${{ parameters.artifactsPublishingAdditionalParameters }}
-        
+
       - task: NuGetCommand@2
         displayName: Publish Packages to AzDO Feed
         condition: contains(variables['TargetAzDOFeed'], 'pkgs.visualstudio.com')
@@ -117,7 +118,7 @@ stages:
         displayName: Publish Blobs to AzDO Feed
         inputs:
           filePath: $(Build.SourcesDirectory)/eng/common/post-build/publish-blobs-to-azdo.ps1
-          arguments: -FeedName $(AzDoFeedName) 
+          arguments: -FeedName $(AzDoFeedName)
             -SourceFolderCollection $(Build.ArtifactStagingDirectory)/BlobArtifacts/
             -PersonalAccessToken $(dn-bot-dnceng-unviersal-packages-rw)
         enabled: false
@@ -126,10 +127,10 @@ stages:
         parameters:
           ChannelId: ${{ variables.PublicRelease_30_Channel_Id }}
 
-- stage: PubRel_PublishValidation
-  displayName: Publish Validation
+- stage: NetCore_Release30_Publish_Validation
+  displayName: .NET Core 3.0 Release Publish Validation
   variables:
-    - template: ../common-variables.yml  
+    - template: ../common-variables.yml
   jobs:
   - template: ../setup-maestro-vars.yml
 
@@ -137,7 +138,8 @@ stages:
     - job:
       displayName: Symbol Availability
       dependsOn: setupMaestroVars
-      condition: contains(dependencies.setupMaestroVars.outputs['setReleaseVars.InitialChannels'], format('[{0}]', variables.PublicRelease_30_Channel_Id))
+      condition: or(contains(dependencies.setupMaestroVars.outputs['setReleaseVars.InitialChannels'], format('[{0}]', variables.PublicRelease_30_Channel_Id)),
+                    contains(dependencies.setupMaestroVars.outputs['setReleaseVars.InitialChannels'], format('[{0}]', variables.PublicRelease_31_Channel_Id)))
       pool:
         vmImage: 'windows-2019'
       steps:
diff --git a/eng/common/templates/post-build/channels/netcore-release-31.yml b/eng/common/templates/post-build/channels/netcore-release-31.yml
new file mode 100644
index 0000000000..4dcf4ba9c8
--- /dev/null
+++ b/eng/common/templates/post-build/channels/netcore-release-31.yml
@@ -0,0 +1,160 @@
+parameters:
+  enableSymbolValidation: true
+  symbolPublishingAdditionalParameters: ''
+  artifactsPublishingAdditionalParameters: ''
+
+stages:
+- stage: NetCore_Release31_Publish
+  dependsOn: validate
+  variables:
+    - template: ../common-variables.yml
+  displayName: .NET Core 3.1 Release Publishing
+  jobs:
+  - template: ../setup-maestro-vars.yml
+
+  - job:
+    displayName: Symbol Publishing
+    dependsOn: setupMaestroVars
+    condition: contains(dependencies.setupMaestroVars.outputs['setReleaseVars.InitialChannels'], format('[{0}]', variables.PublicRelease_31_Channel_Id))
+    variables:
+      - group: DotNet-Symbol-Server-Pats
+    pool:
+      vmImage: 'windows-2019'
+    steps:
+      - task: DownloadBuildArtifacts@0
+        displayName: Download Blob Artifacts
+        inputs:
+          artifactName: 'BlobArtifacts'
+        continueOnError: true
+
+      - task: DownloadBuildArtifacts@0
+        displayName: Download PDB Artifacts
+        inputs:
+          artifactName: 'PDBArtifacts'
+        continueOnError: true
+
+      - task: PowerShell@2
+        displayName: Publish
+        inputs:
+          filePath: eng\common\sdk-task.ps1
+          arguments: -task PublishToSymbolServers -restore -msbuildEngine dotnet
+            /p:DotNetSymbolServerTokenMsdl=$(microsoft-symbol-server-pat)
+            /p:DotNetSymbolServerTokenSymWeb=$(symweb-symbol-server-pat)
+            /p:PDBArtifactsDirectory='$(Build.ArtifactStagingDirectory)/PDBArtifacts/'
+            /p:BlobBasePath='$(Build.ArtifactStagingDirectory)/BlobArtifacts/'
+            /p:SymbolPublishingExclusionsFile='$(Build.SourcesDirectory)/eng/SymbolPublishingExclusionsFile.txt'
+            /p:Configuration=Release
+            ${{ parameters.symbolPublishingAdditionalParameters }}
+
+  - job: publish_assets
+    displayName: Publish Assets
+    dependsOn: setupMaestroVars
+    variables:
+      - group: DotNet-Blob-Feed
+      - group: AzureDevOps-Artifact-Feeds-Pats
+      - name: BARBuildId
+        value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.BARBuildId'] ]
+      - name: IsStableBuild
+        value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.IsStableBuild'] ]
+    condition: contains(dependencies.setupMaestroVars.outputs['setReleaseVars.InitialChannels'], format('[{0}]', variables.PublicRelease_31_Channel_Id))
+    pool:
+      vmImage: 'windows-2019'
+    steps:
+      - task: DownloadBuildArtifacts@0
+        displayName: Download Package Artifacts
+        inputs:
+          buildType: current
+          artifactName: PackageArtifacts
+
+      - task: DownloadBuildArtifacts@0
+        displayName: Download Blob Artifacts
+        inputs:
+          buildType: current
+          artifactName: BlobArtifacts
+
+      - task: DownloadBuildArtifacts@0
+        displayName: Download Asset Manifests
+        inputs:
+          buildType: current
+          artifactName: AssetManifests
+
+      - task: PowerShell@2
+        displayName: Publish
+        env:
+          AZURE_DEVOPS_EXT_PAT: $(dn-bot-dnceng-unviersal-packages-rw)
+        inputs:
+          filePath: eng\common\sdk-task.ps1
+          arguments: -task PublishArtifactsInManifest -restore -msbuildEngine dotnet
+            /p:ChannelId=$(PublicRelease_31_Channel_Id)
+            /p:IsStableBuild=$(IsStableBuild)
+            /p:IsInternalBuild=$(IsInternalBuild)
+            /p:RepositoryName=$(Build.Repository.Name)
+            /p:CommitSha=$(Build.SourceVersion)
+            /p:AzureStorageTargetFeedPAT='$(dotnetfeed-storage-access-key-1)'
+            /p:AzureStorageAccountName=$(ProxyBackedFeedsAccountName)
+            /p:AzureStorageAccountKey=$(dotnetfeed-storage-access-key-1)
+            /p:AzureDevOpsFeedsBaseUrl=$(dotnetfeed-internal-private-feed-url)
+            /p:StaticInternalFeed=$(dotnetfeed-internal-nonstable-feed-url)
+            /p:NugetPath=$(Agent.BuildDirectory)\Nuget\NuGet.exe
+            /p:BARBuildId=$(BARBuildId)
+            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)'
+            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)'
+            /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/'
+            /p:BlobBasePath='$(Build.ArtifactStagingDirectory)\BlobArtifacts'
+            /p:PackageBasePath='$(Build.ArtifactStagingDirectory)\PackageArtifacts'
+            /p:Configuration=Release
+            ${{ parameters.artifactsPublishingAdditionalParameters }}
+
+      - task: NuGetCommand@2
+        displayName: Publish Packages to AzDO Feed
+        condition: contains(variables['TargetAzDOFeed'], 'pkgs.visualstudio.com')
+        inputs:
+          command: push
+          vstsFeed: $(AzDoFeedName)
+          packagesToPush: $(Build.ArtifactStagingDirectory)\PackageArtifacts\*.nupkg
+          publishVstsFeed: $(AzDoFeedName)
+
+      - task: PowerShell@2
+        displayName: Publish Blobs to AzDO Feed
+        inputs:
+          filePath: $(Build.SourcesDirectory)/eng/common/post-build/publish-blobs-to-azdo.ps1
+          arguments: -FeedName $(AzDoFeedName)
+            -SourceFolderCollection $(Build.ArtifactStagingDirectory)/BlobArtifacts/
+            -PersonalAccessToken $(dn-bot-dnceng-unviersal-packages-rw)
+        enabled: false
+
+      - template: ../trigger-subscription.yml
+        parameters:
+          ChannelId: ${{ variables.PublicRelease_31_Channel_Id }}
+
+- stage: NetCore_Release31_Publish_Validation
+  displayName: .NET Core 3.1 Release Publish Validation
+  variables:
+    - template: ../common-variables.yml
+  jobs:
+  - template: ../setup-maestro-vars.yml
+
+  - ${{ if eq(parameters.enableSymbolValidation, 'true') }}:
+    - job:
+      displayName: Symbol Availability
+      dependsOn: setupMaestroVars
+      condition: or(contains(dependencies.setupMaestroVars.outputs['setReleaseVars.InitialChannels'], format('[{0}]', variables.PublicRelease_31_Channel_Id)),
+                    contains(dependencies.setupMaestroVars.outputs['setReleaseVars.InitialChannels'], format('[{0}]', variables.PublicRelease_31_Channel_Id)))
+      pool:
+        vmImage: 'windows-2019'
+      steps:
+        - task: DownloadBuildArtifacts@0
+          displayName: Download Package Artifacts
+          inputs:
+            buildType: current
+            artifactName: PackageArtifacts
+
+        - task: PowerShell@2
+          displayName: Check Symbol Availability
+          inputs:
+            filePath: $(Build.SourcesDirectory)/eng/common/post-build/symbols-validation.ps1
+            arguments: -InputPath $(Build.ArtifactStagingDirectory)/PackageArtifacts/ -ExtractPath $(Agent.BuildDirectory)/Temp/ -DotnetSymbolVersion $(SymbolToolVersion)
+
+  - template: ../promote-build.yml
+    parameters:
+      ChannelId: ${{ variables.PublicRelease_31_Channel_Id }}
diff --git a/eng/common/templates/post-build/channels/netcore-tools-latest.yml b/eng/common/templates/post-build/channels/netcore-tools-latest.yml
index 982ee00627..4d9f197d43 100644
--- a/eng/common/templates/post-build/channels/netcore-tools-latest.yml
+++ b/eng/common/templates/post-build/channels/netcore-tools-latest.yml
@@ -2,13 +2,16 @@ parameters:
   enableSymbolValidation: true
   symbolPublishingAdditionalParameters: ''
   artifactsPublishingAdditionalParameters: ''
+  publishInstallersAndChecksums: false
+  publishToAzureDevOpsFeeds: false
+  azureDevOpsToolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json'
 
 stages:
 - stage: NetCore_Tools_Latest_Publish
   dependsOn: validate
   variables:
     - template: ../common-variables.yml
-  displayName: .NET Tools - Latest
+  displayName: .NET Tools - Latest Publishing
   jobs:
   - template: ../setup-maestro-vars.yml
 
@@ -38,8 +41,8 @@ stages:
         inputs:
           filePath: eng\common\sdk-task.ps1
           arguments: -task PublishToSymbolServers -restore -msbuildEngine dotnet
-            /p:DotNetSymbolServerTokenMsdl=$(microsoft-symbol-server-pat) 
-            /p:DotNetSymbolServerTokenSymWeb=$(symweb-symbol-server-pat) 
+            /p:DotNetSymbolServerTokenMsdl=$(microsoft-symbol-server-pat)
+            /p:DotNetSymbolServerTokenSymWeb=$(symweb-symbol-server-pat)
             /p:PDBArtifactsDirectory='$(Build.ArtifactStagingDirectory)/PDBArtifacts/'
             /p:BlobBasePath='$(Build.ArtifactStagingDirectory)/BlobArtifacts/'
             /p:SymbolPublishingExclusionsFile='$(Build.SourcesDirectory)/eng/SymbolPublishingExclusionsFile.txt'
@@ -84,7 +87,7 @@ stages:
           AZURE_DEVOPS_EXT_PAT: $(dn-bot-dnceng-unviersal-packages-rw)
         inputs:
           filePath: eng\common\sdk-task.ps1
-          arguments: -task PublishArtifactsInManifest -restore -msbuildEngine dotnet 
+          arguments: -task PublishArtifactsInManifest -restore -msbuildEngine dotnet
             /p:ChannelId=$(NetCore_Tools_Latest_Channel_Id)
             /p:ArtifactsCategory=$(_DotNetArtifactsCategory)
             /p:IsStableBuild=$(IsStableBuild)
@@ -92,18 +95,28 @@ stages:
             /p:RepositoryName=$(Build.Repository.Name)
             /p:CommitSha=$(Build.SourceVersion)
             /p:NugetPath=$(Agent.BuildDirectory)\Nuget\NuGet.exe
-            /p:AzdoTargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)' 
-            /p:TargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)' 
-            /p:AzureStorageTargetFeedPAT='$(dotnetfeed-storage-access-key-1)' 
-            /p:BARBuildId=$(BARBuildId) 
-            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)' 
-            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)' 
-            /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/' 
-            /p:BlobBasePath='$(Build.ArtifactStagingDirectory)/BlobArtifacts/' 
-            /p:PackageBasePath='$(Build.ArtifactStagingDirectory)/PackageArtifacts/' 
-            /p:Configuration=Release 
+            /p:AzdoTargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)'
+            /p:TargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)'
+            /p:AzureStorageTargetFeedPAT='$(dotnetfeed-storage-access-key-1)'
+            /p:BARBuildId=$(BARBuildId)
+            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)'
+            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)'
+            /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/'
+            /p:BlobBasePath='$(Build.ArtifactStagingDirectory)/BlobArtifacts/'
+            /p:PackageBasePath='$(Build.ArtifactStagingDirectory)/PackageArtifacts/'
+            /p:Configuration=Release
+            /p:InstallersTargetStaticFeed=$(InstallersBlobFeedUrl)
+            /p:PublishInstallersAndChecksums=${{ parameters.publishInstallersAndChecksums }}
+            /p:InstallersAzureAccountKey=$(dotnetcli-storage-key)
+            /p:ChecksumsTargetStaticFeed=$(ChecksumsBlobFeedUrl)
+            /p:ChecksumsAzureAccountKey=$(dotnetclichecksums-storage-key)
+            /p:PublishToAzureDevOpsNuGetFeeds=${{ parameters.publishToAzureDevOpsFeeds }}
+            /p:AzureDevOpsStaticShippingFeed=${{ parameters.azureDevOpsToolsFeed }}
+            /p:AzureDevOpsStaticShippingFeedKey='$(dn-bot-dnceng-artifact-feeds-rw)'
+            /p:AzureDevOpsStaticTransportFeed=${{ parameters.azureDevOpsToolsFeed }}
+            /p:AzureDevOpsStaticTransportFeedKey='$(dn-bot-dnceng-artifact-feeds-rw)
             ${{ parameters.artifactsPublishingAdditionalParameters }}
-        
+
       - task: NuGetCommand@2
         displayName: Publish Packages to AzDO Feed
         condition: contains(variables['TargetAzDOFeed'], 'pkgs.visualstudio.com')
@@ -117,16 +130,16 @@ stages:
         displayName: Publish Blobs to AzDO Feed
         inputs:
           filePath: $(Build.SourcesDirectory)/eng/common/post-build/publish-blobs-to-azdo.ps1
-          arguments: -FeedName $(AzDoFeedName) 
+          arguments: -FeedName $(AzDoFeedName)
             -SourceFolderCollection $(Build.ArtifactStagingDirectory)/BlobArtifacts/
             -PersonalAccessToken $(dn-bot-dnceng-unviersal-packages-rw)
         enabled: false
 
 
 - stage: NetCore_Tools_Latest_PublishValidation
-  displayName: Publish Validation
+  displayName: .NET Tools - Latest Publish Validation
   variables:
-    - template: ../common-variables.yml  
+    - template: ../common-variables.yml
   jobs:
   - template: ../setup-maestro-vars.yml
 
@@ -154,6 +167,6 @@ stages:
     parameters:
       ChannelId: ${{ variables.NetCore_Tools_Latest_Channel_Id }}
 
-  - template: ../promote-build.yml	
-    parameters:	
+  - template: ../promote-build.yml
+    parameters:
       ChannelId: ${{ variables.NetCore_Tools_Latest_Channel_Id }}
diff --git a/eng/common/templates/post-build/channels/public-validation-release.yml b/eng/common/templates/post-build/channels/public-validation-release.yml
index c62831095b..e306fa87bf 100644
--- a/eng/common/templates/post-build/channels/public-validation-release.yml
+++ b/eng/common/templates/post-build/channels/public-validation-release.yml
@@ -1,12 +1,15 @@
 parameters:
   artifactsPublishingAdditionalParameters: ''
+  publishInstallersAndChecksums: false
+  publishToAzureDevOpsFeeds: false
+  azureDevOpsToolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json'
 
 stages:
 - stage: PVR_Publish
   dependsOn: validate
   variables:
     - template: ../common-variables.yml
-  displayName: Validation Channel
+  displayName: .NET Tools - Validation Publishing
   jobs:
   - template: ../setup-maestro-vars.yml
 
@@ -48,7 +51,7 @@ stages:
           AZURE_DEVOPS_EXT_PAT: $(dn-bot-dnceng-unviersal-packages-rw)
         inputs:
           filePath: eng\common\sdk-task.ps1
-          arguments: -task PublishArtifactsInManifest -restore -msbuildEngine dotnet 
+          arguments: -task PublishArtifactsInManifest -restore -msbuildEngine dotnet
             /p:ChannelId=$(PublicValidationRelease_30_Channel_Id)
             /p:ArtifactsCategory=$(_DotNetValidationArtifactsCategory)
             /p:IsStableBuild=$(IsStableBuild)
@@ -56,16 +59,26 @@ stages:
             /p:RepositoryName=$(Build.Repository.Name)
             /p:CommitSha=$(Build.SourceVersion)
             /p:NugetPath=$(Agent.BuildDirectory)\Nuget\NuGet.exe
-            /p:AzdoTargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)' 
-            /p:TargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)' 
-            /p:AzureStorageTargetFeedPAT='$(dotnetfeed-storage-access-key-1)' 
-            /p:BARBuildId=$(BARBuildId) 
-            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)' 
-            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)' 
-            /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/' 
-            /p:BlobBasePath='$(Build.ArtifactStagingDirectory)\BlobArtifacts' 
-            /p:PackageBasePath='$(Build.ArtifactStagingDirectory)\PackageArtifacts' 
-            /p:Configuration=Release 
+            /p:AzdoTargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)'
+            /p:TargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)'
+            /p:AzureStorageTargetFeedPAT='$(dotnetfeed-storage-access-key-1)'
+            /p:BARBuildId=$(BARBuildId)
+            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)'
+            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)'
+            /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/'
+            /p:BlobBasePath='$(Build.ArtifactStagingDirectory)\BlobArtifacts'
+            /p:PackageBasePath='$(Build.ArtifactStagingDirectory)\PackageArtifacts'
+            /p:Configuration=Release
+            /p:InstallersTargetStaticFeed=$(InstallersBlobFeedUrl)
+            /p:InstallersAzureAccountKey=$(dotnetcli-storage-key)
+            /p:PublishInstallersAndChecksums=${{ parameters.publishInstallersAndChecksums }}
+            /p:ChecksumsTargetStaticFeed=$(ChecksumsBlobFeedUrl)
+            /p:ChecksumsAzureAccountKey=$(dotnetclichecksums-storage-key)
+            /p:PublishToAzureDevOpsNuGetFeeds=${{ parameters.publishToAzureDevOpsFeeds }}
+            /p:AzureDevOpsStaticShippingFeed=${{ parameters.azureDevOpsToolsFeed }}
+            /p:AzureDevOpsStaticShippingFeedKey='$(dn-bot-dnceng-artifact-feeds-rw)'
+            /p:AzureDevOpsStaticTransportFeed=${{ parameters.azureDevOpsToolsFeed }}
+            /p:AzureDevOpsStaticTransportFeedKey='$(dn-bot-dnceng-artifact-feeds-rw)'
             ${{ parameters.artifactsPublishingAdditionalParameters }}
 
       - task: NuGetCommand@2
@@ -81,14 +94,14 @@ stages:
         displayName: Publish Blobs to AzDO Feed
         inputs:
           filePath: $(Build.SourcesDirectory)/eng/common/post-build/publish-blobs-to-azdo.ps1
-          arguments: -FeedName $(AzDoFeedName) 
+          arguments: -FeedName $(AzDoFeedName)
             -SourceFolderCollection $(Build.ArtifactStagingDirectory)/BlobArtifacts/
             -PersonalAccessToken $(dn-bot-dnceng-unviersal-packages-rw)
         enabled: false
 
 
 - stage: PVR_PublishValidation
-  displayName: Publish Validation
+  displayName: .NET Tools - Validation Publish Validation
   variables:
     - template: ../common-variables.yml
   jobs:
@@ -98,6 +111,6 @@ stages:
     parameters:
       ChannelId: ${{ variables.PublicValidationRelease_30_Channel_Id }}
 
-  - template: ../promote-build.yml	
-    parameters:	
+  - template: ../promote-build.yml
+    parameters:
       ChannelId: ${{ variables.PublicValidationRelease_30_Channel_Id }}
diff --git a/eng/common/templates/post-build/common-variables.yml b/eng/common/templates/post-build/common-variables.yml
index 52a74487fd..49712b3a60 100644
--- a/eng/common/templates/post-build/common-variables.yml
+++ b/eng/common/templates/post-build/common-variables.yml
@@ -1,10 +1,15 @@
 variables:
   - group: Publish-Build-Assets
+  - group: DotNet-DotNetCli-Storage
 
   # .NET Core 3 Dev
   - name: PublicDevRelease_30_Channel_Id
     value: 3
 
+  # .NET Core 3.1 Dev
+  - name: PublicDevRelease_31_Channel_Id
+    value: 260
+
   # .NET Core 5 Dev
   - name: NetCore_5_Dev_Channel_Id
     value: 131
@@ -25,6 +30,10 @@ variables:
   - name: PublicRelease_30_Channel_Id
     value: 19
 
+  # .NET Core 3.1 Release
+  - name: PublicRelease_31_Channel_Id
+    value: 129
+
   # Whether the build is internal or not
   - name: IsInternalBuild
     value: ${{ and(ne(variables['System.TeamProject'], 'public'), contains(variables['Build.SourceBranch'], 'internal')) }}
@@ -45,3 +54,9 @@ variables:
     value: 3.0.0
   - name: SymbolToolVersion
     value: 1.0.1
+
+  # Default locations for Installers and checksums
+  - name: ChecksumsBlobFeedUrl
+    value: https://dotnetclichecksums.blob.core.windows.net/dotnet/index.json
+  - name: InstallersBlobFeedUrl
+    value: https://dotnetcli.blob.core.windows.net/dotnet/index.json
diff --git a/eng/common/templates/post-build/post-build.yml b/eng/common/templates/post-build/post-build.yml
index e6b75088c9..ae376b7747 100644
--- a/eng/common/templates/post-build/post-build.yml
+++ b/eng/common/templates/post-build/post-build.yml
@@ -1,10 +1,13 @@
 parameters:
-  enableSourceLinkValidation: true
+  enableSourceLinkValidation: false
   enableSigningValidation: true
-  enableSymbolValidation: true
+  enableSymbolValidation: false
   enableNugetValidation: true
+  publishInstallersAndChecksums: false
+  enableAzDONuGetFeeds: true
   SDLValidationParameters:
     enable: false
+    continueOnError: false
     params: ''
 
   # These parameters let the user customize the call to sdk-task.ps1 for publishing
@@ -85,40 +88,60 @@ stages:
               -GHRepoName $(Build.Repository.Name) 
               -GHCommit $(Build.SourceVersion)
               -SourcelinkCliVersion $(SourceLinkCLIVersion)
+          continueOnError: true
 
   - ${{ if eq(parameters.SDLValidationParameters.enable, 'true') }}:
     - template: /eng/common/templates/job/execute-sdl.yml
       parameters:
         additionalParameters: ${{ parameters.SDLValidationParameters.params }}
+        continueOnError: ${{ parameters.SDLValidationParameters.continueOnError }}
 
 - template: \eng\common\templates\post-build\channels\netcore-dev-5.yml
   parameters:
     enableSymbolValidation: ${{ parameters.enableSymbolValidation }}
     symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
     artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
 
-- template: \eng\common\templates\post-build\channels\public-dev-release.yml
+- template: \eng\common\templates\post-build\channels\netcore-dev-30.yml
   parameters:
     enableSymbolValidation: ${{ parameters.enableSymbolValidation }}
     symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
     artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+
+- template: \eng\common\templates\post-build\channels\netcore-dev-31.yml
+  parameters:
+    enableSymbolValidation: ${{ parameters.enableSymbolValidation }}
+    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
 
 - template: \eng\common\templates\post-build\channels\netcore-tools-latest.yml
   parameters:
     enableSymbolValidation: ${{ parameters.enableSymbolValidation }}
     symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
     artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+    enableAzDONuGetFeeds: ${{ parameters.enableAzDONuGetFeeds }}
 
 - template: \eng\common\templates\post-build\channels\public-validation-release.yml
   parameters:
     artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+    enableAzDONuGetFeeds: ${{ parameters.enableAzDONuGetFeeds }}
+
+- template: \eng\common\templates\post-build\channels\netcore-release-30.yml
+  parameters:
+    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
 
-- template: \eng\common\templates\post-build\channels\public-release.yml
+- template: \eng\common\templates\post-build\channels\netcore-release-31.yml
   parameters:
     symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
     artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
 
-- template: \eng\common\templates\post-build\channels\internal-servicing.yml
+- template: \eng\common\templates\post-build\channels\netcore-internal-30.yml
   parameters:
     symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
     artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
diff --git a/eng/common/tools.ps1 b/eng/common/tools.ps1
index 9c12b1b4fd..bb5638930a 100644
--- a/eng/common/tools.ps1
+++ b/eng/common/tools.ps1
@@ -163,6 +163,7 @@ function GetDotNetInstallScript([string] $dotnetRoot) {
   $installScript = Join-Path $dotnetRoot "dotnet-install.ps1"
   if (!(Test-Path $installScript)) {
     Create-Directory $dotnetRoot
+    $ProgressPreference = 'SilentlyContinue' # Don't display the console progress UI - it's a huge perf hit
     Invoke-WebRequest "https://dot.net/$dotnetInstallScriptVersion/dotnet-install.ps1" -OutFile $installScript
   }
 
@@ -282,6 +283,7 @@ function InitializeXCopyMSBuild([string]$packageVersion, [bool]$install) {
 
     Create-Directory $packageDir
     Write-Host "Downloading $packageName $packageVersion"
+    $ProgressPreference = 'SilentlyContinue' # Don't display the console progress UI - it's a huge perf hit
     Invoke-WebRequest "https://dotnet.myget.org/F/roslyn-tools/api/v2/package/$packageName/$packageVersion/" -OutFile $packagePath
     Unzip $packagePath $packageDir
   }
diff --git a/eng/common/tools.sh b/eng/common/tools.sh
index 3af9be6157..94a1edd7d0 100755
--- a/eng/common/tools.sh
+++ b/eng/common/tools.sh
@@ -208,12 +208,19 @@ function GetDotNetInstallScript {
 
     # Use curl if available, otherwise use wget
     if command -v curl > /dev/null; then
-      curl "$install_script_url" -sSL --retry 10 --create-dirs -o "$install_script"
-    else
-      wget -q -O "$install_script" "$install_script_url"
+      curl "$install_script_url" -sSL --retry 10 --create-dirs -o "$install_script" || {
+        local exit_code=$?
+        Write-PipelineTelemetryError -category 'InitializeToolset' "Failed to acquire dotnet install script (exit code '$exit_code')."
+        ExitWithExitCode $exit_code
+      }
+    else 
+      wget -q -O "$install_script" "$install_script_url" || {
+        local exit_code=$?
+        Write-PipelineTelemetryError -category 'InitializeToolset' "Failed to acquire dotnet install script (exit code '$exit_code')."
+        ExitWithExitCode $exit_code
+      }
     fi
   fi
-
   # return value
   _GetDotNetInstallScript="$install_script"
 }