diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 9ac64a192283c..3f25ba0c20528 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -13,18 +13,18 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="7.0.0-beta.21474.2">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="7.0.0-beta.21555.2">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>3ea0d860c6973f2cbadc9e895c7ec2cbdaec4ad5</Sha>
+      <Sha>a7c57abb74deaee6dac921dd68f9c3c58059ebfb</Sha>
       <SourceBuild RepoName="arcade" ManagedOnly="true" />
     </Dependency>
     <Dependency Name="Microsoft.Net.Compilers.Toolset" Version="4.0.0-5.21469.2">
       <Uri>https://github.com/dotnet/roslyn</Uri>
       <Sha>c1d8c6f043bc80425c6828455eb57f8a404759c6</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="7.0.0-beta.21474.2">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="7.0.0-beta.21555.2">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>3ea0d860c6973f2cbadc9e895c7ec2cbdaec4ad5</Sha>
+      <Sha>a7c57abb74deaee6dac921dd68f9c3c58059ebfb</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/common/native/init-compiler.sh b/eng/common/native/init-compiler.sh
index 1daadf32a524f..8c944f30b2864 100644
--- a/eng/common/native/init-compiler.sh
+++ b/eng/common/native/init-compiler.sh
@@ -3,9 +3,10 @@
 # This file detects the C/C++ compiler and exports it to the CC/CXX environment variables
 #
 
-if [[ "$#" -lt 2 ]]; then
+if [[ "$#" -lt 3 ]]; then
   echo "Usage..."
-  echo "init-compiler.sh <Architecture> <compiler> <compiler major version> <compiler minor version>"
+  echo "init-compiler.sh <script directory> <Architecture> <compiler> <compiler major version> <compiler minor version>"
+  echo "Specify the script directory."
   echo "Specify the target architecture."
   echo "Specify the name of compiler (clang or gcc)."
   echo "Specify the major version of compiler."
@@ -13,13 +14,14 @@ if [[ "$#" -lt 2 ]]; then
   exit 1
 fi
 
-. "$( cd -P "$( dirname "$0" )" && pwd )"/../pipeline-logging-functions.sh
-
-build_arch="$1"
-compiler="$2"
+nativescriptroot="$1"
+build_arch="$2"
+compiler="$3"
 cxxCompiler="$compiler++"
-majorVersion="$3"
-minorVersion="$4"
+majorVersion="$4"
+minorVersion="$5"
+
+. "$nativescriptroot"/../pipeline-logging-functions.sh
 
 # clear the existing CC and CXX from environment
 CC=
@@ -48,8 +50,8 @@ if [[ -z "$CLR_CC" ]]; then
     # Set default versions
     if [[ -z "$majorVersion" ]]; then
         # note: gcc (all versions) and clang versions higher than 6 do not have minor version in file name, if it is zero.
-        if [[ "$compiler" == "clang" ]]; then versions=( 12 11 10 9 8 7 6.0 5.0 4.0 3.9 3.8 3.7 3.6 3.5 )
-        elif [[ "$compiler" == "gcc" ]]; then versions=( 11 10 9 8 7 6 5 4.9 ); fi
+        if [[ "$compiler" == "clang" ]]; then versions=( 13 12 11 10 9 8 7 6.0 5.0 4.0 3.9 3.8 3.7 3.6 3.5 )
+        elif [[ "$compiler" == "gcc" ]]; then versions=( 12 11 10 9 8 7 6 5 4.9 ); fi
 
         for version in "${versions[@]}"; do
             parts=(${version//./ })
diff --git a/eng/common/post-build/sourcelink-validation.ps1 b/eng/common/post-build/sourcelink-validation.ps1
index e8ab29afeb333..4011d324e7391 100644
--- a/eng/common/post-build/sourcelink-validation.ps1
+++ b/eng/common/post-build/sourcelink-validation.ps1
@@ -22,6 +22,11 @@ $RetryWaitTimeInSeconds = 30
 # Wait time between check for system load
 $SecondsBetweenLoadChecks = 10
 
+if (!$InputPath -or !(Test-Path $InputPath)){
+  Write-Host "No files to validate."
+  ExitWithExitCode 0
+}
+
 $ValidatePackage = {
   param( 
     [string] $PackagePath                                 # Full path to a Symbols.NuGet package
diff --git a/eng/common/post-build/symbols-validation.ps1 b/eng/common/post-build/symbols-validation.ps1
index a5af041ba775c..cd2181bafa057 100644
--- a/eng/common/post-build/symbols-validation.ps1
+++ b/eng/common/post-build/symbols-validation.ps1
@@ -4,9 +4,11 @@ param(
   [Parameter(Mandatory = $true)][string] $DotnetSymbolVersion, # Version of dotnet symbol to use
   [Parameter(Mandatory = $false)][switch] $CheckForWindowsPdbs, # If we should check for the existence of windows pdbs in addition to portable PDBs
   [Parameter(Mandatory = $false)][switch] $ContinueOnError, # If we should keep checking symbols after an error
-  [Parameter(Mandatory = $false)][switch] $Clean                  # Clean extracted symbols directory after checking symbols
+  [Parameter(Mandatory = $false)][switch] $Clean,           # Clean extracted symbols directory after checking symbols
+  [Parameter(Mandatory = $false)][string] $SymbolExclusionFile  # Exclude the symbols in the file from publishing to symbol server
 )
 
+. $PSScriptRoot\..\tools.ps1
 # Maximum number of jobs to run in parallel
 $MaxParallelJobs = 16
 
@@ -25,14 +27,28 @@ if ($CheckForWindowsPdbs) {
   $WindowsPdbVerificationParam = "--windows-pdbs"
 }
 
+$ExclusionSet = New-Object System.Collections.Generic.HashSet[string];
+
+if (!$InputPath -or !(Test-Path $InputPath)){
+  Write-Host "No symbols to validate."
+  ExitWithExitCode 0
+}
+
+#Check if the path exists
+if ($SymbolExclusionFile -and (Test-Path $SymbolExclusionFile)){
+  [string[]]$Exclusions = Get-Content "$SymbolExclusionFile"
+  $Exclusions | foreach { if($_ -and $_.Trim()){$ExclusionSet.Add($_)} }
+}
+else{
+  Write-Host "Symbol Exclusion file does not exists. No symbols to exclude."
+}
+
 $CountMissingSymbols = {
   param( 
     [string] $PackagePath, # Path to a NuGet package
     [string] $WindowsPdbVerificationParam # If we should check for the existence of windows pdbs in addition to portable PDBs
   )
 
-  . $using:PSScriptRoot\..\tools.ps1
-
   Add-Type -AssemblyName System.IO.Compression.FileSystem
 
   Write-Host "Validating $PackagePath "
@@ -118,17 +134,17 @@ $CountMissingSymbols = {
         # Save the output and get diagnostic output
         $output = & $dotnetSymbolExe --symbols --modules $WindowsPdbVerificationParam $TargetServerParam $FullPath -o $SymbolsPath --diagnostics | Out-String
 
-        if (Test-Path $PdbPath) {
-          return 'PDB'
+        if ((Test-Path $PdbPath) -and (Test-path $SymbolPath)) {
+          return 'Module and PDB for Module'
         }
-        elseif (Test-Path $NGenPdb) {
-          return 'NGen PDB'
+        elseif ((Test-Path $NGenPdb) -and (Test-Path $PdbPath) -and (Test-Path $SymbolPath)) {
+          return 'Dll, PDB and NGen PDB'
         }
-        elseif (Test-Path $SODbg) {
-          return 'DBG for SO'
+        elseif ((Test-Path $SODbg) -and (Test-Path $SymbolPath)) {
+          return 'So and DBG for SO'
         }  
-        elseif (Test-Path $DylibDwarf) {
-          return 'Dwarf for Dylib'
+        elseif ((Test-Path $DylibDwarf) -and (Test-Path $SymbolPath)) {
+          return 'Dylib and Dwarf for Dylib'
         }  
         elseif (Test-Path $SymbolPath) {
           return 'Module'
@@ -142,37 +158,44 @@ $CountMissingSymbols = {
       return $null
     }
 
-    $FileGuid = New-Guid
-    $ExpandedSymbolsPath = Join-Path -Path $SymbolsPath -ChildPath $FileGuid
-
-    $SymbolsOnMSDL = & $FirstMatchingSymbolDescriptionOrDefault `
-        -FullPath $FileName `
-        -TargetServerParam '--microsoft-symbol-server' `
-        -SymbolsPath "$ExpandedSymbolsPath-msdl" `
-        -WindowsPdbVerificationParam $WindowsPdbVerificationParam
-    $SymbolsOnSymWeb = & $FirstMatchingSymbolDescriptionOrDefault `
-        -FullPath $FileName `
-        -TargetServerParam '--internal-server' `
-        -SymbolsPath "$ExpandedSymbolsPath-symweb" `
-        -WindowsPdbVerificationParam $WindowsPdbVerificationParam
-
-    Write-Host -NoNewLine "`t Checking file " $FileName "... "
-  
-    if ($SymbolsOnMSDL -ne $null -and $SymbolsOnSymWeb -ne $null) {
-      Write-Host "Symbols found on MSDL ($SymbolsOnMSDL) and SymWeb ($SymbolsOnSymWeb)"
+    $FileRelativePath = $FileName.Replace("$ExtractPath\", "")
+    if (($($using:ExclusionSet) -ne $null) -and ($($using:ExclusionSet).Contains($FileRelativePath) -or ($($using:ExclusionSet).Contains($FileRelativePath.Replace("\", "/"))))){
+      Write-Host "Skipping $FileName from symbol validation"
     }
-    else {
-      $MissingSymbols++
 
-      if ($SymbolsOnMSDL -eq $null -and $SymbolsOnSymWeb -eq $null) {
-        Write-Host 'No symbols found on MSDL or SymWeb!'
+    else {
+      $FileGuid = New-Guid
+      $ExpandedSymbolsPath = Join-Path -Path $SymbolsPath -ChildPath $FileGuid
+
+      $SymbolsOnMSDL = & $FirstMatchingSymbolDescriptionOrDefault `
+          -FullPath $FileName `
+          -TargetServerParam '--microsoft-symbol-server' `
+          -SymbolsPath "$ExpandedSymbolsPath-msdl" `
+          -WindowsPdbVerificationParam $WindowsPdbVerificationParam
+      $SymbolsOnSymWeb = & $FirstMatchingSymbolDescriptionOrDefault `
+          -FullPath $FileName `
+          -TargetServerParam '--internal-server' `
+          -SymbolsPath "$ExpandedSymbolsPath-symweb" `
+          -WindowsPdbVerificationParam $WindowsPdbVerificationParam
+
+      Write-Host -NoNewLine "`t Checking file " $FileName "... "
+  
+      if ($SymbolsOnMSDL -ne $null -and $SymbolsOnSymWeb -ne $null) {
+        Write-Host "Symbols found on MSDL ($SymbolsOnMSDL) and SymWeb ($SymbolsOnSymWeb)"
       }
       else {
-        if ($SymbolsOnMSDL -eq $null) {
-          Write-Host 'No symbols found on MSDL!'
+        $MissingSymbols++
+
+        if ($SymbolsOnMSDL -eq $null -and $SymbolsOnSymWeb -eq $null) {
+          Write-Host 'No symbols found on MSDL or SymWeb!'
         }
         else {
-          Write-Host 'No symbols found on SymWeb!'
+          if ($SymbolsOnMSDL -eq $null) {
+            Write-Host 'No symbols found on MSDL!'
+          }
+          else {
+            Write-Host 'No symbols found on SymWeb!'
+          }
         }
       }
     }
diff --git a/eng/common/sdl/configure-sdl-tool.ps1 b/eng/common/sdl/configure-sdl-tool.ps1
index 4999c307088a0..8a68fc24b11b0 100644
--- a/eng/common/sdl/configure-sdl-tool.ps1
+++ b/eng/common/sdl/configure-sdl-tool.ps1
@@ -69,13 +69,13 @@ try {
     # For some tools, add default and automatic args.
     if ($tool.Name -eq 'credscan') {
       if ($targetDirectory) {
-        $tool.Args += "TargetDirectory < $TargetDirectory"
+        $tool.Args += "`"TargetDirectory < $TargetDirectory`""
       }
-      $tool.Args += "OutputType < pre"
+      $tool.Args += "`"OutputType < pre`""
       $tool.Args += $CrScanAdditionalRunConfigParams
     } elseif ($tool.Name -eq 'policheck') {
       if ($targetDirectory) {
-        $tool.Args += "Target < $TargetDirectory"
+        $tool.Args += "`"Target < $TargetDirectory`""
       }
       $tool.Args += $PoliCheckAdditionalRunConfigParams
     }
diff --git a/eng/common/templates/job/execute-sdl.yml b/eng/common/templates/job/execute-sdl.yml
index 69eb67849d741..3aafc82e4171a 100644
--- a/eng/common/templates/job/execute-sdl.yml
+++ b/eng/common/templates/job/execute-sdl.yml
@@ -60,11 +60,7 @@ jobs:
     - name: GuardianPackagesConfigFile
       value: $(Build.SourcesDirectory)\eng\common\sdl\packages.config
   pool:
-    # To extract archives (.tar.gz, .zip), we need access to "tar", added in Windows 10/2019.
-    ${{ if eq(parameters.extractArchiveArtifacts, 'false') }}:
-      name: Hosted VS2017
-    ${{ if ne(parameters.extractArchiveArtifacts, 'false') }}:
-      vmImage: windows-2019
+    vmImage: windows-2019
   steps:
   - checkout: self
     clean: true
diff --git a/eng/common/templates/job/onelocbuild.yml b/eng/common/templates/job/onelocbuild.yml
index e8bc77d2ebbe3..c4fc18b3ee77a 100644
--- a/eng/common/templates/job/onelocbuild.yml
+++ b/eng/common/templates/job/onelocbuild.yml
@@ -4,7 +4,7 @@ parameters:
 
   # Optional: A defined YAML pool - https://docs.microsoft.com/en-us/azure/devops/pipelines/yaml-schema?view=vsts&tabs=schema#pool
   pool:
-    vmImage: vs2017-win2016
+    vmImage: 'windows-2019'
 
   CeapexPat: $(dn-bot-ceapex-package-r) # PAT for the loc AzDO instance https://dev.azure.com/ceapex
   GithubPat: $(BotAccount-dotnet-bot-repo-PAT)
@@ -12,6 +12,7 @@ parameters:
   SourcesDirectory: $(Build.SourcesDirectory)
   CreatePr: true
   AutoCompletePr: false
+  ReusePr: true
   UseLfLineEndings: true
   UseCheckedInLocProjectJson: false
   LanguageSet: VS_Main_Languages
@@ -64,6 +65,8 @@ jobs:
         ${{ if eq(parameters.CreatePr, true) }}:
           isAutoCompletePrSelected: ${{ parameters.AutoCompletePr }}
           isUseLfLineEndingsSelected: ${{ parameters.UseLfLineEndings }}
+          ${{ if eq(parameters.RepoType, 'gitHub') }}:
+            isShouldReusePrSelected: ${{ parameters.ReusePr }}
         packageSourceAuth: patAuth
         patVariable: ${{ parameters.CeapexPat }}
         ${{ if eq(parameters.RepoType, 'gitHub') }}:
diff --git a/eng/common/templates/job/source-build.yml b/eng/common/templates/job/source-build.yml
index 5023d36dcb3c5..5cd5325d7b4e6 100644
--- a/eng/common/templates/job/source-build.yml
+++ b/eng/common/templates/job/source-build.yml
@@ -31,11 +31,6 @@ parameters:
   #   container and pool.
   platform: {}
 
-  # The default VM host AzDO pool. This should be capable of running Docker containers: almost all
-  # source-build builds run in Docker, including the default managed platform.
-  defaultContainerHostPool:
-    vmImage: ubuntu-20.04
-
 jobs:
 - job: ${{ parameters.jobNamePrefix }}_${{ parameters.platform.name }}
   displayName: Source-Build (${{ parameters.platform.name }})
@@ -47,7 +42,15 @@ jobs:
     container: ${{ parameters.platform.container }}
 
   ${{ if eq(parameters.platform.pool, '') }}:
-    pool: ${{ parameters.defaultContainerHostPool }}
+    # The default VM host AzDO pool. This should be capable of running Docker containers: almost all
+    # source-build builds run in Docker, including the default managed platform.
+    pool:
+      ${{ if eq(variables['System.TeamProject'], 'public') }}:
+        name: NetCore1ESPool-Public
+        demands: ImageOverride -equals Build.Ubuntu.1804.Amd64.Open
+      ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+        name: NetCore1ESPool-Internal
+        demands: ImageOverride -equals Build.Ubuntu.1804.Amd64
   ${{ if ne(parameters.platform.pool, '') }}:
     pool: ${{ parameters.platform.pool }}
 
diff --git a/eng/common/templates/job/source-index-stage1.yml b/eng/common/templates/job/source-index-stage1.yml
index 1cc0c29e4fdab..4af724eb1a9ec 100644
--- a/eng/common/templates/job/source-index-stage1.yml
+++ b/eng/common/templates/job/source-index-stage1.yml
@@ -5,8 +5,6 @@ parameters:
   sourceIndexBuildCommand: powershell -NoLogo -NoProfile -ExecutionPolicy Bypass -Command "eng/common/build.ps1 -restore -build -binarylog -ci"
   preSteps: []
   binlogPath: artifacts/log/Debug/Build.binlog
-  pool:
-    vmImage: vs2017-win2016
   condition: ''
   dependsOn: ''
 
@@ -24,7 +22,13 @@ jobs:
   - ${{ if and(eq(parameters.runAsPublic, 'false'), ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest')) }}:
     - group: source-dot-net stage1 variables
 
-  pool: ${{ parameters.pool }}
+  pool:
+    ${{ if eq(variables['System.TeamProject'], 'public') }}:
+      name: NetCore1ESPool-Public
+      demands: ImageOverride -equals Build.Server.Amd64.VS2019.Open
+    ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+      name: NetCore1ESPool-Internal
+      demands: ImageOverride -equals Build.Server.Amd64.VS2019
   steps:
   - ${{ each preStep in parameters.preSteps }}:
     - ${{ preStep }}
diff --git a/eng/common/templates/jobs/jobs.yml b/eng/common/templates/jobs/jobs.yml
index a1f8fce96ca81..8dd1fdbd144a0 100644
--- a/eng/common/templates/jobs/jobs.yml
+++ b/eng/common/templates/jobs/jobs.yml
@@ -83,7 +83,7 @@ jobs:
         - ${{ if eq(parameters.enableSourceBuild, true) }}:
           - Source_Build_Complete
         pool:
-          vmImage: vs2017-win2016
+          vmImage: 'windows-2019'
         runAsPublic: ${{ parameters.runAsPublic }}
         publishUsingPipelines: ${{ parameters.enablePublishUsingPipelines }}
         enablePublishBuildArtifacts: ${{ parameters.enablePublishBuildArtifacts }}
@@ -96,4 +96,4 @@ jobs:
         dependsOn:
           - Asset_Registry_Publish
         pool:
-          vmImage: vs2017-win2016
+          vmImage: 'windows-2019'
diff --git a/eng/common/templates/steps/send-to-helix.yml b/eng/common/templates/steps/send-to-helix.yml
index cd02ae1607f3b..09a223989f7ec 100644
--- a/eng/common/templates/steps/send-to-helix.yml
+++ b/eng/common/templates/steps/send-to-helix.yml
@@ -20,7 +20,6 @@ parameters:
   IncludeDotNetCli: false                # optional -- true will download a version of the .NET CLI onto the Helix machine as a correlation payload; requires DotNetCliPackageType and DotNetCliVersion
   DotNetCliPackageType: ''               # optional -- either 'sdk', 'runtime' or 'aspnetcore-runtime'; determines whether the sdk or runtime will be sent to Helix; see https://raw.githubusercontent.com/dotnet/core/main/release-notes/releases-index.json
   DotNetCliVersion: ''                   # optional -- version of the CLI to send to Helix; based on this: https://raw.githubusercontent.com/dotnet/core/main/release-notes/releases-index.json
-  EnableXUnitReporter: false             # optional -- true enables XUnit result reporting to Mission Control
   WaitForWorkItemCompletion: true        # optional -- true will make the task wait until work items have been completed and fail the build if work items fail. False is "fire and forget."
   IsExternal: false                      # [DEPRECATED] -- doesn't do anything, jobs are external if HelixAccessToken is empty and Creator is set
   HelixBaseUri: 'https://helix.dot.net/' # optional -- sets the Helix API base URI (allows targeting int)
@@ -54,7 +53,6 @@ steps:
       IncludeDotNetCli: ${{ parameters.IncludeDotNetCli }}
       DotNetCliPackageType: ${{ parameters.DotNetCliPackageType }}
       DotNetCliVersion: ${{ parameters.DotNetCliVersion }}
-      EnableXUnitReporter: ${{ parameters.EnableXUnitReporter }}
       WaitForWorkItemCompletion: ${{ parameters.WaitForWorkItemCompletion }}
       HelixBaseUri: ${{ parameters.HelixBaseUri }}
       Creator: ${{ parameters.Creator }}
@@ -85,7 +83,6 @@ steps:
       IncludeDotNetCli: ${{ parameters.IncludeDotNetCli }}
       DotNetCliPackageType: ${{ parameters.DotNetCliPackageType }}
       DotNetCliVersion: ${{ parameters.DotNetCliVersion }}
-      EnableXUnitReporter: ${{ parameters.EnableXUnitReporter }}
       WaitForWorkItemCompletion: ${{ parameters.WaitForWorkItemCompletion }}
       HelixBaseUri: ${{ parameters.HelixBaseUri }}
       Creator: ${{ parameters.Creator }}
diff --git a/global.json b/global.json
index 400e1647805bf..24b9c166a7fd8 100644
--- a/global.json
+++ b/global.json
@@ -12,7 +12,7 @@
     "xcopy-msbuild": "16.10.0-preview2"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "7.0.0-beta.21474.2",
-    "Microsoft.DotNet.Helix.Sdk": "7.0.0-beta.21474.2"
+    "Microsoft.DotNet.Arcade.Sdk": "7.0.0-beta.21555.2",
+    "Microsoft.DotNet.Helix.Sdk": "7.0.0-beta.21555.2"
   }
 }