diff --git a/.config/dotnet-tools.json b/.config/dotnet-tools.json
index 09422bfd09b866..cdd387ac2b4b68 100644
--- a/.config/dotnet-tools.json
+++ b/.config/dotnet-tools.json
@@ -15,7 +15,7 @@
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diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index 004ddccb3d6195..e9569fc8fbf8a2 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -1,16 +1,16 @@
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-      <Sha>8455e2bb85f250a4f1649fcdc3658c25f4cd78aa</Sha>
+      <Sha>93aae682a468b3c7858d497da5cf79d8ac8eecdc</Sha>
     </Dependency>
-    <Dependency Name="optimization.windows_nt-x86.MIBC.Runtime" Version="1.0.0-prerelease.21530.2">
+    <Dependency Name="optimization.windows_nt-x86.MIBC.Runtime" Version="1.0.0-prerelease.21556.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-optimization</Uri>
-      <Sha>8455e2bb85f250a4f1649fcdc3658c25f4cd78aa</Sha>
+      <Sha>93aae682a468b3c7858d497da5cf79d8ac8eecdc</Sha>
     </Dependency>
-    <Dependency Name="optimization.linux-x64.MIBC.Runtime" Version="1.0.0-prerelease.21530.2">
+    <Dependency Name="optimization.linux-x64.MIBC.Runtime" Version="1.0.0-prerelease.21556.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-optimization</Uri>
-      <Sha>8455e2bb85f250a4f1649fcdc3658c25f4cd78aa</Sha>
+      <Sha>93aae682a468b3c7858d497da5cf79d8ac8eecdc</Sha>
     </Dependency>
-    <Dependency Name="optimization.PGO.CoreCLR" Version="1.0.0-prerelease.21530.2">
+    <Dependency Name="optimization.PGO.CoreCLR" Version="1.0.0-prerelease.21556.2">
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-optimization</Uri>
-      <Sha>8455e2bb85f250a4f1649fcdc3658c25f4cd78aa</Sha>
+      <Sha>93aae682a468b3c7858d497da5cf79d8ac8eecdc</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.HotReload.Utils.Generator.BuildTool" Version="1.0.2-alpha.0.21525.2">
+    <Dependency Name="Microsoft.DotNet.HotReload.Utils.Generator.BuildTool" Version="1.0.2-alpha.0.21551.2">
       <Uri>https://github.com/dotnet/hotreload-utils</Uri>
-      <Sha>d7f8f855b9d6d3a7090b3bc2745d1bdc8c323fcc</Sha>
+      <Sha>b2b9b361d92ebb4ba574ea693aa20b37e7d6b1e9</Sha>
     </Dependency>
-    <Dependency Name="System.Runtime.Numerics.TestData" Version="7.0.0-beta.21520.1">
+    <Dependency Name="System.Runtime.Numerics.TestData" Version="7.0.0-beta.21552.1">
       <Uri>https://github.com/dotnet/runtime-assets</Uri>
-      <Sha>e444c9ce30e40a75994fe6b4fd5e87a7ef63355b</Sha>
+      <Sha>84788d11ca8c96c61a9cf7847c46bc012cef2b8b</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.CodeAnalysis.NetAnalyzers" Version="7.0.0-preview1.21528.1">
+    <Dependency Name="Microsoft.CodeAnalysis.NetAnalyzers" Version="7.0.0-preview1.21554.2">
       <Uri>https://github.com/dotnet/roslyn-analyzers</Uri>
-      <Sha>3541eb2b9c85dd1416ba7571f49c0e44019756b7</Sha>
+      <Sha>380759dbc374f0fa2e2b714b0bf317231a06c2dd</Sha>
     </Dependency>
     <Dependency Name="Microsoft.DotNet.Compatibility" Version="2.0.0-alpha.1.21525.11">
       <Uri>https://github.com/dotnet/sdk</Uri>
diff --git a/eng/Versions.props b/eng/Versions.props
index f903d0fbc672e5..d09a845afeaf6e 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -51,27 +51,27 @@
     <MicrosoftCodeAnalysisAnalyzersVersion>3.3.2</MicrosoftCodeAnalysisAnalyzersVersion>
     <MicrosoftCodeAnalysisCSharpCodeStyleVersion>4.0.0-4.final</MicrosoftCodeAnalysisCSharpCodeStyleVersion>
     <MicrosoftCodeAnalysisCSharpVersion>4.0.0-4.final</MicrosoftCodeAnalysisCSharpVersion>
-    <MicrosoftCodeAnalysisNetAnalyzersVersion>7.0.0-preview1.21528.1</MicrosoftCodeAnalysisNetAnalyzersVersion>
+    <MicrosoftCodeAnalysisNetAnalyzersVersion>7.0.0-preview1.21554.2</MicrosoftCodeAnalysisNetAnalyzersVersion>
     <!-- Pin compiler version to workaround issue: https://github.com/dotnet/runtime/issues/59908 -->
     <MicrosoftNetCompilersToolsetVersion>4.0.0-5.21453.15</MicrosoftNetCompilersToolsetVersion>
     <!-- SDK dependencies -->
     <MicrosoftDotNetCompatibilityVersion>2.0.0-alpha.1.21525.11</MicrosoftDotNetCompatibilityVersion>
     <!-- Arcade dependencies -->
-    <MicrosoftDotNetApiCompatVersion>7.0.0-beta.21529.1</MicrosoftDotNetApiCompatVersion>
-    <MicrosoftDotNetBuildTasksFeedVersion>7.0.0-beta.21529.1</MicrosoftDotNetBuildTasksFeedVersion>
-    <MicrosoftDotNetCodeAnalysisVersion>7.0.0-beta.21529.1</MicrosoftDotNetCodeAnalysisVersion>
-    <MicrosoftDotNetGenAPIVersion>7.0.0-beta.21529.1</MicrosoftDotNetGenAPIVersion>
-    <MicrosoftDotNetGenFacadesVersion>7.0.0-beta.21529.1</MicrosoftDotNetGenFacadesVersion>
-    <MicrosoftDotNetXUnitExtensionsVersion>7.0.0-beta.21529.1</MicrosoftDotNetXUnitExtensionsVersion>
-    <MicrosoftDotNetXUnitConsoleRunnerVersion>2.5.1-beta.21529.1</MicrosoftDotNetXUnitConsoleRunnerVersion>
-    <MicrosoftDotNetBuildTasksArchivesVersion>7.0.0-beta.21529.1</MicrosoftDotNetBuildTasksArchivesVersion>
-    <MicrosoftDotNetBuildTasksInstallersVersion>7.0.0-beta.21529.1</MicrosoftDotNetBuildTasksInstallersVersion>
-    <MicrosoftDotNetBuildTasksPackagingVersion>7.0.0-beta.21529.1</MicrosoftDotNetBuildTasksPackagingVersion>
-    <MicrosoftDotNetBuildTasksTemplatingVersion>7.0.0-beta.21529.1</MicrosoftDotNetBuildTasksTemplatingVersion>
-    <MicrosoftDotNetBuildTasksWorkloadsPackageVersion>7.0.0-beta.21529.1</MicrosoftDotNetBuildTasksWorkloadsPackageVersion>
-    <MicrosoftDotNetRemoteExecutorVersion>7.0.0-beta.21529.1</MicrosoftDotNetRemoteExecutorVersion>
-    <MicrosoftDotNetVersionToolsTasksVersion>7.0.0-beta.21529.1</MicrosoftDotNetVersionToolsTasksVersion>
-    <MicrosoftDotNetPackageTestingVersion>7.0.0-beta.21529.1</MicrosoftDotNetPackageTestingVersion>
+    <MicrosoftDotNetApiCompatVersion>7.0.0-beta.21555.2</MicrosoftDotNetApiCompatVersion>
+    <MicrosoftDotNetBuildTasksFeedVersion>7.0.0-beta.21555.2</MicrosoftDotNetBuildTasksFeedVersion>
+    <MicrosoftDotNetCodeAnalysisVersion>7.0.0-beta.21555.2</MicrosoftDotNetCodeAnalysisVersion>
+    <MicrosoftDotNetGenAPIVersion>7.0.0-beta.21555.2</MicrosoftDotNetGenAPIVersion>
+    <MicrosoftDotNetGenFacadesVersion>7.0.0-beta.21555.2</MicrosoftDotNetGenFacadesVersion>
+    <MicrosoftDotNetXUnitExtensionsVersion>7.0.0-beta.21555.2</MicrosoftDotNetXUnitExtensionsVersion>
+    <MicrosoftDotNetXUnitConsoleRunnerVersion>2.5.1-beta.21555.2</MicrosoftDotNetXUnitConsoleRunnerVersion>
+    <MicrosoftDotNetBuildTasksArchivesVersion>7.0.0-beta.21555.2</MicrosoftDotNetBuildTasksArchivesVersion>
+    <MicrosoftDotNetBuildTasksInstallersVersion>7.0.0-beta.21555.2</MicrosoftDotNetBuildTasksInstallersVersion>
+    <MicrosoftDotNetBuildTasksPackagingVersion>7.0.0-beta.21555.2</MicrosoftDotNetBuildTasksPackagingVersion>
+    <MicrosoftDotNetBuildTasksTemplatingVersion>7.0.0-beta.21555.2</MicrosoftDotNetBuildTasksTemplatingVersion>
+    <MicrosoftDotNetBuildTasksWorkloadsPackageVersion>7.0.0-beta.21555.2</MicrosoftDotNetBuildTasksWorkloadsPackageVersion>
+    <MicrosoftDotNetRemoteExecutorVersion>7.0.0-beta.21555.2</MicrosoftDotNetRemoteExecutorVersion>
+    <MicrosoftDotNetVersionToolsTasksVersion>7.0.0-beta.21555.2</MicrosoftDotNetVersionToolsTasksVersion>
+    <MicrosoftDotNetPackageTestingVersion>7.0.0-beta.21555.2</MicrosoftDotNetPackageTestingVersion>
     <!-- NuGet dependencies -->
     <NuGetBuildTasksPackVersion>6.0.0-preview.1.102</NuGetBuildTasksPackVersion>
     <!-- Installer dependencies -->
@@ -121,22 +121,22 @@
     <SystemValueTupleVersion>4.5.0</SystemValueTupleVersion>
     <runtimenativeSystemIOPortsVersion>7.0.0-alpha.1.21551.1</runtimenativeSystemIOPortsVersion>
     <!-- Runtime-Assets dependencies -->
-    <SystemRuntimeNumericsTestDataVersion>7.0.0-beta.21520.1</SystemRuntimeNumericsTestDataVersion>
-    <SystemComponentModelTypeConverterTestDataVersion>7.0.0-beta.21520.1</SystemComponentModelTypeConverterTestDataVersion>
-    <SystemDrawingCommonTestDataVersion>7.0.0-beta.21520.1</SystemDrawingCommonTestDataVersion>
-    <SystemIOCompressionTestDataVersion>7.0.0-beta.21520.1</SystemIOCompressionTestDataVersion>
-    <SystemIOPackagingTestDataVersion>7.0.0-beta.21520.1</SystemIOPackagingTestDataVersion>
-    <SystemNetTestDataVersion>7.0.0-beta.21520.1</SystemNetTestDataVersion>
-    <SystemPrivateRuntimeUnicodeDataVersion>7.0.0-beta.21520.1</SystemPrivateRuntimeUnicodeDataVersion>
-    <SystemRuntimeTimeZoneDataVersion>7.0.0-beta.21520.1</SystemRuntimeTimeZoneDataVersion>
-    <SystemSecurityCryptographyX509CertificatesTestDataVersion>7.0.0-beta.21520.1</SystemSecurityCryptographyX509CertificatesTestDataVersion>
-    <SystemWindowsExtensionsTestDataVersion>7.0.0-beta.21520.1</SystemWindowsExtensionsTestDataVersion>
-    <MicrosoftDotNetCilStripSourcesVersion>7.0.0-beta.21520.1</MicrosoftDotNetCilStripSourcesVersion>
+    <SystemRuntimeNumericsTestDataVersion>7.0.0-beta.21552.1</SystemRuntimeNumericsTestDataVersion>
+    <SystemComponentModelTypeConverterTestDataVersion>7.0.0-beta.21552.1</SystemComponentModelTypeConverterTestDataVersion>
+    <SystemDrawingCommonTestDataVersion>7.0.0-beta.21552.1</SystemDrawingCommonTestDataVersion>
+    <SystemIOCompressionTestDataVersion>7.0.0-beta.21552.1</SystemIOCompressionTestDataVersion>
+    <SystemIOPackagingTestDataVersion>7.0.0-beta.21552.1</SystemIOPackagingTestDataVersion>
+    <SystemNetTestDataVersion>7.0.0-beta.21552.1</SystemNetTestDataVersion>
+    <SystemPrivateRuntimeUnicodeDataVersion>7.0.0-beta.21552.1</SystemPrivateRuntimeUnicodeDataVersion>
+    <SystemRuntimeTimeZoneDataVersion>7.0.0-beta.21552.1</SystemRuntimeTimeZoneDataVersion>
+    <SystemSecurityCryptographyX509CertificatesTestDataVersion>7.0.0-beta.21552.1</SystemSecurityCryptographyX509CertificatesTestDataVersion>
+    <SystemWindowsExtensionsTestDataVersion>7.0.0-beta.21552.1</SystemWindowsExtensionsTestDataVersion>
+    <MicrosoftDotNetCilStripSourcesVersion>7.0.0-beta.21552.1</MicrosoftDotNetCilStripSourcesVersion>
     <!-- dotnet-optimization dependencies -->
-    <optimizationwindows_ntx64MIBCRuntimeVersion>1.0.0-prerelease.21530.2</optimizationwindows_ntx64MIBCRuntimeVersion>
-    <optimizationwindows_ntx86MIBCRuntimeVersion>1.0.0-prerelease.21530.2</optimizationwindows_ntx86MIBCRuntimeVersion>
-    <optimizationlinuxx64MIBCRuntimeVersion>1.0.0-prerelease.21530.2</optimizationlinuxx64MIBCRuntimeVersion>
-    <optimizationPGOCoreCLRVersion>1.0.0-prerelease.21530.2</optimizationPGOCoreCLRVersion>
+    <optimizationwindows_ntx64MIBCRuntimeVersion>1.0.0-prerelease.21556.2</optimizationwindows_ntx64MIBCRuntimeVersion>
+    <optimizationwindows_ntx86MIBCRuntimeVersion>1.0.0-prerelease.21556.2</optimizationwindows_ntx86MIBCRuntimeVersion>
+    <optimizationlinuxx64MIBCRuntimeVersion>1.0.0-prerelease.21556.2</optimizationlinuxx64MIBCRuntimeVersion>
+    <optimizationPGOCoreCLRVersion>1.0.0-prerelease.21556.2</optimizationPGOCoreCLRVersion>
     <!-- Not auto-updated. -->
     <MicrosoftDiaSymReaderNativeVersion>16.9.0-beta1.21055.5</MicrosoftDiaSymReaderNativeVersion>
     <SystemCommandLineVersion>2.0.0-beta1.20253.1</SystemCommandLineVersion>
@@ -154,9 +154,9 @@
     <!-- Testing -->
     <MicrosoftNETCoreCoreDisToolsVersion>1.0.1-prerelease-00006</MicrosoftNETCoreCoreDisToolsVersion>
     <MicrosoftNETTestSdkVersion>16.9.0-preview-20201201-01</MicrosoftNETTestSdkVersion>
-    <MicrosoftDotNetXHarnessTestRunnersXunitVersion>1.0.0-prerelease.21529.1</MicrosoftDotNetXHarnessTestRunnersXunitVersion>
-    <MicrosoftDotNetXHarnessCLIVersion>1.0.0-prerelease.21529.1</MicrosoftDotNetXHarnessCLIVersion>
-    <MicrosoftDotNetHotReloadUtilsGeneratorBuildToolVersion>1.0.2-alpha.0.21525.2</MicrosoftDotNetHotReloadUtilsGeneratorBuildToolVersion>
+    <MicrosoftDotNetXHarnessTestRunnersXunitVersion>1.0.0-prerelease.21554.1</MicrosoftDotNetXHarnessTestRunnersXunitVersion>
+    <MicrosoftDotNetXHarnessCLIVersion>1.0.0-prerelease.21554.1</MicrosoftDotNetXHarnessCLIVersion>
+    <MicrosoftDotNetHotReloadUtilsGeneratorBuildToolVersion>1.0.2-alpha.0.21551.2</MicrosoftDotNetHotReloadUtilsGeneratorBuildToolVersion>
     <XUnitVersion>2.4.2-pre.9</XUnitVersion>
     <XUnitRunnerVisualStudioVersion>2.4.2</XUnitRunnerVisualStudioVersion>
     <CoverletCollectorVersion>1.3.0</CoverletCollectorVersion>
@@ -172,20 +172,20 @@
     <MicrosoftNETILLinkTasksVersion>7.0.100-1.21528.2</MicrosoftNETILLinkTasksVersion>
     <MicrosoftNETILLinkAnalyzerPackageVersion>$(MicrosoftNETILLinkTasksVersion)</MicrosoftNETILLinkAnalyzerPackageVersion>
     <!-- ICU -->
-    <MicrosoftNETCoreRuntimeICUTransportVersion>7.0.0-alpha.1.21525.1</MicrosoftNETCoreRuntimeICUTransportVersion>
+    <MicrosoftNETCoreRuntimeICUTransportVersion>7.0.0-alpha.1.21551.1</MicrosoftNETCoreRuntimeICUTransportVersion>
     <!-- MsQuic -->
     <SystemNetMsQuicTransportVersion>7.0.0-alpha.1.21529.3</SystemNetMsQuicTransportVersion>
     <!-- Mono LLVM -->
-    <runtimelinuxarm64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>11.1.0-alpha.1.21529.2</runtimelinuxarm64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>
-    <runtimelinuxarm64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>11.1.0-alpha.1.21529.2</runtimelinuxarm64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>
-    <runtimelinuxx64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>11.1.0-alpha.1.21529.2</runtimelinuxx64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>
-    <runtimelinuxx64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>11.1.0-alpha.1.21529.2</runtimelinuxx64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>
-    <runtimewinx64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>11.1.0-alpha.1.21529.2</runtimewinx64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>
-    <runtimewinx64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>11.1.0-alpha.1.21529.2</runtimewinx64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>
-    <runtimeosx1012x64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>11.1.0-alpha.1.21529.2</runtimeosx1012x64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>
-    <runtimeosx1012x64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>11.1.0-alpha.1.21529.2</runtimeosx1012x64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>
+    <runtimelinuxarm64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>11.1.0-alpha.1.21554.1</runtimelinuxarm64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>
+    <runtimelinuxarm64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>11.1.0-alpha.1.21554.1</runtimelinuxarm64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>
+    <runtimelinuxx64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>11.1.0-alpha.1.21554.1</runtimelinuxx64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>
+    <runtimelinuxx64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>11.1.0-alpha.1.21554.1</runtimelinuxx64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>
+    <runtimewinx64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>11.1.0-alpha.1.21554.1</runtimewinx64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>
+    <runtimewinx64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>11.1.0-alpha.1.21554.1</runtimewinx64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>
+    <runtimeosx1012x64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>11.1.0-alpha.1.21554.1</runtimeosx1012x64MicrosoftNETCoreRuntimeMonoLLVMSdkVersion>
+    <runtimeosx1012x64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>11.1.0-alpha.1.21554.1</runtimeosx1012x64MicrosoftNETCoreRuntimeMonoLLVMToolsVersion>
     <!-- emscripten / Node -->
-    <MicrosoftNETWorkloadEmscriptenManifest70100Version>7.0.0-alpha.1.21527.1</MicrosoftNETWorkloadEmscriptenManifest70100Version>
+    <MicrosoftNETWorkloadEmscriptenManifest70100Version>7.0.0-alpha.1.21554.1</MicrosoftNETWorkloadEmscriptenManifest70100Version>
     <MicrosoftNETRuntimeEmscriptenVersion>$(MicrosoftNETWorkloadEmscriptenManifest70100Version)</MicrosoftNETRuntimeEmscriptenVersion>
     <!-- workloads -->
     <SwixPackageVersion>1.1.87-gba258badda</SwixPackageVersion>
diff --git a/eng/common/post-build/symbols-validation.ps1 b/eng/common/post-build/symbols-validation.ps1
index a4a92efbedf9a9..cd2181bafa057d 100644
--- a/eng/common/post-build/symbols-validation.ps1
+++ b/eng/common/post-build/symbols-validation.ps1
@@ -134,17 +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'
diff --git a/eng/common/templates/job/source-build.yml b/eng/common/templates/job/source-build.yml
index 5023d36dcb3c5b..5cd5325d7b4e6b 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 ae85a99a853f4b..4af724eb1a9ec9 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: 'windows-2019'
   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/global.json b/global.json
index c87af2701bf6f0..a05722999a8711 100644
--- a/global.json
+++ b/global.json
@@ -12,10 +12,10 @@
     "python3": "3.7.1"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Build.Tasks.TargetFramework.Sdk": "7.0.0-beta.21529.1",
-    "Microsoft.DotNet.Arcade.Sdk": "7.0.0-beta.21529.1",
-    "Microsoft.DotNet.Helix.Sdk": "7.0.0-beta.21529.1",
-    "Microsoft.DotNet.SharedFramework.Sdk": "7.0.0-beta.21529.1",
+    "Microsoft.DotNet.Build.Tasks.TargetFramework.Sdk": "7.0.0-beta.21555.2",
+    "Microsoft.DotNet.Arcade.Sdk": "7.0.0-beta.21555.2",
+    "Microsoft.DotNet.Helix.Sdk": "7.0.0-beta.21555.2",
+    "Microsoft.DotNet.SharedFramework.Sdk": "7.0.0-beta.21555.2",
     "Microsoft.Build.NoTargets": "3.1.0",
     "Microsoft.Build.Traversal": "3.0.23",
     "Microsoft.NET.Sdk.IL": "7.0.0-alpha.1.21551.1"