diff --git a/.vsts-dotnet-ci.yml b/.vsts-dotnet-ci.yml
index 60a757b7803..d143b8b6b19 100644
--- a/.vsts-dotnet-ci.yml
+++ b/.vsts-dotnet-ci.yml
@@ -3,6 +3,16 @@ trigger:
 - exp/*
 - vs*
 
+variables:
+- ${{ if eq(variables['System.TeamProject'], 'DevDiv') }}:
+  - group: AzureDevOps-Artifact-Feeds-Pats
+- name: cfsNugetWarnLevel
+  value: warn
+- name: nugetMultiFeedWarnLevel
+  value: none
+- name: NugetSecurityAnalysisWarningLevel
+  value: none
+
 jobs:
 - job: CheckVersionBumpOnReleaseBranches
   displayName: "Check Version Bump On Release Branches"
@@ -65,6 +75,14 @@ jobs:
   pool:
     vmImage: 'windows-2022'
   steps:
+  - ${{ if eq(variables['System.TeamProject'], 'DevDiv') }}:
+    - task: PowerShell@2
+      displayName: Setup Private Feeds Credentials
+      inputs:
+        filePath: $(Build.SourcesDirectory)/eng/common/SetupNugetSources.ps1
+        arguments: -ConfigFile $(Build.SourcesDirectory)/NuGet.config -Password $Env:Token
+      env:
+        Token: $(dn-bot-dnceng-artifact-feeds-rw)
   - task: BatchScript@1
     displayName: cibuild_bootstrapped_msbuild.cmd
     inputs:
@@ -136,6 +154,14 @@ jobs:
   pool:
     vmImage: 'windows-2022'
   steps:
+  - ${{ if eq(variables['System.TeamProject'], 'DevDiv') }}:
+    - task: PowerShell@2
+      displayName: Setup Private Feeds Credentials
+      inputs:
+        filePath: $(Build.SourcesDirectory)/eng/common/SetupNugetSources.ps1
+        arguments: -ConfigFile $(Build.SourcesDirectory)/NuGet.config -Password $Env:Token
+      env:
+        Token: $(dn-bot-dnceng-artifact-feeds-rw)
   - task: BatchScript@1
     displayName: cibuild_bootstrapped_msbuild.cmd
     inputs:
@@ -191,6 +217,14 @@ jobs:
       name: VSEngSS-MicroBuild2022-1ES
       demands: agent.os -equals Windows_NT
   steps:
+  - ${{ if eq(variables['System.TeamProject'], 'DevDiv') }}:
+    - task: PowerShell@2
+      displayName: Setup Private Feeds Credentials
+      inputs:
+        filePath: $(Build.SourcesDirectory)/eng/common/SetupNugetSources.ps1
+        arguments: -ConfigFile $(Build.SourcesDirectory)/NuGet.config -Password $Env:Token
+      env:
+        Token: $(dn-bot-dnceng-artifact-feeds-rw)
   - task: BatchScript@1
     displayName: cibuild.cmd
     inputs:
@@ -265,6 +299,14 @@ jobs:
   pool:
     vmImage: 'ubuntu-latest'
   steps:
+  - ${{ if eq(variables['System.TeamProject'], 'DevDiv') }}:
+    - task: Bash@3
+      displayName: Setup Private Feeds Credentials
+      inputs:
+        filePath: $(Build.SourcesDirectory)/eng/common/SetupNugetSources.sh
+        arguments: $(Build.SourcesDirectory)/NuGet.config $Token
+      env:
+        Token: $(dn-bot-dnceng-artifact-feeds-rw)
   - bash: . 'eng/cibuild_bootstrapped_msbuild.sh' --onlyDocChanged $(onlyDocChanged)
     displayName: CI Build
   - task: PublishTestResults@2
@@ -322,6 +364,14 @@ jobs:
   pool:
     vmImage: 'macOS-latest'
   steps:
+  - ${{ if eq(variables['System.TeamProject'], 'DevDiv') }}:
+    - task: Bash@3
+      displayName: Setup Private Feeds Credentials
+      inputs:
+        filePath: $(Build.SourcesDirectory)/eng/common/SetupNugetSources.sh
+        arguments: $(Build.SourcesDirectory)/NuGet.config $Token
+      env:
+        Token: $(dn-bot-dnceng-artifact-feeds-rw)
   - bash: . 'eng/cibuild_bootstrapped_msbuild.sh' --onlyDocChanged $(onlyDocChanged)
     displayName: CI Build
   - task: PublishTestResults@2
diff --git a/.vsts-dotnet.yml b/.vsts-dotnet.yml
index bf994785873..47280eea93c 100644
--- a/.vsts-dotnet.yml
+++ b/.vsts-dotnet.yml
@@ -37,6 +37,13 @@ variables:
     value: true # Enable loc for vs17.14
   - name: Codeql.Enabled
     value: true
+  - group: AzureDevOps-Artifact-Feeds-Pats
+  - name: cfsNugetWarnLevel
+    value: warn
+  - name: nugetMultiFeedWarnLevel
+    value: none
+  - name: NugetSecurityAnalysisWarningLevel
+    value: none
 
 resources:
   repositories:
@@ -120,6 +127,14 @@ extends:
         - task: NuGetToolInstaller@1
           displayName: 'Install NuGet.exe'
 
+        - task: PowerShell@2
+          displayName: Setup Private Feeds Credentials
+          inputs:
+            filePath: $(Build.SourcesDirectory)/eng/common/SetupNugetSources.ps1
+            arguments: -ConfigFile $(Build.SourcesDirectory)/NuGet.config -Password $Env:Token
+          env:
+            Token: $(dn-bot-dnceng-artifact-feeds-rw)
+
         - task: NuGetCommand@2
           displayName: Restore internal tools
           inputs:
diff --git a/eng/build.ps1 b/eng/build.ps1
index eaf7cc577d8..d71fa299fd8 100644
--- a/eng/build.ps1
+++ b/eng/build.ps1
@@ -150,7 +150,7 @@ function Set-OptProfVariables() {
 
 function Check-EditedFiles() {
   # Log VSTS errors for changed lines
-  git --no-pager diff HEAD --unified=0 --no-color --exit-code | ForEach-Object { "##vso[task.logissue type=error] $_" }
+  git --no-pager diff HEAD --unified=0 --no-color --exit-code -- src/ | ForEach-Object { "##vso[task.logissue type=error] $_" }
   if ($LASTEXITCODE -ne 0) {
     throw "##vso[task.logissue type=error] After building, there are changed files.  Please build locally and include these changes in your pull request."
   }
diff --git a/src/Shared/FrameworkLocationHelper.cs b/src/Shared/FrameworkLocationHelper.cs
index b0b620ad68a..2bc28819c6e 100644
--- a/src/Shared/FrameworkLocationHelper.cs
+++ b/src/Shared/FrameworkLocationHelper.cs
@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System;
@@ -1390,6 +1390,7 @@ public virtual string GetPathToDotNetFramework(DotNetFrameworkArchitecture archi
                 // Assume if either MSBuild.exe or Microsoft.Build.dll are shipped, there is a valid install.
                 // Note: net481 did not ship an ARM64 MSBuild.exe, so checking its dll's is the fallback for a valid install.
                 // Context: https://github.com/dotnet/msbuild/pull/7689
+                // Rollback see https://developercommunity.visualstudio.com/t/Unable-to-locate-MSBuild-path-with-Lates/10824132 
                 if (this._hasMsBuild &&
                     generatedPathToDotNetFramework != null &&
                     (!File.Exists(Path.Combine(generatedPathToDotNetFramework, NativeMethodsShared.IsWindows ? "MSBuild.exe" : "mcs.exe")) &&
diff --git a/src/Utilities/ToolLocationHelper.cs b/src/Utilities/ToolLocationHelper.cs
index 0d45b676cd8..3f13658e0dd 100644
--- a/src/Utilities/ToolLocationHelper.cs
+++ b/src/Utilities/ToolLocationHelper.cs
@@ -3584,6 +3584,7 @@ public static string GetPathToBuildToolsFile(string fileName, string toolsVersio
             {
                 toolPath = Path.Combine(toolPath, fileName);
 
+                // Rollback see https://developercommunity.visualstudio.com/t/Unable-to-locate-MSBuild-path-with-Lates/10824132 
                 if (!File.Exists(toolPath))
                 {
                     toolPath = null;