diff --git a/NuGet.config b/NuGet.config
index dd82c96ac269..25788976f9cc 100644
--- a/NuGet.config
+++ b/NuGet.config
@@ -4,10 +4,8 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-efcore -->
-    <add key="darc-int-dotnet-efcore-f8a6198" value="https://pkgs.dev.azure.com/dnceng/_packaging/darc-int-dotnet-efcore-f8a6198d/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-efcore -->
     <!--  Begin: Package sources from dotnet-runtime -->
-    <add key="darc-int-dotnet-runtime-556582d-2" value="https://pkgs.dev.azure.com/dnceng/_packaging/darc-int-dotnet-runtime-556582d9-2/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
     <add key="dotnet-eng" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-eng/nuget/v3/index.json" />
@@ -22,10 +20,8 @@
     <clear />
     <!--Begin: Package sources managed by Dependency Flow automation. Do not edit the sources below.-->
     <!--  Begin: Package sources from dotnet-runtime -->
-    <add key="darc-int-dotnet-runtime-556582d-2" value="true" />
     <!--  End: Package sources from dotnet-runtime -->
     <!--  Begin: Package sources from dotnet-efcore -->
-    <add key="darc-int-dotnet-efcore-f8a6198" value="true" />
     <!--  End: Package sources from dotnet-efcore -->
     <!--End: Package sources managed by Dependency Flow automation. Do not edit the sources above.-->
   </disabledPackageSources>
diff --git a/eng/Version.Details.xml b/eng/Version.Details.xml
index ca4ee8f3ed54..a58299566a34 100644
--- a/eng/Version.Details.xml
+++ b/eng/Version.Details.xml
@@ -313,17 +313,17 @@
       <Uri>https://dev.azure.com/dnceng/internal/_git/dotnet-runtime</Uri>
       <Sha>2f740adc1457e8a28c1c072993b66f515977eb51</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="5.0.0-beta.21160.3">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="5.0.0-beta.21262.2">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>670382be6a978ba401c21c57ba44311199d2682a</Sha>
+      <Sha>dad4f3c62e24b94b1514427674af8ca899cddd5f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Build.Tasks.Installers" Version="5.0.0-beta.21160.3">
+    <Dependency Name="Microsoft.DotNet.Build.Tasks.Installers" Version="5.0.0-beta.21262.2">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>670382be6a978ba401c21c57ba44311199d2682a</Sha>
+      <Sha>dad4f3c62e24b94b1514427674af8ca899cddd5f</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="5.0.0-beta.21160.3">
+    <Dependency Name="Microsoft.DotNet.Helix.Sdk" Version="5.0.0-beta.21262.2">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>670382be6a978ba401c21c57ba44311199d2682a</Sha>
+      <Sha>dad4f3c62e24b94b1514427674af8ca899cddd5f</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>
diff --git a/eng/Versions.props b/eng/Versions.props
index d9cb8fd2e7d1..c12072e58c6b 100644
--- a/eng/Versions.props
+++ b/eng/Versions.props
@@ -136,7 +136,7 @@
     <MicrosoftEntityFrameworkCorePackageVersion>5.0.7</MicrosoftEntityFrameworkCorePackageVersion>
     <MicrosoftEntityFrameworkCoreDesignPackageVersion>5.0.7</MicrosoftEntityFrameworkCoreDesignPackageVersion>
     <!-- Packages from dotnet/arcade -->
-    <MicrosoftDotNetBuildTasksInstallersPackageVersion>5.0.0-beta.21160.3</MicrosoftDotNetBuildTasksInstallersPackageVersion>
+    <MicrosoftDotNetBuildTasksInstallersPackageVersion>5.0.0-beta.21262.2</MicrosoftDotNetBuildTasksInstallersPackageVersion>
   </PropertyGroup>
   <!--
 
diff --git a/eng/common/generate-locproject.ps1 b/eng/common/generate-locproject.ps1
new file mode 100644
index 000000000000..2907f916d6f3
--- /dev/null
+++ b/eng/common/generate-locproject.ps1
@@ -0,0 +1,110 @@
+Param(
+    [Parameter(Mandatory=$true)][string] $SourcesDirectory,     # Directory where source files live; if using a Localize directory it should live in here
+    [string] $LanguageSet = 'VS_Main_Languages',                # Language set to be used in the LocProject.json
+    [switch] $UseCheckedInLocProjectJson,                       # When set, generates a LocProject.json and compares it to one that already exists in the repo; otherwise just generates one
+    [switch] $CreateNeutralXlfs                                 # Creates neutral xlf files. Only set to false when running locally
+)
+
+# Generates LocProject.json files for the OneLocBuild task. OneLocBuildTask is described here:
+# https://ceapex.visualstudio.com/CEINTL/_wiki/wikis/CEINTL.wiki/107/Localization-with-OneLocBuild-Task
+
+Set-StrictMode -Version 2.0
+$ErrorActionPreference = "Stop"
+. $PSScriptRoot\tools.ps1
+
+Import-Module -Name (Join-Path $PSScriptRoot 'native\CommonLibrary.psm1')
+
+$exclusionsFilePath = "$SourcesDirectory\Localize\LocExclusions.json"
+$exclusions = @{ Exclusions = @() }
+if (Test-Path -Path $exclusionsFilePath)
+{
+    $exclusions = Get-Content "$exclusionsFilePath" | ConvertFrom-Json
+}
+
+Push-Location "$SourcesDirectory" # push location for Resolve-Path -Relative to work
+
+# Template files
+$jsonFiles = @()
+$jsonFiles += Get-ChildItem -Recurse -Path "$SourcesDirectory" | Where-Object { $_.FullName -Match "\.template\.config\\localize\\en\..+\.json" } # .NET templating pattern
+$jsonFiles += Get-ChildItem -Recurse -Path "$SourcesDirectory" | Where-Object { $_.FullName -Match "en\\strings\.json" } # current winforms pattern
+
+$xlfFiles = @()
+
+$allXlfFiles = Get-ChildItem -Recurse -Path "$SourcesDirectory\*\*.xlf"
+$langXlfFiles = @()
+if ($allXlfFiles) {
+    $null = $allXlfFiles[0].FullName -Match "\.([\w-]+)\.xlf" # matches '[langcode].xlf'
+    $firstLangCode = $Matches.1
+    $langXlfFiles = Get-ChildItem -Recurse -Path "$SourcesDirectory\*\*.$firstLangCode.xlf"
+}
+$langXlfFiles | ForEach-Object {
+    $null = $_.Name -Match "(.+)\.[\w-]+\.xlf" # matches '[filename].[langcode].xlf'
+    
+    $destinationFile = "$($_.Directory.FullName)\$($Matches.1).xlf"
+    $xlfFiles += Copy-Item "$($_.FullName)" -Destination $destinationFile -PassThru
+}
+
+$locFiles = $jsonFiles + $xlfFiles
+
+$locJson = @{
+    Projects = @(
+        @{
+            LanguageSet = $LanguageSet
+            LocItems = @(
+                $locFiles | ForEach-Object {
+                    $outputPath = "$(($_.DirectoryName | Resolve-Path -Relative) + "\")" 
+                    $continue = $true
+                    foreach ($exclusion in $exclusions.Exclusions) {
+                        if ($outputPath.Contains($exclusion))
+                        {
+                            $continue = $false
+                        }
+                    }
+                    $sourceFile = ($_.FullName | Resolve-Path -Relative)
+                    if (!$CreateNeutralXlfs -and $_.Extension -eq '.xlf') {
+                        Remove-Item -Path $sourceFile
+                    }
+                    if ($continue)
+                    {
+                        if ($_.Directory.Name -eq 'en' -and $_.Extension -eq '.json') {
+                            return @{
+                                SourceFile = $sourceFile
+                                CopyOption = "LangIDOnPath"
+                                OutputPath = "$($_.Directory.Parent.FullName | Resolve-Path -Relative)\"
+                            }
+                        }
+                        else {
+                            return @{
+                                SourceFile = $sourceFile
+                                CopyOption = "LangIDOnName"
+                                OutputPath = $outputPath
+                            }
+                        }
+                    }
+                }
+            )
+        }
+    )
+}
+
+$json = ConvertTo-Json $locJson -Depth 5
+Write-Host "LocProject.json generated:`n`n$json`n`n"
+Pop-Location
+
+if (!$UseCheckedInLocProjectJson) {
+    New-Item "$SourcesDirectory\Localize\LocProject.json" -Force # Need this to make sure the Localize directory is created
+    Set-Content "$SourcesDirectory\Localize\LocProject.json" $json
+}
+else {
+    New-Item "$SourcesDirectory\Localize\LocProject-generated.json" -Force # Need this to make sure the Localize directory is created
+    Set-Content "$SourcesDirectory\Localize\LocProject-generated.json" $json
+
+    if ((Get-FileHash "$SourcesDirectory\Localize\LocProject-generated.json").Hash -ne (Get-FileHash "$SourcesDirectory\Localize\LocProject.json").Hash) {
+        Write-PipelineTelemetryError -Category "OneLocBuild" -Message "Existing LocProject.json differs from generated LocProject.json. Download LocProject-generated.json and compare them."
+        
+        exit 1
+    }
+    else {
+        Write-Host "Generated LocProject.json and current LocProject.json are identical."
+    }
+}
\ No newline at end of file
diff --git a/eng/common/templates/job/onelocbuild.yml b/eng/common/templates/job/onelocbuild.yml
new file mode 100644
index 000000000000..b27d6faf3035
--- /dev/null
+++ b/eng/common/templates/job/onelocbuild.yml
@@ -0,0 +1,83 @@
+parameters:
+  # Optional: dependencies of the job
+  dependsOn: ''
+
+  # 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
+
+  CeapexPat: $(dn-bot-ceapex-package-r) # PAT for the loc AzDO instance https://dev.azure.com/ceapex
+  GithubPat: $(BotAccount-dotnet-bot-repo-PAT)
+
+  SourcesDirectory: $(Build.SourcesDirectory)
+  CreatePr: true
+  AutoCompletePr: false
+  UseCheckedInLocProjectJson: false
+  LanguageSet: VS_Main_Languages
+  LclSource: lclFilesInRepo
+  LclPackageId: ''
+  RepoType: gitHub
+  condition: ''
+
+jobs:
+- job: OneLocBuild
+  
+  dependsOn: ${{ parameters.dependsOn }}
+
+  displayName: OneLocBuild
+
+  pool: ${{ parameters.pool }}
+
+  variables:
+    - group: OneLocBuildVariables # Contains the CeapexPat and GithubPat
+    - name: _GenerateLocProjectArguments
+      value: -SourcesDirectory ${{ parameters.SourcesDirectory }}
+        -LanguageSet "${{ parameters.LanguageSet }}"
+        -CreateNeutralXlfs
+    - ${{ if eq(parameters.UseCheckedInLocProjectJson, 'true') }}:
+      - name: _GenerateLocProjectArguments
+        value: ${{ variables._GenerateLocProjectArguments }} -UseCheckedInLocProjectJson
+      
+
+  steps:
+    - task: Powershell@2
+      inputs:
+        filePath: $(Build.SourcesDirectory)/eng/common/generate-locproject.ps1
+        arguments: $(_GenerateLocProjectArguments)
+      displayName: Generate LocProject.json
+      condition: ${{ parameters.condition }}
+
+    - task: OneLocBuild@2
+      displayName: OneLocBuild
+      env:
+        SYSTEM_ACCESSTOKEN: $(System.AccessToken)
+      inputs:
+        locProj: Localize/LocProject.json
+        outDir: $(Build.ArtifactStagingDirectory)
+        lclSource: ${{ parameters.LclSource }}
+        lclPackageId: ${{ parameters.LclPackageId }}
+        isCreatePrSelected: ${{ parameters.CreatePr }}
+        ${{ if eq(parameters.CreatePr, true) }}:
+          isAutoCompletePrSelected: ${{ parameters.AutoCompletePr }}
+        packageSourceAuth: patAuth
+        patVariable: ${{ parameters.CeapexPat }}
+        ${{ if eq(parameters.RepoType, 'gitHub') }}:
+          repoType: ${{ parameters.RepoType }}
+          gitHubPatVariable: "${{ parameters.GithubPat }}"
+      condition: ${{ parameters.condition }}
+
+    - task: PublishBuildArtifacts@1
+      displayName: Publish Localization Files
+      inputs:
+        PathtoPublish: '$(Build.ArtifactStagingDirectory)/loc'
+        PublishLocation: Container
+        ArtifactName: Loc
+      condition: ${{ parameters.condition }}
+
+    - task: PublishBuildArtifacts@1
+      displayName: Publish LocProject.json
+      inputs:
+        PathtoPublish: '$(Build.SourcesDirectory)/Localize/'
+        PublishLocation: Container
+        ArtifactName: Loc
+      condition: ${{ parameters.condition }}
\ No newline at end of file
diff --git a/global.json b/global.json
index 8dd41ed5f497..25bf32016bb9 100644
--- a/global.json
+++ b/global.json
@@ -30,7 +30,7 @@
   },
   "msbuild-sdks": {
     "Yarn.MSBuild": "1.15.2",
-    "Microsoft.DotNet.Arcade.Sdk": "5.0.0-beta.21160.3",
-    "Microsoft.DotNet.Helix.Sdk": "5.0.0-beta.21160.3"
+    "Microsoft.DotNet.Arcade.Sdk": "5.0.0-beta.21262.2",
+    "Microsoft.DotNet.Helix.Sdk": "5.0.0-beta.21262.2"
   }
 }