diff --git a/azure-pipelines-pr.yml b/azure-pipelines-pr.yml
index 8c4f43a99f0..f0261d29cbd 100644
--- a/azure-pipelines-pr.yml
+++ b/azure-pipelines-pr.yml
@@ -61,12 +61,12 @@ pr:
     exclude:
     - Documentation/*
 
-# Call the pipeline.yml template, which does the real work
+# Call the pipeline-pr.yml template, which does the real work
 stages:
 - stage: build
   displayName: Build 
   jobs:
-  - template: /eng/pipeline.yml
+  - template: /eng/pipeline-pr.yml
     parameters:
       enablePublishUsingPipelines: $(_PublishUsingPipelines)
       ${{ if and(ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest')) }}:
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 8c4f43a99f0..3881d30c191 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -17,11 +17,8 @@ variables:
     value: WINDOWSDESKTOP
   - name: PostBuildSign
     value: true
-  
   - ${{ if and(ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest')) }}:
     - group: DotNet-Wpf-SDLValidation-Params
-
-
 # This is set in the pipeline directly 
 # When set to false, CI tests will not be enabled in builds. 
 #
@@ -33,9 +30,9 @@ variables:
 #
 # only trigger ci builds for the master and release branches
 trigger:
-  batch: true 
+  batch: true
   branches:
-    include: 
+    include:
     - main
     - release/3.*
     - release/5.*
@@ -46,55 +43,39 @@ trigger:
   paths:
     exclude:
     - Documentation/*
-
-pr:
-  autoCancel: true
-  branches:
-    include:
-    - main
-    - release/3.* 
-    - internal/release/3.*
-    - release/5.*
-    - release/6.*
-    - experimental/*
-  paths:
-    exclude:
-    - Documentation/*
-
-# Call the pipeline.yml template, which does the real work
-stages:
-- stage: build
-  displayName: Build 
-  jobs:
-  - template: /eng/pipeline.yml
-    parameters:
-      enablePublishUsingPipelines: $(_PublishUsingPipelines)
-      ${{ if and(ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest')) }}:
-        # agent pool can't be read from a user-defined variable (Azure DevOps limitation)
-        pool:
-          name: NetCore1ESPool-Svc-Internal
-          demands: ImageOverride -equals windows.vs2019.amd64
-        # runAsPublic is used in expressions, which can't read from user-defined variables
-        runAsPublic: false
-
-- ${{ if and(ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest')) }}:
-  - template: eng\common\templates\post-build\post-build.yml
-    parameters:
-      publishingInfraVersion: 3
-      enableSymbolValidation: false
-      enableSigningValidation: false
-      enableNugetValidation: false
-      enableSourceLinkValidation: false
-      # This is to enable SDL runs part of Post-Build Validation Stage
-      SDLValidationParameters:
-        enable: false
-        params: ' -SourceToolsList @("policheck","credscan")
-        -TsaInstanceURL $(_TsaInstanceURL)
-        -TsaProjectName $(_TsaProjectName)
-        -TsaNotificationEmail $(_TsaNotificationEmail)
-        -TsaCodebaseAdmin $(_TsaCodebaseAdmin)
-        -TsaBugAreaPath $(_TsaBugAreaPath)
-        -TsaIterationPath $(_TsaIterationPath)
-        -TsaRepositoryName "wpf"
-        -TsaCodebaseName "wpf"
-        -TsaPublish $True'
+resources:
+  repositories:
+  - repository: 1ESPipelineTemplates
+    type: git
+    name: 1ESPipelineTemplates/1ESPipelineTemplates
+    ref: refs/tags/release
+extends:
+  template: v1/1ES.Official.PipelineTemplate.yml@1ESPipelineTemplates
+  parameters:
+    featureFlags:
+      autoBaseline: true
+    pool:
+      name: NetCore1ESPool-Internal
+      image: 1es-windows-2022-pt
+      os: windows
+    customBuildTags:
+    - ES365AIMigrationTooling
+    stages:
+    - stage: build
+      displayName: Build
+      jobs:
+      - template: /eng/pipeline.yml@self
+        parameters:
+          ${{ if and(ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest')) }}:
+            runAsPublic: false
+    - ${{ if and(ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest')) }}:
+      - template: /eng/common/templates-official/post-build/post-build.yml@self
+        parameters:
+          publishingInfraVersion: 3
+          enableSymbolValidation: false
+          enableSigningValidation: false
+          enableNugetValidation: false
+          enableSourceLinkValidation: false
+          SDLValidationParameters:
+            enable: false
+            params: ' -SourceToolsList @("policheck","credscan") -TsaInstanceURL $(_TsaInstanceURL) -TsaProjectName $(_TsaProjectName) -TsaNotificationEmail $(_TsaNotificationEmail) -TsaCodebaseAdmin $(_TsaCodebaseAdmin) -TsaBugAreaPath $(_TsaBugAreaPath) -TsaIterationPath $(_TsaIterationPath) -TsaRepositoryName "wpf" -TsaCodebaseName "wpf" -TsaPublish $True'
diff --git a/eng/pipeline-pr.yml b/eng/pipeline-pr.yml
new file mode 100644
index 00000000000..fc6cd2c24fa
--- /dev/null
+++ b/eng/pipeline-pr.yml
@@ -0,0 +1,196 @@
+#
+# This file should be kept in sync across https://www.github.com/dotnet/wpf and dotnet-wpf-int repos. 
+#
+# 
+
+parameters:
+  # Needed because runAsPublic is used in template expressions, which can't read from user-defined variables
+  # Defaults to true
+  runAsPublic: true
+  repoName: dotnet/wpf
+
+jobs:
+- ${{ if and(ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest'), eq(variables['Build.SourceBranch'], 'refs/heads/main')) }}:
+  - template: /eng/common/templates/job/onelocbuild.yml
+    parameters:
+      MirrorRepo: wpf
+      LclSource: lclFilesfromPackage
+      LclPackageId: 'LCL-JUNO-PROD-WPF'
+- template: /eng/common/templates/jobs/jobs.yml
+  parameters:
+    enableMicrobuild: true
+    enablePublishBuildArtifacts: true
+    enablePublishTestResults: false # tests run in helix
+    enablePublishBuildAssets: true
+    enablePublishUsingPipelines: $(_PublishUsingPipelines)
+    enableTelemetry: true
+    helixRepo: $(repoName)
+
+    jobs:
+    - job: Windows_NT
+      timeoutInMinutes: 120  # how long to run the job before automatically cancelling; see https://github.com/dotnet/wpf/issues/952
+      pool:
+        # For public jobs, use the hosted pool.  For internal jobs use the internal pool.
+        # Will eventually change this to two BYOC pools.
+        # agent pool can't be read from a user-defined variable (Azure DevOps limitation)
+        ${{ if eq(variables['System.TeamProject'], 'public') }}:
+          name: NetCore-Svc-Public
+          demands: ImageOverride -equals windows.vs2022preview.amd64.open
+        ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+          name: NetCore1ESPool-Svc-Internal
+          demands: ImageOverride -equals windows.vs2022preview.amd64
+      variables:
+        # needed for signing
+        - name: _TeamName
+          value: DotNetCore
+        - name: _SignType
+          value: real
+        - name: _SignArgs
+          value: ''
+        - name: _PublishArgs
+          value: ''
+        - name: _OfficialBuildIdArgs
+          value: ''
+        - name: _Platform
+          value: x86
+        - name: _PlatformArgs
+          value: /p:Platform=$(_Platform)
+        - name: _PublicBuildPipeline  # We will run Helix tests when building in the open, but do not repeat when building and publishing again using the internal build-pipeline
+          value: true
+        - name: _TestHelixAgentPool
+          value: 'Windows.10.Amd64.ClientRS5.Open' # Preferred:'Windows.10.Amd64.Open%3bWindows.7.Amd64.Open%3bWindows.10.Amd64.ClientRS5.Open'; See https://github.com/dotnet/wpf/issues/952
+        - name: _HelixStagingDir
+          value: $(BUILD.STAGINGDIRECTORY)\helix\functests
+        - name: _HelixSource
+          value: ${{ parameters.repoName }}/$(Build.SourceBranch)
+        - name: _HelixToken
+          value: ''
+        - name: _HelixCreator
+          value: ${{ parameters.repoName }}
+        - ${{ if ne(variables['System.TeamProject'], 'internal') }}:
+          - name: _InternalRuntimeDownloadArgs
+            value: ''
+        - ${{ if eq(variables['System.TeamProject'], 'internal') }}:
+          - group: DotNetBuilds storage account read tokens
+          - group: AzureDevOps-Artifact-Feeds-Pats
+          - name: _InternalRuntimeDownloadArgs
+            value: >-
+              /p:DotNetRuntimeSourceFeed=https://dotnetbuilds.blob.core.windows.net/internal
+              /p:DotNetRuntimeSourceFeedKey=$(dotnetbuilds-internal-container-read-token-base64)
+
+
+        # Override some values if we're building internally
+        - ${{ if eq(parameters.runAsPublic, 'false') }}:
+          # note: You have to use list syntax here (- name: value) or you will get errors about declaring the same variable multiple times
+          - name: _SignType
+            value: real
+          - group: DotNet-Blob-Feed
+          - group: DotNet-Symbol-Server-Pats
+          - group: DotNet-HelixApi-Access
+
+          # note: Even though they are referenced here, user defined variables (like $(_SignType)) are not resolved 
+          # until the agent is running on the machine. They can be overridden any time before they are resolved,
+          # like in the job matrix below (see Build_Debug)
+          - name: _SignArgs
+            value: /p:DotNetSignType=$(_SignType) /p:TeamName=$(_TeamName)
+          - name: _PublishArgs
+            value: 
+              /p:DotNetPublishUsingPipelines=$(_PublishUsingPipelines)
+          - name: _OfficialBuildIdArgs
+            value: /p:OfficialBuildId=$(BUILD.BUILDNUMBER)
+          - name: _PublicBuildPipeline
+            value: false
+          - name: _HelixSource
+            value: official/${{ parameters.repoName }}/$(Build.SourceBranch)
+          - name: _HelixToken
+            value: '$(HelixApiAccessToken)' # from DotNet-HelixApi-Access group
+          - name: _HelixCreator
+            value: '' #if _HelixToken is set, Creator must be empty
+          - name: _TestHelixAgentPool
+            value: 'Windows.10.Amd64.ClientRS5' # Preferred: 'Windows.10.Amd64%3bWindows.7.Amd64%3bWindows.10.Amd64.ClientRS5'
+
+      strategy:
+        matrix:
+          ${{ if eq(parameters.runAsPublic, 'true') }}:
+            Build_Debug_x86:
+              _BuildConfig: Debug
+              # override some variables for debug
+              # _SignType has to be real for package publishing to succeed - do not override to test.
+          Build_Release_x86:
+            _BuildConfig: Release
+          ${{ if eq(parameters.runAsPublic, 'true') }}:
+            Build_Debug_x64:
+              _BuildConfig: Debug
+              # override some variables for debug
+              # _SignType has to be real for package publishing to succeed - do not override to test.
+              _Platform: x64
+          Build_Release_x64:
+            _BuildConfig: Release
+            _Platform: x64
+          ${{ if eq(parameters.runAsPublic, 'true') }}:
+            Build_Debug_arm64:
+              _BuildConfig: Debug
+              # override some variables for debug
+              # _SignType has to be real for package publishing to succeed - do not override to test.
+              _Platform: arm64
+          Build_Release_arm64:
+            _BuildConfig: Release
+            _Platform: arm64
+      steps:
+      - checkout: self
+        clean: true
+
+      # Set VSO Variable(s)
+      - powershell: eng\pre-build.ps1
+        displayName: Pre-Build - Set VSO Variables
+
+      - ${{ if ne(variables['System.TeamProject'], 'public') }}:
+        - 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)
+
+      # Use utility script to run script command dependent on agent OS.
+      - script: eng\common\cibuild.cmd
+          -configuration $(_BuildConfig) 
+          -prepareMachine
+          $(_PublishArgs)
+          $(_SignArgs)
+          $(_OfficialBuildIdArgs)
+          $(_PlatformArgs)
+          $(_InternalRuntimeDownloadArgs)
+        displayName: Windows Build / Publish
+        # This condition should be kept in sync with the condition for 'Run DRTs' step 
+        #   When building on a regular pipeline (!_HelixPipeline), build as usual 
+        #   When building on a Helix pipeline, only build Release configs
+        #   (!_HelixPipeline) ||
+        #   (_HelixPipeline && _PublicBuildPipeline && _ContinuousIntegrationTestsEnabled && _BuildConfig == Release)
+        condition: or(ne(variables['_HelixPipeline'], 'true'), and(eq(variables['_HelixPipeline'], 'true') ,eq(variables['_BuildConfig'], 'Release'), eq(variables['_PublicBuildPipeline'], 'true'), eq(variables['_ContinuousIntegrationTestsEnabled'], 'true')))
+
+      # Run DRTs
+      - powershell: eng\common\cibuild.cmd
+          -configuration $(_BuildConfig)
+          $(_OfficialBuildIdArgs) 
+          $(_PlatformArgs)
+          -projects $(Build.SourcesDirectory)\eng\helixpublish.proj
+          /bl:$(BUILD.SOURCESDIRECTORY)\artifacts\log\$(_BuildConfig)\HelixDrt.binlog
+        displayName: Run Developer Regression Tests on Helix Machine (Release)
+        env:
+          HelixSource: $(_HelixSource)
+          HelixType: 'tests/drt'
+          HelixBuild: $(Build.BuildNumber)
+          HelixTargetQueues: $(_TestHelixAgentPool)
+          HelixAccessToken: $(_HelixToken)              # only defined for internal CI
+          Creator: $(_HelixCreator)
+          SYSTEM_ACCESSTOKEN: $(System.AccessToken)
+        # This condition should be kept in sync with the condition for cibuild.cmd step with displayName: "Windows Build / Publish"
+        # Only run ...
+        # ...When building on a Helix pipeline, only build Release configs
+        #
+        #   (_HelixPipeline && _PublicBuildPipeline && _ContinuousIntegrationTestsEnabled && _BuildConfig == Release)
+        #
+        condition: and(succeeded(), eq(variables['_HelixPipeline'], 'true') ,eq(variables['_BuildConfig'], 'Release'), eq(variables['_PublicBuildPipeline'], 'true'), eq(variables['_ContinuousIntegrationTestsEnabled'], 'true'))
+        
\ No newline at end of file
diff --git a/eng/pipeline.yml b/eng/pipeline.yml
index 128af17414d..381728d7275 100644
--- a/eng/pipeline.yml
+++ b/eng/pipeline.yml
@@ -11,12 +11,12 @@ parameters:
 
 jobs:
 - ${{ if and(ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest'), eq(variables['Build.SourceBranch'], 'refs/heads/main')) }}:
-  - template: /eng/common/templates/job/onelocbuild.yml
+  - template: /eng/common/templates-official/job/onelocbuild.yml@self
     parameters:
       MirrorRepo: wpf
       LclSource: lclFilesfromPackage
       LclPackageId: 'LCL-JUNO-PROD-WPF'
-- template: /eng/common/templates/jobs/jobs.yml
+- template: /eng/common/templates-official/jobs/jobs.yml@self
   parameters:
     enableMicrobuild: true
     enablePublishBuildArtifacts: true