diff --git a/azure-pipelines-pr.yml b/azure-pipelines-pr.yml
new file mode 100644
index 00000000000..8c4f43a99f0
--- /dev/null
+++ b/azure-pipelines-pr.yml
@@ -0,0 +1,100 @@
+# This is a simple wrapper for eng/pipeline.yml to get around the limitation of
+# user-defined variables not being available in yaml template expressions.
+
+# Parameters ARE available in template expressions, and parameters can have default values,
+# so they can be used to control yaml flow.
+#
+
+variables:
+    # clean the local repo on the build agents
+  - name: Build.Repository.Clean
+    value: true
+  - name: _PublishUsingPipelines
+    value: true
+  - name: _DotNetArtifactsCategory
+    value: WINDOWSDESKTOP
+  - name: _DotNetValidationArtifactsCategory
+    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. 
+#
+# _ContinuousIntegrationTestsEnabled: false
+
+# Setting batch to true, triggers one build at a time.
+# if there is a push while a build in progress, it will wait,
+# until the running build finishes, and produce a build with all the changes
+#
+# only trigger ci builds for the master and release branches
+trigger:
+  batch: true 
+  branches:
+    include: 
+    - main
+    - release/3.*
+    - release/5.*
+    - release/6.*
+    - internal/release/5.*
+    - internal/release/6.*
+    - experimental/*
+  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'