diff --git a/build-solution.yml b/build-solution.yml
new file mode 100644
index 000000000..2b9b375cf
--- /dev/null
+++ b/build-solution.yml
@@ -0,0 +1,30 @@
+parameters:
+- name: solution
+  type: string
+- name: configuration
+  type: string
+  default: Release
+
+steps:
+- powershell: |
+    dir
+  displayName: 'list dir'
+
+- task: NuGetToolInstaller@1
+
+- task: NuGetCommand@2
+  displayName: 'Restoring NuGet packages'
+  inputs:
+    command: 'restore'
+    restoreSolution: ${{ parameters.solution }}
+
+- task: VSBuild@1
+  displayName: 'Building project in ${{ parameters.configuration }}'
+  inputs:
+    solution: ${{ parameters.solution }}
+    msbuildArgs: '/p:AppxBundlePlatforms="x64" /p:AppxPackageDir="$(build.artifactStagingDirectory)\AppxPackages" /p:AppxBundle=Always /p:UapAppxPackageBuildMode=StoreUpload /m /nr:false /p:TreatWarningsAsErrors="true"'
+    platform: 'x64'
+    configuration: ${{ parameters.configuration }}
+    clean: true
+  env:
+    MSBUILDDISABLENODEREUSE: 1
diff --git a/build-test-deploy.yml b/build-test-deploy.yml
index b6a306639..da3cf06a4 100644
--- a/build-test-deploy.yml
+++ b/build-test-deploy.yml
@@ -1,261 +1,263 @@
-# https://aka.ms/yaml
-
-trigger:
-- main
-
-variables:
-  - group: s3PushInstallers
-  - group: pipeline-tokens
-  - name: configuration
-    value: Release
-
-pool: 'rhino-compute'
-
-steps:
-- powershell: |
-    Get-ChildItem *.msi -Recurse | Remove-Item
-    aws s3 cp s3://oasys-installer-store/GSA/latest . --exclude "*" --include *Arup*.msi --recursive
-    Get-ChildItem *.msi | Rename-Item -NewName gsa.msi
-  displayName: 'Download GSA latest'
-  failOnStderr: true
-
-- powershell: |
-    $installerPath = $(ls -r $(Pipeline.Workspace)\gsa.msi)
-    Write-output "Installer Path: ${installerPath}"
-    Write-output "GSA Version:"
-    if (!(Test-Path $installerPath.FullName)) {
-      Write-output "File '{0}' does not exist" -f $installerPath.FullName
-    }
-    try {
-      $WindowsInstaller = New-Object -com WindowsInstaller.Installer
-      $Database = $WindowsInstaller.GetType().InvokeMember("OpenDatabase", "InvokeMethod", $Null, $WindowsInstaller, @($installerPath.FullName, 0))
-      $Query = "SELECT Value FROM Property WHERE Property = 'ProductVersion'"
-      $View = $database.GetType().InvokeMember("OpenView", "InvokeMethod", $Null, $Database, ($Query))
-      $View.GetType().InvokeMember("Execute", "InvokeMethod", $Null, $View, $Null) | Out-Null
-      $Record = $View.GetType().InvokeMember( "Fetch", "InvokeMethod", $Null, $View, $Null )
-      $Version = $Record.GetType().InvokeMember( "StringData", "GetProperty", $Null, $Record, 1 )
-      Write-output $Version
-    } catch {
-      Write-output "Failed to get MSI file version: {0}." -f $_
-    }
-    $app = Start-Process ${installerPath} -ArgumentList '/passive /quiet /l* msiLog.txt' -PassThru -Wait
-    $app.WaitForExit()
-    Write-Output "Exit code: $($app.ExitCode)"
-    Write-Output "Exit time: $($app.ExitTime.ToUniversalTime().ToString('yyyy-MM-dd HH:mm:ss')) UTC"
-    if ($app.ExitCode -ne 0) {
-      Write-Error "Application could not be installed. Error code $($app.ExitCode)"
-      exit(1)
-    }
-  displayName: 'Install GSA'
-  failOnStderr: true
-
-- powershell: |
-    & 'C:\Program Files\Oasys\*\GSA.exe' /Register
-  displayName: 'Register GSA COM'
-  failOnStderr: false
-
-- powershell: |
-    ./cleanRegistry.ps1
-  displayName: 'Run Registry Cleaner'
-  failOnStderr: true
-
-- task: NuGetToolInstaller@1
-
-- task: NuGetCommand@2
-  displayName: 'Restoring NuGet packages'
-  inputs:
-      command: 'restore'
-      restoreSolution: 'GsaGH.sln'
-
-- task: VSBuild@1
-  displayName: 'Building project in $(configuration)'
-  inputs:
-    solution: 'GsaGH.sln'
-    msbuildArgs: '/p:AppxBundlePlatforms="x64" /p:AppxPackageDir="$(build.artifactStagingDirectory)\AppxPackages" /p:AppxBundle=Always /p:UapAppxPackageBuildMode=StoreUpload /m /nr:false /p:TreatWarningsAsErrors="true"'
-    platform: 'x64'
-    configuration: '$(configuration)'
-    clean: true
-  env:
-    MSBUILDDISABLENODEREUSE: 1
-
-- powershell: |
-    dotnet test --collect:"XPlat Code Coverage" /TestAdapterPath:$env:UserProfile\.nuget\packages\coverlet.collector\6.0.2\build --results-directory .\results\gsagh .\GsaGHTests\bin\x64\Release\net48\GsaGHTests.dll
-    dotnet test --collect:"XPlat Code Coverage" /TestAdapterPath:$env:UserProfile\.nuget\packages\coverlet.collector\6.0.2\build --results-directory .\results\integration  .\IntegrationTests\bin\x64\Release\net48\IntegrationTests.dll
-  displayName: dotnet tests
-  failOnStderr: true
-
-- powershell: |
-    if (200 -ne (Invoke-WebRequest -Uri https://codecov.io/validate -Body (Get-Content -Raw -LiteralPath .\codecov.yml) -Method post | Select-Object StatusCode).StatusCode) {
-      Write-Output "codecov.yml is invalid"
-      Invoke-WebRequest -Uri https://codecov.io/validate -Body (Get-Content -Raw -LiteralPath .\codecov.yml) -Method post
-      exit(1)
-    } else {
-      Write-Output "codecov.yml is valid"
-    }
-  displayName: Validate codecov.yml
-  failOnStderr: true
-
-- powershell: |
-    $coverage_file_gsagh = (Resolve-Path $(System.DefaultWorkingDirectory)/results/gsagh/*/coverage.cobertura.xml).Path
-    echo $coverage_file_gsagh
-    $coverage_file_integration = (Resolve-Path $(System.DefaultWorkingDirectory)/results/integration/*/coverage.cobertura.xml).Path
-    echo $coverage_file_integration
-    Copy-Item $coverage_file_gsagh $(System.DefaultWorkingDirectory)\results\coverage_gsagh.xml
-    Copy-Item $coverage_file_integration $(System.DefaultWorkingDirectory)\results\coverage_integration.xml
-    $ProgressPreference = 'SilentlyContinue'
-    Invoke-WebRequest -Uri https://uploader.codecov.io/latest/windows/codecov.exe -Outfile codecov.exe
-    ls $(System.DefaultWorkingDirectory)\
-    cd $(System.DefaultWorkingDirectory)\
-    .\codecov -t $env:CODECOV_TOKEN --dir $(System.DefaultWorkingDirectory)\results --file coverage_gsagh.xml -F gsagh
-    .\codecov -t $env:CODECOV_TOKEN --dir $(System.DefaultWorkingDirectory)\results --file coverage_integration.xml -F integration
-  env:
-    CODECOV_TOKEN: $(CODECOV_TOKEN)
-  displayName: Upload Code Coverage to codecovio
-  failOnStderr: true
-
-- task: PublishCodeCoverageResults@1
-  displayName: Create Azure GsaGH CodeCoverage
-  inputs:
-    codeCoverageTool: 'cobertura'
-    summaryFileLocation: '$(System.DefaultWorkingDirectory)/results/gsagh/**/coverage.cobertura.xml'
-    pathToSources: '$(System.DefaultWorkingDirectory)'
-  condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/main'))
-
-- task: PublishCodeCoverageResults@1
-  displayName: Create Azure IntegrationTest CodeCoverage
-  inputs:
-    codeCoverageTool: 'cobertura'
-    summaryFileLocation: '$(System.DefaultWorkingDirectory)/results/integration/**/coverage.cobertura.xml'
-    pathToSources: '$(System.DefaultWorkingDirectory)'
-  condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/main'))
-
-- publish: $(System.DefaultWorkingDirectory)\results\coverage_gsagh.xml
-  displayName: Publish GsaGHTest xml to Azure
-  artifact: GsaGHTestsCoverage
-  continueOnError: true
-
-- publish: $(System.DefaultWorkingDirectory)\results\coverage_integration.xml
-  displayName: Publish IntegrationTest xml to Azure
-  artifact: IntegrationTestsCoverage
-  continueOnError: true
-
-- task: PowerShell@2
-  displayName: Check for existing tags
-  inputs:
-    targetType: 'inline'
-    script: |
-        $versionInfo = $(Get-Item .\GsaGH\bin\x64\Release\net48\GsaGH.dll).VersionInfo
-        echo $versionInfo
-        $fullVersion = [array]${versionInfo}.FileVersion.split('.')
-        $currentTime = $(Get-Date -Format "dddd MM/dd/yyyy HH:mm")
-        $majorVersion = [string]$fullVersion[0]
-        $minorVersion = [string]$fullVersion[1]
-        $spVersion = [string]$fullVersion[2]
-        $buildNumber = [string]$fullVersion[3]
-
-        $tag = [array]@($exeName,$majorVersion,$minorVersion,$spVersion,$buildNumber)
-        $tagNumbersOnly = [array]@($majorVersion,$minorVersion,$spVersion,$buildNumber)
-
-        $dotSeparatedTag = $majorVersion + "." + $minorVersion + "." + $spVersion
-        $underscoreSeparatedTag = $majorVersion + "_" + $minorVersion + "_" + $spVersion + "_" + $buildNumber
-        $tagNumbersOnlyUnderscore = $majorVersion + "_" + $minorVersion + "_" + $spVersion + "_" + $buildNumber
-        $tagNumbersOnlydot = $majorVersion + "." + $minorVersion + "." + $spVersion + "." + $buildNumber
-
-        Write-Host ("##vso[task.setvariable variable=dotSeparatedTag]$dotSeparatedTag")
-        git rev-parse $dotSeparatedTag
-        if($lastExitCode -eq 0){Write-Host ("##vso[task.setvariable variable=TAG_EXISTS]true")}
-        if($lastExitCode -eq 0){
-          $tagExists = 'true'
-          echo $tagExists
-        }
-    errorActionPreference: 'continue'
-    workingDirectory: '$(System.DefaultWorkingDirectory)'
-    ignoreLASTEXITCODE: true
-
-- powershell: |
-    cd GsaGH\bin\x64\Release
-    curl https://files.mcneel.com/yak/tools/latest/yak.exe -o yak.exe
-    .\yak version
-    cd net48
-    ..\yak spec
-    Add-Content manifest.yml 'icon: GsaIcon.png'
-    Add-Content manifest.yml 'keywords:'
-    Add-Content manifest.yml '- oasys'
-    Add-Content manifest.yml '- gsa'
-    Add-Content manifest.yml '- gsagh'
-    Add-Content manifest.yml '- fe'
-    Add-Content manifest.yml '- fea'
-    Add-Content manifest.yml '- fem'
-    Add-Content manifest.yml '- structural'
-    Add-Content manifest.yml '- structuralanalysis'
-    ..\yak build --platform win
-    $yakCurrentVersName = Get-ChildItem -Path . -Filter "*.yak"
-    $yakRh7Name =  $yakCurrentVersName -Replace "rh6_27", "rh7_0"
-    Rename-Item -Path $yakCurrentVersName -NewName $yakRh7Name
-    ..\yak build --platform win
-  condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/main'), ne(variables.TAG_EXISTS, 'true'))
-  displayName: Package yak
-
-- powershell: |
-    cd GsaGH
-    & 'C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\MSBuild\Current\Bin\amd64\MSBuild.exe' GsaGH.csproj /t:pack /p:IncludeSymbols=true /p:SymbolPackageFormat=snupkg /p:DebugType=portable /property:Configuration=Debug
-  condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/main'), ne(variables.TAG_EXISTS, 'true'))
-  displayName: Package NuGet
-
-- powershell: |
-    .\DocsGeneration\bin\x64\Debug\net48\DocsGeneration.exe
-    Compress-Archive -Path .\Output -DestinationPath .\results\$(dotSeparatedTag)-docs.zip -Force
-  displayName: Generate docs site
-  failOnStderr: true
-
-- publish: $(System.DefaultWorkingDirectory)\results\$(dotSeparatedTag)-docs.zip
-  displayName: Publish Docs artifact
-  artifact: Docs
-  continueOnError: false
-
-- task: GitHubRelease@1
-  displayName: 'Publishing assets to Github'
-  inputs:
-    gitHubConnection: 'github.com_MJCramp'
-    repositoryName: 'arup-group/GSA-Grasshopper'
-    action: 'edit'
-    target: '$(Build.SourceVersion)'
-    tag: '$(dotSeparatedTag)'
-    title: 'GsaGH version $(dotSeparatedTag)'
-    releaseNotesSource: 'inline'
-    releaseNotesInline: |
-      Created from commit https://github.com/arup-group/GSA-Grasshopper/commit/$(Build.SourceVersion)
-    assets: |
-      $(System.DefaultWorkingDirectory)/**/*.yak
-      $(System.DefaultWorkingDirectory)/**/*.nupkg
-      $(System.DefaultWorkingDirectory)/**/*.snupkg
-      $(System.DefaultWorkingDirectory)/**/$(dotSeparatedTag)-docs.zip
-    assetUploadMode: 'replace'
-    isDraft: true
-    isPreRelease: false
-    addChangeLog: false
-  condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/main'), ne(variables.TAG_EXISTS, 'true'))
-
-- powershell: Remove-Item -Path C:\Users\**\AppData\Roaming\Grasshopper\Libraries\*.ghlink
-  displayName: 'Delete orphan .ghlink files'
-  condition: always()
-
-- powershell: |
-    $installerPath = $(ls -r $(Pipeline.Workspace)\gsa.msi)
-    Write-output "Installer Path: ${installerPath}"
-    $app = Start-Process "msiexec.exe" -ArgumentList "/x ${installerPath} /quiet /passive /norestart /l* msiUninstallLog.txt" -PassThru -Wait
-    $app.WaitForExit()
-    Write-Output "Exit code: $($app.ExitCode)"
-    Write-Output "Exit time: $($app.ExitTime.ToUniversalTime().ToString('yyyy-MM-dd HH:mm:ss')) UTC"
-    ### Success error codes: 0 = ERROR_SUCCESS, 1641 = ERROR_SUCCESS_REBOOT_INITIATED, 3010 = ERROR_SUCCESS_REBOOT_REQUIRED
-    ### See https://docs.microsoft.com/en-us/windows/win32/msi/error-codes
-    if (($app.ExitCode -eq 0) -or ($app.ExitCode -eq 1641) -or ($app.ExitCode -eq 3010)) {
-      Write-Output "Application successfully uninstalled with exit code $($app.ExitCode)"
-      rm $installerPath
-      exit(0)
-    } else {
-      Write-Error "Application could not be uninstalled. Error code $($app.ExitCode)"
-      exit(1)
-    }
-  condition: always()
-  displayName: 'Uninstall Application'
+# # https://aka.ms/yaml
+#
+# trigger:
+#   branches:
+#     exclude:
+#       - 'task/GSAGH-555-new-pipeline'
+#
+# variables:
+#   - group: s3PushInstallers
+#   - group: pipeline-tokens
+#   - name: configuration
+#     value: Release
+#
+# pool: 'rhino-compute'
+#
+# steps:
+# - powershell: |
+#     Get-ChildItem *.msi -Recurse | Remove-Item
+#     aws s3 cp s3://oasys-installer-store/GSA/latest . --exclude "*" --include *Arup*.msi --recursive
+#     Get-ChildItem *.msi | Rename-Item -NewName gsa.msi
+#   displayName: 'Download GSA latest'
+#   failOnStderr: true
+#
+# - powershell: |
+#     $installerPath = $(ls -r $(Pipeline.Workspace)\gsa.msi)
+#     Write-output "Installer Path: ${installerPath}"
+#     Write-output "GSA Version:"
+#     if (!(Test-Path $installerPath.FullName)) {
+#       Write-output "File '{0}' does not exist" -f $installerPath.FullName
+#     }
+#     try {
+#       $WindowsInstaller = New-Object -com WindowsInstaller.Installer
+#       $Database = $WindowsInstaller.GetType().InvokeMember("OpenDatabase", "InvokeMethod", $Null, $WindowsInstaller, @($installerPath.FullName, 0))
+#       $Query = "SELECT Value FROM Property WHERE Property = 'ProductVersion'"
+#       $View = $database.GetType().InvokeMember("OpenView", "InvokeMethod", $Null, $Database, ($Query))
+#       $View.GetType().InvokeMember("Execute", "InvokeMethod", $Null, $View, $Null) | Out-Null
+#       $Record = $View.GetType().InvokeMember( "Fetch", "InvokeMethod", $Null, $View, $Null )
+#       $Version = $Record.GetType().InvokeMember( "StringData", "GetProperty", $Null, $Record, 1 )
+#       Write-output $Version
+#     } catch {
+#       Write-output "Failed to get MSI file version: {0}." -f $_
+#     }
+#     $app = Start-Process ${installerPath} -ArgumentList '/passive /quiet /l* msiLog.txt' -PassThru -Wait
+#     $app.WaitForExit()
+#     Write-Output "Exit code: $($app.ExitCode)"
+#     Write-Output "Exit time: $($app.ExitTime.ToUniversalTime().ToString('yyyy-MM-dd HH:mm:ss')) UTC"
+#     if ($app.ExitCode -ne 0) {
+#       Write-Error "Application could not be installed. Error code $($app.ExitCode)"
+#       exit(1)
+#     }
+#   displayName: 'Install GSA'
+#   failOnStderr: true
+#
+# - powershell: |
+#     & 'C:\Program Files\Oasys\*\GSA.exe' /Register
+#   displayName: 'Register GSA COM'
+#   failOnStderr: false
+#
+# - powershell: |
+#     ./cleanRegistry.ps1
+#   displayName: 'Run Registry Cleaner'
+#   failOnStderr: true
+#
+# - task: NuGetToolInstaller@1
+#
+# - task: NuGetCommand@2
+#   displayName: 'Restoring NuGet packages'
+#   inputs:
+#       command: 'restore'
+#       restoreSolution: 'GsaGH.sln'
+#
+# - task: VSBuild@1
+#   displayName: 'Building project in $(configuration)'
+#   inputs:
+#     solution: 'GsaGH.sln'
+#     msbuildArgs: '/p:AppxBundlePlatforms="x64" /p:AppxPackageDir="$(build.artifactStagingDirectory)\AppxPackages" /p:AppxBundle=Always /p:UapAppxPackageBuildMode=StoreUpload /m /nr:false /p:TreatWarningsAsErrors="true"'
+#     platform: 'x64'
+#     configuration: '$(configuration)'
+#     clean: true
+#   env:
+#     MSBUILDDISABLENODEREUSE: 1
+#
+# - powershell: |
+#     dotnet test --collect:"XPlat Code Coverage" /TestAdapterPath:$env:UserProfile\.nuget\packages\coverlet.collector\6.0.2\build --results-directory .\results\gsagh .\GsaGHTests\bin\x64\Release\net48\GsaGHTests.dll
+#     dotnet test --collect:"XPlat Code Coverage" /TestAdapterPath:$env:UserProfile\.nuget\packages\coverlet.collector\6.0.2\build --results-directory .\results\integration  .\IntegrationTests\bin\x64\Release\net48\IntegrationTests.dll
+#   displayName: dotnet tests
+#   failOnStderr: true
+#
+# - powershell: |
+#     if (200 -ne (Invoke-WebRequest -Uri https://codecov.io/validate -Body (Get-Content -Raw -LiteralPath .\codecov.yml) -Method post | Select-Object StatusCode).StatusCode) {
+#       Write-Output "codecov.yml is invalid"
+#       Invoke-WebRequest -Uri https://codecov.io/validate -Body (Get-Content -Raw -LiteralPath .\codecov.yml) -Method post
+#       exit(1)
+#     } else {
+#       Write-Output "codecov.yml is valid"
+#     }
+#   displayName: Validate codecov.yml
+#   failOnStderr: true
+#
+# - powershell: |
+#     $coverage_file_gsagh = (Resolve-Path $(System.DefaultWorkingDirectory)/results/gsagh/*/coverage.cobertura.xml).Path
+#     echo $coverage_file_gsagh
+#     $coverage_file_integration = (Resolve-Path $(System.DefaultWorkingDirectory)/results/integration/*/coverage.cobertura.xml).Path
+#     echo $coverage_file_integration
+#     Copy-Item $coverage_file_gsagh $(System.DefaultWorkingDirectory)\results\coverage_gsagh.xml
+#     Copy-Item $coverage_file_integration $(System.DefaultWorkingDirectory)\results\coverage_integration.xml
+#     $ProgressPreference = 'SilentlyContinue'
+#     Invoke-WebRequest -Uri https://uploader.codecov.io/latest/windows/codecov.exe -Outfile codecov.exe
+#     ls $(System.DefaultWorkingDirectory)\
+#     cd $(System.DefaultWorkingDirectory)\
+#     .\codecov -t $env:CODECOV_TOKEN --dir $(System.DefaultWorkingDirectory)\results --file coverage_gsagh.xml -F gsagh
+#     .\codecov -t $env:CODECOV_TOKEN --dir $(System.DefaultWorkingDirectory)\results --file coverage_integration.xml -F integration
+#   env:
+#     CODECOV_TOKEN: $(CODECOV_TOKEN)
+#   displayName: Upload Code Coverage to codecovio
+#   failOnStderr: true
+#
+# - task: PublishCodeCoverageResults@1
+#   displayName: Create Azure GsaGH CodeCoverage
+#   inputs:
+#     codeCoverageTool: 'cobertura'
+#     summaryFileLocation: '$(System.DefaultWorkingDirectory)/results/gsagh/**/coverage.cobertura.xml'
+#     pathToSources: '$(System.DefaultWorkingDirectory)'
+#   condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/main'))
+#
+# - task: PublishCodeCoverageResults@1
+#   displayName: Create Azure IntegrationTest CodeCoverage
+#   inputs:
+#     codeCoverageTool: 'cobertura'
+#     summaryFileLocation: '$(System.DefaultWorkingDirectory)/results/integration/**/coverage.cobertura.xml'
+#     pathToSources: '$(System.DefaultWorkingDirectory)'
+#   condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/main'))
+#
+# - publish: $(System.DefaultWorkingDirectory)\results\coverage_gsagh.xml
+#   displayName: Publish GsaGHTest xml to Azure
+#   artifact: GsaGHTestsCoverage
+#   continueOnError: true
+#
+# - publish: $(System.DefaultWorkingDirectory)\results\coverage_integration.xml
+#   displayName: Publish IntegrationTest xml to Azure
+#   artifact: IntegrationTestsCoverage
+#   continueOnError: true
+#
+# - task: PowerShell@2
+#   displayName: Check for existing tags
+#   inputs:
+#     targetType: 'inline'
+#     script: |
+#         $versionInfo = $(Get-Item .\GsaGH\bin\x64\Release\net48\GsaGH.dll).VersionInfo
+#         echo $versionInfo
+#         $fullVersion = [array]${versionInfo}.FileVersion.split('.')
+#         $currentTime = $(Get-Date -Format "dddd MM/dd/yyyy HH:mm")
+#         $majorVersion = [string]$fullVersion[0]
+#         $minorVersion = [string]$fullVersion[1]
+#         $spVersion = [string]$fullVersion[2]
+#         $buildNumber = [string]$fullVersion[3]
+#
+#         $tag = [array]@($exeName,$majorVersion,$minorVersion,$spVersion,$buildNumber)
+#         $tagNumbersOnly = [array]@($majorVersion,$minorVersion,$spVersion,$buildNumber)
+#
+#         $dotSeparatedTag = $majorVersion + "." + $minorVersion + "." + $spVersion
+#         $underscoreSeparatedTag = $majorVersion + "_" + $minorVersion + "_" + $spVersion + "_" + $buildNumber
+#         $tagNumbersOnlyUnderscore = $majorVersion + "_" + $minorVersion + "_" + $spVersion + "_" + $buildNumber
+#         $tagNumbersOnlydot = $majorVersion + "." + $minorVersion + "." + $spVersion + "." + $buildNumber
+#
+#         Write-Host ("##vso[task.setvariable variable=dotSeparatedTag]$dotSeparatedTag")
+#         git rev-parse $dotSeparatedTag
+#         if($lastExitCode -eq 0){Write-Host ("##vso[task.setvariable variable=TAG_EXISTS]true")}
+#         if($lastExitCode -eq 0){
+#           $tagExists = 'true'
+#           echo $tagExists
+#         }
+#     errorActionPreference: 'continue'
+#     workingDirectory: '$(System.DefaultWorkingDirectory)'
+#     ignoreLASTEXITCODE: true
+#
+# - powershell: |
+#     cd GsaGH\bin\x64\Release
+#     curl https://files.mcneel.com/yak/tools/latest/yak.exe -o yak.exe
+#     .\yak version
+#     cd net48
+#     ..\yak spec
+#     Add-Content manifest.yml 'icon: GsaIcon.png'
+#     Add-Content manifest.yml 'keywords:'
+#     Add-Content manifest.yml '- oasys'
+#     Add-Content manifest.yml '- gsa'
+#     Add-Content manifest.yml '- gsagh'
+#     Add-Content manifest.yml '- fe'
+#     Add-Content manifest.yml '- fea'
+#     Add-Content manifest.yml '- fem'
+#     Add-Content manifest.yml '- structural'
+#     Add-Content manifest.yml '- structuralanalysis'
+#     ..\yak build --platform win
+#     $yakCurrentVersName = Get-ChildItem -Path . -Filter "*.yak"
+#     $yakRh7Name =  $yakCurrentVersName -Replace "rh6_27", "rh7_0"
+#     Rename-Item -Path $yakCurrentVersName -NewName $yakRh7Name
+#     ..\yak build --platform win
+#   condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/main'), ne(variables.TAG_EXISTS, 'true'))
+#   displayName: Package yak
+#
+# - powershell: |
+#     cd GsaGH
+#     & 'C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools\MSBuild\Current\Bin\amd64\MSBuild.exe' GsaGH.csproj /t:pack /p:IncludeSymbols=true /p:SymbolPackageFormat=snupkg /p:DebugType=portable /property:Configuration=Debug
+#   condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/main'), ne(variables.TAG_EXISTS, 'true'))
+#   displayName: Package NuGet
+#
+# - powershell: |
+#     .\DocsGeneration\bin\x64\Debug\net48\DocsGeneration.exe
+#     Compress-Archive -Path .\Output -DestinationPath .\results\$(dotSeparatedTag)-docs.zip -Force
+#   displayName: Generate docs site
+#   failOnStderr: true
+#
+# - publish: $(System.DefaultWorkingDirectory)\results\$(dotSeparatedTag)-docs.zip
+#   displayName: Publish Docs artifact
+#   artifact: Docs
+#   continueOnError: false
+#
+# - task: GitHubRelease@1
+#   displayName: 'Publishing assets to Github'
+#   inputs:
+#     gitHubConnection: 'github.com_MJCramp'
+#     repositoryName: 'arup-group/GSA-Grasshopper'
+#     action: 'edit'
+#     target: '$(Build.SourceVersion)'
+#     tag: '$(dotSeparatedTag)'
+#     title: 'GsaGH version $(dotSeparatedTag)'
+#     releaseNotesSource: 'inline'
+#     releaseNotesInline: |
+#       Created from commit https://github.com/arup-group/GSA-Grasshopper/commit/$(Build.SourceVersion)
+#     assets: |
+#       $(System.DefaultWorkingDirectory)/**/*.yak
+#       $(System.DefaultWorkingDirectory)/**/*.nupkg
+#       $(System.DefaultWorkingDirectory)/**/*.snupkg
+#       $(System.DefaultWorkingDirectory)/**/$(dotSeparatedTag)-docs.zip
+#     assetUploadMode: 'replace'
+#     isDraft: true
+#     isPreRelease: false
+#     addChangeLog: false
+#   condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/main'), ne(variables.TAG_EXISTS, 'true'))
+#
+# - powershell: Remove-Item -Path C:\Users\**\AppData\Roaming\Grasshopper\Libraries\*.ghlink
+#   displayName: 'Delete orphan .ghlink files'
+#   condition: always()
+#
+# - powershell: |
+#     $installerPath = $(ls -r $(Pipeline.Workspace)\gsa.msi)
+#     Write-output "Installer Path: ${installerPath}"
+#     $app = Start-Process "msiexec.exe" -ArgumentList "/x ${installerPath} /quiet /passive /norestart /l* msiUninstallLog.txt" -PassThru -Wait
+#     $app.WaitForExit()
+#     Write-Output "Exit code: $($app.ExitCode)"
+#     Write-Output "Exit time: $($app.ExitTime.ToUniversalTime().ToString('yyyy-MM-dd HH:mm:ss')) UTC"
+#     ### Success error codes: 0 = ERROR_SUCCESS, 1641 = ERROR_SUCCESS_REBOOT_INITIATED, 3010 = ERROR_SUCCESS_REBOOT_REQUIRED
+#     ### See https://docs.microsoft.com/en-us/windows/win32/msi/error-codes
+#     if (($app.ExitCode -eq 0) -or ($app.ExitCode -eq 1641) -or ($app.ExitCode -eq 3010)) {
+#       Write-Output "Application successfully uninstalled with exit code $($app.ExitCode)"
+#       rm $installerPath
+#       exit(0)
+#     } else {
+#       Write-Error "Application could not be uninstalled. Error code $($app.ExitCode)"
+#       exit(1)
+#     }
+#   condition: always()
+#   displayName: 'Uninstall Application'
diff --git a/build-test-nightly.yml b/build-test-nightly.yml
index bb7758867..3f494fc7b 100644
--- a/build-test-nightly.yml
+++ b/build-test-nightly.yml
@@ -1,181 +1,181 @@
 # https://aka.ms/yaml
 
-trigger:
-  branches:
-    include:
-    - release/*
-
-variables:
-  - group: s3PushInstallers
-  - group: pipeline-tokens
-  - name: configuration
-    value: Release
-
-pool: 'rhino-compute'
-
-steps:
-- powershell: |
-    Get-ChildItem *.msi -Recurse | Remove-Item
-    aws s3 cp s3://oasys-installer-store/GSA/nightly . --exclude "*" --include *Arup*.msi --recursive
-    Get-ChildItem *.msi | Rename-Item -NewName gsa.msi
-  displayName: 'Download GSA nightly'
-  failOnStderr: true
-
-- powershell: |
-    $installerPath = $(ls -r $(Pipeline.Workspace)\gsa.msi)
-    Write-output "Installer Path: ${installerPath}"
-    Write-output "GSA Version:"
-    if (!(Test-Path $installerPath.FullName)) {
-      Write-output "File '{0}' does not exist" -f $installerPath.FullName
-    }
-    try {
-      $WindowsInstaller = New-Object -com WindowsInstaller.Installer
-      $Database = $WindowsInstaller.GetType().InvokeMember("OpenDatabase", "InvokeMethod", $Null, $WindowsInstaller, @($installerPath.FullName, 0))
-      $Query = "SELECT Value FROM Property WHERE Property = 'ProductVersion'"
-      $View = $database.GetType().InvokeMember("OpenView", "InvokeMethod", $Null, $Database, ($Query))
-      $View.GetType().InvokeMember("Execute", "InvokeMethod", $Null, $View, $Null) | Out-Null
-      $Record = $View.GetType().InvokeMember( "Fetch", "InvokeMethod", $Null, $View, $Null )
-      $Version = $Record.GetType().InvokeMember( "StringData", "GetProperty", $Null, $Record, 1 )
-      Write-output $Version
-    } catch {
-      Write-output "Failed to get MSI file version: {0}." -f $_
-    }
-    $app = Start-Process ${installerPath} -ArgumentList '/passive /quiet /l* msiLog.txt' -PassThru -Wait
-    $app.WaitForExit()
-    Write-Output "Exit code: $($app.ExitCode)"
-    Write-Output "Exit time: $($app.ExitTime.ToUniversalTime().ToString('yyyy-MM-dd HH:mm:ss')) UTC"
-    if ($app.ExitCode -ne 0) {
-      Write-Error "Application could not be installed. Error code $($app.ExitCode)"
-      exit(1)
-    }
-  displayName: 'Install GSA'
-  failOnStderr: true
-
-- powershell: |
-    & 'C:\Program Files\Oasys\*\GSA.exe' /Register
-  displayName: 'Register GSA COM'
-  failOnStderr: false
-
-- powershell: |
-    ./cleanRegistry.ps1
-  displayName: 'Run Registry Cleaner'
-  failOnStderr: true
-
-- task: NuGetToolInstaller@1
-
-- task: NuGetCommand@2
-  displayName: 'Restoring NuGet packages'
-  inputs:
-      command: 'restore'
-      restoreSolution: 'GsaGH.sln'
-
-- task: VSBuild@1
-  displayName: 'Building project in $(configuration)'
-  inputs:
-    solution: 'GsaGH.sln'
-    msbuildArgs: '/p:AppxBundlePlatforms="x64" /p:AppxPackageDir="$(build.artifactStagingDirectory)\AppxPackages" /p:AppxBundle=Always /p:UapAppxPackageBuildMode=StoreUpload /m /nr:false /p:TreatWarningsAsErrors="true"'
-    platform: 'x64'
-    configuration: '$(configuration)'
-    clean: true
-  env:
-    MSBUILDDISABLENODEREUSE: 1
-
-- powershell: |
-    dotnet test --collect:"XPlat Code Coverage" /TestAdapterPath:$env:UserProfile\.nuget\packages\coverlet.collector\6.0.2\build --results-directory .\results\gsagh .\GsaGHTests\bin\x64\Release\net48\GsaGHTests.dll
-    dotnet test --collect:"XPlat Code Coverage" /TestAdapterPath:$env:UserProfile\.nuget\packages\coverlet.collector\6.0.2\build --results-directory .\results\integration  .\IntegrationTests\bin\x64\Release\net48\IntegrationTests.dll
-  displayName: dotnet tests
-  failOnStderr: true
-
-- powershell: |
-    if (200 -ne (Invoke-WebRequest -Uri https://codecov.io/validate -Body (Get-Content -Raw -LiteralPath .\codecov.yml) -Method post | Select-Object StatusCode).StatusCode) {
-      Write-Output "codecov.yml is invalid"
-      Invoke-WebRequest -Uri https://codecov.io/validate -Body (Get-Content -Raw -LiteralPath .\codecov.yml) -Method post
-      exit(1)
-    } else {
-      Write-Output "codecov.yml is valid"
-    }
-  displayName: Validate codecov.yml
-  failOnStderr: true
-
-- powershell: |
-    $coverage_file_gsagh = (Resolve-Path $(System.DefaultWorkingDirectory)/results/gsagh/*/coverage.cobertura.xml).Path
-    echo $coverage_file_gsagh
-    $coverage_file_integration = (Resolve-Path $(System.DefaultWorkingDirectory)/results/integration/*/coverage.cobertura.xml).Path
-    echo $coverage_file_integration
-    Copy-Item $coverage_file_gsagh $(System.DefaultWorkingDirectory)\results\coverage_gsagh.xml
-    Copy-Item $coverage_file_integration $(System.DefaultWorkingDirectory)\results\coverage_integration.xml
-    $ProgressPreference = 'SilentlyContinue'
-    Invoke-WebRequest -Uri https://uploader.codecov.io/latest/windows/codecov.exe -Outfile codecov.exe
-    ls $(System.DefaultWorkingDirectory)\
-    cd $(System.DefaultWorkingDirectory)\
-    .\codecov -t $env:CODECOV_TOKEN --dir $(System.DefaultWorkingDirectory)\results --file coverage_gsagh.xml -F gsagh
-    .\codecov -t $env:CODECOV_TOKEN --dir $(System.DefaultWorkingDirectory)\results --file coverage_integration.xml -F integration
-  env:
-    CODECOV_TOKEN: $(CODECOV_TOKEN)
-  displayName: Upload Code Coverage to codecovio
-  failOnStderr: true
-
-- publish: $(System.DefaultWorkingDirectory)\results\coverage_gsagh.xml
-  displayName: Publish GsaGHTest xml to Azure
-  artifact: GsaGHTestsCoverage
-  continueOnError: true
-
-- publish: $(System.DefaultWorkingDirectory)\results\coverage_integration.xml
-  displayName: Publish IntegrationTest xml to Azure
-  artifact: IntegrationTestsCoverage
-  continueOnError: true
-
-- powershell: |
-    cd GsaGH\bin\x64\Release
-    curl https://files.mcneel.com/yak/tools/latest/yak.exe -o yak.exe
-    .\yak version
-    cd net48
-    ..\yak spec
-    Add-Content manifest.yml 'icon: GsaIcon.png'
-    Add-Content manifest.yml 'keywords:'
-    Add-Content manifest.yml '- oasys'
-    Add-Content manifest.yml '- gsa'
-    Add-Content manifest.yml '- gsagh'
-    Add-Content manifest.yml '- fe'
-    Add-Content manifest.yml '- fea'
-    Add-Content manifest.yml '- fem'
-    Add-Content manifest.yml '- structural'
-    Add-Content manifest.yml '- structuralanalysis'
-    ..\yak build --platform win
-    $yakCurrentVersName = Get-ChildItem -Path . -Filter "*.yak"
-    $yakRh7Name =  $yakCurrentVersName -Replace "rh6_27", "rh7_0"
-    Rename-Item -Path $yakCurrentVersName -NewName $yakRh7Name
-    ..\yak build --platform win
-    New-Item -ItemType Directory -Path $(System.DefaultWorkingDirectory)\results\yak
-    Copy-Item $yakCurrentVersName $(System.DefaultWorkingDirectory)\results\yak\$yakCurrentVersName
-    Copy-Item $yakRh7Name $(System.DefaultWorkingDirectory)\results\yak\$yakRh7Name
-  displayName: Package yak
-
-- publish: $(System.DefaultWorkingDirectory)\results\yak\
-  displayName: Publish Yak Package to Azure
-  artifact: Yak Package
-  continueOnError: false
-
-- powershell: Remove-Item -Path C:\Users\**\AppData\Roaming\Grasshopper\Libraries\*.ghlink
-  displayName: 'Delete orphan .ghlink files'
-  condition: always()
-
-- powershell: |
-    $installerPath = $(ls -r $(Pipeline.Workspace)\gsa.msi)
-    Write-output "Installer Path: ${installerPath}"
-    $app = Start-Process "msiexec.exe" -ArgumentList "/x ${installerPath} /quiet /passive /norestart /l* msiUninstallLog.txt" -PassThru -Wait
-    $app.WaitForExit()
-    Write-Output "Exit code: $($app.ExitCode)"
-    Write-Output "Exit time: $($app.ExitTime.ToUniversalTime().ToString('yyyy-MM-dd HH:mm:ss')) UTC"
-    ### Success error codes: 0 = ERROR_SUCCESS, 1641 = ERROR_SUCCESS_REBOOT_INITIATED, 3010 = ERROR_SUCCESS_REBOOT_REQUIRED
-    ### See https://docs.microsoft.com/en-us/windows/win32/msi/error-codes
-    if (($app.ExitCode -eq 0) -or ($app.ExitCode -eq 1641) -or ($app.ExitCode -eq 3010)) {
-      Write-Output "Application successfully uninstalled with exit code $($app.ExitCode)"
-      rm $installerPath
-      exit(0)
-    } else {
-      Write-Error "Application could not be uninstalled. Error code $($app.ExitCode)"
-      exit(1)
-    }
-  condition: always()
-  displayName: 'Uninstall Application'
+# trigger:
+#   branches:
+#     exclude:
+#       - 'task/GSAGH-555-new-pipeline'
+#
+# variables:
+#   - group: s3PushInstallers
+#   - group: pipeline-tokens
+#   - name: configuration
+#     value: Release
+#
+# pool: 'rhino-compute'
+#
+# steps:
+# - powershell: |
+#     Get-ChildItem *.msi -Recurse | Remove-Item
+#     aws s3 cp s3://oasys-installer-store/GSA/nightly . --exclude "*" --include *Arup*.msi --recursive
+#     Get-ChildItem *.msi | Rename-Item -NewName gsa.msi
+#   displayName: 'Download GSA nightly'
+#   failOnStderr: true
+#
+# - powershell: |
+#     $installerPath = $(ls -r $(Pipeline.Workspace)\gsa.msi)
+#     Write-output "Installer Path: ${installerPath}"
+#     Write-output "GSA Version:"
+#     if (!(Test-Path $installerPath.FullName)) {
+#       Write-output "File '{0}' does not exist" -f $installerPath.FullName
+#     }
+#     try {
+#       $WindowsInstaller = New-Object -com WindowsInstaller.Installer
+#       $Database = $WindowsInstaller.GetType().InvokeMember("OpenDatabase", "InvokeMethod", $Null, $WindowsInstaller, @($installerPath.FullName, 0))
+#       $Query = "SELECT Value FROM Property WHERE Property = 'ProductVersion'"
+#       $View = $database.GetType().InvokeMember("OpenView", "InvokeMethod", $Null, $Database, ($Query))
+#       $View.GetType().InvokeMember("Execute", "InvokeMethod", $Null, $View, $Null) | Out-Null
+#       $Record = $View.GetType().InvokeMember( "Fetch", "InvokeMethod", $Null, $View, $Null )
+#       $Version = $Record.GetType().InvokeMember( "StringData", "GetProperty", $Null, $Record, 1 )
+#       Write-output $Version
+#     } catch {
+#       Write-output "Failed to get MSI file version: {0}." -f $_
+#     }
+#     $app = Start-Process ${installerPath} -ArgumentList '/passive /quiet /l* msiLog.txt' -PassThru -Wait
+#     $app.WaitForExit()
+#     Write-Output "Exit code: $($app.ExitCode)"
+#     Write-Output "Exit time: $($app.ExitTime.ToUniversalTime().ToString('yyyy-MM-dd HH:mm:ss')) UTC"
+#     if ($app.ExitCode -ne 0) {
+#       Write-Error "Application could not be installed. Error code $($app.ExitCode)"
+#       exit(1)
+#     }
+#   displayName: 'Install GSA'
+#   failOnStderr: true
+#
+# - powershell: |
+#     & 'C:\Program Files\Oasys\*\GSA.exe' /Register
+#   displayName: 'Register GSA COM'
+#   failOnStderr: false
+#
+# - powershell: |
+#     ./cleanRegistry.ps1
+#   displayName: 'Run Registry Cleaner'
+#   failOnStderr: true
+#
+# - task: NuGetToolInstaller@1
+#
+# - task: NuGetCommand@2
+#   displayName: 'Restoring NuGet packages'
+#   inputs:
+#       command: 'restore'
+#       restoreSolution: 'GsaGH.sln'
+#
+# - task: VSBuild@1
+#   displayName: 'Building project in $(configuration)'
+#   inputs:
+#     solution: 'GsaGH.sln'
+#     msbuildArgs: '/p:AppxBundlePlatforms="x64" /p:AppxPackageDir="$(build.artifactStagingDirectory)\AppxPackages" /p:AppxBundle=Always /p:UapAppxPackageBuildMode=StoreUpload /m /nr:false /p:TreatWarningsAsErrors="true"'
+#     platform: 'x64'
+#     configuration: '$(configuration)'
+#     clean: true
+#   env:
+#     MSBUILDDISABLENODEREUSE: 1
+#
+# - powershell: |
+#     dotnet test --collect:"XPlat Code Coverage" /TestAdapterPath:$env:UserProfile\.nuget\packages\coverlet.collector\6.0.2\build --results-directory .\results\gsagh .\GsaGHTests\bin\x64\Release\net48\GsaGHTests.dll
+#     dotnet test --collect:"XPlat Code Coverage" /TestAdapterPath:$env:UserProfile\.nuget\packages\coverlet.collector\6.0.2\build --results-directory .\results\integration  .\IntegrationTests\bin\x64\Release\net48\IntegrationTests.dll
+#   displayName: dotnet tests
+#   failOnStderr: true
+#
+# - powershell: |
+#     if (200 -ne (Invoke-WebRequest -Uri https://codecov.io/validate -Body (Get-Content -Raw -LiteralPath .\codecov.yml) -Method post | Select-Object StatusCode).StatusCode) {
+#       Write-Output "codecov.yml is invalid"
+#       Invoke-WebRequest -Uri https://codecov.io/validate -Body (Get-Content -Raw -LiteralPath .\codecov.yml) -Method post
+#       exit(1)
+#     } else {
+#       Write-Output "codecov.yml is valid"
+#     }
+#   displayName: Validate codecov.yml
+#   failOnStderr: true
+#
+# - powershell: |
+#     $coverage_file_gsagh = (Resolve-Path $(System.DefaultWorkingDirectory)/results/gsagh/*/coverage.cobertura.xml).Path
+#     echo $coverage_file_gsagh
+#     $coverage_file_integration = (Resolve-Path $(System.DefaultWorkingDirectory)/results/integration/*/coverage.cobertura.xml).Path
+#     echo $coverage_file_integration
+#     Copy-Item $coverage_file_gsagh $(System.DefaultWorkingDirectory)\results\coverage_gsagh.xml
+#     Copy-Item $coverage_file_integration $(System.DefaultWorkingDirectory)\results\coverage_integration.xml
+#     $ProgressPreference = 'SilentlyContinue'
+#     Invoke-WebRequest -Uri https://uploader.codecov.io/latest/windows/codecov.exe -Outfile codecov.exe
+#     ls $(System.DefaultWorkingDirectory)\
+#     cd $(System.DefaultWorkingDirectory)\
+#     .\codecov -t $env:CODECOV_TOKEN --dir $(System.DefaultWorkingDirectory)\results --file coverage_gsagh.xml -F gsagh
+#     .\codecov -t $env:CODECOV_TOKEN --dir $(System.DefaultWorkingDirectory)\results --file coverage_integration.xml -F integration
+#   env:
+#     CODECOV_TOKEN: $(CODECOV_TOKEN)
+#   displayName: Upload Code Coverage to codecovio
+#   failOnStderr: true
+#
+# - publish: $(System.DefaultWorkingDirectory)\results\coverage_gsagh.xml
+#   displayName: Publish GsaGHTest xml to Azure
+#   artifact: GsaGHTestsCoverage
+#   continueOnError: true
+#
+# - publish: $(System.DefaultWorkingDirectory)\results\coverage_integration.xml
+#   displayName: Publish IntegrationTest xml to Azure
+#   artifact: IntegrationTestsCoverage
+#   continueOnError: true
+#
+# - powershell: |
+#     cd GsaGH\bin\x64\Release
+#     curl https://files.mcneel.com/yak/tools/latest/yak.exe -o yak.exe
+#     .\yak version
+#     cd net48
+#     ..\yak spec
+#     Add-Content manifest.yml 'icon: GsaIcon.png'
+#     Add-Content manifest.yml 'keywords:'
+#     Add-Content manifest.yml '- oasys'
+#     Add-Content manifest.yml '- gsa'
+#     Add-Content manifest.yml '- gsagh'
+#     Add-Content manifest.yml '- fe'
+#     Add-Content manifest.yml '- fea'
+#     Add-Content manifest.yml '- fem'
+#     Add-Content manifest.yml '- structural'
+#     Add-Content manifest.yml '- structuralanalysis'
+#     ..\yak build --platform win
+#     $yakCurrentVersName = Get-ChildItem -Path . -Filter "*.yak"
+#     $yakRh7Name =  $yakCurrentVersName -Replace "rh6_27", "rh7_0"
+#     Rename-Item -Path $yakCurrentVersName -NewName $yakRh7Name
+#     ..\yak build --platform win
+#     New-Item -ItemType Directory -Path $(System.DefaultWorkingDirectory)\results\yak
+#     Copy-Item $yakCurrentVersName $(System.DefaultWorkingDirectory)\results\yak\$yakCurrentVersName
+#     Copy-Item $yakRh7Name $(System.DefaultWorkingDirectory)\results\yak\$yakRh7Name
+#   displayName: Package yak
+#
+# - publish: $(System.DefaultWorkingDirectory)\results\yak\
+#   displayName: Publish Yak Package to Azure
+#   artifact: Yak Package
+#   continueOnError: false
+#
+# - powershell: Remove-Item -Path C:\Users\**\AppData\Roaming\Grasshopper\Libraries\*.ghlink
+#   displayName: 'Delete orphan .ghlink files'
+#   condition: always()
+#
+# - powershell: |
+#     $installerPath = $(ls -r $(Pipeline.Workspace)\gsa.msi)
+#     Write-output "Installer Path: ${installerPath}"
+#     $app = Start-Process "msiexec.exe" -ArgumentList "/x ${installerPath} /quiet /passive /norestart /l* msiUninstallLog.txt" -PassThru -Wait
+#     $app.WaitForExit()
+#     Write-Output "Exit code: $($app.ExitCode)"
+#     Write-Output "Exit time: $($app.ExitTime.ToUniversalTime().ToString('yyyy-MM-dd HH:mm:ss')) UTC"
+#     ### Success error codes: 0 = ERROR_SUCCESS, 1641 = ERROR_SUCCESS_REBOOT_INITIATED, 3010 = ERROR_SUCCESS_REBOOT_REQUIRED
+#     ### See https://docs.microsoft.com/en-us/windows/win32/msi/error-codes
+#     if (($app.ExitCode -eq 0) -or ($app.ExitCode -eq 1641) -or ($app.ExitCode -eq 3010)) {
+#       Write-Output "Application successfully uninstalled with exit code $($app.ExitCode)"
+#       rm $installerPath
+#       exit(0)
+#     } else {
+#       Write-Error "Application could not be uninstalled. Error code $($app.ExitCode)"
+#       exit(1)
+#     }
+#   condition: always()
+#   displayName: 'Uninstall Application'
diff --git a/dotnet-tests-with-coverage.yml b/dotnet-tests-with-coverage.yml
new file mode 100644
index 000000000..0a5348bd1
--- /dev/null
+++ b/dotnet-tests-with-coverage.yml
@@ -0,0 +1,59 @@
+parameters:
+  - name: dllName
+    type: string
+    default: 'GsaGHTests'
+  - name: configuration
+    type: string
+    default: Release
+
+steps:
+  - powershell: |
+      $name = "${{ parameters.dllName }}"
+    displayName: 'Simplify name'
+  - powershell: |
+      $dllFile = (ls -r "$(System.DefaultWorkingDirectory)\${{ parameters.dllName }}\bin\**\${{ parameters.configuration }}\${{ parameters.dllName }}.dll").FullName
+      Write-Output This is the file $dllFile
+    displayName: 'Find dll file'
+
+  - powershell: |
+      dotnet test --collect:"XPlat Code Coverage" /TestAdapterPath:$env:UserProfile\.nuget\packages\coverlet.collector\6.0.2\build --results-directory .\results\${{ parameters.dllName }} $dllFile
+    displayName: 'dotnet tests'
+    failOnStderr: true
+
+  - powershell: |
+      if (200 -ne (Invoke-WebRequest -Uri https://codecov.io/validate -Body (Get-Content -Raw -LiteralPath .\codecov.yml) -Method post | Select-Object StatusCode).StatusCode) {
+        Write-Output "codecov.yml is invalid"
+        Invoke-WebRequest -Uri https://codecov.io/validate -Body (Get-Content -Raw -LiteralPath .\codecov.yml) -Method post
+        exit(1)
+      } else {
+        Write-Output "codecov.yml is valid"
+      }
+    displayName: 'Validate codecov.yml'
+    failOnStderr: true
+
+  - powershell: |
+      $coverage_file_gsagh = (Resolve-Path $(System.DefaultWorkingDirectory)/results/gsagh/*/coverage.cobertura.xml).Path
+      echo $coverage_file_gsagh
+      Copy-Item $coverage_file_gsagh $(System.DefaultWorkingDirectory)\results\coverage_${{ parameters.dllName }}.xml
+      $ProgressPreference = 'SilentlyContinue'
+      Invoke-WebRequest -Uri https://uploader.codecov.io/latest/windows/codecov.exe -Outfile codecov.exe
+      ls $(System.DefaultWorkingDirectory)\
+      cd $(System.DefaultWorkingDirectory)\
+      .\codecov -t $env:CODECOV_TOKEN --dir $(System.DefaultWorkingDirectory)\results --file coverage_${{ parameters.dllName }}.xml -F ${{ parameters.dllName }}
+    env:
+      CODECOV_TOKEN: $(CODECOV_TOKEN)
+    displayName: Upload Code Coverage to codecovio
+    failOnStderr: true
+
+  - task: PublishCodeCoverageResults@1
+    displayName: Create Azure ${{ parameters.dllName }} CodeCoverage
+    inputs:
+      codeCoverageTool: 'cobertura'
+      summaryFileLocation: '$(System.DefaultWorkingDirectory)/results/${{ parameters.dllName }}/**/coverage.cobertura.xml'
+      pathToSources: '$(System.DefaultWorkingDirectory)'
+    condition: and(succeeded(), eq(variables['Build.SourceBranch'], 'refs/heads/main'))
+
+  - publish: $(System.DefaultWorkingDirectory)\results\coverage_${{ parameters.dllName }}.xml
+    displayName: Publish GsaGHTest xml to Azure
+    artifact: $nameTestsCoverage
+    continueOnError: true
diff --git a/impact-testing.yml b/impact-testing.yml
new file mode 100644
index 000000000..a05fc919e
--- /dev/null
+++ b/impact-testing.yml
@@ -0,0 +1,143 @@
+trigger:
+  branches:
+    include:
+      - 'release/*'
+
+variables:
+  - group: s3PushInstallers
+  - group: pipeline-tokens
+
+pool: 'rhino-compute'
+
+stages:
+- stage: CheckRepoChanges
+  displayName: 'Check Repository Changes'
+  pool:
+    vmImage: 'windows-latest'
+  jobs:
+  - job: CheckChanges
+    displayName: 'Check for Changes in GsaGH and IntegrationTests'
+    steps:
+
+    - checkout: none
+
+    - powershell: |
+        Write-Output "Minimal checkout of repository...Branch:$(System.PullRequest.SourceBranch)"
+        git clone --branch $(System.PullRequest.SourceBranch) --depth 100 --sparse https://$(GITHUB_TOKEN)@github.com/arup-group/GSA-Grasshopper.git .
+      displayName: 'Minimal Checkout'
+      env:
+        GITHUB_TOKEN: $(GITHUB_TOKEN)
+
+    - powershell: |
+        Write-Output "Checking for changes in GsaGH/** and IntegrationTests/**..."
+        git fetch origin
+        git status
+
+        $targetBranch = $(System.PullRequest.TargetBranch)
+        $gitChanges = git diff --name-only HEAD..$targetBranch
+        $unitTestsChanged = $false
+        $integrationTestsChanged = $false
+
+        foreach ($file in $gitChanges) {
+          Write-Output "Checking file: $file"
+          # both need to run
+          if ($file -like 'GsaGH/*') {
+            $unitTestsChanged = $true
+            $integrationTestsChanged = $true
+          }
+          if ($file -like 'IntegrationTests/*') {
+            $integrationTestsChanged = $true
+          }
+          if ($file -like 'GsaGHTests/*') {
+            $unitTestsChanged = $true
+          }
+        }
+
+        Write-Output "Setting pipeline variables based on changes detected..."
+        Write-Output "UnitTests=$unitTestsChanged"
+        echo "##vso[task.setvariable variable=UnitTests]$unitTestsChanged"
+        Write-Output "Integration=$integrationTestsChanged"
+        echo "##vso[task.setvariable variable=Integration]$integrationTestsChanged"
+      displayName: 'Detect Changes in Repo'
+
+- stage: ImpactTestingUnit
+  displayName: 'Impact Testing (Unit)'
+  dependsOn: CheckRepoChanges
+  condition: always()
+  # condition: eq(variables['UnitTests'], 'true')
+  jobs:
+  - job: UnitTests
+    displayName: 'Run Unit Tests'
+    steps:
+    - checkout: self
+    - powershell: |
+        Write-Output "Running Unit Tests..."
+      displayName: 'Run Unit Tests'
+
+    - template: install-gsa.yml
+      parameters:
+        version: latest
+
+    - template: build-solution.yml
+      parameters:
+        solution: 'GsaGH.sln'
+        configuration: 'Debug'
+
+    #- task: VisualStudioTestPlatformInstaller@1
+    #  displayName: 'Install Test Platform'
+    #  inputs:
+    #      packageFeedSelector: 'nugetOrg'
+    #      versionSelector: 'specificVersion'
+    #      testPlatformVersion: '16.11.0'
+
+    #- task: VSTest@2
+    #  inputs:
+    #    testSelector: 'testAssemblies'  # Enables Test Impact Analysis
+    #    testAssemblyVer2: |
+    #      GsaGHTests\bin\x64\Debug\net48\GsaGHTests.dll
+    #    searchFolder: '$(System.DefaultWorkingDirectory)'
+    #    runOnlyImpactedTests: true
+    #    runInParallel: true
+    #    failOnStderr: true
+    #    codeCoverageEnabled: true
+    #    testFiltercriteria: "FullyQualifiedName~GsaGHTests.Components.Analysis.CreateAnalysisTaskTests"
+
+    #- powershell: |
+    #    $coverage_file = (Resolve-Path $(Agent.TempDirectory)/TestResults/*.trx).Path
+    #    echo $coverage_file
+    #  displayName: 'Find TRX File'
+
+    #- task: PublishBuildArtifacts@1
+    #  condition: always()
+    #  inputs:
+    #    PathtoPublish: '$(Agent.TempDirectory)\TestResults'
+    #    ArtifactName: 'Tests Results'
+    #    publishLocation: 'Container'
+
+    # Publish code coverage results v2
+    # Publish any of the code coverage results from a build.
+   # - task: PublishCodeCoverageResults@2
+   #   condition: always()
+   #   inputs:
+   #     codeCoverageTool: 'Cobertura' # 'JaCoCo'
+   #     summaryFileLocation: $coverage_file
+        #pathToSources: # string. Path to Source files.
+        #failIfCoverageEmpty: false # boolean. Fail if code coverage results are missing. Default: false.
+
+    - template: dotnet-tests-with-coverage.yml
+      parameters:
+        configuration: 'Debug'
+
+    - template: uninstall-gsa.yml
+
+- stage: ImpactTestingIntegration
+  displayName: 'Impact Testing (Integration)'
+  dependsOn: CheckRepoChanges
+  condition: eq(variables['Integration'], 'true')
+  jobs:
+  - job: IntegrationTests
+    displayName: 'Run Integration Tests'
+    steps:
+    - powershell: |
+        Write-Output "Running Integration Tests..."
+      displayName: 'Run Integration Tests'
diff --git a/install-gsa.yml b/install-gsa.yml
new file mode 100644
index 000000000..80bac466b
--- /dev/null
+++ b/install-gsa.yml
@@ -0,0 +1,47 @@
+parameters:
+- name: version
+  type: string
+  default: 'nightly'
+
+steps:
+  - powershell: |
+      Get-ChildItem *.msi -Recurse | Remove-Item
+      aws s3 cp s3://oasys-installer-store/GSA/${{ parameters.version }} . --exclude "*" --include *Arup*.msi --recursive
+      Get-ChildItem *.msi | Rename-Item -NewName gsa.msi
+    displayName: 'Download GSA nightly'
+    failOnStderr: true
+
+  - powershell: |
+      $installerPath = $(ls -r $(Pipeline.Workspace)\gsa.msi)
+      Write-output "Installer Path: ${installerPath}"
+      Write-output "GSA Version:"
+      if (!(Test-Path $installerPath.FullName)) {
+        Write-output "File '{0}' does not exist" -f $installerPath.FullName
+      }
+      try {
+        $WindowsInstaller = New-Object -com WindowsInstaller.Installer
+        $Database = $WindowsInstaller.GetType().InvokeMember("OpenDatabase", "InvokeMethod", $Null, $WindowsInstaller, @($installerPath.FullName, 0))
+        $Query = "SELECT Value FROM Property WHERE Property = 'ProductVersion'"
+        $View = $database.GetType().InvokeMember("OpenView", "InvokeMethod", $Null, $Database, ($Query))
+        $View.GetType().InvokeMember("Execute", "InvokeMethod", $Null, $View, $Null) | Out-Null
+        $Record = $View.GetType().InvokeMember( "Fetch", "InvokeMethod", $Null, $View, $Null )
+        $Version = $Record.GetType().InvokeMember( "StringData", "GetProperty", $Null, $Record, 1 )
+        Write-output $Version
+      } catch {
+        Write-output "Failed to get MSI file version: {0}." -f $_
+      }
+      $app = Start-Process ${installerPath} -ArgumentList '/passive /quiet /l* msiLog.txt' -PassThru -Wait
+      $app.WaitForExit()
+      Write-Output "Exit code: $($app.ExitCode)"
+      Write-Output "Exit time: $($app.ExitTime.ToUniversalTime().ToString('yyyy-MM-dd HH:mm:ss')) UTC"
+      if ($app.ExitCode -ne 0) {
+        Write-Error "Application could not be installed. Error code $($app.ExitCode)"
+        exit(1)
+      }
+    displayName: 'Install GSA'
+    failOnStderr: true
+
+  - powershell: |
+      & 'C:\Program Files\Oasys\*\GSA.exe' /Register
+    displayName: 'Register GSA COM'
+    failOnStderr: false
diff --git a/uninstall-gsa.yml b/uninstall-gsa.yml
new file mode 100644
index 000000000..a61fe673a
--- /dev/null
+++ b/uninstall-gsa.yml
@@ -0,0 +1,20 @@
+
+steps:
+  - powershell: |
+      $installerPath = $(ls -r $(Pipeline.Workspace)\gsa.msi)
+      Write-output "Installer Path: ${installerPath}"
+      $app = Start-Process "msiexec.exe" -ArgumentList "/x ${installerPath} /quiet /passive /norestart /l* msiUninstallLog.txt" -PassThru -Wait
+      $app.WaitForExit()
+      Write-Output "Exit code: $($app.ExitCode)"
+      Write-Output "Exit time: $($app.ExitTime.ToUniversalTime().ToString('yyyy-MM-dd HH:mm:ss')) UTC"
+
+      if (($app.ExitCode -eq 0) -or ($app.ExitCode -eq 1641) -or ($app.ExitCode -eq 3010)) {
+        Write-Output "Application successfully uninstalled with exit code $($app.ExitCode)"
+        rm $installerPath
+        exit(0)
+      } else {
+        Write-Error "Application could not be uninstalled. Error code $($app.ExitCode)"
+        exit(1)
+      }
+    condition: always()
+    displayName: 'Uninstall Application'