diff --git a/.github/ISSUE_TEMPLATE/releases/release_checklist.md b/.github/ISSUE_TEMPLATE/releases/release_checklist.md
index a09f054d5b..631640d68e 100644
--- a/.github/ISSUE_TEMPLATE/releases/release_checklist.md
+++ b/.github/ISSUE_TEMPLATE/releases/release_checklist.md
@@ -15,13 +15,14 @@
      - This is useful to make sure context is available to review later. It may end up blank if the release goes very smoothly.
      - There are other notes on servicing in this OneNote. It may be useful to review if something goes wrong to see if it's been fixed before.
      - File issues appropriately as you encounter problems, and link to them from the notes. Provide info in the issue rather than in the notes.
-1. - [ ] Retrieve dotnet/installer commit sha from internal communications for the release.
+1. - [ ] Retrieve the final run of the [Stage-DotNet](https://dev.azure.com/dnceng/internal/_build?definitionId=792&_a=summary) pipeline from internal release communications.
+1. - [ ] Run the [source-build-pre-release](https://dev.azure.com/dnceng/internal/_build?definitionId=1188) pipeline. When staging the pipeline run, click "Resources" and select the final run of Stage-DotNet mentioned above.
+     - [ ] When the pipeline finishes, look in the logs for the dotnet/installer commit sha that represents the final release.
+     - This pipeline automatically uploads the dotnet source tarball to dotnetclimsrc
 1. - [ ] Ensure the official installer and tarball builds have completed for the release's commit sha.
-     - [ ] [Installer](https://dev.azure.com/dnceng/internal/_build?definitionId=286) (internal link)
-       - [ ] Retrieve the source tarball artifact - `BlobArtifacts/dotnet-sdk-source-6.0.xxx.tar.gz`
      - [ ] [Tarball](https://dev.azure.com/dnceng/internal/_build?definitionId=1011) (internal link)
        - [ ] Ensure the PoisonTests and SdkContentTests are passing.  Warnings indicate a baseline diff and should be inspected carefully.
-1. - [ ] [Internal] Gather smoke-test prereqs
+1. - [ ] [Internal] Gather smoke-test prereqs ([automation tracking issue](https://github.com/dotnet/source-build/issues/3068))
      - [ ] Retrieve smoke-test prereqs artifact for each architecture (e.g. x64 and arm64) from [tarball build](https://dev.azure.com/dnceng/internal/_build?definitionId=1011) (internal link)
        - [ ] x64 - `Build Tarball CentOS7-Offline_Artifacts/dotnet-smoke-test-prereqs.6.0.xxx.tar.gz`
        - [ ] arm64 - `Build Tarball Debian9-Offline_Artifacts/dotnet-smoke-test-prereqs.6.0.xxx.tar.gz`
@@ -32,13 +33,13 @@
        - [ ] Extact arm64 tarball
        - [ ] Copy four `*linux-arm64*` packages to x64 packages
        - [ ] Create new `dotnet-smoke-test-prereqs.6.0.xxx.tar.gz` tarball
-1. - [ ] [Internal] Upload source and smoke-test-prereqs tarball to dotnetclimsrc storage account.
+1. - [ ] [Internal] Upload smoke-test-prereqs tarball to dotnetclimsrc storage account.
 1. - [ ] Notify partners of release.  Include info about how certain we are that this will be the final Microsoft build.
      - [Internal] Send the dotnetclimsrc tarball links to partners.
          - Never overwrite a tarball. At least change the blob storage virtual dir to represent a new build. This can help avoid timing issues and make it more obvious if stale links were accidentally re-sent rather than new ones.
      - [Non-Internal] Send the dotnet/installer commit sha along w/link to publicly built source tarball.  Link to the public instructions for building source-build.
 1. - [ ] SYNC POINT: Wait for Microsoft build release.
-1. - [ ] Upload the source-build artifacts to dotnetcli/source-built-artifacts blob storage.
+1. - [ ] Upload the source-build artifacts to dotnetcli/source-built-artifacts blob storage. ([automation tracking issue](https://github.com/dotnet/source-build/issues/3080))
      - [ ] Retrieve the source-build artifacts from [Tarball](https://dev.azure.com/dnceng/internal/_build?definitionId=1011) (internal link) - `Build Tarball CentOS7-Offline_Artifacts/Private.SourceBuilt.Artifacts.6.0.xxx.tar.gz`
 1. - [ ] Run the [source-build-release pipeline](https://dev.azure.com/dnceng/internal/_build?definitionId=1124) (internal link).
      - Set the `SDK Version` parameter.
diff --git a/eng/source-build-pre-release.yml b/eng/source-build-pre-release.yml
new file mode 100644
index 0000000000..7e00652ab3
--- /dev/null
+++ b/eng/source-build-pre-release.yml
@@ -0,0 +1,88 @@
+trigger: none
+pr: none
+
+pool:
+  name: NetCore1ESPool-Svc-Internal
+  demands: ImageOverride -equals 1es-ubuntu-2004
+
+resources:
+  pipelines:
+  - pipeline: dotnet-staging-pipeline-resource
+    source: Stage-DotNet
+
+parameters:
+  - name: useSpecificPipelineRunIDs
+    displayName: Use Specific Pipeline Run IDs
+    type: boolean
+    default: false
+  - name: dotnetInstallerOfficialRunID
+    displayName: dotnet-installer-official-ci run ID
+    type: string
+    default: '200XXXX'
+  - name: dotnetInstallerTarballBuildRunID
+    displayName: dotnet-installer-source-build-tarball-build run ID
+    type: string
+    default: '200XXXX'
+
+variables:
+- template: templates/installer-pipeline-variables.yml
+- group: DotNet-MSRC-Storage
+- name: storageAccountName
+  value: 'dotnetclimsrc'
+- name: blobContainerName
+  value: 'source-build'
+- name: blobContainerUploadBaseFilePath
+  value: 'release'
+
+jobs:
+- job: UploadSourceTarballJob
+  displayName: Upload Source Tarball
+
+  steps:
+  - template: templates/get-build-info.yml
+    parameters:
+      dotnetStagingPipelineResource: dotnet-staging-pipeline-resource
+      getAssociatedPipelineRuns: true
+      useSpecificPipelineRunIDs: ${{ parameters.useSpecificPipelineRunIDs }}
+      dotnetInstallerOfficialRunID: ${{ parameters.dotnetInstallerOfficialRunID }}
+      dotnetInstallerTarballBuildRunID: ${{ parameters.dotnetInstallerTarballBuildRunID }}
+
+  - task: DownloadPipelineArtifact@2
+    name: DownloadSourceTarballStep
+    displayName: Download Source Tarball
+    inputs:
+      source: 'specific'
+      artifact: 'BlobArtifacts'
+      patterns: 'BlobArtifacts/dotnet-sdk-source-$(SdkVersion).tar.gz'
+      project: 'internal'
+      pipeline: $(installerOfficialCiPipelineId)
+      runVersion: 'specific'
+      runId: $(InstallerOfficialRunId)
+
+  - script: |
+      set -euxo pipefail
+      az config set extension.use_dynamic_install=yes_without_prompt
+
+      source_tarball_upload_path="$(blobContainerUploadBaseFilePath)/$(ReleaseChannel)/$(RuntimeVersion)-$(SdkVersion)"
+      source_tarball_filename="dotnet-sdk-source-$(SdkVersion).tar.gz"
+
+      if [ ! -f "$(PIPELINE.WORKSPACE)/${source_tarball_filename}" ]; then
+        echo "##vso[task.logissue type=error]File ${source_tarball_filename} not found on disk. It might not have been downloaded. Exiting..."
+      fi
+
+      az storage blob upload --account-name "$(storageAccountName)" --container-name "$(blobContainerName)" --file "$(PIPELINE.WORKSPACE)/${source_tarball_filename}" --name "${source_tarball_upload_path}/${source_tarball_filename}"
+
+      source_tarball_blob_list=$(az storage blob list --account-name "$(storageAccountName)" --container-name "$(blobContainerName)" --prefix "${source_tarball_upload_path}/${source_tarball_filename}")
+      number_of_blobs=$(echo $source_tarball_blob_list | jq -r 'length')
+      
+      if [ $number_of_blobs -eq 0 ]; then
+        echo "##vso[task.logissue type=error]File ${source_tarball_filename} not found in blob storage. It might not have been downloaded earlier, and might not have been uploaded to $(blobContainerName). Exiting..."
+        exit 1
+      elif [ $number_of_blobs -gt 1 ]; then
+        echo "##vso[task.logissue type=error]More than one blob named ${source_tarball_filename} found in blob storage. Exiting..."
+        exit 1
+      fi
+    name: UploadSourceTarballStep
+    displayName: Upload Source Tarball
+    env:
+      AZURE_STORAGE_KEY: $(dotnetclimsrc-access-key)
diff --git a/eng/templates/get-build-info.yml b/eng/templates/get-build-info.yml
new file mode 100644
index 0000000000..ce578081f7
--- /dev/null
+++ b/eng/templates/get-build-info.yml
@@ -0,0 +1,124 @@
+parameters:
+  - name: dotnetStagingPipelineResource
+    type: string
+    default: ''
+  - name: getAssociatedPipelineRuns
+    type: boolean
+    default: false
+  - name: useSpecificPipelineRunIDs
+    type: boolean
+    default: false
+  - name: dotnetInstallerOfficialRunID
+    type: string
+    default: ''
+  - name: dotnetInstallerTarballBuildRunID
+    type: string
+    default: ''
+
+steps:
+- download: ${{ parameters.dotnetStagingPipelineResource }}
+  artifact: manifests
+  patterns: 'manifest.json'
+  displayName: Download Release Manifest
+
+- download: ${{ parameters.dotnetStagingPipelineResource }}
+  artifact: drop
+  patterns: 'config.json'
+  displayName: Download Release Config
+
+- script: |
+    set -euo pipefail
+
+    manifest_path=$(PIPELINE.WORKSPACE)/dotnet-staging-pipeline-resource/manifests/manifest.json
+    config_path=$(PIPELINE.WORKSPACE)/dotnet-staging-pipeline-resource/drop/config.json
+
+    runtime_version="$(jq -r '.Runtime' $config_path)"
+    release_channel="$(jq -r '.Channel' $config_path)"
+
+    # Source-build only supports the lowest avaiable feature band.
+    # Sort the SDK releases by number and pick the lowest value.
+    sdk_version="$(jq -r '.Sdks | sort_by(. | split(".") | map(tonumber)) | .[0]' $config_path)"
+
+    # replace the last two characters in sdk_version with xx
+    branch_version=$(echo $sdk_version | sed 's/..$/xx/')
+    branch_name="refs/heads/internal/release/${branch_version}"
+
+    commit=$(jq -r --arg BRANCH "${branch_name}" '.builds[] | select(.repo == "https://dev.azure.com/dnceng/internal/_git/dotnet-installer") | select(.branch == $BRANCH) | .commit' $manifest_path)
+
+    if [[ ! $commit ]]; then
+      echo "##vso[task.logissue type=error]Installer commit not set. Exiting..."
+      exit 1
+    fi
+
+    echo "Release channel: ${release_channel}"
+    echo "Runtime version: ${runtime_version}"
+    echo "SDK version: ${sdk_version}"
+    echo "Installer commit: ${commit}"
+
+    echo "##vso[task.setvariable variable=SdkVersion]${sdk_version}"
+    echo "##vso[task.setvariable variable=RuntimeVersion]${runtime_version}"
+    echo "##vso[task.setvariable variable=ReleaseChannel]${release_channel}"
+    echo "##vso[task.setvariable variable=InstallerCommit]${commit}"
+  name: ReadReleaseInfoStep
+  displayName: Read Release Info
+
+- ${{ if eq(parameters.getAssociatedPipelineRuns, true) }}:
+  - ${{ if eq(parameters.useSpecificPipelineRunIDs, false) }}:
+    - script: |
+        set -euo pipefail
+        az config set extension.use_dynamic_install=yes_without_prompt
+
+        installer_official_runs=$(az pipelines runs list --organization $(azDoOrg) --project $(azDoProject) --pipeline-ids $(installerOfficialCiPipelineId))
+        installer_official_run_ids=$(echo $installer_official_runs | jq -r '[.[] | select(.sourceVersion == "$(InstallerCommit)") | .id]')
+        num_official_runs=$(echo $installer_official_run_ids | jq 'length')
+
+        if [ "$num_official_runs" != "1" ]; then
+          echo "##vso[task.logissue type=error]There are ${num_official_runs} of dotnet-installer-official-ci for $(InstallerCommit). Please manually specify run IDs to use."
+          echo "##vso[task.logissue type=error]Run IDs are: ${installer_official_run_ids}"
+          exit 1
+        fi
+
+        installer_official_run_id=$(echo $installer_official_run_ids | jq -r '.[0]')
+
+        installer_tarball_build_runs=$(az pipelines runs list --organization $(azDoOrg) --project $(azDoProject) --pipeline-ids $(installerTarabllBuildCiPipelineId))
+        installer_tarball_build_run_ids=$(echo $installer_tarball_build_runs | jq -r '[.[] | select(.sourceVersion == "$(InstallerCommit)") | { "result": .result, "id": .id }]')
+        num_tarball_build_runs=$(echo $installer_tarball_build_run_ids | jq 'length')
+
+        if [ "$num_tarball_build_runs" != "1" ]; then
+          echo "##vso[task.logissue type=error]There are ${num_tarball_build_runs} runs of dotnet-installer-source-build-tarball-build for $(InstallerCommit). Please manually specify run IDs to use."
+          echo "##vso[task.logissue type=error]Run IDs are: ${installer_tarball_build_run_ids}"
+          exit 1
+        fi
+
+        installer_tarball_build_run_id=$(echo $installer_tarball_build_run_ids | jq -r '.[0].id')
+        installer_tarball_build_run_result=$(echo $installer_tarball_build_run_ids | jq -r '.[0].result')
+
+        if [[ ("$installer_tarball_build_run_result" == "failed") && "$(useSpecificPipelineRunIDs)" ]]; then
+          echo "##vso[task.logissue type=error]: dotnet-installer-source-build-tarball-build run ID ${installer_tarball_build_run_id} failed. Please manually specify a tarball build ID to use instead. Exiting..."
+          exit 1
+        fi
+
+        echo "dotnet-installer-official-ci run ID: ${installer_official_run_id}"
+        echo "dotnet-installer-source-build-tarball-build run ID: ${installer_tarball_build_run_id}"
+
+        echo "##vso[task.setvariable variable=InstallerOfficialRunId]${installer_official_run_id}"
+        echo "##vso[task.setvariable variable=InstallerTarballBuildRunId]${installer_tarball_build_run_id}"
+      name: GetAssociatedPipelineRunsStep
+      displayName: Get Associated Pipeline Run IDs
+      env:
+        AZURE_DEVOPS_EXT_PAT: $(System.AccessToken)
+
+  - ${{ if eq(parameters.useSpecificPipelineRunIDs, true) }}:
+    - script: |
+        set -euo pipefail
+
+        installer_official_run_id="${{ parameters.dotnetInstallerOfficialRunID }}"
+        installer_tarball_build_run_id="${{ parameters.dotnetInstallerTarballBuildRunID }}"
+
+        echo "dotnet-installer-official-ci run ID: ${installer_official_run_id}"
+        echo "dotnet-installer-source-build-tarball-build run ID: ${installer_tarball_build_run_id}"
+
+        echo "##vso[task.setvariable variable=InstallerOfficialRunId]${installer_official_run_id}"
+        echo "##vso[task.setvariable variable=InstallerTarballBuildRunId]${installer_tarball_build_run_id}"
+      name: SetAssociatedPipelineRunsStep
+      displayName: Set Associated Pipeline Run IDs
\ No newline at end of file
diff --git a/eng/templates/installer-pipeline-variables.yml b/eng/templates/installer-pipeline-variables.yml
new file mode 100644
index 0000000000..81a320a6f7
--- /dev/null
+++ b/eng/templates/installer-pipeline-variables.yml
@@ -0,0 +1,10 @@
+# Information about dotnet/installer pipelines that won't change and is useful in multiple pipelines
+variables:
+- name: azDoProject
+  value: 'internal'
+- name: azDoOrg
+  value: 'https://dev.azure.com/dnceng/'
+- name: installerOfficialCiPipelineId
+  value: '286'
+- name: installerTarabllBuildCiPipelineId
+  value: '1011'
\ No newline at end of file