diff --git a/.github/workflows/build_packages.yaml b/.github/workflows/build_packages.yaml
index 48f280270..b5e89fe65 100644
--- a/.github/workflows/build_packages.yaml
+++ b/.github/workflows/build_packages.yaml
@@ -25,229 +25,22 @@ defaults:
   run:
     shell: bash
 
-# Some considerations: https://github.com/orgs/community/discussions/38443
 
 jobs:
   
-  # TODO sync sourcebuild patches with pdfium-binaries on before release?
-  # TODO(201): schedule test_setup and test_sourcebuild separately?
-  
-  test_setup:
-    if: ${{ inputs.pre_test }}
-    uses: ./.github/workflows/test_setup.yaml
-  
-  test_sourcebuild:
-    if: ${{ inputs.pre_test }}
-    uses: ./.github/workflows/test_sourcebuild.yaml
-  
-  build:
-    runs-on: ${{ inputs.runner }}
-    outputs:
-      new_version: ${{ steps.get_version.outputs.new_version }}
-    
-    steps:
-      
-      - name: Set up Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: ${{ inputs.py_version }}
-      
-      - name: Check out repository
-        uses: actions/checkout@v4
-        with:
-          repository: ${{ github.repository }}
-          fetch-depth: 0
-      
-      - name: Install/update dependencies
-        run: python3 -m pip install -U -r req/default.txt -r req/utilities.txt
-      
-      # NOTE autorelease sets a tag, but it's just temporary for informational purpose and does not match the actually published tag
-      # We can't push the tag at this stage because we don't know the outcome of the following jobs yet
-      # -> TODO avoid tmp tag
-      - name: Run autorelease script
-        run: |
-          git config user.email "geisserml@gmail.com"
-          git config user.name "geisserml"
-          git reset --hard HEAD
-          python3 setupsrc/pypdfium2_setup/autorelease.py --register
-          git checkout autorelease_tmp
-      
-      - name: Get new version
-        id: get_version
-        run: echo "new_version=$(git describe --abbrev=0)" >> $GITHUB_OUTPUT
-      
-      - name: Install pypdfium2
-        run: python3 -m pip install --no-build-isolation -e .
-      
-      - name: Run test suite
-        run: ./run test
-      
-      - name: Run packaging script
-        run: ./run packaging
-      
-      - name: Upload release notes
-        uses: actions/upload-artifact@v3
-        with:
-          name: release_notes
-          path: RELEASE.md
-      
-      - name: Upload packages
-        uses: actions/upload-artifact@v3
-        with:
-          name: packages
-          path: dist/*
-      
-      # tag deliberately not pushed (see above)
-      - name: Push autorelease_tmp branch
-        run: git push -u origin autorelease_tmp
-  
-  
-  test:
-    if: ${{ inputs.test }}
-    needs: build
-    
-    strategy:
-      fail-fast: false
-      matrix:
-        os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
-        py: ['3.7', '3.8', '3.9', '3.10', '3.11']
-        include:
-          - os: ubuntu-latest
-            wheel: dist/*manylinux_*_x86_64*.whl
-          - os: macos-latest
-            wheel: dist/*macosx_*_x86_64*.whl
-          - os: windows-latest
-            wheel: dist/*win_amd64.whl
-    
-    runs-on: ${{ matrix.os }}
-    
-    steps:
-      
-      - name: Set up Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: ${{ matrix.py }}
-      
-      - name: Check out repository
-        uses: actions/checkout@v4
-        with:
-          repository: ${{ github.repository }}
-          ref: autorelease_tmp
-      
-      - name: Download packages
-        uses: actions/download-artifact@v3
-        with:
-          name: packages
-          path: dist/
-      
-      - name: Install dependencies
-        run: |
-          python3 -m pip install -U pip setuptools
-          python3 -m pip install -U pytest pillow numpy wheel
-      
-      - name: Install pypdfium2 from artifact
-        run: python3 -m pip install ${{ matrix.wheel }}
-      
-      - name: Run Test Suite
-        run: ./run test
-  
-  
-  publish:
+  test_trigger:
     
-    needs: [test_setup, test_sourcebuild, build, test]
-    if: ${{ inputs.publish && !cancelled() && !contains(needs.*.result, 'failure') }}
-    runs-on: ${{ inputs.runner }}
-    
-    # `environment: release` is mandatory for our PyPI/TestPyPI upload via "trusted publishing".
-    # (On PyPI config time, restricting the environment is optional, but strongly encouraged. Once installed on PyPI, it must be set in the workflow. This applies here.)
-    # https://docs.github.com/en/actions/deployment/targeting-different-environments/using-environments-for-deployment
+    # ...
+    runs-on: ubuntu-latest
     environment: release
     permissions:
-      # `id-token: write` is mandatory for PyPI/TestPyPI upload via "trusted publishing".
       id-token: write
-      # `contents: write` is required for the repository changes
       contents: write
+      # test permissions required to trigger workflow
+      actions: write
     
     steps:
-      
-      - name: Check out repository (deep)
-        uses: actions/checkout@v4
-        with:
-          repository: ${{ github.repository }}
-          fetch-depth: 0
-      
-      - name: Set up Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: ${{ inputs.py_version }}
-      
-      - name: Download packages
-        uses: actions/download-artifact@v3
-        with:
-          name: packages
-          path: dist/
-      
-      - name: Download release notes
-        uses: actions/download-artifact@v3
-        with:
-          name: release_notes
-      
-      - name: Apply and push repository changes
-        run: |
-          git config user.email "geisserml@gmail.com"
-          git config user.name "geisserml"
-          git checkout main
-          git merge origin/autorelease_tmp
-          git tag -a ${{ needs.build.outputs.new_version }} -m "Autorelease"
-          git push
-          git push --tags
-          git checkout stable
-          git reset --hard main
-          git push --force
-          git checkout main
-      
-      - name: Publish to GitHub
-        uses: ncipollo/release-action@v1
-        with:
-          artifacts: 'dist/*'
-          bodyFile: 'RELEASE.md'
-          token: ${{ secrets.GITHUB_TOKEN }}
-          tag: ${{ needs.build.outputs.new_version }}
-          prerelease: ${{ contains(needs.build.outputs.new_version, 'b') }}
-      
-      # Upload to TestPyPI / PyPI via "trusted publishing".
-      # https://docs.pypi.org/trusted-publishers/adding-a-publisher/
-      # https://docs.pypi.org/trusted-publishers/using-a-publisher/
-      # https://github.com/pypa/gh-action-pypi-publish
-      
-      - name: Publish to TestPyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          repository-url: https://test.pypi.org/legacy/
-          packages-dir: dist/  # the default
-      
-      - name: Publish to PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          packages-dir: dist/  # the default
-      
       - name: Trigger GH Pages rebuild
         uses: benc-uk/workflow-dispatch@v1
         with:
-          workflow: gh_pages.yaml  # takes no inputs
-  
-  
-  cleanup:
-    needs: [build, test, publish]
-    if: always()
-    runs-on: ${{ inputs.runner }}
-    
-    steps:
-      
-      - name: Check out repository
-        uses: actions/checkout@v4
-        with:
-          repository: ${{ github.repository }}
-    
-      - name: Remove temporary branch
-        run: git push origin --delete autorelease_tmp
+          workflow: gh_pages.yaml