diff --git a/.github/workflows/on_pull_request.yaml b/.github/workflows/on_pull_request.yaml
index d7d157d..5b7e689 100644
--- a/.github/workflows/on_pull_request.yaml
+++ b/.github/workflows/on_pull_request.yaml
@@ -5,7 +5,7 @@ concurrency:
   cancel-in-progress: true
 
 on:
-  pull_request:
+  workflow_dispatch:
 
 jobs:
   tests:
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 8e2d4a3..5661879 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -4,57 +4,58 @@ env:
   BRANCH: ${{ github.ref_name }}
 
 on:
+  pull_request:
   push:
     # Sequence of patterns matched against refs/tags
     tags:
       - "v*" # Push events to matching v*, i.e. v1.0, v20.15.10
 
 jobs:
-  tests:
-    uses: ./.github/workflows/ci-tests.yaml
+  # tests:
+  #   uses: ./.github/workflows/ci-tests.yaml
 
-  release_checks:
-    name: Checks before pkg build
-    runs-on: ubuntu-latest
-    timeout-minutes: 5
-    strategy:
-      fail-fast: true
-    steps:
-      - id: checkout
-        name: Checkout repo
-        uses: actions/checkout@v4
-        with:
-          ref: ${{ env.BRANCH }}
-          fetch-depth: 0
-      - id: setup_python
-        name: Setup Python
-        uses: actions/setup-python@v5.3.0
-        with:
-          python-version: "3.10"
-          architecture: x64
-      - id: install_environment
-        name: Set up build environment
-        run: |
-          make setup
+  # release_checks:
+  #   name: Checks before pkg build
+  #   runs-on: ubuntu-latest
+  #   timeout-minutes: 5
+  #   strategy:
+  #     fail-fast: true
+  #   steps:
+  #     - id: checkout
+  #       name: Checkout repo
+  #       uses: actions/checkout@v4
+  #       with:
+  #         ref: ${{ env.BRANCH }}
+  #         fetch-depth: 0
+  #     - id: setup_python
+  #       name: Setup Python
+  #       uses: actions/setup-python@v5.3.0
+  #       with:
+  #         python-version: "3.10"
+  #         architecture: x64
+  #     - id: install_environment
+  #       name: Set up build environment
+  #       run: |
+  #         make setup
 
-      - id: package_metadata
-        name: Fetch package metadata
-        run: |
-          NAME=$(poetry version | awk '{print $1}')
-          VERSION=$(poetry version | awk '{print $2}')
-          echo "name=$NAME" >> "$GITHUB_OUTPUT"
-          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
+  #     - id: package_metadata
+  #       name: Fetch package metadata
+  #       run: |
+  #         NAME=$(poetry version | awk '{print $1}')
+  #         VERSION=$(poetry version | awk '{print $2}')
+  #         echo "name=$NAME" >> "$GITHUB_OUTPUT"
+  #         echo "version=$VERSION" >> "$GITHUB_OUTPUT"
 
-      - id: version_vs_tag_check
-        name: Check if tag version matches project version
-        run: |
-          VERSION=${{ steps.package_metadata.outputs.version }}
-          BRANCH=${{ env.BRANCH }}
-          if [[ "$BRANCH" != "v$VERSION" ]]; then exit 1; fi
+  #     - id: version_vs_tag_check
+  #       name: Check if tag version matches project version
+  #       run: |
+  #         VERSION=${{ steps.package_metadata.outputs.version }}
+  #         BRANCH=${{ env.BRANCH }}
+  #         if [[ "$BRANCH" != "v$VERSION" ]]; then exit 1; fi
 
-    outputs:
-      package_name: ${{ steps.package_metadata.outputs.name }}
-      package_version: ${{ steps.package_metadata.outputs.version }}
+  #   outputs:
+  #     package_name: ${{ steps.package_metadata.outputs.name }}
+  #     package_version: ${{ steps.package_metadata.outputs.version }}
 
   build:
     name: Build package
@@ -80,87 +81,112 @@ jobs:
           name: distfiles
           path: dist/
 
-  autorelease:
-    name: Release the package on github
-    needs: [release_checks, tests, build]
-    runs-on: ubuntu-latest
-    timeout-minutes: 5
-    strategy:
-      fail-fast: true
-    steps:
-      - id: checkout
-        name: Checkout repo
-        uses: actions/checkout@v4
-        with:
-          ref: ${{ env.BRANCH }}
-          fetch-depth: 0
-      - name: Download all the dists
-        uses: actions/download-artifact@v4
-        with:
-          name: distfiles
-          path: dist/
-      - id: artifact_names
-        name: Compute artifact names outputs
-        run: |
-          _NAME=${{ needs.release_checks.outputs.package_name }}
-          _VERSION=${{ needs.release_checks.outputs.package_version }}
-          echo "wheel=${_NAME}-${_VERSION}-py3-none-any.whl" >> "$GITHUB_OUTPUT"
-          echo "tarball=${_NAME}-${_VERSION}.tar.gz" >> "$GITHUB_OUTPUT"
-      - name: Create Github Release
-        uses: softprops/action-gh-release@v2
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        with:
-          body_path: ".github/RELEASE-TEMPLATE.md"
-          files: |
-            dist/${{ steps.artifact_names.outputs.wheel }}
-            dist/${{ steps.artifact_names.outputs.tarball }}
-    outputs:
-      version: ${{ needs.release_checks.outputs.package_version }}
-      wheel: ${{ steps.artifact_names.outputs.wheel }}
-      tarball: ${{ steps.artifact_names.outputs.tarball }}
 
-  upload-pypi:
-    name: Publish to PyPI
-    needs: [release_checks, tests, build]
+  publish-to-testpypi:
+    name: Publish Python 🐍 distribution 📦 to TestPyPI
+    needs:
+    - build
     runs-on: ubuntu-latest
-    steps:
-      - name: Download all the dists
-        uses: actions/download-artifact@v4
-        with:
-          name: distfiles
-          path: dist/
-      - name: Publish to PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
+
+    environment:
+      name: testpypi
+      url: https://test.pypi.org/p/<package-name>
+
     permissions:
-      id-token: write # Needed for trusted publishing (https://packaging.python.org/en/latest/guides/publishing-package-distribution-releases-using-github-actions-ci-cd-workflows/)
+      id-token: write  # IMPORTANT: mandatory for trusted publishing
 
-  test:
-    name: Test Release
-    runs-on: ubuntu-latest
-    timeout-minutes: 5
-    env:
-      DOWNLOADS_PATH: "/releases/download"
-    needs: [autorelease]
     steps:
-      - id: check-tar-gz
-        name: Check tar.gz package
-        run: |
-          # check if release is now published and available
-          TARBALL=${{ needs.autorelease.outputs.tarball }}
-          VERSION=${{ needs.autorelease.outputs.version }}
-          echo "Checking latest available Spark package release: ${TARBALL}"
-          STATUSCODE=$(curl --silent --head $GITHUB_SERVER_URL/$GITHUB_REPOSITORY/${{ env.DOWNLOADS_PATH }}/v${VERSION}/${TARBALL} | head -n 1 | cut -d' ' -f2)
-          if  [[ ${STATUSCODE} -ne 200 ]] && [[ ${STATUSCODE} -ne 302 ]]; then exit 1; fi
-      - id: download-package
-        name: Download wheel package
-        run: |
-          # check if release is now published and available
-          WHEEL=${{ needs.autorelease.outputs.wheel }}
-          VERSION=${{ needs.autorelease.outputs.version }}
-          echo "Downloading latest available Spark wheel package release ${WHEEL}."
-          wget $GITHUB_SERVER_URL/$GITHUB_REPOSITORY/${{ env.DOWNLOADS_PATH }}/v${VERSION}/${WHEEL} --no-check-certificate
-      - id: install-package
-        name: Install wheel package file
-        run: |
-          pip install ./${{ needs.autorelease.outputs.wheel }}
+    - name: Download all the dists
+      uses: actions/download-artifact@v4
+      with:
+        name: python-package-distributions
+        path: dist/
+    - name: Publish distribution 📦 to TestPyPI
+      uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        repository-url: https://test.pypi.org/legacy/
+          
+  # autorelease:
+  #   name: Release the package on github
+  #   needs: [release_checks, tests, build]
+  #   runs-on: ubuntu-latest
+  #   timeout-minutes: 5
+  #   strategy:
+  #     fail-fast: true
+  #   steps:
+  #     - id: checkout
+  #       name: Checkout repo
+  #       uses: actions/checkout@v4
+  #       with:
+  #         ref: ${{ env.BRANCH }}
+  #         fetch-depth: 0
+  #     - name: Download all the dists
+  #       uses: actions/download-artifact@v4
+  #       with:
+  #         name: distfiles
+  #         path: dist/
+  #     - id: artifact_names
+  #       name: Compute artifact names outputs
+  #       run: |
+  #         _NAME=${{ needs.release_checks.outputs.package_name }}
+  #         _VERSION=${{ needs.release_checks.outputs.package_version }}
+  #         echo "wheel=${_NAME}-${_VERSION}-py3-none-any.whl" >> "$GITHUB_OUTPUT"
+  #         echo "tarball=${_NAME}-${_VERSION}.tar.gz" >> "$GITHUB_OUTPUT"
+  #     - name: Create Github Release
+  #       uses: softprops/action-gh-release@v2
+  #       env:
+  #         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  #       with:
+  #         body_path: ".github/RELEASE-TEMPLATE.md"
+  #         files: |
+  #           dist/${{ steps.artifact_names.outputs.wheel }}
+  #           dist/${{ steps.artifact_names.outputs.tarball }}
+  #   outputs:
+  #     version: ${{ needs.release_checks.outputs.package_version }}
+  #     wheel: ${{ steps.artifact_names.outputs.wheel }}
+  #     tarball: ${{ steps.artifact_names.outputs.tarball }}
+
+  # upload-pypi:
+  #   name: Publish to PyPI
+  #   needs: [release_checks, tests, build]
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #     - name: Download all the dists
+  #       uses: actions/download-artifact@v4
+  #       with:
+  #         name: distfiles
+  #         path: dist/
+  #     - name: Publish to PyPI
+  #       uses: pypa/gh-action-pypi-publish@release/v1
+  #   permissions:
+  #     id-token: write # Needed for trusted publishing (https://packaging.python.org/en/latest/guides/publishing-package-distribution-releases-using-github-actions-ci-cd-workflows/)
+
+  # test:
+  #   name: Test Release
+  #   runs-on: ubuntu-latest
+  #   timeout-minutes: 5
+  #   env:
+  #     DOWNLOADS_PATH: "/releases/download"
+  #   needs: [autorelease]
+  #   steps:
+  #     - id: check-tar-gz
+  #       name: Check tar.gz package
+  #       run: |
+  #         # check if release is now published and available
+  #         TARBALL=${{ needs.autorelease.outputs.tarball }}
+  #         VERSION=${{ needs.autorelease.outputs.version }}
+  #         echo "Checking latest available Spark package release: ${TARBALL}"
+  #         STATUSCODE=$(curl --silent --head $GITHUB_SERVER_URL/$GITHUB_REPOSITORY/${{ env.DOWNLOADS_PATH }}/v${VERSION}/${TARBALL} | head -n 1 | cut -d' ' -f2)
+  #         if  [[ ${STATUSCODE} -ne 200 ]] && [[ ${STATUSCODE} -ne 302 ]]; then exit 1; fi
+  #     - id: download-package
+  #       name: Download wheel package
+  #       run: |
+  #         # check if release is now published and available
+  #         WHEEL=${{ needs.autorelease.outputs.wheel }}
+  #         VERSION=${{ needs.autorelease.outputs.version }}
+  #         echo "Downloading latest available Spark wheel package release ${WHEEL}."
+  #         wget $GITHUB_SERVER_URL/$GITHUB_REPOSITORY/${{ env.DOWNLOADS_PATH }}/v${VERSION}/${WHEEL} --no-check-certificate
+  #     - id: install-package
+  #       name: Install wheel package file
+  #       run: |
+  #         pip install ./${{ needs.autorelease.outputs.wheel }}