diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a1af5a648..860836943 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -54,7 +54,7 @@ jobs:
         if: startsWith(matrix.image, 'windows')
         run: |
           $env:PATH += ';C:\Program Files\Microsoft Visual Studio\2022\Enterprise\MSBuild\Current\Bin'
-          .\build.bat ${{ matrix.options }} ${{ matrix.asm }}
+          ./build.bat ${{ matrix.options }} ${{ matrix.asm }}
       - name: Build on Linux
         if: startsWith(matrix.image, 'ubuntu')
         run: |
@@ -285,9 +285,96 @@ jobs:
         if: ${{ startsWith(matrix.image, 'windows') && github.event_name != 'schedule' }}
         run: |
           $env:PATH += ';C:\Program Files\Microsoft Visual Studio\2022\Enterprise\MSBuild\Current\Bin'
-          .\shared\libebm\tests\libebm_test.bat ${{ matrix.options }} ${{ matrix.existing }}
+          ./shared/libebm/tests/libebm_test.bat ${{ matrix.options }} ${{ matrix.existing }}
       - name: win test_native (Schedule)
         if: ${{ startsWith(matrix.image, 'windows') && github.event_name == 'schedule' }}
         run: |
           $env:PATH += ';C:\Program Files\Microsoft Visual Studio\2022\Enterprise\MSBuild\Current\Bin'
-          .\shared\libebm\tests\libebm_test.bat ${{ matrix.options }} ${{ matrix.existing }} ${{ matrix.scheduled }}
+          ./shared/libebm/tests/libebm_test.bat ${{ matrix.options }} ${{ matrix.existing }} ${{ matrix.scheduled }}
+
+  testS:
+    needs: [sdist]
+    strategy:
+      matrix:
+        include:
+          - name: linux_39_python
+            python_ver: "3.9"
+            image: ubuntu-latest
+          - name: linux_310_python
+            python_ver: "3.10"
+            image: ubuntu-latest
+          - name: linux_311_python
+            python_ver: "3.11"
+            image: ubuntu-latest
+          - name: linux_312_python
+            python_ver: "3.12"
+            image: ubuntu-latest
+          - name: mac_39_python
+            python_ver: "3.9"
+            image: macos-latest
+          - name: mac_310_python
+            python_ver: "3.10"
+            image: macos-latest
+          - name: mac_311_python
+            python_ver: "3.11"
+            image: macos-latest
+          - name: mac_312_python
+            python_ver: "3.12"
+            image: macos-latest
+          - name: win_39_python
+            python_ver: "3.9"
+            image: windows-latest
+          - name: win_310_python
+            python_ver: "3.10"
+            image: windows-latest
+          - name: win_311_python
+            python_ver: "3.11"
+            image: windows-latest
+          - name: win_312_python
+            python_ver: "3.12"
+            image: windows-latest
+    runs-on: ${{ matrix.image }}
+    steps:
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python_ver }}
+      - name: Download sdist artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: sdist
+          path: bld/sdist
+      - name: pytest (non-win)
+        if: ${{ !startsWith(matrix.image, 'windows') }}
+        run: |
+          install_file=$(echo bld/sdist/interpret_core-*.tar.gz)
+          install_file=$(basename "$install_file" .tar.gz)
+          python -m pip install "bld/sdist/$install_file.tar.gz[debug,notebook,plotly,lime,sensitivity,shap,linear,treeinterpreter,aplr,dash,skoperules,testing]"
+          mkdir -p "tmp/zqmr/t"
+          tar -xzvf "bld/sdist/$install_file.tar.gz" -C "tmp/zqmr/t" "$install_file/tests"
+          cd "tmp/zqmr/t"
+          python -m pytest -vv -n auto --junitxml=junit/test-results.xml --cov=interpret --cov-report=xml --cov-report=html
+      - name: pytest (win)
+        if: ${{ startsWith(matrix.image, 'windows') }}
+        run: |
+          $install_file = Get-ChildItem -Path "bld/sdist" -Filter "interpret_core-*.tar.gz"
+          $install_file = $install_file.Name -replace '\.tar\.gz$', ''
+          $env:PATH += ';C:\Program Files\Microsoft Visual Studio\2022\Enterprise\MSBuild\Current\Bin'
+          python -m pip install "bld/sdist/$install_file.tar.gz[debug,notebook,plotly,lime,sensitivity,shap,linear,treeinterpreter,aplr,dash,skoperules,testing]"
+          New-Item -Path "tmp/zqmr/t" -ItemType Directory -Force
+          tar -xzvf "bld/sdist/$install_file.tar.gz" -C "tmp/zqmr/t" "$install_file/tests"
+          cd "tmp/zqmr/t"
+          $env:PATH += ";$env:GeckoWebDriver"
+          python -m pytest -vv -n auto --junitxml=junit/test-results.xml --cov=interpret --cov-report=xml --cov-report=html
+      - name: Publish test results
+        if: success() || failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: test_results_${{ matrix.name }}
+          path: tmp/zqmr/t/junit/test-results.xml
+      - name: Publish code coverage results
+        if: startsWith(matrix.image.name, 'windows')
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage_results_${{ matrix.name }}
+          path: tmp/zqmr/t/coverage.xml