diff --git a/.github/workflows/build-wheels-push.yml b/.github/workflows/build-wheels-push.yml
index 394ea0987f..45b6e7354c 100644
--- a/.github/workflows/build-wheels-push.yml
+++ b/.github/workflows/build-wheels-push.yml
@@ -1,17 +1,39 @@
 name: build-wheels-push
 
-# on: push
+on: push
  
-on:
- release:
-   types:
-     - published
+# on:
+#  release:
+#    types:
+#      - published
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
+  build_sdist:
+    name: Build source distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Build sdist
+        shell: bash -l {-1}
+        run: pipx run build --sdist
+
+      - name: Check metadata
+        run: pipx run twine check python/dist/*
+
+      - uses: actions/upload-artifact@v3
+        with:
+          name: cibw-sdist
+          path: python/dist/*.tar.gz
+
+      # - uses: actions/upload-artifact@v2
+      #   with:
+      #     path: dist/*.tar.gz
+
   build_wheels:
     name: Build wheel for ${{ matrix.python }}-${{ matrix.buildplat[1] }}
     runs-on: ${{ matrix.buildplat[0] }}
@@ -54,39 +76,64 @@ jobs:
         uses: pypa/cibuildwheel@v2.19
         env:
           CIBW_BUILD: ${{ matrix.python }}-${{ matrix.buildplat[1] }}
-      - uses: actions/upload-artifact@v3
+      # - uses: actions/upload-artifact@v3
+      #   with:
+      #     path: ./wheelhouse/*.whl
+
+      - uses: actions/upload-artifact@v4
         with:
-          path: ./wheelhouse/*.whl
+          name: cibw-wheels-${{ matrix.python }}-${{ matrix.buildplat[1] }}
+          path: wheelhouse/*.whl
 
-  build_sdist:
-    name: Build source distribution
+  upload_testpypi:
+    name: >-
+      Publish highspy to TestPyPI
     runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
+    needs: [build_wheels, build_sdist]
 
-      - name: Build sdist
-        shell: bash -l {0}
-        run: pipx run build --sdist
+    # upload to PyPI on every tag starting with 'v'
+    # if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
 
-      - uses: actions/upload-artifact@v3
+    environment:
+      name: testpypi
+      url: https://testpypi.org/p/highspy
+
+    permissions:
+      id-token: write  # IMPORTANT: mandatory for trusted publishing
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          pattern: cibw-*
+          path: dist
+          merge-multiple: true
+      # - uses: actions/download-artifact@v3
+      #   with:
+      #     # unpacks default artifact into dist/
+      #     # if `name: artifact` is omitted, the action will create extra parent dir
+      #     name: artifact
+      #     path: dist
+
+      - name: Download all
+        uses: pypa/gh-action-pypi-publish@release/v1
         with:
-          path: dist/*.tar.gz
+          repository-url: https://test.pypi.org/legacy/
 
-  # upload_testpypi:
+  # upload_pypi:
   #   name: >-
-  #     Publish highspy to TestPyPI
+  #     Publish highspy to PyPI
   #   runs-on: ubuntu-latest
   #   needs: [build_wheels, build_sdist]
 
   #   # upload to PyPI on every tag starting with 'v'
-  #   # if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
+  #   if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
 
   #   environment:
-  #     name: testpypi
-  #     url: https://testpypi.org/p/highspy
+  #     name: pypi
+  #     url: https://pypi.org/p/highspy
 
   #   permissions:
   #     id-token: write  # IMPORTANT: mandatory for trusted publishing
+
   #   steps:
   #     - uses: actions/download-artifact@v3
   #       with:
@@ -97,32 +144,3 @@ jobs:
 
   #     - name: Download all
   #       uses: pypa/gh-action-pypi-publish@release/v1
-  #       with:
-  #         repository-url: https://test.pypi.org/legacy/
-
-  upload_pypi:
-    name: >-
-      Publish highspy to PyPI
-    runs-on: ubuntu-latest
-    needs: [build_wheels, build_sdist]
-
-    # upload to PyPI on every tag starting with 'v'
-    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
-
-    environment:
-      name: pypi
-      url: https://pypi.org/p/highspy
-
-    permissions:
-      id-token: write  # IMPORTANT: mandatory for trusted publishing
-
-    steps:
-      - uses: actions/download-artifact@v3
-        with:
-          # unpacks default artifact into dist/
-          # if `name: artifact` is omitted, the action will create extra parent dir
-          name: artifact
-          path: dist
-
-      - name: Download all
-        uses: pypa/gh-action-pypi-publish@release/v1