diff --git a/.github/workflows/NVHPC.yml b/.github/workflows/NVHPC.yml
index 0d6ad0c4c..f370e9282 100644
--- a/.github/workflows/NVHPC.yml
+++ b/.github/workflows/NVHPC.yml
@@ -38,14 +38,13 @@ jobs:
             os: ubuntu-22.04
             container: nvcr.io/nvidia/nvhpc:23.11-devel-cuda12.3-ubuntu22.04
         python:
-          - ""
-        #   - "3.12"
+          - "3.12"
         config:
           - name: "Release"
             config: "Release"
             SEATBELTS: "ON"
         VISUALISATION: 
-        #   - "ON"
+          - "ON"
           - "OFF"
 
     # Name the job based on matrix/env options
@@ -73,56 +72,59 @@ jobs:
     - name: Add custom problem matchers for annotations
       run: echo "::add-matcher::.github/problem-matchers.json"
 
-    # - name: Select Python
-    #   if: ${{ env.PYTHON != '' && env.FLAMEGPU_BUILD_PYTHON == 'ON' }} 
-    #   uses: actions/setup-python@v4
-    #   with:
-    #     python-version: ${{ env.PYTHON }}
+    - name: Select Python
+      if: ${{ env.PYTHON != '' && env.FLAMEGPU_BUILD_PYTHON == 'ON' }} 
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ env.PYTHON }}
 
     # @todo - is some/all of this still required when using select Python?
-    # - name: Install python dependencies
-    #   if: ${{ env.PYTHON != '' && env.FLAMEGPU_BUILD_PYTHON == 'ON' }}
-    #   run: |
-    #     sudo apt-get install python3-venv
-    #     python3 -m pip install --upgrade wheel build setuptools
+    - name: Install python dependencies
+      if: ${{ env.PYTHON != '' && env.FLAMEGPU_BUILD_PYTHON == 'ON' }}
+      run: |
+        apt-get install python3-venv
+        python3 -m pip install --upgrade wheel build setuptools
 
+    # these conditions need to be based on the version in the container, not the host. Might want tweaking, or just relies on the yml being correct.
     - name: Install Visualisation Dependencies
       if: ${{ startswith(env.OS, 'ubuntu') && env.VISUALISATION == 'ON' }}
       run: |
         # Install ubuntu-20.04 packages
         if [ "$OS" == 'ubuntu-22.04' ]; then 
-            sudo apt-get install -y libglew-dev libfontconfig1-dev libsdl2-dev libdevil-dev libfreetype-dev
+            apt-get install -y libglew-dev libfontconfig1-dev libsdl2-dev libdevil-dev libfreetype-dev
         fi
         if [ "$OS" == 'ubuntu-20.04' ]; then 
-            sudo apt-get install -y libglew-dev libfontconfig1-dev libsdl2-dev libdevil-dev libfreetype-dev
+            apt-get install -y libglew-dev libfontconfig1-dev libsdl2-dev libdevil-dev libfreetype-dev
         fi
         # Install Ubuntu 18.04 packages
         if [ "$OS" == 'ubuntu-18.04' ]; then 
-            sudo apt-get install -y libglew-dev libfontconfig1-dev libsdl2-dev libdevil-dev libfreetype6-dev libgl1-mesa-dev
+             apt-get install -y libglew-dev libfontconfig1-dev libsdl2-dev libdevil-dev libfreetype6-dev libgl1-mesa-dev
         fi
 
-    # - name: Install Swig >= 4.0.2
-    #   run: |
-    #     # Remove existing swig install, so CMake finds the correct swig
-    #     if [ "$OS" == 'ubuntu-20.04' ]; then 
-    #       sudo apt-get remove -y swig swig4.0
-    #     fi
-    #     # Install Ubuntu 18.04 packages
-    #     if [ "$OS" == 'ubuntu-18.04' ]; then 
-    #       sudo apt-get remove -y swig
-    #     fi
-    #     # Install additional apt-based dependencies required to build swig 4.0.2
-    #     sudo apt-get install -y bison
-    #     # Create a local directory to build swig in.
-    #     mkdir -p swig-from-source && cd swig-from-source
-    #     # Install SWIG building from source dependencies
-    #     wget https://github.com/swig/swig/archive/refs/tags/v4.0.2.tar.gz
-    #     tar -zxf v4.0.2.tar.gz
-    #     cd swig-4.0.2/
-    #     ./autogen.sh
-    #     ./configure
-    #     make
-    #     sudo make install
+    # @todo - enforce that $OS is correct. maybe parse lsb_release instead? 
+    # @tood - doubel check this builds with gcc and not nvhpc within the container
+    - name: Install Swig >= 4.0.2
+      run: |
+        # Remove existing swig install, so CMake finds the correct swig
+        if [ "$OS" == 'ubuntu-20.04' ]; then 
+          apt-get remove -y swig swig4.0
+        fi
+        # Install Ubuntu 18.04 packages
+        if [ "$OS" == 'ubuntu-18.04' ]; then 
+          apt-get remove -y swig
+        fi
+        # Install additional apt-based dependencies required to build swig 4.0.2
+        sudo apt-get install -y bison
+        # Create a local directory to build swig in.
+        mkdir -p swig-from-source && cd swig-from-source
+        # Install SWIG building from source dependencies
+        wget https://github.com/swig/swig/archive/refs/tags/v4.0.2.tar.gz
+        tar -zxf v4.0.2.tar.gz
+        cd swig-4.0.2/
+        ./autogen.sh
+        ./configure
+        make
+        make install
 
 
     - name: Configure cmake