diff --git a/.github/actions/python-regression-tests/action.yml b/.github/actions/python-regression-tests/action.yml
new file mode 100644
index 000000000000..d3aaf90d1ce6
--- /dev/null
+++ b/.github/actions/python-regression-tests/action.yml
@@ -0,0 +1,97 @@
+name: Python regression tests
+
+inputs:
+  autotest_data_s3_url:
+    required: false
+    type: string
+    default: "s3://data-autotest/test_data_2024-12-19"
+  build_config:
+    description: "Build config (Release, Debug)"
+    required: true
+    type: string
+  mrbind:
+    required: true
+    type: boolean
+  pytest_args:
+    description: "Additional pytest arguments"
+    required: false
+    type: string
+    default: ""
+  smoke:
+    required: true
+    type: boolean
+  test_artifacts_path:
+    description: "S3 path for test artifacts. Make sure it is unique for different jobs"
+    required: true
+    type: string
+  ubuntu20_arm_workaround:
+    description: "Disable specific tests incompatible with Ubuntu 20.04 ARM configuration"
+    required: false
+    type: boolean
+    default: false
+  upload_test_artifacts:
+    required: true
+    type: boolean
+
+runs:
+  using: composite
+  steps:
+    - name: Debug inputs
+      shell: bash
+      run: |
+        echo << EOF
+        autotest_data_s3_url: ${{ inputs.autotest_data_s3_url }}
+        build_config: ${{ inputs.build_config }}
+        mrbind: ${{ inputs.mrbind }}
+        pytest_args: ${{ inputs.pytest_args }}
+        smoke: ${{ inputs.smoke }}
+        test_artifacts_path: ${{ inputs.test_artifacts_path }}
+        ubuntu20_arm_workaround: ${{ inputs.ubuntu20_arm_workaround }}
+        upload_test_artifacts: ${{ inputs.upload_test_artifacts }}
+        EOF
+
+    # cache management: https://github.com/MeshInspector/MeshLib/actions/caches
+    - name: Cache autotest data from S3 Tests
+      uses: actions/cache@v4
+      with:
+        path: test_data
+        key: ${{ inputs.autotest_data_s3_url }}
+
+    - name: Configure AWS Credentials
+      uses: aws-actions/configure-aws-credentials@v4
+      with:
+        role-to-assume: arn:aws:iam::259351611210:role/GitHubMeshLibAwsCredsRole
+        aws-region: us-east-1
+
+    - name: Copy autotest data from S3 Tests
+      shell: bash
+      run: aws s3 sync ${{ inputs.autotest_data_s3_url }} test_data --delete --no-sign-request --size-only --quiet
+
+    - name: Python Regression Tests
+      if: ${{ runner.os == 'Windows' }}
+      shell: powershell
+      working-directory: source\x64\${{ inputs.build_config }}
+      run: >
+        py -3 ..\..\..\scripts\run_python_test_script.py
+        -d '..\test_regression'
+        -s ${{ inputs.smoke }}
+        -bv ${{ fromJSON( inputs.mrbind ) && '3' || '2' }}
+        -a='${{ inputs.pytest_args }}'
+
+    - name: Python Regression Tests
+      if: ${{ runner.os != 'Windows' }}
+      shell: bash
+      working-directory: build/${{ inputs.build_config }}/bin
+      env:
+        MR_REGRESSION_TESTS_UBUNTUARM2004_MRBIND_ABI_ISSUES: ${{ fromJSON( inputs.ubuntu20_arm_workaround ) && '1' || '0' }}
+      run: >
+        python3 ../../../scripts/run_python_test_script.py
+        -d '../test_regression'
+        -s ${{ inputs.smoke }}
+        -bv ${{ fromJSON( inputs.mrbind ) && '3' || '2' }}
+        -a='${{ inputs.pytest_args }}'
+
+    - name: Copy test artifacts to S3
+      if: ${{ fromJSON( inputs.upload_test_artifacts ) && !cancelled() }}
+      shell: bash
+      run: aws s3 cp pytest_temp 's3://test-artifacts-git/tests/${{ github.run_id }}/${{ inputs.test_artifacts_path }}' --recursive --quiet
diff --git a/.github/workflows/build-test-distribute.yml b/.github/workflows/build-test-distribute.yml
index 90164ede7c72..a6970e100107 100644
--- a/.github/workflows/build-test-distribute.yml
+++ b/.github/workflows/build-test-distribute.yml
@@ -54,7 +54,6 @@ jobs:
     needs: [ config, prepare-image ]
     uses: ./.github/workflows/build-test-windows.yml
     with:
-      autotest_data_s3_url:  ${{ needs.config.outputs.autotest_data_s3_url }}
       full_config_build:     ${{ needs.config.outputs.full_config_build == 'true' }}
       internal_build:        ${{ needs.config.outputs.internal_build == 'true' }}
       upload_artifacts:      ${{ needs.config.outputs.upload_artifacts == 'true' }}
@@ -67,7 +66,6 @@ jobs:
     uses: ./.github/workflows/build-test-ubuntu-arm64.yml
     with:
       app_version:           ${{ needs.config.outputs.app_version }}
-      autotest_data_s3_url:  ${{ needs.config.outputs.autotest_data_s3_url }}
       docker_image_tag:      ${{ needs.config.outputs.docker_image_tag }}
       full_config_build:     ${{ needs.config.outputs.full_config_build == 'true' }}
       internal_build:        ${{ needs.config.outputs.internal_build == 'true' }}
@@ -80,7 +78,6 @@ jobs:
     uses: ./.github/workflows/build-test-ubuntu-x64.yml
     with:
       app_version:           ${{ needs.config.outputs.app_version }}
-      autotest_data_s3_url:  ${{ needs.config.outputs.autotest_data_s3_url }}
       config_matrix:         ${{ needs.config.outputs.ubuntu_x64_config_matrix }}
       docker_image_tag:      ${{ needs.config.outputs.docker_image_tag }}
       full_config_build:     ${{ needs.config.outputs.full_config_build == 'true' }}
@@ -94,7 +91,6 @@ jobs:
     uses: ./.github/workflows/build-test-fedora.yml
     with:
       app_version:           ${{ needs.config.outputs.app_version }}
-      autotest_data_s3_url:  ${{ needs.config.outputs.autotest_data_s3_url }}
       docker_image_tag:      ${{ needs.config.outputs.docker_image_tag }}
       full_config_build:     ${{ needs.config.outputs.full_config_build == 'true' }}
       internal_build:        ${{ needs.config.outputs.internal_build == 'true' }}
@@ -113,7 +109,6 @@ jobs:
     uses: ./.github/workflows/build-test-macos.yml
     with:
       app_version:           ${{ needs.config.outputs.app_version }}
-      autotest_data_s3_url:  ${{ needs.config.outputs.autotest_data_s3_url }}
       full_config_build:     ${{ needs.config.outputs.full_config_build == 'true' }}
       internal_build:        ${{ needs.config.outputs.internal_build == 'true' }}
       upload_artifacts:      ${{ needs.config.outputs.upload_artifacts == 'true' }}
diff --git a/.github/workflows/build-test-fedora.yml b/.github/workflows/build-test-fedora.yml
index b514f8369880..cc820ca206ca 100644
--- a/.github/workflows/build-test-fedora.yml
+++ b/.github/workflows/build-test-fedora.yml
@@ -6,9 +6,6 @@ on:
       app_version:
         required: true
         type: string
-      autotest_data_s3_url:
-        required: true
-        type: string
       docker_image_tag:
         required: true
         type: string
@@ -128,37 +125,15 @@ jobs:
         working-directory: ./build/${{ matrix.config }}/bin
         run: python3 ./../../../scripts/run_python_test_script.py -d '../test_python'
 
-      - name: Configure AWS Credentials
-        if: ${{ inputs.upload_test_artifacts && inputs.internal_build }}
-        uses: aws-actions/configure-aws-credentials@v4
-        with:
-          role-to-assume: arn:aws:iam::259351611210:role/GitHubMeshLibAwsCredsRole
-          aws-region: us-east-1
-
-      # cache managment: https://github.com/MeshInspector/MeshLib/actions/caches
-      - name: Cache autotest data from S3 Tests
-        if: ${{ inputs.internal_build }}
-        id: cache-autotest
-        uses: actions/cache@v4
-        with:
-          path: ./test_data
-          key: ${{ inputs.autotest_data_s3_url }}
-
-      - name: Copy autotest data from S3 Tests
-        if: ${{ inputs.internal_build }}
-        run: aws s3 sync ${{ inputs.autotest_data_s3_url }} ./test_data --delete --no-sign-request --size-only
-
       - name: Python Regression Tests
-        env:
-          SMOKE: ${{ inputs.internal_build && !inputs.full_config_build && matrix.config == 'Debug' }}
-          BINDS_V: ${{ fromJSON('[2,3]')[inputs.mrbind || 0] }}
         if: ${{ inputs.internal_build }}
-        working-directory: ./build/${{ matrix.config }}/bin
-        run: python3 ./../../../scripts/run_python_test_script.py -d '../test_regression' -s ${{env.SMOKE}} -bv ${{env.BINDS_V}}
-
-      - name: Copy test artifacts to S3
-        if: ${{ inputs.upload_test_artifacts && inputs.internal_build && !cancelled() }}
-        run: aws s3 cp ./pytest_temp 's3://test-artifacts-git/tests/${{github.run_id}}/fedora/${{matrix.os}}/${{matrix.config}}' --recursive
+        uses: ./.github/actions/python-regression-tests
+        with:
+          build_config: ${{ matrix.config }}
+          mrbind: false
+          smoke: ${{ !inputs.full_config_build && matrix.config == 'Debug' }}
+          test_artifacts_path: fedora/${{ matrix.os }}/${{ matrix.config }}
+          upload_test_artifacts: ${{ inputs.upload_test_artifacts }}
 
       - name: Create RPM
         if: ${{ matrix.config == 'Release' && matrix.compiler == 'GCC 13' }}
diff --git a/.github/workflows/build-test-macos.yml b/.github/workflows/build-test-macos.yml
index 95954e3cbd54..3df3afee553c 100644
--- a/.github/workflows/build-test-macos.yml
+++ b/.github/workflows/build-test-macos.yml
@@ -6,9 +6,6 @@ on:
       app_version:
         required: true
         type: string
-      autotest_data_s3_url:
-        required: true
-        type: string
       full_config_build:
         default: false
         required: false
@@ -135,37 +132,15 @@ jobs:
         working-directory: ./build/${{ matrix.config }}/bin
         run: python3 ./../../../scripts/run_python_test_script.py -d '../test_python'
 
-      - name: Configure AWS Credentials
-        if: ${{ inputs.upload_test_artifacts && inputs.internal_build }}
-        uses: aws-actions/configure-aws-credentials@v4
-        with:
-          role-to-assume: arn:aws:iam::259351611210:role/GitHubMeshLibAwsCredsRole
-          aws-region: us-east-1
-
-      # cache managment: https://github.com/MeshInspector/MeshLib/actions/caches
-      - name: Cache autotest data from S3 Tests
-        if: ${{ inputs.internal_build }}
-        id: cache-autotest
-        uses: actions/cache@v4
-        with:
-          path: ./test_data
-          key: ${{ inputs.autotest_data_s3_url }}
-
-      - name: Copy autotest data from S3 Tests
-        if: ${{ inputs.internal_build }}
-        run: aws s3 sync ${{ inputs.autotest_data_s3_url }} ./test_data --delete --no-sign-request --size-only
-
       - name: Python Regression Tests
-        env:
-          SMOKE: ${{ inputs.internal_build && !inputs.full_config_build && matrix.config == 'Debug' }}
-          BINDS_V: ${{ fromJSON('[2,3]')[inputs.mrbind || 0] }}
         if: ${{ inputs.internal_build }}
-        working-directory: ./build/${{ matrix.config }}/bin
-        run: python3 ./../../../scripts/run_python_test_script.py -d '../test_regression' -s ${{env.SMOKE}} -bv ${{env.BINDS_V}}
-
-      - name: Copy test artifacts to S3
-        if: ${{ inputs.upload_test_artifacts && inputs.internal_build && !cancelled() }}
-        run: aws s3 cp ./pytest_temp 's3://test-artifacts-git/tests/${{github.run_id}}/macos/${{matrix.os}}' --recursive
+        uses: ./.github/actions/python-regression-tests
+        with:
+          build_config: ${{ matrix.config }}
+          mrbind: ${{ inputs.mrbind }}
+          smoke: ${{ !inputs.full_config_build && matrix.config == 'Debug' }}
+          test_artifacts_path: macos/${{ matrix.os }}
+          upload_test_artifacts: ${{ inputs.upload_test_artifacts }}
 
       - name: Create Pkg
         if: ${{ inputs.upload_artifacts && matrix.config == 'Release' }}
diff --git a/.github/workflows/build-test-ubuntu-arm64.yml b/.github/workflows/build-test-ubuntu-arm64.yml
index 613542180de2..8d540a820784 100644
--- a/.github/workflows/build-test-ubuntu-arm64.yml
+++ b/.github/workflows/build-test-ubuntu-arm64.yml
@@ -6,9 +6,6 @@ on:
       app_version:
         required: true
         type: string
-      autotest_data_s3_url:
-        required: true
-        type: string
       docker_image_tag:
         required: true
         type: string
@@ -166,38 +163,17 @@ jobs:
         working-directory: ./build/${{ matrix.config }}/bin
         run: python3 ./../../../scripts/run_python_test_script.py -d '../test_python'
 
-      - name: Configure AWS Credentials
-        if: ${{ inputs.upload_test_artifacts && inputs.internal_build }}
-        uses: aws-actions/configure-aws-credentials@v4
-        with:
-          role-to-assume: arn:aws:iam::259351611210:role/GitHubMeshLibAwsCredsRole
-          aws-region: us-east-1
-
-      # cache managment: https://github.com/MeshInspector/MeshLib/actions/caches
-      - name: Cache autotest data from S3 Tests
-        if: ${{ inputs.internal_build }}
-        id: cache-autotest
-        uses: actions/cache@v4
-        with:
-          path: ./test_data
-          key: ${{ inputs.autotest_data_s3_url }}
-
-      - name: Copy autotest data from S3 Tests
-        if: ${{ inputs.internal_build }}
-        run: aws s3 sync ${{ inputs.autotest_data_s3_url }} ./test_data --delete --no-sign-request --size-only
-
       - name: Python Regression Tests
-        env:
-          SMOKE: ${{ inputs.internal_build && !inputs.full_config_build && matrix.config == 'Debug' }}
-          MR_REGRESSION_TESTS_UBUNTUARM2004_MRBIND_ABI_ISSUES: ${{ fromJSON('[0,1]')[matrix.os == 'ubuntu20' && inputs.mrbind] }}
-          BINDS_V: ${{ fromJSON('[2,3]')[inputs.mrbind || 0] }}
         if: ${{ inputs.internal_build }}
-        working-directory: ./build/${{ matrix.config }}/bin
-        run: python3 ./../../../scripts/run_python_test_script.py -d '../test_regression' -s ${{env.SMOKE}} -bv ${{env.BINDS_V}} -a="--run-cuda=negative"
-
-      - name: Copy test artifacts to S3
-        if: ${{ inputs.upload_test_artifacts && inputs.internal_build && !cancelled() }}
-        run: aws s3 cp ./pytest_temp 's3://test-artifacts-git/tests/${{github.run_id}}/ubuntu_arm64//${{matrix.os}}' --recursive
+        uses: ./.github/actions/python-regression-tests
+        with:
+          build_config: ${{ matrix.config }}
+          mrbind: ${{ inputs.mrbind }}
+          pytest_args: "--run-cuda=negative"
+          smoke: ${{ !inputs.full_config_build && matrix.config == 'Debug' }}
+          test_artifacts_path: ubuntu_arm64/${{ matrix.os }}
+          ubuntu20_arm_workaround: ${{ inputs.mrbind && matrix.os == 'ubuntu20' }}
+          upload_test_artifacts: ${{ inputs.upload_test_artifacts }}
 
       - name: Create Deb
         env:
diff --git a/.github/workflows/build-test-ubuntu-x64.yml b/.github/workflows/build-test-ubuntu-x64.yml
index 02e151303c08..de8e624dcb47 100644
--- a/.github/workflows/build-test-ubuntu-x64.yml
+++ b/.github/workflows/build-test-ubuntu-x64.yml
@@ -6,9 +6,6 @@ on:
       app_version:
         required: true
         type: string
-      autotest_data_s3_url:
-        required: true
-        type: string
       config_matrix:
         required: true
         type: string
@@ -132,37 +129,16 @@ jobs:
         working-directory: ./build/${{ matrix.config }}/bin
         run: python3 ./../../../scripts/run_python_test_script.py -d '../test_python'
 
-      - name: Configure AWS Credentials
-        if: ${{ inputs.upload_test_artifacts && inputs.internal_build }}
-        uses: aws-actions/configure-aws-credentials@v4
-        with:
-          role-to-assume: arn:aws:iam::259351611210:role/GitHubMeshLibAwsCredsRole
-          aws-region: us-east-1
-
-      # cache managment: https://github.com/MeshInspector/MeshLib/actions/caches
-      - name: Cache autotest data from S3 Tests
-        if: ${{ inputs.internal_build }}
-        id: cache-autotest
-        uses: actions/cache@v4
-        with:
-          path: ./test_data
-          key: ${{ inputs.autotest_data_s3_url }}
-
-      - name: Copy autotest data from S3 Tests
-        if: ${{ inputs.internal_build }}
-        run: aws s3 sync ${{ inputs.autotest_data_s3_url }} ./test_data --delete --no-sign-request --size-only
-
       - name: Python Regression Tests
-        env:
-          SMOKE: ${{ inputs.internal_build && !inputs.full_config_build && matrix.config == 'Debug' }}
-          BINDS_V: ${{ fromJSON('[2,3]')[inputs.mrbind || 0] }}
         if: ${{ inputs.internal_build }}
-        working-directory: ./build/${{ matrix.config }}/bin
-        run: python3 ./../../../scripts/run_python_test_script.py -d '../test_regression' -s ${{env.SMOKE}} -bv ${{env.BINDS_V}} -a="--run-cuda=negative"
-
-      - name: Copy test artifacts to S3
-        if: ${{ inputs.upload_test_artifacts && inputs.internal_build && !cancelled() }}
-        run: aws s3 cp ./pytest_temp 's3://test-artifacts-git/tests/${{github.run_id}}/${{matrix.os}}/${{matrix.config}}/${{matrix.compiler}}' --recursive
+        uses: ./.github/actions/python-regression-tests
+        with:
+          build_config: ${{ matrix.config }}
+          mrbind: ${{ inputs.mrbind }}
+          pytest_args: "--run-cuda=negative"
+          smoke: ${{ !inputs.full_config_build && matrix.config == 'Debug' }}
+          test_artifacts_path: ${{ matrix.os }}/${{matrix.config}}/${{matrix.compiler}}
+          upload_test_artifacts: ${{ inputs.upload_test_artifacts }}
 
       - name: Create Deb
         if: ${{ matrix.compiler == 'GCC' && matrix.config == 'Release' }}
diff --git a/.github/workflows/build-test-windows.yml b/.github/workflows/build-test-windows.yml
index b12d3594e94e..968dafd26d14 100644
--- a/.github/workflows/build-test-windows.yml
+++ b/.github/workflows/build-test-windows.yml
@@ -3,9 +3,6 @@ name: Build and test Windows
 on:
   workflow_call:
     inputs:
-      autotest_data_s3_url:
-        required: true
-        type: string
       full_config_build:
         default: false
         required: false
@@ -59,6 +56,7 @@ jobs:
 
     env:
       BUILD_C_SHARP: ${{ matrix.runner == 'windows-2022' }}
+      PYTEST_C_SHARP_ARGS: --run-c-sharp-samples --csharp-sample-dir=..\source\x64\${{ matrix.config }}
 
     steps:
       - name: Checkout
@@ -218,31 +216,16 @@ jobs:
         working-directory: source\x64\${{ matrix.config }}
         run: py -3 ..\..\..\scripts\run_python_test_script.py -d '..\test_python'
 
-      # cache managment: https://github.com/MeshInspector/MeshLib/actions/caches
-      - name: Cache autotest data from S3 Tests
-        if: ${{ inputs.internal_build }}
-        id: cache-autotest
-        uses: actions/cache@v4
-        with:
-          path: test_data
-          key: ${{inputs.autotest_data_s3_url}}
-
-      - name: Copy autotest data from S3 Tests
-        if: ${{ inputs.internal_build }}
-        run: aws s3 sync ${{inputs.autotest_data_s3_url}} .\test_data --delete --no-sign-request --size-only
-
       - name: Python Regression Tests
-        env:
-          SMOKE: ${{ inputs.internal_build && !inputs.full_config_build && matrix.config == 'Debug' }}
-          BINDS_V: ${{ fromJSON('[2,3]')[inputs.mrbind || 0] }}
-          C_SHARP_TEST: ${{ fromJSON('["","--run-c-sharp-samples"]')[ env.BUILD_C_SHARP == 'true' || 0] }}
         if: ${{ inputs.internal_build }}
-        working-directory: source\x64\${{ matrix.config }}
-        run: py -3 ..\..\..\scripts\run_python_test_script.py -d '..\test_regression' -s ${{env.SMOKE}} -bv ${{env.BINDS_V}} -a="${{env.C_SHARP_TEST}} --csharp-sample-dir=..\source\x64\${{ matrix.config }} --run-cuda=negative"
-
-      - name: Copy test artifacts to S3
-        if: ${{ inputs.upload_test_artifacts && inputs.internal_build && !cancelled() }}
-        run: aws s3 cp ./pytest_temp 's3://test-artifacts-git/tests/${{github.run_id}}/windows//${{matrix.runner}}/${{matrix.config}}' --recursive
+        uses: ./.github/actions/python-regression-tests
+        with:
+          build_config: ${{ matrix.config }}
+          mrbind: ${{ inputs.mrbind }}
+          pytest_args: "${{ env.BUILD_C_SHARP == 'true' && env.PYTEST_C_SHARP_ARGS || '' }} --run-cuda=negative"
+          smoke: ${{ !inputs.full_config_build && matrix.config == 'Debug' }}
+          test_artifacts_path: windows/${{ matrix.runner }}/${{ matrix.config }}
+          upload_test_artifacts: ${{ inputs.upload_test_artifacts }}
 
       - name: Archive files # https://github.com/actions/download-artifact#maintaining-file-permissions-and-case-sensitive-files
         if: ${{ inputs.upload_artifacts && matrix.runner == 'windows-2019' }}
diff --git a/.github/workflows/config.yml b/.github/workflows/config.yml
index 857e45e67130..f66bc44ca075 100644
--- a/.github/workflows/config.yml
+++ b/.github/workflows/config.yml
@@ -4,9 +4,6 @@ on:
   workflow_call:
     outputs:
       # manually defined values
-      autotest_data_s3_url:
-        description:
-        value: "s3://data-autotest/test_data_2024-12-19"
       vcpkg_version:
         description: "vcpkg version"
         value: "2024.10.21" # VCPKG-AUTO-UPDATE - refer 'vcpkg-auto-update.yml' for more info