diff --git a/.github/workflows/scripts/build_module.sh b/.github/workflows/scripts/build_module.sh
index 7c1673ed94..0d712940bf 100755
--- a/.github/workflows/scripts/build_module.sh
+++ b/.github/workflows/scripts/build_module.sh
@@ -2,15 +2,15 @@
 
 MODULE_NAME=$1
 COMMAND=$2
+CURRENT_OS=$3
+CURRENT_PYTHON=$4
 
 echo "Building $MODULE_NAME..."
 $COMMAND
 BUILD_EXIT=$?
-
 if [ $BUILD_EXIT -ne 0 ]; then
-    echo "❌ $MODULE_NAME build FAILED" >> $BUILD_STATUS
+    printf 'BUILD_RESULT=%s;%s;%s;failure\n' "$CURRENT_OS" "$CURRENT_PYTHON" "$MODULE_NAME" >> "$GITHUB_OUTPUT"
 else
-    echo "✅ $MODULE_NAME build SUCCESS" >> $BUILD_STATUS
+    printf 'BUILD_RESULT=%s;%s;%s;success\n' "$CURRENT_OS" "$CURRENT_PYTHON" "$MODULE_NAME" >> "$GITHUB_OUTPUT"
 fi
-
 exit $BUILD_EXIT
\ No newline at end of file
diff --git a/.github/workflows/scripts/check_snapshot_branch.sh b/.github/workflows/scripts/check_snapshot_branch.sh
index 41c3712cc4..3a914670a2 100755
--- a/.github/workflows/scripts/check_snapshot_branch.sh
+++ b/.github/workflows/scripts/check_snapshot_branch.sh
@@ -3,13 +3,15 @@
 repo=$1
 core_version=$2
 
-SNAPSHOT_BRANCH=$(git ls-remote --heads "$repo" | grep -E "refs/heads/$(echo $core_version | grep -q SNAPSHOT && echo "$core_version" || echo "$core_version-SNAPSHOT")" | sed 's/.*refs\/heads\///')
+# Add "-SNAPSHOT" to powsybl-core version if not already there
+core_snapshot_version=$(echo "$core_version" | grep -q SNAPSHOT && echo "$core_version" || echo "$core_version-SNAPSHOT")
+
+# Find if an CI snapshot branch exists
+SNAPSHOT_BRANCH=$(git ls-remote --heads "$repo" | grep -E "refs/heads/ci/core-$core_snapshot_version" | sed 's/.*refs\/heads\///')
 if [ -n "$SNAPSHOT_BRANCH" ]; then
     echo "SNAPSHOT VERSION EXIST: $SNAPSHOT_BRANCH"
-    echo "SNAPSHOT_BRANCH=$SNAPSHOT_BRANCH" >> $GITHUB_ENV
+    echo "SNAPSHOT_BRANCH=$SNAPSHOT_BRANCH" >> "$GITHUB_ENV"
 else
     echo "No SNAPSHOT branch found"
-    echo "SNAPSHOT_BRANCH=main" >> $GITHUB_ENV
-fi
-
-
+    echo "SNAPSHOT_BRANCH=main" >> "$GITHUB_ENV"
+fi
\ No newline at end of file
diff --git a/.github/workflows/snapshot-ci.yml b/.github/workflows/snapshot-ci.yml
index d82834956a..5a5141b1ae 100644
--- a/.github/workflows/snapshot-ci.yml
+++ b/.github/workflows/snapshot-ci.yml
@@ -5,23 +5,26 @@ on:
   schedule:
     - cron: '0 3 * * *'
 
-env:
-  BUILD_STATUS: ${{ github.workspace }}/build_status.txt
-
 jobs:
   build_pypowsybl:
     name: Build ${{ matrix.config.name }} ${{ matrix.python.name }} wheel
     runs-on: ${{ matrix.config.os }}
     outputs:
-      build_status_output: ${{ steps.build_status_step.outputs.build_status_output }} #Output job with build_status.txt content created in Read Build Status step
+      core-version: ${{ env.CORE_VERSION }}
+      olf-version: ${{ env.OLF_VERSION }}
+      diagram-version: ${{ env.DIAGRAM_VERSION }}
+      entsoe-version: ${{ env.ENTSOE_VERSION }}
+      openrao-version: ${{ env.OPENRAO_VERSION }}
+      dependencies-version: ${{ env.DEPENDENCIES_VERSION }}
+      pypowsybl-branch: ${{ env.SNAPSHOT_BRANCH }}
 
     strategy:
       matrix:
         config:
-          - { name: ubuntu, os: ubuntu-20.04}
+          - { name: ubuntu, os: ubuntu-20.04 }
           - { name: darwin, os: macos-13, macosx_deployment_target: "10.16", bdist_wheel_args: "--plat-name macosx-11.0-x86_64" }
-          - { name: darwin-arm64, os: macos-14, macosx_deployment_target: "11", bdist_wheel_args: "--plat-name macosx-11.0-arm64"}
-          - { name: windows, os: windows-2022}
+          - { name: darwin-arm64, os: macos-14, macosx_deployment_target: "11", bdist_wheel_args: "--plat-name macosx-11.0-arm64" }
+          - { name: windows, os: windows-2022 }
         python:
           - { name: cp38, version: '3.8' }
           - { name: cp39, version: '3.9' }
@@ -35,7 +38,7 @@ jobs:
 
     steps:
 
-      #SETUP PYTHON
+      # Setup Python
       - name: Set up Python ${{ matrix.python.version }}
         uses: actions/setup-python@v5
         with:
@@ -43,7 +46,7 @@ jobs:
       - name: Install Python dependencies
         run: python -m pip install --upgrade pip
 
-      #SETUP GRAALVM
+      # Setup GraalVM
       - name: Setup GraalVM
         uses: graalvm/setup-graalvm@v1
         with:
@@ -51,7 +54,7 @@ jobs:
           distribution: 'graalvm'
           github-token: ${{ secrets.GITHUB_TOKEN }}
 
-      #DEFINE SCRIPTS PATH
+      # Define scripts path
       - name: Set up script path
         run: |
           SCRIPTS_PATH="${GITHUB_WORKSPACE}/scripts/.github/workflows/scripts"
@@ -60,151 +63,234 @@ jobs:
           fi
           echo "SCRIPTS_PATH=$SCRIPTS_PATH" >> $GITHUB_ENV  
 
-      #BUILD CORE
+      # Build powsybl-core on main branch
       - name: Checkout core sources
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           repository: powsybl/powsybl-core
           ref: main
           path: powsybl-core
-      - name: Build CORE
+
+      - name: Build powsybl-core
         run: mvn -batch-mode --no-transfer-progress clean install -DskipTests
         working-directory: ./powsybl-core
-      - name: get CORE_VERSION
+
+      - name: Get powsybl-core version
         run: echo "CORE_VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)" >> $GITHUB_ENV
         working-directory: ./powsybl-core
 
-      #CHECKOUT SCRIPT
-      #The script check_snapshot_branch.sh is located in the workflow folder of the pypowsybl repository
-      #It is necessary for checking out the integration branch if it exists (pypowsybl include)
+      # Checkout script
+      # The script check_snapshot_branch.sh is located in the workflow folder of the repository
+      # It is necessary for checking out the integration branch if it exists
       - name: Checkout script
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           sparse-checkout: |
             .github
           sparse-checkout-cone-mode: false
           path: scripts
 
-      #BUILD OPENLOADFLOW
-      - name: Checking for openloadflow snapshot branch
-        run : ${{ env.SCRIPTS_PATH }}/check_snapshot_branch.sh "https://github.com/powsybl/powsybl-open-loadflow.git" ${{ env.CORE_VERSION }}
-      - name: Checkout openloadflow sources
-        uses: actions/checkout@v4
+      # Build Open-Loadflow
+      - name: Checking for powsybl-open-loadflow snapshot branch
+        run: ${{ env.SCRIPTS_PATH }}/check_snapshot_branch.sh "https://github.com/powsybl/powsybl-open-loadflow.git" ${{ env.CORE_VERSION }}
+
+      - name: Checkout powsybl-open-loadflow sources
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           repository: powsybl/powsybl-open-loadflow
           ref: ${{ env.SNAPSHOT_BRANCH }}
           path: powsybl-open-loadflow
-      - name: Change core version
+
+      - name: Change core version in pom.xml
         run: mvn versions:set-property -Dproperty=powsybl-core.version -DnewVersion=${{ env.CORE_VERSION}} -DgenerateBackupPoms=false
         working-directory: ./powsybl-open-loadflow
-      - name: Build LOADFLOW
+
+      - name: Build powsybl-open-loadflow
+        id: build_olf
         continue-on-error: true
-        run: ${{ env.SCRIPTS_PATH }}/build_module.sh "LOADFLOW" "mvn -batch-mode --no-transfer-progress clean install"
+        run: ${{ env.SCRIPTS_PATH }}/build_module.sh "powsybl-open-loadflow" "mvn -batch-mode --no-transfer-progress clean install" ${{ matrix.config.name }}  ${{ matrix.python.name }}
         working-directory: ./powsybl-open-loadflow
-      - name: Get LOADFLOW_VERSION
-        run: echo "LOADFLOW_VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)" >> $GITHUB_ENV
+
+      - name: Store job result
+        if: always()
+        run: |
+          echo "${{ steps.build_olf.outputs.BUILD_RESULT }}" >> job_result_${{ matrix.config.name }}-${{ matrix.python.name }}.txt
+
+      - name: Print file
+        run: |
+          echo "============================================="
+          cat job_result_${{ matrix.config.name }}-${{ matrix.python.name }}.txt
+          echo "============================================="
+
+      - name: Get OLF_VERSION
+        run: echo "OLF_VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)" >> $GITHUB_ENV
         working-directory: ./powsybl-open-loadflow
 
-      #BUILD DIAGRAM
+      # Build powsybl-diagram
       - name: Checking for diagram snapshot branch
-        run : ${{ env.SCRIPTS_PATH }}/check_snapshot_branch.sh  "https://github.com/powsybl/powsybl-diagram.git" ${{ env.CORE_VERSION }}
+        run: ${{ env.SCRIPTS_PATH }}/check_snapshot_branch.sh  "https://github.com/powsybl/powsybl-diagram.git" ${{ env.CORE_VERSION }}
+
       - name: Checkout diagram sources
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           repository: powsybl/powsybl-diagram
           ref: ${{ env.SNAPSHOT_BRANCH }}
           path: powsybl-diagram
-      - name: Change core version
+
+      - name: Change core version in pom.xml
         run: mvn versions:set-property -Dproperty=powsybl-core.version -DnewVersion=${{ env.CORE_VERSION}} -DgenerateBackupPoms=false
         working-directory: ./powsybl-diagram
-      - name: Build DIAGRAM
+
+      - name: Build powsybl-diagram
+        id: build_diagram
         continue-on-error: true
-        run: ${{ env.SCRIPTS_PATH }}/build_module.sh "DIAGRAM" "mvn -batch-mode --no-transfer-progress clean install"
+        run: ${{ env.SCRIPTS_PATH }}/build_module.sh "powsybl-diagram" "mvn -batch-mode --no-transfer-progress clean install" ${{ matrix.config.name }}  ${{ matrix.python.name }}
         working-directory: ./powsybl-diagram
+
+      - name: Store job result
+        if: always()
+        run: |
+          echo "${{ steps.build_diagram.outputs.BUILD_RESULT }}" >> job_result_${{ matrix.config.name }}-${{ matrix.python.name }}.txt
+
+      - name: Print file
+        run: |
+          echo "============================================="
+          cat job_result_${{ matrix.config.name }}-${{ matrix.python.name }}.txt
+          echo "============================================="
+
       - name: Get DIAGRAM_VERSION version
         run: echo "DIAGRAM_VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)" >> $GITHUB_ENV
         working-directory: ./powsybl-diagram
 
-      #BUILD ENTSOE
-      - name: Checking for entsoe snapshot branch
-        run : ${{ env.SCRIPTS_PATH }}/check_snapshot_branch.sh  "https://github.com/powsybl/powsybl-entsoe.git" ${{ env.CORE_VERSION }}
-      - name: Checkout entsoe sources
-        uses: actions/checkout@v4
+      # Build powsybl-entsoe
+      - name: Checking for powsybl-entsoe snapshot branch
+        run: ${{ env.SCRIPTS_PATH }}/check_snapshot_branch.sh  "https://github.com/powsybl/powsybl-entsoe.git" ${{ env.CORE_VERSION }}
+
+      - name: Checkout powsybl-entsoe sources
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           repository: powsybl/powsybl-entsoe
           ref: ${{ env.SNAPSHOT_BRANCH }}
           path: powsybl-entsoe
-      - name: Change core/loadflow version
+
+      - name: Change core/loadflow version in pom.xml
         run: |
           mvn versions:set-property -Dproperty=powsyblcore.version -DnewVersion=${{ env.CORE_VERSION}} -DgenerateBackupPoms=false
-          mvn versions:set-property -Dproperty=powsyblopenloadflow.version -DnewVersion=${{ env.LOADFLOW_VERSION}} -DgenerateBackupPoms=false
+          mvn versions:set-property -Dproperty=powsyblopenloadflow.version -DnewVersion=${{ env.OLF_VERSION}} -DgenerateBackupPoms=false
         working-directory: ./powsybl-entsoe
-      - name: Build ENTSOE
+
+      - name: Build powsybl-entsoe
+        id: build_entsoe
         continue-on-error: true
-        run: ${{ env.SCRIPTS_PATH }}/build_module.sh "ENTSOE" "mvn -batch-mode --no-transfer-progress clean install"
+        run: ${{ env.SCRIPTS_PATH }}/build_module.sh "powsybl-entsoe" "mvn -batch-mode --no-transfer-progress clean install" ${{ matrix.config.name }}  ${{ matrix.python.name }}
         working-directory: ./powsybl-entsoe
+
+      - name: Store job result
+        if: always()
+        run: |
+          echo "${{ steps.build_entsoe.outputs.BUILD_RESULT }}" >> job_result_${{ matrix.config.name }}-${{ matrix.python.name }}.txt
+
+      - name: Print file
+        run: |
+          echo "============================================="
+          cat job_result_${{ matrix.config.name }}-${{ matrix.python.name }}.txt
+          echo "============================================="
+
       - name: Get ENTSOE_VERSION
         run: echo "ENTSOE_VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)" >> $GITHUB_ENV
         working-directory: ./powsybl-entsoe
 
-      #BUILD OPENRAO
-      - name: Checking for openrao snapshot branch
-        run :  ${{ env.SCRIPTS_PATH }}/check_snapshot_branch.sh "https://github.com/powsybl/powsybl-open-rao.git" ${{ env.CORE_VERSION }}
-      - name: Checkout openrao sources
-        uses: actions/checkout@v4
+      # Build powsybl-open-rao
+      - name: Checking for powsybl-open-rao snapshot branch
+        run: ${{ env.SCRIPTS_PATH }}/check_snapshot_branch.sh "https://github.com/powsybl/powsybl-open-rao.git" ${{ env.CORE_VERSION }}
+
+      - name: Checkout powsybl-open-rao sources
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           repository: powsybl/powsybl-open-rao
           ref: ${{ env.SNAPSHOT_BRANCH }}
           path: powsybl-openrao
-      - name: Change core/entsoe/loadflow version
+
+      - name: Change core/entsoe/loadflow version in pom.xml
         run: |
           mvn versions:set-property -Dproperty=powsybl.core.version -DnewVersion=${{ env.CORE_VERSION}} -DgenerateBackupPoms=false
           mvn versions:set-property -Dproperty=powsybl.entsoe.version -DnewVersion=${{ env.ENTSOE_VERSION}} -DgenerateBackupPoms=false
-          mvn versions:set-property -Dproperty=powsybl.openloadflow.version -DnewVersion=${{ env.LOADFLOW_VERSION}} -DgenerateBackupPoms=false
+          mvn versions:set-property -Dproperty=powsybl.openloadflow.version -DnewVersion=${{ env.OLF_VERSION}} -DgenerateBackupPoms=false
         working-directory: ./powsybl-openrao
-      - name: Build OPENRAO
+
+      - name: Build powsybl-open-rao
+        id: build_rao
         continue-on-error: true
-        run: ${{ env.SCRIPTS_PATH }}/build_module.sh "OPENRAO" "mvn -batch-mode --no-transfer-progress clean install"
+        run: ${{ env.SCRIPTS_PATH }}/build_module.sh "powsybl-open-rao" "mvn -batch-mode --no-transfer-progress clean install" ${{ matrix.config.name }} ${{ matrix.python.name }}
         working-directory: ./powsybl-openrao
+
+      - name: Store job result
+        if: always()
+        run: |
+          echo "${{ steps.build_rao.outputs.BUILD_RESULT }}" >> job_result_${{ matrix.config.name }}-${{ matrix.python.name }}.txt
+
+      - name: Print file
+        run: |
+          echo "============================================="
+          cat job_result_${{ matrix.config.name }}-${{ matrix.python.name }}.txt
+          echo "============================================="
+
       - name: Get OPENRAO_VERSION
         run: echo "OPENRAO_VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)" >> $GITHUB_ENV
         working-directory: ./powsybl-openrao
 
-      #BUILD DYNAWO
-      - name: Checking for dynawo snapshot branch
+      # Build powsybl-dynawo
+      - name: Checking for powsybl-dynawo snapshot branch
         run: ${{ env.SCRIPTS_PATH }}/check_snapshot_branch.sh "https://github.com/powsybl/powsybl-dynawo.git" ${{ env.CORE_VERSION }}
-      - name: Checkout dynawo sources
-        uses: actions/checkout@v4
+
+      - name: Checkout powsybl-dynawo sources
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           repository: powsybl/powsybl-dynawo
           ref: ${{ env.SNAPSHOT_BRANCH }}
           path: powsybl-dynawo
-      - name: Change core version
+
+      - name: Change core version in pom.xml
         run: mvn versions:set-property -Dproperty=powsybl-core.version -DnewVersion=${{ env.CORE_VERSION}} -DgenerateBackupPoms=false
         working-directory: ./powsybl-dynawo
-      - name: Build DYNAWO
+
+      - name: Build powsybl-dynawo
+        id: build_dynawo
         continue-on-error: true
-        run: ${{ env.SCRIPTS_PATH }}/build_module.sh "DYNAWO" "mvn -batch-mode --no-transfer-progress clean install"
+        run: ${{ env.SCRIPTS_PATH }}/build_module.sh "powsybl-dynawo" "mvn -batch-mode --no-transfer-progress clean install" ${{ matrix.config.name }}  ${{ matrix.python.name }}
         working-directory: ./powsybl-dynawo
+
+      - name: Store job result
+        if: always()
+        run: |
+          echo "${{ steps.build_dynawo.outputs.BUILD_RESULT }}" >> job_result_${{ matrix.config.name }}-${{ matrix.python.name }}.txt
+
+      - name: Print file
+        run: |
+          echo "============================================="
+          cat job_result_${{ matrix.config.name }}-${{ matrix.python.name }}.txt
+          echo "============================================="
+
       - name: Get DYNAWO_VERSION
         run: echo "DYNAWO_VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)" >> $GITHUB_ENV
         working-directory: ./powsybl-dynawo
 
-      #CHECKOUT_PYPOWSYBL_DEPENCIES
+      # Checkout powsybl-dependencies
       - name: Checkout powsybl-dependencies sources
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           repository: powsybl/powsybl-dependencies
           ref: main
           path: powsybl-dependencies
+
       - name: Get DEPENDENCIES_VERSION
         run: echo "DEPENDENCIES_VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)" >> $GITHUB_ENV
         working-directory: ./powsybl-dependencies
 
-      #UPDATE/INSTALL_PYPOWSYBL_DEPENCIES
-      - name: Update dependencies versions
+      # Update or install powsybl-dependencies
+      - name: Update powsybl-dependencies versions
         run: |
-          mvn versions:set-property -Dproperty=powsybl-open-loadflow.version -DnewVersion=$LOADFLOW_VERSION -DgenerateBackupPoms=false
+          mvn versions:set-property -Dproperty=powsybl-open-loadflow.version -DnewVersion=$OLF_VERSION -DgenerateBackupPoms=false
           mvn versions:set-property -Dproperty=powsybl-core.version -DnewVersion=$CORE_VERSION -DgenerateBackupPoms=false
           mvn versions:set-property -Dproperty=powsybl-diagram.version -DnewVersion=$DIAGRAM_VERSION -DgenerateBackupPoms=false
           mvn versions:set-property -Dproperty=powsybl-dynawo.version -DnewVersion=$DYNAWO_VERSION -DgenerateBackupPoms=false
@@ -217,73 +303,250 @@ jobs:
         run: mvn -batch-mode --no-transfer-progress clean install
         working-directory: ./powsybl-dependencies
 
-      #BUILD PYPOWSYBL
-      - name: Checking dor pypowsybl snapshot branch
+      # Build pypowsybl
+      - name: Checking for pypowsybl snapshot branch
         run: ${{ env.SCRIPTS_PATH }}/check_snapshot_branch.sh "https://github.com/powsybl/pypowsybl.git" ${{ env.CORE_VERSION }}
+
       - name: Checkout pypowsybl
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           repository: powsybl/pypowsybl
           ref: ${{ env.SNAPSHOT_BRANCH }}
           path: pypowsybl
           submodules: true
-      - name: update java/pom.xml
+
+      - name: Update java/pom.xml
         run: mvn versions:set-property -Dproperty=powsybl-dependencies.version -DnewVersion=$DEPENDENCIES_VERSION -DgenerateBackupPoms=false
         working-directory: ./pypowsybl/java
+
       - name: Install requirement.txt
         run: pip3 install -r requirements.txt
         working-directory: ./pypowsybl
+
       - name: Build wheel
         run: python3 setup.py bdist_wheel
         working-directory: ./pypowsybl
+
       - name: Install wheel
         run: python -m pip install dist/*.whl --user
         working-directory: ./pypowsybl
-      - name: check pypowsybl versions
+
+      - name: Check pypowsybl versions
         working-directory: ./pypowsybl/tests
         run: python3 basic_import_test.py
+
       - name: Run tests
         working-directory: ./pypowsybl/tests
         run: pytest
+
       - name: Upload wheel
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # 4.6.0
         with:
           name: pypowsybl-wheel-${{ matrix.config.name }}-${{ matrix.python.name }}
           path: ./pypowsybl/dist/*.whl
 
-      - name: Record Job Name
-        if: failure()
+      - name: Store job result
+        if: always()
         run: |
-          echo "Failed job : Build ${{ matrix.config.name }} ${{ matrix.python.name }} wheel" >> $BUILD_STATUS
+          echo "${{ matrix.config.name }};${{ matrix.python.name }};wheels;${{ job.status }}" >> job_result_${{ matrix.config.name }}-${{ matrix.python.name }}.txt
 
-      - name: Read Build Status
-        if: always()
-        id: build_status_step
+      - name: Print file
         run: |
-          echo "=== BUILD STATUS REPORT ==="
-          cat $BUILD_STATUS
-          echo "=========================="
-          echo "build_status_output<<EOF" >> $GITHUB_OUTPUT
-          cat $BUILD_STATUS >> $GITHUB_OUTPUT
-          echo "EOF" >> $GITHUB_OUTPUT
+          echo "============================================="
+          cat job_result_${{ matrix.config.name }}-${{ matrix.python.name }}.txt
+          echo "============================================="
 
+      - name: Upload job result
+        if: always()
+        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # 4.6.0
+        with:
+          name: job-results_${{ matrix.config.name }}-${{ matrix.python.name }}
+          path: job_result_${{ matrix.config.name }}-${{ matrix.python.name }}.txt
 
-  #SLACK NOTIFICATION ON FAILURE
+  # Slack notification
   notify_slack:
-   needs: build_pypowsybl
-   runs-on: ubuntu-latest
-   if: failure()
-   steps:
-     - name: Send Slack Notification
-       uses: 8398a7/action-slack@v3
-       with:
-         status: ${{ job.status }}
-         text: |
-           :x: *Failed workflow ${{ github.workflow }}*
-           *Failure details:*
-           ```
-           ${{ needs.build_pypowsybl.outputs.build_status_output }}
-           ```
-           See logs: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}
-       env:
-         SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
+    needs: build_pypowsybl
+    runs-on: ubuntu-latest
+    if: always()
+    steps:
+      - name: Download job results
+        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
+
+      - name: Combine job results
+        run: |
+          for dir in job-results_*; do
+            cat "$dir"/* >> combined_job_results.txt
+          done
+          echo "===== Step Result ====="
+          cat combined_job_results.txt
+          echo "======================="
+
+      - name: Determine workflow status
+        id: workflow_status
+        run: |
+          if grep -q "failure" combined_job_results.txt; then
+            echo "icon=❌" >> $GITHUB_OUTPUT
+            echo "status=Failed" >> $GITHUB_OUTPUT
+          else
+            echo "icon=✅" >> $GITHUB_OUTPUT
+            echo "status=Successful" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Format job results
+        id: format_results
+        run: |
+          declare -A success_modules failure_modules seen_modules
+          module_order=()
+          os_set=()
+          python_set=()
+          
+          while IFS=';' read -r os python module status; do
+            # Ignore empty or bad formated lines
+            if [[ -z "$os" || -z "$python" || -z "$module" || -z "$status" ]]; then
+            continue
+            fi
+          
+            # List the modules seen (to keep the order)
+            if [[ -z "${seen_modules[$module]}" ]]; then
+              module_order+=("$module")
+              seen_modules["$module"]=1
+            fi
+          
+            # List the OS and Python versions
+            if [[ ! " ${os_set[*]} " =~ " ${os} " ]]; then
+              os_set+=("$os")
+            fi
+            if [[ ! " ${python_set[*]} " =~ " ${python} " ]]; then
+            python_set+=("$python")
+            fi
+          
+            # List the build status
+            if [[ "$status" == "success" ]]; then
+              success_modules["$module"]+="$os+$python "
+            else
+              failure_modules["$module"]+="$os+$python "
+            fi
+          done < combined_job_results.txt
+          
+          # Format the notification message
+          formatted=""
+          all_success_modules=()
+          for module in "${module_order[@]}"; do
+            if [[ -n "${failure_modules[$module]}" ]]; then
+              failures=$(echo "${failure_modules[$module]}" | sed 's/ $//')
+              failed_all_os=true
+              failed_all_python=true
+              for os in "${os_set[@]}"; do
+                if [[ ! "${failure_modules[$module]}" =~ $os ]]; then
+                  failed_all_os=false
+                  break
+                fi
+              done
+          
+              for python in "${python_set[@]}"; do
+                if [[ ! "${failure_modules[$module]}" =~ $python ]]; then
+                  failed_all_python=false
+                  break
+                fi
+              done
+          
+              if [[ "$module" == "wheels" && "$failed_all_os" == true && "$failed_all_python" == true ]]; then
+                formatted+=":x: Build *$module* on all OS and for all Python versions"$'\\n'
+              elif [[ "$failed_all_os" == true ]]; then
+                formatted+=":x: Build *$module* on all OS"$'\\n'
+              else
+                formatted+=":x: Build *$module* on $failures"$'\\n'
+              fi
+            elif [[ -n "${success_modules[$module]}" ]]; then
+              all_success_modules+=("$module")
+            fi
+          done
+          
+          if [ ${#all_success_modules[@]} -gt 0 ]; then
+            success_list=""
+            for module in "${all_success_modules[@]}"; do
+              if [ -z "$success_list" ]; then
+                success_list="$module"
+              else
+                success_list="$success_list, $module"
+              fi
+            done
+            formatted=":white_check_mark: Build *$success_list*"$'\\n'"$formatted"
+          fi
+          
+          formatted=$(echo -n "$formatted" | sed '$ s/\n$//')
+          
+          echo "formatted_results=${formatted}" >> $GITHUB_OUTPUT
+
+      - name: Prepare Slack payload
+        id: prepare_payload
+        run: |
+          if [ "${{ steps.workflow_status.outputs.status }}" == "Successful" ]; then
+            echo 'payload<<EOF' >> $GITHUB_OUTPUT
+            echo '{
+              "attachments": [{
+                "color": "#319f4b",
+                "blocks": [
+                  {
+                    "type": "section",
+                    "text": {
+                      "type": "mrkdwn",
+                      "text": "${{ steps.workflow_status.outputs.icon }} *${{ steps.workflow_status.outputs.status }} workflow: Snapshot-CI on <https://github.com/powsybl/pypowsybl|pypowsybl>*\n\nBranch built: ${{ needs.build_pypowsybl.outputs.pypowsybl-branch }}\nPowSyBl-Core version used: ${{ needs.build_pypowsybl.outputs.core-version }}\n\nSee logs on <https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}|GitHub>"
+                    }
+                  }
+                ]
+              }]
+            }' >> $GITHUB_OUTPUT
+            echo 'EOF' >> $GITHUB_OUTPUT
+          else
+            echo 'payload<<EOF' >> $GITHUB_OUTPUT
+            echo '{
+              "attachments": [{
+                "color": "#f64538",
+                "blocks": [
+                  {
+                    "type": "section",
+                    "text": {
+                      "type": "mrkdwn",
+                      "text": "${{ steps.workflow_status.outputs.icon }} *${{ steps.workflow_status.outputs.status }} workflow: Snapshot-CI on <https://github.com/powsybl/pypowsybl|pypowsybl>* (branch built: ${{ needs.build_pypowsybl.outputs.pypowsybl-branch }})"
+                    }
+                  },
+                  {
+                    "type": "divider"
+                  },
+                  {
+                    "type": "section",
+                    "text": {
+                      "type": "mrkdwn",
+                      "text": "Workflow details:"
+                    }
+                  },
+                  {
+                    "type": "section",
+                    "text": {
+                      "type": "mrkdwn",
+                      "text": "${{ steps.format_results.outputs.formatted_results }}"
+                    }
+                  },
+                  {
+                    "type": "section",
+                    "text": {
+                      "type": "mrkdwn",
+                      "text": "@channel - See logs on <https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}|GitHub>"
+                    }
+                  }
+                ]
+              }]
+            }' >> $GITHUB_OUTPUT
+            echo 'EOF' >> $GITHUB_OUTPUT
+          fi
+
+      - name: Send Slack Notification
+        uses: 8398a7/action-slack@28ba43ae48961b90635b50953d216767a6bea486 # v3.16.2
+        if: ${{ steps.workflow_status.outputs.status != 'Successful' || github.event_name == 'workflow_dispatch' }}
+        with:
+          author_name: 'pypowsybl on GitHub'
+          status: custom
+          custom_payload: ${{ steps.prepare_payload.outputs.payload }}
+        env:
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_POWSYBL_WEBHOOK_URL }}