diff --git a/.github/workflows/action_compliance.yaml b/.github/workflows/action_compliance.yaml
index f24c6b508d..df44d2e1a1 100644
--- a/.github/workflows/action_compliance.yaml
+++ b/.github/workflows/action_compliance.yaml
@@ -13,7 +13,8 @@ jobs:
   action-pin:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
+      - name: checkout
+        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
       - name: Ensure SHA pinned actions
         uses: zgosalvez/github-actions-ensure-sha-pinned-actions@0901cf7b71c7ea6261ec69a3dc2bd3f9264f893e # v3.0.12
         with:
@@ -23,7 +24,9 @@ jobs:
   action-lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
-
+      - name: checkout
+        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
+      - name: check-missing-teardown
+        run: ./workflows/scripts/teardown-check.sh
       - name: actionlint
         uses: raven-actions/actionlint@01fce4f43a270a612932cb1c64d40505a029f821 # v2.0.0
diff --git a/.github/workflows/commit_compliance.yml b/.github/workflows/commit_compliance.yml
index fe0f13e8de..8c5ae9d9d3 100644
--- a/.github/workflows/commit_compliance.yml
+++ b/.github/workflows/commit_compliance.yml
@@ -27,11 +27,23 @@ jobs:
       - name: Check commit signatures
         uses: 1Password/check-signed-commits-action@ed2885f3ed2577a4f5d3c3fe895432a557d23d52
 
-  linelint:
+  files-lint:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
+      - name: checkout
         uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
-      - name: Linelint
+      - name: linelint
         uses: fernandrone/linelint@8136e0fa9997122d80f5f793e0bb9a45e678fbb1 # 0.0.4
         id: linelint
+      - name: markdown-link-check
+        uses: gaurav-nelson/github-action-markdown-link-check@5c5dfc0ac2e225883c0e5f03a85311ec2830d368 # v1
+        with:
+          use-quiet-mode: 'yes'
+          use-verbose-mode: 'yes'
+      - name: Slack Notification
+        if: ${{ failure() && github.ref == 'refs/heads/main' }}
+        continue-on-error: true
+        uses: rtCamp/action-slack-notify@4e5fb42d249be6a45a298f3c9543b111b02f7907
+        env:
+          SLACK_COLOR: ${{ job.status }}
+          SLACK_MESSAGE: "files-lint finished with status: ${{ job.status }}. (${{ env.ACTION_RUN_URL }})"
diff --git a/.github/workflows/concrete_compiler_publish_docker_images.yml b/.github/workflows/concrete_compiler_publish_docker_images.yml
index 5209190fb8..be21a7ae37 100644
--- a/.github/workflows/concrete_compiler_publish_docker_images.yml
+++ b/.github/workflows/concrete_compiler_publish_docker_images.yml
@@ -185,3 +185,26 @@ jobs:
         env:
           SLACK_COLOR: ${{ job.status }}
           SLACK_MESSAGE: "cuda-image finished with status: ${{ job.status }}. (${{ env.ACTION_RUN_URL }})"
+
+  teardown-instane:
+    name: Teardown instance
+    needs: [ setup-instance, compiler-image ]
+    if: ${{ always() && needs.setup-instance.result != 'skipped' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Stop instance
+        id: stop-instance
+        uses: zama-ai/slab-github-runner@c0e7168795bd78f61f61146951ed9d0c73c9b701
+        with:
+          mode: stop
+          github-token: ${{ secrets.SLAB_ACTION_TOKEN }}
+          slab-url: ${{ secrets.SLAB_BASE_URL }}
+          job-secret: ${{ secrets.JOB_SECRET }}
+          label: ${{ needs.setup-instance.outputs.runner-name }}
+      - name: Slack Notification
+        if: ${{ failure() }}
+        continue-on-error: true
+        uses: rtCamp/action-slack-notify@4e5fb42d249be6a45a298f3c9543b111b02f7907
+        env:
+          SLACK_COLOR: ${{ job.status }}
+          SLACK_MESSAGE: "Instance teardown finished with status: ${{ job.status }}. (${{ env.ACTION_RUN_URL }})"
\ No newline at end of file
diff --git a/.github/workflows/concrete_compiler_test_gpu.yml b/.github/workflows/concrete_compiler_test_gpu.yml
index 58f4d8d551..0e674e293a 100644
--- a/.github/workflows/concrete_compiler_test_gpu.yml
+++ b/.github/workflows/concrete_compiler_test_gpu.yml
@@ -81,3 +81,26 @@ jobs:
         env:
           SLACK_COLOR: ${{ job.status }}
           SLACK_MESSAGE: "build-and-run-test finished with status: ${{ job.status }}. (${{ env.ACTION_RUN_URL }})"
+
+  teardown-instance:
+    needs: [ setup-instance, build-and-test ]
+    if: ${{ always() && needs.setup-instance.result != 'skipped' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Stop instance
+        id: stop-instance
+        uses: zama-ai/slab-github-runner@c0e7168795bd78f61f61146951ed9d0c73c9b701
+        with:
+          mode: stop
+          github-token: ${{ secrets.SLAB_ACTION_TOKEN }}
+          slab-url: ${{ secrets.SLAB_BASE_URL }}
+          job-secret: ${{ secrets.JOB_SECRET }}
+          label: ${{ needs.setup-instance.outputs.runner-name }}
+
+      - name: Slack Notification
+        if: ${{ failure() }}
+        continue-on-error: true
+        uses: rtCamp/action-slack-notify@4e5fb42d249be6a45a298f3c9543b111b02f7907
+        env:
+          SLACK_COLOR: ${{ job.status }}
+          SLACK_MESSAGE: "Instance teardown finished with status: ${{ job.status }}. (${{ env.ACTION_RUN_URL }})"
diff --git a/.github/workflows/concrete_python_benchmark.yml b/.github/workflows/concrete_python_benchmark.yml
index 34fcf6a7df..5142d117c2 100644
--- a/.github/workflows/concrete_python_benchmark.yml
+++ b/.github/workflows/concrete_python_benchmark.yml
@@ -13,7 +13,10 @@ on:
       - 'release/*'
 env:
   DOCKER_IMAGE: ghcr.io/zama-ai/concrete-compiler
-  GLIB_VER: 2_28
+
+concurrency:
+  group: concrete_python_benchmark_${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
 
 jobs:
   setup-instance:
@@ -73,7 +76,7 @@ jobs:
             export COMPILER_BUILD_DIRECTORY="/build"
             # TODO output setup-instance (https://github.com/zama-ai/slab-github-runner/issues/38)
             export PROGRESS_MACHINE_NAME="hpc7a.96xlarge"
-            
+
             make benchmark
             make process-benchmark-results-for-grafana
 
@@ -91,9 +94,9 @@ jobs:
         run: |
           echo "Computing HMac on results file"
           SIGNATURE="$(slab/scripts/hmac_calculator.sh frontends/concrete-python/progress.processed.json '${{ secrets.JOB_SECRET }}')"
-          
+
           cd frontends/concrete-python
-          
+
           echo "Sending results to Slab..."
           curl -v -k \
             -H "Content-Type: application/json" \
@@ -102,6 +105,13 @@ jobs:
             -H "X-Hub-Signature-256: sha256=${SIGNATURE}" \
             -d @progress.processed.json \
             ${{ secrets.SLAB_URL }}
+      - name: Slack Notification
+        if: ${{ failure() && github.ref == 'refs/heads/main' }}
+        continue-on-error: true
+        uses: rtCamp/action-slack-notify@4e5fb42d249be6a45a298f3c9543b111b02f7907
+        env:
+          SLACK_COLOR: ${{ job.status }}
+          SLACK_MESSAGE: "concrete-python-benchmarks finished with status: ${{ job.status }}. (${{ env.ACTION_RUN_URL }})"
 
   teardown-instance:
     if: ${{ always() && needs.setup-instance.result != 'skipped' }}
diff --git a/.github/workflows/concrete_python_push_docker_image.yml b/.github/workflows/concrete_python_push_docker_image.yml
deleted file mode 100644
index f88248a464..0000000000
--- a/.github/workflows/concrete_python_push_docker_image.yml
+++ /dev/null
@@ -1,55 +0,0 @@
-name: Concrete Python Push Docker Image
-on:
-  workflow_dispatch:
-    inputs:
-      tag:
-        description: 'tag to use for the docker image'
-        type: string
-  workflow_call:
-    inputs:
-      tag:
-        description: 'tag to use for the docker image'
-        type: string
-
-env:
-  DOCKER_IMAGE_NAME: zamafhe/concrete-python
-  DOCKER_FILE: docker/Dockerfile.concrete-python
-
-jobs:
-  build_and_push:
-    runs-on: ubuntu-22.04
-    steps:
-      - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-
-      - name: Get version from tag
-        run: |
-          # remove leading 'v' and '-' from tag
-          export VERSION=`echo ${{ inputs.tag }} | sed "s/^v*//g" | sed "s/-//g"`
-          echo "VERSION=$VERSION" >> "${GITHUB_ENV}"
-          echo "NAME_TAG=${{ env.DOCKER_IMAGE_NAME }}:v$VERSION" >> "${GITHUB_ENV}"
-
-      - name: Build image
-        run: |
-          mkdir empty_context
-          docker image build -t ${{ env.NAME_TAG }} --build-arg version=${{ env.VERSION }} -f ${{ env.DOCKER_FILE }} empty_context
-
-      # disabled because of https://github.com/aquasecurity/trivy/discussions/7668
-      # - name: Run Trivy vulnerability scanner
-      #   uses: aquasecurity/trivy-action@915b19bbe73b92a6cf82a1bc12b087c9a19a5fe2 # 0.28.0
-      #   with:
-      #     image-ref: '${{ env.NAME_TAG }}'
-      #     format: 'table'
-      #     exit-code: '1'
-      #     ignore-unfixed: true
-      #     vuln-type: 'os,library'
-      #     severity: 'CRITICAL,HIGH'
-
-      - name: Login to Docker Hub
-        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567
-        with:
-          username: ${{ secrets.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
-
-      - name: Push image
-        run: docker image push ${{ env.NAME_TAG }}
diff --git a/.github/workflows/concrete_python_release.yml b/.github/workflows/concrete_python_release.yml
deleted file mode 100644
index 5c4a3c82ab..0000000000
--- a/.github/workflows/concrete_python_release.yml
+++ /dev/null
@@ -1,403 +0,0 @@
-name: Concrete Python Release
-on:
-  workflow_dispatch:
-    inputs:
-      instance_id:
-        description: 'Instance ID'
-        type: string
-      instance_image_id:
-        description: 'Instance AMI ID'
-        type: string
-      instance_type:
-        description: 'Instance product type'
-        type: string
-      runner_name:
-        description: 'Action runner name'
-        type: string
-      request_id:
-        description: 'Slab request ID'
-        type: string
-      user_inputs:
-        description: 'either "nightly" or "public" or "private" to specify the release type'
-        required: true
-        default: 'nightly'
-        type: string
-
-
-env:
-  DOCKER_IMAGE_TEST: ghcr.io/zama-ai/concrete-compiler
-  GLIB_VER: 2_28
-  RELEASE_TYPE: ${{ inputs.user_inputs }}
-
-jobs:
-  release-checks:
-    runs-on: ${{ github.event.inputs.runner_name }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-        with:
-          submodules: recursive
-          fetch-depth: 0
-      - name: Check python api doc is up to date
-        run: ci/scripts/make_apidocs.sh
-
-  build-linux-x86:
-    strategy:
-      matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
-
-    runs-on: ${{ github.event.inputs.runner_name }}
-    steps:
-      - name: Log instance configuration
-        run: |
-          echo "IDs: ${{ inputs.instance_id }}"
-          echo "AMI: ${{ inputs.instance_image_id }}"
-          echo "Type: ${{ inputs.instance_type }}"
-          echo "Request ID: ${{ inputs.request_id }}"
-          echo "User Inputs: ${{ inputs.user_inputs }}"
-
-      - name: Set up GitHub environment
-        run: |
-          echo "HOME=/home/ubuntu" >> "${GITHUB_ENV}"
-
-      - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-        with:
-          submodules: recursive
-          fetch-depth: 0
-
-      - name: Set release version (nightly)
-        if: ${{ env.RELEASE_TYPE == 'nightly' }}
-        run: |
-          NIGHTLY_VERSION=$(date +"%Y.%m.%d")
-          NIGHTLY_VERSION_ONE_NUMBER=$(date +"%Y%m%d")
-          LATEST_RELEASE_VERSION=`git tag -l |grep "v.*" |sort |tail -n 1 | grep -e '[0-9].*' -o`
-          echo "__version__ = \"${LATEST_RELEASE_VERSION}-dev${NIGHTLY_VERSION_ONE_NUMBER}\"" >| frontends/concrete-python/version.txt
-          git tag nightly-$NIGHTLY_VERSION || true
-          git push origin nightly-$NIGHTLY_VERSION || true
-
-      - name: Set release version (public)
-        if: ${{ env.RELEASE_TYPE == 'public' }}
-        run: echo "__version__ = \"`git describe --tags --abbrev=0 | grep -e '[0-9].*' -o`\"" >| frontends/concrete-python/version.txt
-
-      - name: Expose release version from Python
-        run: cp frontends/concrete-python/version.txt frontends/concrete-python/concrete/fhe/version.py
-
-      - name: Build wheel
-        uses: addnab/docker-run-action@4f65fabd2431ebc8d299f8e5a018d79a769ae185 # v3
-        id: build-compiler-bindings
-        with:
-          registry: ghcr.io
-          image: ${{ env.DOCKER_IMAGE_TEST }}
-          username: ${{ secrets.GHCR_LOGIN }}
-          password: ${{ secrets.GHCR_PASSWORD }}
-          options: >-
-            -v ${{ github.workspace }}:/concrete
-            -v ${{ github.workspace }}/build:/build
-            -v ${{ env.SSH_AUTH_SOCK }}:/ssh.socket
-            -e SSH_AUTH_SOCK=/ssh.socket
-            ${{ env.DOCKER_GPU_OPTION }}
-          shell: bash
-          run: |
-            set -e
-
-            rustup toolchain install nightly-2024-09-30
-            pip install mypy
-            rm -rf /build/*
-
-            export PYTHON=${{ format('python{0}', matrix.python-version) }}
-            echo "Using $PYTHON"
-
-            dnf -y install graphviz graphviz-devel
-
-            cd /concrete/frontends/concrete-python
-            make PYTHON=$PYTHON venv
-            source .venv/bin/activate
-
-            cd /concrete/compilers/concrete-compiler/compiler
-            make BUILD_DIR=/build CCACHE=ON DATAFLOW_EXECUTION_ENABLED=ON Python3_EXECUTABLE=$(which python) python-bindings
-
-            echo "Debug: ccache statistics (after the build):"
-            ccache -s
-
-            cd /concrete/frontends/concrete-python
-
-            export COMPILER_BUILD_DIRECTORY="/build"
-            make whl
-
-            deactivate
-
-      - name: Upload wheel
-        uses: actions/upload-artifact@50769540e7f4bd5e21e526ee35c689e35e0d6874 # v4.4.0
-        with:
-          name: ${{ format('wheel-{0}-linux-x86', matrix.python-version) }}
-          path: frontends/concrete-python/dist/*manylinux*.whl
-          retention-days: 3
-
-  build-macos:
-    strategy:
-      matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
-        runs-on: ["aws-mac1-metal", "aws-mac2-metal"]
-
-    runs-on: ${{ matrix.runs-on }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-        with:
-          submodules: recursive
-          fetch-depth: 0
-
-      - name: Install OS Dependencies
-        run: |
-          brew install ninja ccache
-
-      - name: Setup rust toolchain for concrete-cpu
-        uses: ./.github/workflows/setup_rust_toolchain_for_concrete_cpu
-
-      - name: Set release version (nightly)
-        if: ${{ env.RELEASE_TYPE == 'nightly' }}
-        run: |
-          NIGHTLY_VERSION=$(date +"%Y.%m.%d")
-          NIGHTLY_VERSION_ONE_NUMBER=$(date +"%Y%m%d")
-          LATEST_RELEASE_VERSION=`git tag -l |grep "v.*" |sort |tail -n 1 | grep -e '[0-9].*' -o`
-          echo "__version__ = \"${LATEST_RELEASE_VERSION}-dev${NIGHTLY_VERSION_ONE_NUMBER}\"" >| frontends/concrete-python/version.txt
-
-      - name: Set release version (public)
-        if: ${{ env.RELEASE_TYPE == 'public' }}
-        run: echo "__version__ = \"`git describe --tags --abbrev=0 | grep -e '[0-9].*' -o`\"" >| frontends/concrete-python/version.txt
-
-      - name: Expose release version from Python
-        run: cp frontends/concrete-python/version.txt frontends/concrete-python/concrete/fhe/version.py
-
-      - name: Build wheel
-        run: |
-          export CONCRETE_PYTHON=$(pwd)/frontends/concrete-python
-          export CONCRETE_COMPILER=$(pwd)/compilers/concrete-compiler/compiler
-          export COMPILER_BUILD_DIRECTORY=$CONCRETE_COMPILER/build
-          export PYTHON=${{ format('python{0}', matrix.python-version) }}
-          echo "Using $PYTHON"
-
-          # Setup pkg-config to find OpenBLAS (scipy need it)
-          export PKG_CONFIG_PATH="/opt/homebrew/opt/openblas/lib/pkgconfig"
-
-          # Setup vitual environment
-          rm -rf .venv
-          $PYTHON -m venv .venv && . .venv/bin/activate
-
-          # Install requirements
-          pip install -r $CONCRETE_PYTHON/requirements.txt
-          pip install -r $CONCRETE_PYTHON/requirements.dev.txt
-
-          # Build python bindings of concrete compiler
-          cd $CONCRETE_COMPILER
-          echo "Debug: ccache statistics (prior to the build):" && ccache -s
-          make Python3_EXECUTABLE=$(which python) python-bindings
-          echo "Debug: ccache statistics (after the build):" && ccache -s
-
-          # Build wheel
-          cd $CONCRETE_PYTHON
-          rm -rf dist
-          mkdir -p dist
-          pip wheel -v --no-deps -w dist .
-          delocate-wheel -v dist/*macos*.whl
-
-          deactivate
-
-      - name: Upload wheel
-        uses: actions/upload-artifact@50769540e7f4bd5e21e526ee35c689e35e0d6874 # v4.4.0
-        with:
-          name: ${{ format('wheel-{0}-{1}', matrix.python-version, matrix.runs-on) }}
-          path: frontends/concrete-python/dist/*macos*.whl
-          retention-days: 3
-
-  hash:
-    # Generate hashes for the wheels, used later for provenance.
-    needs: [build-linux-x86, build-macos]
-    runs-on: ubuntu-latest
-    outputs:
-      hash: ${{ steps.hash.outputs.hash }}
-    steps:
-      - uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
-        with:
-          path: frontends/concrete-python/dist
-          pattern: wheel-*
-          merge-multiple: true
-      - name: generate hash
-        id: hash
-        run: cd frontends/concrete-python/dist && echo "hash=$(sha256sum *.whl | base64 -w0)" >> $GITHUB_OUTPUT
-
-  provenance:
-    needs: [hash]
-    permissions:
-      actions: read
-      id-token: write
-      contents: write
-    # Can't pin with hash due to how this workflow works.
-    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v2.0.0
-    with:
-      base64-subjects: ${{ needs.hash.outputs.hash }}
-
-  push:
-    needs: [release-checks, build-linux-x86, build-macos, provenance]
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-        with:
-          fetch-depth: 0
-      - uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
-        with:
-          path: wheels
-          pattern: 'wheel-*'
-          merge-multiple: true
-      - uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
-        with:
-          pattern: '*.intoto.jsonl'
-      # When building a new public tag, create a new draft release.
-      - name: create draft release
-        if: ${{ env.RELEASE_TYPE == 'public'}}
-        run: |
-          export TAG=$(git describe --tags --abbrev=0)
-          echo $TAG
-          gh release create --draft --repo ${{ github.repository }} \
-          --verify-tag $TAG \
-          --title $TAG \
-          wheels/* *.intoto.jsonl/*
-        env:
-          GH_TOKEN: ${{ github.token }}
-      - name: Upload wheels to S3
-        if: ${{ env.RELEASE_TYPE == 'public' || env.RELEASE_TYPE == 'nightly' }}
-        env:
-          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_IAM_ID }}
-          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_IAM_KEY }}
-          AWS_DEFAULT_REGION: ${{ secrets.AWS_REGION }}
-          S3_BUCKET_NAME: ${{ secrets.AWS_S3_PYPI_BUCKET_NAME }}
-          CLOUDFRONT_DISTRIBUTION_ID: ${{ secrets.AWS_CLOUDFRONT_PYPI_DISTRIBUTION_ID }}
-        run: |
-          pip install boto3 bigtree
-          # upload wheels
-          aws s3 sync ./wheels/ s3://${S3_BUCKET_NAME}/cpu/concrete-python
-          # update indexes and invalidate cloudfront cache
-          python .github/workflows/scripts/s3_update_html_indexes.py
-
-      - name: Start pushing Docker images
-        if: ${{ env.RELEASE_TYPE == 'public' }}
-        run: |
-          export TAG=$(git describe --tags --abbrev=0)
-          curl -L \
-            -X POST \
-            -H "Accept: application/vnd.github+json" \
-            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
-            -H "X-GitHub-Api-Version: 2022-11-28" \
-            https://api.github.com/repos/zama-ai/concrete/actions/workflows/concrete_python_push_docker_image.yml/dispatches \
-            -d "{\"ref\": \"$TAG\", \"inputs\": {\"tag\":\"v$TAG\"}}"
-
-  test-linux-x86:
-    needs: [build-linux-x86]
-    continue-on-error: true
-    strategy:
-      matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
-    runs-on: ${{ github.event.inputs.runner_name }}
-    steps:
-      - uses: actions-rust-lang/setup-rust-toolchain@11df97af8e8102fd60b60a77dfbf58d40cd843b8 # v1.10.1
-      - name: Setup Python
-        uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
-        with:
-          python-version: ${{ matrix.python-version }}
-      - name: Download wheels
-        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
-        with:
-          name: ${{ format('wheel-{0}-linux-x86', matrix.python-version) }}
-          path: ${{ format('wheel-{0}-linux-x86', matrix.python-version) }}
-      - name: Checkout the repository
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-        with:
-          submodules: recursive
-          path: repo
-      - name: Test wheel
-        run: |
-          WHEEL_DIR=$(pwd)/${{ format('wheel-{0}-linux-x86', matrix.python-version) }}
-          CONCRETE_PYTHON=$(pwd)/repo/frontends/concrete-python
-
-          # Initialize an empty test environment
-          cd $(mktemp -d)
-          python -m venv .testenv && source .testenv/bin/activate
-
-          # Install the concrete-python wheel
-          pip install $WHEEL_DIR/*.whl
-
-          # Install extra requirements for tests
-          sudo apt update -y
-          sudo apt install -y graphviz libgraphviz-dev
-          pip install -r $CONCRETE_PYTHON/requirements.extra-full.txt
-          pip install -r $CONCRETE_PYTHON/requirements.dev.txt
-
-          # TODO - check for version
-
-          # Copy test files
-          cp -R $CONCRETE_PYTHON/tests .
-          cp -R $CONCRETE_PYTHON/pytest.ini .
-          cp $CONCRETE_PYTHON/Makefile .
-
-          # Running tests
-          make tfhers-utils
-          pytest tests -svv -n auto
-
-  test-macos:
-    needs: [build-macos]
-    continue-on-error: true
-    strategy:
-      matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
-        runs-on: ["aws-mac1-metal", "aws-mac2-metal"]
-    runs-on: ${{ matrix.runs-on }}
-    steps:
-      - name: Download wheels
-        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
-        with:
-          name: ${{ format('wheel-{0}-{1}', matrix.python-version, matrix.runs-on) }}
-          path: ${{ format('wheel-{0}-{1}', matrix.python-version, matrix.runs-on) }}
-      - name: Checkout the repository
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-        with:
-          submodules: recursive
-          path: repo
-      - name: Test wheel
-        run: |
-          WHEEL_DIR=$(pwd)/${{ format('wheel-{0}-{1}', matrix.python-version, matrix.runs-on) }}
-          CONCRETE_PYTHON=$(pwd)/repo/frontends/concrete-python
-          PYTHON=${{ format('python{0}', matrix.python-version) }}
-
-          # Initialize an empty test environment
-          export TEST_TMP_DIR=$(mktemp -d)
-          echo "TEST_TMP_DIR=$TEST_TMP_DIR" >> "${GITHUB_ENV}"
-          cd $TEST_TMP_DIR
-
-          # Activate virtual environment
-          $PYTHON -m venv .testenv && source .testenv/bin/activate
-
-          # Install extra requirements for tests
-          pip install $WHEEL_DIR/*macos*.whl
-          pip install -r $CONCRETE_PYTHON/requirements.dev.txt
-
-          # MacOS x86 have conflict between our OpenMP library, and one from torch
-          # we fix it by using a single one (from torch)
-          # see discussion: https://discuss.python.org/t/conflicting-binary-extensions-in-different-packages/25332/8
-          export SITE_PACKAGES=$(pwd)/.testenv/lib/$PYTHON_VERSION/site-packages/
-          find $SITE_PACKAGES -not \( -path $SITE_PACKAGES/concrete -prune \) -name 'lib*omp5.dylib' -or -name 'lib*omp.dylib' | xargs -n 1  ln -f -s $SITE_PACKAGES/concrete/.dylibs/libomp.dylib
-
-          # Copy test files
-          cp -R $CONCRETE_PYTHON/tests .
-          cp -R $CONCRETE_PYTHON/pytest.ini .
-          cp $CONCRETE_PYTHON/Makefile .
-
-          # Running tests
-          make tfhers-utils
-          mkdir ./KeySetCache
-          pytest tests -svv -n auto --key-cache "./KeySetCache" -m "not dataflow and not graphviz"
-
-      - name: Cleanup host
-        if: success() || failure()
-        run: |
-          rm -rf $TEST_TMP_DIR
diff --git a/.github/workflows/concrete_python_release_gpu.yml b/.github/workflows/concrete_python_release_gpu.yml
index 26411b5706..e42754be90 100644
--- a/.github/workflows/concrete_python_release_gpu.yml
+++ b/.github/workflows/concrete_python_release_gpu.yml
@@ -1,61 +1,58 @@
-name: Concrete Python Release (GPU)
-
+name: concrete-python release-gpu
 on:
   workflow_dispatch:
-    inputs:
-      instance_id:
-        description: 'Instance ID'
-        type: string
-      instance_image_id:
-        description: 'Instance AMI ID'
-        type: string
-      instance_type:
-        description: 'Instance product type'
-        type: string
-      runner_name:
-        description: 'Action runner name'
-        type: string
-      request_id:
-        description: 'Slab request ID'
-        type: string
-      user_inputs:
-        description: 'either "nightly" or "public" or "private" to specify the release type'
-        required: true
-        default: 'nightly'
-        type: string
+  push:
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
+  schedule:
+    # Nightly Release @ 3AM after each work day
+    - cron: "0 3 * * 2-6"
 
 env:
   DOCKER_IMAGE_TEST: ghcr.io/zama-ai/concrete-compiler
   CUDA_PATH: /usr/local/cuda-11.8
-  GCC_VERSION: 11
-  RELEASE_TYPE: ${{ inputs.user_inputs }}
+  ACTION_RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
+  SLACK_CHANNEL: ${{ secrets.SLACK_CHANNEL }}
+  SLACK_USERNAME: ${{ secrets.BOT_USERNAME }}
+  SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
+  RELEASE_TYPE: ${{ (github.event_name == 'push' && contains(github.ref, 'refs/tags/')) && 'public' || 'nightly' }}
+
+concurrency:
+  group: concrete_python_release_${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
 
 jobs:
+  setup-instance:
+    runs-on: ubuntu-latest
+    outputs:
+      runner-name: ${{ steps.start-instance.outputs.label }}
+    steps:
+      - name: Start instance
+        id: start-instance
+        uses: zama-ai/slab-github-runner@447a2d0fd2d1a9d647aa0d0723a6e9255372f261
+        with:
+          mode: start
+          github-token: ${{ secrets.SLAB_ACTION_TOKEN }}
+          slab-url: ${{ secrets.SLAB_BASE_URL }}
+          job-secret: ${{ secrets.JOB_SECRET }}
+          backend: aws
+          profile: cpu-release
+
   build-linux-x86:
+    needs: setup-instance
+    runs-on: ${{ needs.setup-instance.outputs.runner-name }}
     strategy:
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
-
-    runs-on: ${{ github.event.inputs.runner_name }}
     steps:
-      - name: Log instance configuration
-        run: |
-          echo "IDs: ${{ inputs.instance_id }}"
-          echo "AMI: ${{ inputs.instance_image_id }}"
-          echo "Type: ${{ inputs.instance_type }}"
-          echo "Request ID: ${{ inputs.request_id }}"
-          echo "User Inputs: ${{ inputs.user_inputs }}"
-
       - name: Set up GitHub environment
         run: |
           echo "HOME=/home/ubuntu" >> "${GITHUB_ENV}"
-
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
           submodules: recursive
           fetch-depth: 0
-
       - name: Set release version (nightly)
         if: ${{ env.RELEASE_TYPE == 'nightly' }}
         run: |
@@ -65,14 +62,11 @@ jobs:
           echo "__version__ = \"${LATEST_RELEASE_VERSION}-dev${NIGHTLY_VERSION_ONE_NUMBER}\"" >| frontends/concrete-python/version.txt
           git tag nightly-$NIGHTLY_VERSION || true
           git push origin nightly-$NIGHTLY_VERSION || true
-
       - name: Set release version (public)
         if: ${{ env.RELEASE_TYPE == 'public' }}
         run: echo "__version__ = \"`git describe --tags --abbrev=0 | grep -e '[0-9].*' -o`\"" >| frontends/concrete-python/version.txt
-
       - name: Expose release version from Python
         run: cp frontends/concrete-python/version.txt frontends/concrete-python/concrete/fhe/version.py
-
       - name: Build wheel
         uses: addnab/docker-run-action@4f65fabd2431ebc8d299f8e5a018d79a769ae185 # v3
         id: build-compiler-bindings
@@ -84,29 +78,23 @@ jobs:
           options: >-
             -v ${{ github.workspace }}:/concrete
             -v ${{ github.workspace }}/build:/build
-            -v ${{ env.SSH_AUTH_SOCK }}:/ssh.socket
-            -e SSH_AUTH_SOCK=/ssh.socket
           shell: bash
           run: |
             set -e
 
-            rustup toolchain install nightly-2024-09-30
-            pip install mypy
             rm -rf /build/*
-            
+
             export PYTHON=${{ format('python{0}', matrix.python-version) }}
             echo "Using $PYTHON"
 
-            dnf -y install graphviz graphviz-devel
-            
             cd /concrete/frontends/concrete-python
             make PYTHON=$PYTHON venv
             source .venv/bin/activate
-            
+
             cd /concrete/compilers/concrete-compiler/compiler
             make BUILD_DIR=/build CCACHE=ON DATAFLOW_EXECUTION_ENABLED=OFF Python3_EXECUTABLE=$(which python) \
               CUDA_SUPPORT=ON TIMING_ENABLED=ON CUDA_PATH=${{ env.CUDA_PATH }} python-bindings
-            
+
             echo "Debug: ccache statistics (after the build):"
             ccache -s
 
@@ -114,37 +102,62 @@ jobs:
 
             export COMPILER_BUILD_DIRECTORY="/build"
             make whl
-            
-            deactivate
 
+            deactivate
       - name: Upload wheel
         uses: actions/upload-artifact@50769540e7f4bd5e21e526ee35c689e35e0d6874 # v4.4.0
         with:
           name: ${{ format('wheel-{0}-linux-x86', matrix.python-version) }}
           path: frontends/concrete-python/dist/*manylinux*.whl
           retention-days: 3
+      - name: Slack Notification
+        if: ${{ failure() }}
+        continue-on-error: true
+        uses: rtCamp/action-slack-notify@4e5fb42d249be6a45a298f3c9543b111b02f7907
+        env:
+          SLACK_COLOR: ${{ job.status }}
+          SLACK_MESSAGE: "build-linux-x86 (${{matrix.python-version}}) finished with status: ${{ job.status }}. (${{ env.ACTION_RUN_URL }})"
 
-  push:
+  teardown-instance:
+    needs: [ setup-instance, build-linux-x86 ]
+    if: ${{ always() && needs.setup-instance.result != 'skipped' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Stop instance
+        id: stop-instance
+        uses: zama-ai/slab-github-runner@c0e7168795bd78f61f61146951ed9d0c73c9b701
+        with:
+          mode: stop
+          github-token: ${{ secrets.SLAB_ACTION_TOKEN }}
+          slab-url: ${{ secrets.SLAB_BASE_URL }}
+          job-secret: ${{ secrets.JOB_SECRET }}
+          label: ${{ needs.setup-instance.outputs.runner-name }}
+
+      - name: Slack Notification
+        if: ${{ failure() }}
+        continue-on-error: true
+        uses: rtCamp/action-slack-notify@4e5fb42d249be6a45a298f3c9543b111b02f7907
+        env:
+          SLACK_COLOR: ${{ job.status }}
+          SLACK_MESSAGE: "Instance teardown finished with status: ${{ job.status }}. (${{ env.ACTION_RUN_URL }})"
+
+  push-wheels:
     needs: [build-linux-x86]
     runs-on: ubuntu-latest
     outputs:
       wheel_version: ${{ steps.version.outputs.wheel_version }}
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-
       - uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
         with:
           path: wheels
           merge-multiple: true
-
-      - name: Install aws-cli if not present
+      - name: Install aws-cli
         run: |
           aws --version || (curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip" && \
             unzip awscliv2.zip && \
             sudo ./aws/install)
-
       - name: Upload wheels to S3
-        if: ${{ env.RELEASE_TYPE == 'public' || env.RELEASE_TYPE == 'nightly' }}
         env:
           AWS_ACCESS_KEY_ID: ${{ secrets.AWS_IAM_ID }}
           AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_IAM_KEY }}
@@ -157,18 +170,92 @@ jobs:
           aws s3 sync ./wheels/ s3://${S3_BUCKET_NAME}/gpu/concrete-python
           # update indexes and invalidate cloudfront cache
           python .github/workflows/scripts/s3_update_html_indexes.py
-
       - name: Output Wheel Version
         id: version
         run: |
           export VERSION=`ls ./wheels/*manylinux* | head -n1 |  cut -d "-" -f2`
           echo "VERSION=$VERSION"
           echo "wheel_version=$VERSION" >> "$GITHUB_OUTPUT"
+      - name: Slack Notification
+        if: ${{ failure() }}
+        continue-on-error: true
+        uses: rtCamp/action-slack-notify@4e5fb42d249be6a45a298f3c9543b111b02f7907
+        env:
+          SLACK_COLOR: ${{ job.status }}
+          SLACK_MESSAGE: "push-wheels finished with status: ${{ job.status }}. (${{ env.ACTION_RUN_URL }})"
+
+  setup-test-instance:
+    runs-on: ubuntu-latest
+    needs: [push-wheels]
+    outputs:
+      runner-name: ${{ steps.start-instance.outputs.label }}
+    steps:
+      - name: Start instance
+        id: start-instance
+        uses: zama-ai/slab-github-runner@447a2d0fd2d1a9d647aa0d0723a6e9255372f261
+        with:
+          mode: start
+          github-token: ${{ secrets.SLAB_ACTION_TOKEN }}
+          slab-url: ${{ secrets.SLAB_BASE_URL }}
+          job-secret: ${{ secrets.JOB_SECRET }}
+          backend: aws
+          profile: gpu-test
+
+  test-linux-x86:
+    strategy:
+      matrix:
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
+      fail-fast: false
+    needs: [setup-test-instance, push-wheels]
+    runs-on: ${{ needs.setup-test-instance.outputs.runner-name }}
+    steps:
+      - name: Setup Python
+        uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
+        with:
+          python-version: ${{ matrix.python-version }}
 
-  test-gpu-wheel:
-    needs: [push]
-    uses: ./.github/workflows/start_slab.yml
-    secrets: inherit
-    with:
-      command: concrete-python-test-gpu-wheel
-      user_inputs: "${{ needs.push.outputs.wheel_version }}"
+      - name: Install CP
+        run: pip install --pre --extra-index-url https://pypi.zama.ai/gpu/ "concrete-python==${{ env.CP_VERSION }}"
+
+      - name: Checkout the repository
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          path: repo
+
+      - name: Test wheel
+        run: |
+          CONCRETE_PYTHON=$(pwd)/repo/frontends/concrete-python
+
+          # Install extra requirements for tests
+          sudo apt update -y
+          sudo apt install -y graphviz libgraphviz-dev
+          pip install -r $CONCRETE_PYTHON/requirements.extra-full.txt
+          pip install -r $CONCRETE_PYTHON/requirements.dev.txt
+
+          # Running tests
+          cd $CONCRETE_PYTHON
+          make pytest-gpu
+
+
+  teardown-test-instance:
+    needs: [ setup-test-instance, test-linux-x86 ]
+    if: ${{ always() && needs.setup-test-instance.result != 'skipped' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Stop instance
+        id: stop-instance
+        uses: zama-ai/slab-github-runner@c0e7168795bd78f61f61146951ed9d0c73c9b701
+        with:
+          mode: stop
+          github-token: ${{ secrets.SLAB_ACTION_TOKEN }}
+          slab-url: ${{ secrets.SLAB_BASE_URL }}
+          job-secret: ${{ secrets.JOB_SECRET }}
+          label: ${{ needs.setup-instance.outputs.runner-name }}
+
+      - name: Slack Notification
+        if: ${{ failure() }}
+        continue-on-error: true
+        uses: rtCamp/action-slack-notify@4e5fb42d249be6a45a298f3c9543b111b02f7907
+        env:
+          SLACK_COLOR: ${{ job.status }}
+          SLACK_MESSAGE: "Instance teardown finished with status: ${{ job.status }}. (${{ env.ACTION_RUN_URL }})"
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
deleted file mode 100644
index 1a3471214f..0000000000
--- a/.github/workflows/main.yml
+++ /dev/null
@@ -1,303 +0,0 @@
-# This job is the main jobs will dispatch build and test for every modules of our mono repo.
-name: Main
-
-on:
-#   pull_request:
-  push:
-    branches:
-      - 'main'
-#       - 'release/*'
-#       - 'force-docker-images'
-#       - 'private_release/*'
-#     tags:
-#       - 'v[0-9]+.[0-9]+.[0-9]+*'
-#   schedule:
-#     # Nightly Release @ 3AM after each work day
-#     - cron: "0 3 * * 2-6"
-
-jobs:
-  # This jobs outputs for each modules of our mono-repo if it changed,
-  # in order to launch jobs only for the changed modules
-  file-change:
-    if: ${{ github.event_name != 'schedule' }}
-    runs-on: ubuntu-latest
-    outputs:
-      compiler: ${{ steps.compiler.outputs.any_changed }}
-      optimizer: ${{ steps.optimizer.outputs.any_changed }}
-      concrete-cpu: ${{ steps.concrete-cpu.outputs.any_changed }}
-      concrete-cpu-api: ${{ steps.concrete-cpu-api.outputs.any_changed }}
-      concrete-cuda-api: ${{ steps.concrete-cuda-api.outputs.any_changed }}
-      concrete-python: ${{ steps.concrete-python.outputs.any_changed }}
-      concrete-compiler-cpu-workflow: ${{ steps.concrete-compiler-cpu-workflow.outputs.any_changed }}
-      concrete-compiler-gpu-workflow: ${{ steps.concrete-compiler-gpu-workflow.outputs.any_changed }}
-      concrete-compiler-format-and-linting-workflow: ${{ steps.concrete-compiler-format-and-linting-workflow.outputs.any_changed }}
-      concrete-compiler-macos-workflow: ${{ steps.concrete-compiler-macos-workflow.outputs.any_changed }}
-      concrete-compiler-docker-images-workflow: ${{ steps.concrete-compiler-docker-images-workflow.outputs.any_changed }}
-      concrete-cpu-workflow: ${{ steps.concrete-cpu-workflow.outputs.any_changed }}
-      concrete-python-workflow: ${{ steps.concrete-python-workflow.outputs.any_changed }}
-      concrete-optimizer-workflow: ${{ steps.concrete-optimizer-workflow.outputs.any_changed }}
-      push-main: ${{ steps.github.outputs.push-main }}
-    steps:
-      - name: Checkout the repository
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-        with:
-          fetch-depth: 0
-          token: ${{ secrets.CONCRETE_ACTIONS_TOKEN }}
-
-      - name: Get changed files in the concrete-compiler directory
-        id: compiler
-        uses: tj-actions/changed-files@e9772d140489982e0e3704fea5ee93d536f1e275
-        with:
-          files: ./compilers/concrete-compiler/**
-
-      - name: Get changed files for concrete-optimizer
-        id: optimizer
-        uses: tj-actions/changed-files@e9772d140489982e0e3704fea5ee93d536f1e275
-        with:
-          files: |
-            ./tools/parameter-curves/concrete-security-curves-rust/**
-            ./compilers/concrete-optimizer/**
-            ./.github/workflows/optimizer.yml
-
-      - name: Get changed files in the concrete-cpu directory
-        id: concrete-cpu
-        uses: tj-actions/changed-files@e9772d140489982e0e3704fea5ee93d536f1e275
-        with:
-          files: ./backends/concrete-cpu/implementation/**
-
-      - name: Get changed files in the concrete-python directory
-        id: concrete-python
-        uses: tj-actions/changed-files@e9772d140489982e0e3704fea5ee93d536f1e275
-        with:
-          files: ./frontends/concrete-python/**
-
-      - name: Check if compiler_build_and_test_cpu workflow has changed
-        id: concrete-compiler-cpu-workflow
-        uses: tj-actions/changed-files@e9772d140489982e0e3704fea5ee93d536f1e275
-        with:
-          files: ./.github/workflows/compiler_build_and_test_cpu.yml
-
-      - name: Check if compiler_build_and_test_gpu workflow has changed
-        id: concrete-compiler-gpu-workflow
-        uses: tj-actions/changed-files@e9772d140489982e0e3704fea5ee93d536f1e275
-        with:
-          files: ./.github/workflows/compiler_build_and_test_gpu.yml
-
-      - name: Check if compiler_format_and_linting.yml workflow has changed
-        id: concrete-compiler-format-and-linting-workflow
-        uses: tj-actions/changed-files@e9772d140489982e0e3704fea5ee93d536f1e275
-        with:
-          files: ./.github/workflows/compiler_format_and_linting.yml
-
-      - name: Check if compiler_macos_build_and_test workflow has changed
-        id: concrete-compiler-macos-workflow
-        uses: tj-actions/changed-files@e9772d140489982e0e3704fea5ee93d536f1e275
-        with:
-          files: ./.github/workflows/compiler_macos_build_and_test.yml
-
-      - name: Check if compiler_publish_docker_images workflow has changed
-        id: concrete-compiler-docker-images-workflow
-        uses: tj-actions/changed-files@e9772d140489982e0e3704fea5ee93d536f1e275
-        with:
-          files: |
-            ./.github/workflows/compiler_publish_docker_images.yml
-            ./docker/**
-
-      - name: Check if concrete_cpu_test workflow has changed
-        id: concrete-cpu-workflow
-        uses: tj-actions/changed-files@e9772d140489982e0e3704fea5ee93d536f1e275
-        with:
-          files: ./.github/workflows/concrete_cpu_test.yml
-
-      - name: Check if concrete_python_checks workflow has changed
-        id: concrete-python-workflow
-        uses: tj-actions/changed-files@e9772d140489982e0e3704fea5ee93d536f1e275
-        with:
-          files: ./.github/workflows/concrete_python_checks.yml
-
-      - name: Check if optimizer workflow has changed
-        id: concrete-optimizer-workflow
-        uses: tj-actions/changed-files@e9772d140489982e0e3704fea5ee93d536f1e275
-        with:
-          files: ./.github/workflows/optimizer.yml
-
-      - name: Get changed files in the concrete-cpu directory
-        id: concrete-cpu-api
-        uses: tj-actions/changed-files@e9772d140489982e0e3704fea5ee93d536f1e275
-        with:
-          files: ./backends/concrete-cpu/implementation/include/**
-
-      - name: Get changed files in the concrete-cuda directory
-        id: concrete-cuda-api
-        uses: tj-actions/changed-files@e9772d140489982e0e3704fea5ee93d536f1e275
-        with:
-          files: ./backends/concrete-cuda/implementation/include/**
-
-      - name: Set some github event outputs
-        id: github
-        if: github.event_name == 'push' && (github.ref == 'refs/heads/main' || startsWith(github.ref, 'refs/heads/release'))
-        run: echo "push-main=true" >> "$GITHUB_OUTPUT"
-
-#################################################
-# Compiler jobs #################################
-  compiler-compliance:
-    needs: file-change
-    if: needs.file-change.outputs.compiler == 'true' || needs.file-change.outputs.concrete-compiler-format-and-linting-workflow == 'true' || needs.file-change.outputs.push-main == 'true'
-    uses: ./.github/workflows/compiler_format_and_linting.yml
-
-  compiler-cpu-build:
-    needs: file-change
-    if: needs.file-change.outputs.compiler == 'true' || needs.file-change.outputs.concrete-cpu-api == 'true'|| needs.file-change.outputs.concrete-compiler-cpu-workflow == 'true' || needs.file-change.outputs.push-main == 'true'
-    uses: ./.github/workflows/start_slab.yml
-    secrets: inherit
-    with:
-      command: compiler-cpu-build
-
-  compiler-cpu-build-distributed:
-    needs: file-change
-    if: needs.file-change.outputs.compiler == 'true' || needs.file-change.outputs.concrete-cpu-api == 'true'|| needs.file-change.outputs.concrete-compiler-cpu-workflow == 'true' || needs.file-change.outputs.push-main == 'true'
-    uses: ./.github/workflows/start_slab.yml
-    secrets: inherit
-    with:
-      command: compiler-cpu-build-distributed
-
-  compiler-gpu-build:
-    needs: file-change
-    if: needs.file-change.outputs.compiler == 'true' || needs.file-change.outputs.concrete-cuda-api == 'true' || needs.file-change.outputs.concrete-compiler-gpu-workflow == 'true' || needs.file-change.outputs.push-main == 'true'
-    uses: ./.github/workflows/start_slab.yml
-    secrets: inherit
-    with:
-      command: compiler-gpu-build
-
-  compiler-macos-tests:
-    needs: file-change
-    if: needs.file-change.outputs.compiler == 'true' || needs.file-change.outputs.concrete-compiler-macos-workflow == 'true' || needs.file-change.outputs.push-main == 'true'
-    uses: ./.github/workflows/compiler_macos_build_and_test.yml
-    secrets: inherit
-
-  compiler-publish-docker-images:
-    needs: file-change
-    if: (needs.file-change.outputs.compiler == 'true' || needs.file-change.outputs.concrete-compiler-docker-images-workflow == 'true') && (needs.file-change.outputs.push-main == 'true' || contains(github.ref, 'refs/heads/force-docker-images'))
-    uses: ./.github/workflows/start_slab.yml
-    secrets: inherit
-    with:
-      command: compiler-publish-docker-images
-
-  compiler-cpu-benchmark:
-    needs: file-change
-    if: needs.file-change.outputs.push-main == 'true'
-    uses: ./.github/workflows/start_slab.yml
-    secrets: inherit
-    with:
-      command: compiler-cpu-benchmark
-
-  # compiler-gpu-benchmark:
-  #   needs: file-change
-  #   if: needs.file-change.outputs.push-main == 'true'
-  #   uses: ./.github/workflows/start_slab.yml
-  #   secrets: inherit
-  #   with:
-  #     command: compiler-gpu-benchmark
-
-#################################################
-# Optimizer jobs ################################
-  optimizer:
-    needs: file-change
-    if: |
-      needs.file-change.outputs.parameters-curves == 'true' ||
-      needs.file-change.outputs.concrete-cpu == 'true' ||
-      needs.file-change.outputs.optimizer == 'true'||
-      needs.file-change.outputs.push-main
-    uses: ./.github/workflows/optimizer.yml
-    secrets: inherit
-
-#################################################
-# ConcreteCPU jobs ##############################
-  concrete-cpu:
-    needs: file-change
-    if: needs.file-change.outputs.concrete-cpu == 'true' || needs.file-change.outputs.concrete-cpu-workflow == 'true' || needs.file-change.outputs.push-main
-    uses: ./.github/workflows/concrete_cpu_test.yml
-    secrets: inherit
-
-#################################################
-# Concrete Python jobs ##########################
-  concrete-python:
-    needs: file-change
-    if: needs.file-change.outputs.concrete-python == 'true' || needs.file-change.outputs.concrete-python-workflow == 'true' || needs.file-change.outputs.push-main
-    uses: ./.github/workflows/concrete_python_checks.yml
-    secrets: inherit
-
-  concrete-python-tests-linux:
-    needs: file-change
-    if: needs.file-change.outputs.concrete-python == 'true' || needs.file-change.outputs.push-main
-    uses: ./.github/workflows/start_slab.yml
-    secrets: inherit
-    with:
-      command: concrete-python-tests-linux
-
-  concrete-python-tests-linux-gpu:
-    needs: file-change
-    if: needs.file-change.outputs.concrete-python == 'true' && needs.file-change.outputs.push-main
-    uses: ./.github/workflows/start_slab.yml
-    secrets: inherit
-    with:
-      command: concrete-python-tests-linux-gpu
-
-  concrete-python-tests-macos:
-    needs: file-change
-    if: needs.file-change.outputs.concrete-python == 'true' || needs.file-change.outputs.push-main
-    uses: ./.github/workflows/concrete_python_test_macos.yml
-    secrets: inherit
-
-#################################################
-# Concrete-ML tests #############################
-  concrete-ml-tests-linux:
-    needs: file-change
-    if: needs.file-change.outputs.concrete-python == 'true' || needs.file-change.outputs.compiler == 'true' || needs.file-change.outputs.push-main
-    uses: ./.github/workflows/start_slab.yml
-    secrets: inherit
-    with:
-      command: ml-test
-
-#################################################
-# Release jobs #################################
-  concrete-python-nightly-release:
-    if: ${{ github.event_name == 'schedule' }}
-    uses: ./.github/workflows/start_slab.yml
-    secrets: inherit
-    with:
-      command: concrete-python-release
-      user_inputs: 'nightly'
-
-  concrete-python-nightly-release-gpu:
-    if: ${{ github.event_name == 'schedule' }}
-    uses: ./.github/workflows/start_slab.yml
-    secrets: inherit
-    with:
-      command: concrete-python-release-gpu
-      user_inputs: 'nightly'
-
-  concrete-python-public-release:
-#    needs: [compiler-cpu-build, compiler-macos-tests, compiler-publish-docker-images, concrete-python-tests-linux, concrete-python-tests-macos]
-    if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
-    uses: ./.github/workflows/start_slab.yml
-    secrets: inherit
-    with:
-      command: concrete-python-release
-      user_inputs: 'public'
-
-  concrete-python-public-release-gpu:
-    if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
-    uses: ./.github/workflows/start_slab.yml
-    secrets: inherit
-    with:
-      command: concrete-python-release-gpu
-      user_inputs: 'public'
-
-  concrete-python-private-release:
-    if: github.event_name == 'push' && contains(github.ref, 'refs/heads/private_release/')
-    uses: ./.github/workflows/start_slab.yml
-    secrets: inherit
-    with:
-      command: concrete-python-release
-      user_inputs: 'private'
diff --git a/.github/workflows/markdown_link_check.yml b/.github/workflows/markdown_link_check.yml
deleted file mode 100644
index b2c6ffb849..0000000000
--- a/.github/workflows/markdown_link_check.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-name: Check Markdown links
-
-on:
-  pull_request:
-    paths:
-      - '**.md'
-      - .github/workflows/markdown_link_check.yml
-  push:
-    branches:
-      - main
-
-jobs:
-  markdown-link-check:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-    - uses: gaurav-nelson/github-action-markdown-link-check@5c5dfc0ac2e225883c0e5f03a85311ec2830d368 # v1
-      with:
-        use-quiet-mode: 'yes'
-        use-verbose-mode: 'yes'
diff --git a/.github/workflows/push_wheels_to_public_pypi.yml b/.github/workflows/push_wheels_to_public_pypi.yml
deleted file mode 100644
index 3f1ff7d80d..0000000000
--- a/.github/workflows/push_wheels_to_public_pypi.yml
+++ /dev/null
@@ -1,35 +0,0 @@
-name: Push Wheels to Public PyPI
-
-on:
-  workflow_dispatch:
-    inputs:
-      version:
-        description: 'version of concrete-python to pull from Zama PyPI and push to public PyPI. Use the version as it appears in the wheel file (e.g. 2.7.0rc1)'
-        required: true
-        type: string
-
-
-jobs:
-  pull_and_push:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Pull wheels from S3
-        env:
-          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_IAM_ID }}
-          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_IAM_KEY }}
-          AWS_DEFAULT_REGION: ${{ secrets.AWS_REGION }}
-          S3_BUCKET_NAME: ${{ secrets.AWS_S3_PYPI_BUCKET_NAME }}
-        run: |
-          mkdir wheels
-          aws s3 cp s3://${S3_BUCKET_NAME}/cpu/concrete-python/ ./wheels/ --recursive --exclude "*" --include "concrete_python-${{ inputs.version }}-*"
-          echo "============== Downloaded wheels ==============="
-          ls -la ./wheels/
-
-      - name: Push wheels to public PyPI (public)
-        run: |
-          pip install twine==4.0.2
-          twine upload wheels/concrete_python-${{ inputs.version }}*.whl \
-            -u "${{ secrets.PUBLIC_PYPI_USER }}" \
-            -p "${{ secrets.PUBLIC_PYPI_PASSWORD }}" \
-            -r pypi
- 
diff --git a/.github/workflows/scripts/teardown-check.sh b/.github/workflows/scripts/teardown-check.sh
new file mode 100755
index 0000000000..9c690cb7ae
--- /dev/null
+++ b/.github/workflows/scripts/teardown-check.sh
@@ -0,0 +1,10 @@
+#!/bin/bash -e
+
+grep setup-instance -Rl .github/workflows/ | xargs grep -L teardown-instance &> missing-teardown.txt
+
+if [ -s missing-teardown.txt ]; then
+    echo "There are missing teardown-instance jobs in following jobs:"
+    echo
+    cat missing-teardown.txt
+    exit 1
+fi
\ No newline at end of file
diff --git a/.github/workflows/start_slab.yml b/.github/workflows/start_slab.yml
deleted file mode 100644
index 0bdd7961c5..0000000000
--- a/.github/workflows/start_slab.yml
+++ /dev/null
@@ -1,62 +0,0 @@
-# Start job on Slab CI bot given by input command.
-name: Start AWS job
-
-on:
-  workflow_call:
-    inputs:
-      command:
-        required: true
-        type: string
-      user_inputs:
-        required: false
-        type: string
-  workflow_dispatch:
-    inputs:
-      command:
-        required: true
-        type: string
-      user_inputs:
-        description: 'user inputs to be forwarded to the called workflow'
-        required: false
-        type: string
-
-env:
-  GIT_REF: ${{ github.head_ref }}
-
-jobs:
-  sl:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout concrete
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-        with:
-          fetch-depth: 0
-
-      - name: Get git ref
-        # github.head_ref is only available from a Pull Request
-        if: env.GIT_REF == ''
-        run: |
-          echo "GIT_REF=${{ github.ref_name }}" >> $GITHUB_ENV
-
-      - name: Checkout Slab repo
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-        with:
-          repository: zama-ai/slab
-          path: slab
-          token: ${{ secrets.CONCRETE_ACTIONS_TOKEN }}
-
-      - name: Start AWS job in Slab
-        shell: bash
-        run: |
-          GIT_SHA="$(git --no-pager show -s --format="%H" origin/${{ env.GIT_REF }})" || GIT_SHA=${{ github.sha }}
-          echo -n '{"command": "${{ inputs.command }}", "git_ref": "${{ env.GIT_REF }}", "sha":"'${GIT_SHA}'", "user_inputs": "${{ inputs.user_inputs }}"}' > command.json
-          cat command.json
-          SIGNATURE="$(slab/scripts/hmac_calculator.sh command.json '${{ secrets.JOB_SECRET }}')"
-          curl -v -k \
-          --fail-with-body \
-          -H "Content-Type: application/json" \
-          -H "X-Slab-Repository: ${{ github.repository }}" \
-          -H "X-Slab-Command: start_aws" \
-          -H "X-Hub-Signature-256: sha256=${SIGNATURE}" \
-          -d @command.json \
-          ${{ secrets.SLAB_URL }}
diff --git a/ci/slab.toml b/ci/slab.toml
index c69399c4a1..bccab4e1a4 100644
--- a/ci/slab.toml
+++ b/ci/slab.toml
@@ -23,139 +23,7 @@ instance_id = "i-0e5ae2a14134d6275"
 instance_type = "m6i.8xlarge"
 security_group= ["sg-02dd8470fa845f31b", ]
 
-# This is the new version of Slab that handles multi backend providers.
-[backend.aws.m7i-cpu-bench]
-region = "eu-west-1"
-image_id = "ami-002bdcd64b8472cf9" # Based on Ubuntu 22.4
-instance_type = "m7i.48xlarge"
-security_group = ["sg-0e55cc31dfda0d8a7", ]
-
-[profile.m7i-cpu-bench]
-region = "eu-west-1"
-image_id = "ami-002bdcd64b8472cf9" # Based on Ubuntu 22.4
-instance_type = "m7i.48xlarge"
-security_group= ["sg-0e55cc31dfda0d8a7", ]
-
-[profile.m7i-cpu-test]
+[backend.aws.release]
 region = "eu-west-1"
 image_id = "ami-002bdcd64b8472cf9"
-instance_type = "m7i.16xlarge"
-security_group= ["sg-0e55cc31dfda0d8a7", ]
-
-[profile.m7i-metal]
-region = "eu-west-1"
-image_id = "ami-002bdcd64b8472cf9"
-instance_type = "m7i.metal-24xl"
-security_group= ["sg-0e55cc31dfda0d8a7", ]
-
-[profile.gpu-bench]
-region = "us-east-1"
-image_id = "ami-08e27480d79e82238"
-instance_type = "p3.2xlarge"
-subnet_id = "subnet-8123c9e7"
-security_group= ["sg-017afab1f328af917", ]
-
-# Docker is well configured for test inside docker in this AMI
-[profile.gpu-test]
-region = "us-east-1"
-image_id = "ami-0257c6ad39f902b5e"
-instance_type = "p3.2xlarge"
-subnet_id = "subnet-8123c9e7"
-security_group= ["sg-017afab1f328af917", ]
-
-# It has CUDA Driver (<=12.5) and Docker installed
-[profile.gpu-test-ubuntu22]
-region = "us-east-1"
-image_id = "ami-05385e0c3c574621f"
-instance_type = "p3.2xlarge"
-subnet_id = "subnet-8123c9e7"
-security_group= ["sg-017afab1f328af917", ]
-
-[profile.slurm-cluster]
-region = "eu-west-3"
-image_id = "ami-0bb5bb9cb747b5ddd"
-instance_id = "i-0e5ae2a14134d6275"
-instance_type = "m6i.8xlarge"
-security_group= ["sg-02dd8470fa845f31b", ]
-
-#################################################
-# Compiler commands
-#################################################
-
-[command.compiler-cpu-build]
-workflow = "compiler_build_and_test_cpu.yml"
-profile = "m7i-cpu-test"
-check_run_name = "Compiler Build and Test (CPU)"
-
-[command.compiler-cpu-build-distributed]
-workflow = "compiler_build_and_test_cpu_distributed.yml"
-profile = "slurm-cluster"
-check_run_name = "Compiler Distributed Build and Test (CPU)"
-runner_name = "distributed-ci"
-
-[command.compiler-gpu-build]
-workflow = "compiler_build_and_test_gpu.yml"
-profile = "gpu-test"
-check_run_name = "Compiler Build and Test (GPU)"
-
-[command.compiler-cpu-benchmark]
-workflow = "compiler_benchmark.yml"
-profile = "m7i-cpu-bench"
-check_run_name = "Compiler Performances Benchmarks (CPU)"
-
-[command.compiler-gpu-benchmark]
-workflow = "compiler_benchmark.yml"
-profile = "gpu-bench"
-check_run_name = "Compiler Performances Benchmarks (GPU)"
-
-# Trigger Docker images build
-[command.compiler-publish-docker-images]
-workflow = "compiler_publish_docker_images.yml"
-profile = "m7i-cpu-test"
-check_run_name = "Compiler - Docker images build & publish"
-
-# Trigger ML benchmarks by running each use cases subset in parallel.
-[command.ml-bench]
-workflow = "ml_benchmark_subset.yml"
-profile = "m7i-cpu-bench"
-matrix = [0,1,2,3,4,5,6,7,8,9,10]
-max_parallel_jobs = 2
-
-# Trigger ML tests with latest CP
-[command.ml-test]
-workflow = "concrete_ml_tests.yml"
-profile = "m7i-cpu-test"
-check_run_name = "Concrete ML Tests"
-
-#################################################
-# Concrete Python Commands
-#################################################
-
-[command.concrete-python-tests-linux]
-workflow = "concrete_python_tests_linux.yml"
-profile = "m7i-cpu-test"
-check_run_name = "Concrete Python Tests (Linux)"
-
-[command.concrete-python-tests-linux-gpu]
-workflow = "concrete_python_tests_linux.yml"
-profile = "gpu-test"
-check_run_name = "Concrete Python Tests (Linux Gpu)"
-
-#################################################
-# Release Commands
-#################################################
-
-[command.concrete-python-release]
-workflow = "concrete_python_release.yml"
-profile = "m7i-cpu-test"
-check_run_name = "Concrete Python Release"
-
-[command.concrete-python-release-gpu]
-workflow = "concrete_python_release_gpu.yml"
-profile = "m7i-cpu-test"
-check_run_name = "Concrete Python Release (GPU)"
-
-[command.concrete-python-test-gpu-wheel]
-workflow = "concrete_python_test_gpu_wheel.yml"
-profile = "gpu-test"
-check_run_name = "Concrete Python Test GPU Wheel"
+instance_type = "hpc7a.96xlarge"
\ No newline at end of file