@@ -71,79 +71,7 @@ jobs:
       with:
         matrix_yaml: |
           include:
-          # x86_64 manylinux
-          - { spec: cp310-manylinux_x86_64, arch: x86_64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp311-manylinux_x86_64, arch: x86_64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp312-manylinux_x86_64, arch: x86_64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp313-manylinux_x86_64, arch: x86_64, omit: ${{ env.skip_ci_redundant_jobs }} }          
-          - { spec: cp314-manylinux_x86_64, arch: x86_64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp314t-manylinux_x86_64, arch: x86_64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp315-manylinux_x86_64, arch: x86_64 }
-          - { spec: cp315t-manylinux_x86_64, arch: x86_64 }
-
-          # x86_64 musllinux
-          - { spec: cp310-musllinux_x86_64, arch: x86_64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp311-musllinux_x86_64, arch: x86_64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp312-musllinux_x86_64, arch: x86_64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp313-musllinux_x86_64, arch: x86_64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp314-musllinux_x86_64, arch: x86_64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp314t-musllinux_x86_64, arch: x86_64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp315-musllinux_x86_64, arch: x86_64 }
-          - { spec: cp315t-musllinux_x86_64, arch: x86_64 }
-
-          # i686 manylinux
-          - { spec: cp310-manylinux_i686, arch: i686, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp311-manylinux_i686, arch: i686, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp312-manylinux_i686, arch: i686, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp313-manylinux_i686, arch: i686 }
-          # omit i686 releases > 3.13
-
-          # i686 musllinux
-          - { spec: cp310-musllinux_i686, arch: i686, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp311-musllinux_i686, arch: i686 }
-          # omit i686 releases after 3.11
-
-          # aarch64 manylinux
-          - { spec: cp310-manylinux_aarch64, arch: aarch64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp311-manylinux_aarch64, arch: aarch64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp312-manylinux_aarch64, arch: aarch64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp313-manylinux_aarch64, arch: aarch64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp314-manylinux_aarch64, arch: aarch64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp314t-manylinux_aarch64, arch: aarch64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp315-manylinux_aarch64, arch: aarch64 }
-          - { spec: cp315t-manylinux_aarch64, arch: aarch64 }
-
-          # aarch64 musllinux
-          - { spec: cp310-musllinux_aarch64, arch: aarch64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp311-musllinux_aarch64, arch: aarch64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp312-musllinux_aarch64, arch: aarch64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp313-musllinux_aarch64, arch: aarch64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp314-musllinux_aarch64, arch: aarch64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp314t-musllinux_aarch64, arch: aarch64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp315-musllinux_aarch64, arch: aarch64 }
-          - { spec: cp315t-musllinux_aarch64, arch: aarch64 }
-
-          # ppc64le manylinux
-          - { spec: cp310-manylinux_ppc64le, arch: ppc64le, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs }} }
-          - { spec: cp311-manylinux_ppc64le, arch: ppc64le, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs || env.skip_ci_redundant_jobs }} }
-          - { spec: cp312-manylinux_ppc64le, arch: ppc64le, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs || env.skip_ci_redundant_jobs }} }
-          - { spec: cp313-manylinux_ppc64le, arch: ppc64le, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs || env.skip_ci_redundant_jobs }} }
-          - { spec: cp314-manylinux_ppc64le, arch: ppc64le, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs || env.skip_ci_redundant_jobs }} }
-          - { spec: cp314t-manylinux_ppc64le, arch: ppc64le, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs || env.skip_ci_redundant_jobs }} }
-          - { spec: cp315-manylinux_ppc64le, arch: ppc64le, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs }} }
-          - { spec: cp315t-manylinux_ppc64le, arch: ppc64le, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs }} }
-
-          # s390x manylinux
-          - { spec: cp310-manylinux_s390x, arch: s390x, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs }} }
-          - { spec: cp311-manylinux_s390x, arch: s390x, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs || env.skip_ci_redundant_jobs }} }
-          - { spec: cp312-manylinux_s390x, arch: s390x, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs || env.skip_ci_redundant_jobs }} }
-          - { spec: cp313-manylinux_s390x, arch: s390x, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs || env.skip_ci_redundant_jobs }} }
-          - { spec: cp314-manylinux_s390x, arch: s390x, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs || env.skip_ci_redundant_jobs }} }
-          - { spec: cp314t-manylinux_s390x, arch: s390x, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs || env.skip_ci_redundant_jobs }} }
-          - { spec: cp315-manylinux_s390x, arch: s390x, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs }} }
-          - { spec: cp315t-manylinux_s390x, arch: s390x, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs }} }
-
-          # riscv64gc manylinux
+          # riscv64 manylinux
           - { spec: cp310-manylinux_riscv64, arch: riscv64, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs }} }
           - { spec: cp311-manylinux_riscv64, arch: riscv64, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs || env.skip_ci_redundant_jobs }} }
           - { spec: cp312-manylinux_riscv64, arch: riscv64, test_args: '{package}/src/c', omit: ${{ env.skip_slow_jobs || env.skip_ci_redundant_jobs }} }
@@ -232,294 +160,8 @@ jobs:
         if-no-files-found: error
       if: ${{ (matrix.skip_artifact_upload != 'true') && (env.skip_artifact_upload != 'true') }}
 
-  make_macos_matrix:
-    runs-on: ubuntu-24.04
-    outputs:
-      matrix_json: ${{ steps.make_matrix.outputs.matrix_json }}
-    steps:
-    - uses: actions/checkout@v7
-    - name: make a matrix
-      id: make_matrix
-      uses: ./.github/actions/dynamatrix
-      with:
-        matrix_yaml: |
-          include:
-          # x86_64 macos
-          - { spec: cp310-macosx_x86_64, deployment_target: '10.15', runs_on: macos-15-intel, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp311-macosx_x86_64, deployment_target: '10.15', runs_on: macos-15-intel, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp312-macosx_x86_64, deployment_target: '10.15', runs_on: macos-15-intel, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp313-macosx_x86_64, deployment_target: '10.15', runs_on: macos-15-intel, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp314-macosx_x86_64, deployment_target: '10.15', runs_on: macos-15-intel, omit: ${{ env.skip_ci_redundant_jobs }}  }
-          - { spec: cp314t-macosx_x86_64, deployment_target: '10.15', runs_on: macos-15-intel, omit: ${{ env.skip_ci_redundant_jobs }}  }
-          - { spec: cp315-macosx_x86_64, deployment_target: '10.15', runs_on: macos-15-intel }
-          - { spec: cp315t-macosx_x86_64, deployment_target: '10.15', runs_on: macos-15-intel }
-
-          # arm64 macos
-          - { spec: cp310-macosx_arm64, deployment_target: '11.0', omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp311-macosx_arm64, deployment_target: '11.0', omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp312-macosx_arm64, deployment_target: '11.0', omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp313-macosx_arm64, deployment_target: '11.0', omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp314-macosx_arm64, deployment_target: '11.0', omit: ${{ env.skip_ci_redundant_jobs }}  }
-          - { spec: cp314t-macosx_arm64, deployment_target: '11.0', omit: ${{ env.skip_ci_redundant_jobs }}  }
-          - { spec: cp315-macosx_arm64, deployment_target: '11.0' }
-          - { spec: cp315t-macosx_arm64, deployment_target: '11.0' }
-
-  macos:
-    needs: [python_sdist, make_macos_matrix]
-    defaults:
-      run:
-        shell: ${{ matrix.run_wrapper || 'bash --noprofile --norc -eo pipefail {0}' }}
-    runs-on: ${{ matrix.runs_on || 'macos-26' }}
-    strategy:
-      fail-fast: false
-      matrix: ${{ fromJSON(needs.make_macos_matrix.outputs.matrix_json) }}
-
-    steps:
-    - name: fetch sdist artifact
-      id: fetch_sdist
-      uses: actions/download-artifact@v8
-      with:
-        name: ${{ needs.python_sdist.outputs.sdist_artifact_name }}
-
-    - name: install python
-      uses: actions/setup-python@v6
-      with:
-        python-version: '3.12'
-
-    - name: build wheel prereqs
-      run: |
-        set -eux
-        python3 -m pip install --user --upgrade "${{ matrix.cibw_version || 'cibuildwheel' }}"
-        brew uninstall -f --ignore-dependencies libffi 2>&1 || true
-
-    - name: build/test wheels
-      id: build
-      env:
-        CIBW_BUILD: ${{ matrix.spec }}
-        CIBW_ENABLE: cpython-prerelease
-        CIBW_TEST_REQUIRES: pytest setuptools meson-python ninja
-        CIBW_TEST_COMMAND: pip install pip --upgrade; cd {project}; PYTHONUNBUFFERED=1 pytest
-        MACOSX_DEPLOYMENT_TARGET: ${{ matrix.deployment_target || '11.0' }}
-        SDKROOT: ${{ matrix.sdkroot || 'macosx' }}
-      run: |
-        set -eux
-
-        mkdir cffi
-
-        tar zxf ${{ steps.fetch_sdist.outputs.download-path }}/cffi*.tar.gz --strip-components=1 -C cffi
-
-        python3 -m cibuildwheel --output-dir dist cffi
-
-        echo "artifact_name=$(ls ./dist/)" >> "$GITHUB_OUTPUT"
-
-    - name: upload artifacts
-      uses: actions/upload-artifact@v7
-      with:
-        name: ${{ steps.build.outputs.artifact_name }}
-        path: dist/*.whl
-        if-no-files-found: error
-      if: ${{ env.skip_artifact_upload != 'true' }}
-
-  make_windows_matrix:
-    runs-on: ubuntu-24.04
-    outputs:
-      matrix_json: ${{ steps.make_matrix.outputs.matrix_json }}
-    steps:
-    - uses: actions/checkout@v7
-    - name: make a matrix
-      id: make_matrix
-      uses: ./.github/actions/dynamatrix
-      with:
-        matrix_yaml: |
-          include:
-          # x86_64 windows
-          - { spec: cp310-win_amd64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp311-win_amd64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp312-win_amd64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp313-win_amd64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp314-win_amd64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp314t-win_amd64, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp315-win_amd64 }
-          - { spec: cp315t-win_amd64 }
-          
-          # x86 windows
-          - { spec: cp310-win32, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp311-win32, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp312-win32, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp313-win32, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp314-win32, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp314t-win32, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp315-win32 }
-          - { spec: cp315t-win32 }
-
-          # arm64 windows
-          - { spec: cp311-win_arm64, runs_on: windows-11-arm, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp312-win_arm64, runs_on: windows-11-arm, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp313-win_arm64, runs_on: windows-11-arm, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp314-win_arm64, runs_on: windows-11-arm, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp314t-win_arm64, runs_on: windows-11-arm, omit: ${{ env.skip_ci_redundant_jobs }} }
-          - { spec: cp315-win_arm64, runs_on: windows-11-arm }
-          - { spec: cp315t-win_arm64, runs_on: windows-11-arm }
-
-  windows:
-    needs: [python_sdist, make_windows_matrix]
-    runs-on: ${{ matrix.runs_on || 'windows-2022' }}
-    strategy:
-      fail-fast: false
-      matrix: ${{ fromJSON(needs.make_windows_matrix.outputs.matrix_json) }}
-
-    steps:
-    - name: fetch sdist artifact
-      id: fetch_sdist
-      uses: actions/download-artifact@v8
-      with:
-        name: ${{ needs.python_sdist.outputs.sdist_artifact_name }}
-
-    - name: Install python
-      uses: actions/setup-python@v6
-      with:
-        python-version: 3.x
-
-    - name: build/test wheels
-      id: build
-      env:
-        CIBW_BUILD: ${{ matrix.spec }}
-        CIBW_ENABLE: cpython-prerelease
-        CIBW_TEST_REQUIRES: pytest setuptools meson-python ninja
-        CIBW_TEST_COMMAND: ${{ matrix.test_cmd || 'python -m pytest {package}/src/c' }}
-        # FIXME: /testing takes ~45min on Windows and has some failures...
-        # CIBW_TEST_COMMAND='python -m pytest {package}/src/c {package}/testing'
-      run: |
-        set -eux
-
-        mkdir cffi
-
-        tar zxf cffi*.tar.gz --strip-components=1 -C cffi
-
-        python -m pip install --upgrade pip
-        pip install "${{ matrix.cibw_version || 'cibuildwheel' }}"
-        python -m cibuildwheel --output-dir dist cffi
-
-        echo "artifact_name=$(ls ./dist/)" >> "$GITHUB_OUTPUT"
-
-      shell: bash
-
-    - name: upload artifacts
-      uses: actions/upload-artifact@v7
-      with:
-        name: ${{ steps.build.outputs.artifact_name }}
-        path: dist/*.whl
-        if-no-files-found: error
-      if: ${{ env.skip_artifact_upload != 'true' }}
-
-  make_ios_matrix:
-    runs-on: ubuntu-24.04
-    outputs:
-      matrix_json: ${{ steps.make_matrix.outputs.matrix_json }}
-    steps:
-    - uses: actions/checkout@v7
-    - name: make a matrix
-      id: make_matrix
-      uses: ./.github/actions/dynamatrix
-      with:
-        matrix_yaml: |
-          include:
-          # arm64 iOS device
-          - { spec: cp313-ios_arm64_iphoneos, platform: 'iphoneos' }
-          - { spec: cp314-ios_arm64_iphoneos, platform: 'iphoneos' }
-          - { spec: cp315-ios_arm64_iphoneos, platform: 'iphoneos' }
-
-          # arm64 iOS simulator
-          - { spec: cp313-ios_arm64_iphonesimulator, platform: 'iphonesimulator' }
-          - { spec: cp314-ios_arm64_iphonesimulator, platform: 'iphonesimulator' }
-          - { spec: cp315-ios_arm64_iphonesimulator, platform: 'iphonesimulator' }
-
-  ios:
-    needs: [python_sdist, make_ios_matrix]
-    runs-on: macos-14
-    strategy:
-      fail-fast: false
-      matrix: ${{ fromJSON(needs.make_ios_matrix.outputs.matrix_json) }}
-
-    steps:
-    - name: fetch sdist artifact
-      id: fetch_sdist
-      uses: actions/download-artifact@v8
-      with:
-        name: ${{ needs.python_sdist.outputs.sdist_artifact_name }}
-
-    - name: install python
-      uses: actions/setup-python@v6
-      with:
-        python-version: '3.13'
-
-    - name: build wheel prereqs
-      run: |
-        set -eux
-        python3 -m pip install --user --upgrade cibuildwheel>=3.1.0
-        brew uninstall -f --ignore-dependencies libffi 2>&1 || true
-
-    - name: download libffi for iOS
-      env:
-        CFFI_IOS_LIBFFI_VERSION: '3.4.7-2'
-      run: |
-        set -eux
-
-        # Download prebuilt libffi from beeware/cpython-apple-source-deps
-        platform="${{ matrix.platform }}"
-        version="${CFFI_IOS_LIBFFI_VERSION}"
-        url="https://github.com/beeware/cpython-apple-source-deps/releases/download/libFFI-${version}/libffi-${version}-${platform}.arm64.tar.gz"
-
-        echo "Downloading libffi for iOS (${platform})..."
-        curl -L -o libffi-ios.tar.gz "${url}"
-
-        # Extract libffi
-        mkdir -p libffi-ios
-        tar zxf libffi-ios.tar.gz -C libffi-ios
-
-        # Set up paths for cibuildwheel
-        echo "LIBFFI_IOS_DIR=$(pwd)/libffi-ios" >> "$GITHUB_ENV"
-
-    - name: build/test wheels
-      id: build
-      env:
-        CIBW_BUILD: ${{ matrix.spec }}
-        CIBW_ENABLE: cpython-prerelease
-        CIBW_PLATFORM: ios
-        SDKROOT: ${{ matrix.platform }}
-        CIBW_TEST_REQUIRES: pytest setuptools
-        CIBW_TEST_SOURCES: cffi
-        # Running tests from `testing/` will not work since they try to compile C code on device
-        CIBW_TEST_COMMAND: python -m pytest -sv cffi/src/c/
-        # Environment variables for the build
-        CIBW_ENVIRONMENT: >
-          CFLAGS="-I${LIBFFI_IOS_DIR}/include"
-          LDFLAGS="-L${LIBFFI_IOS_DIR}/lib"
-          PYTHONUNBUFFERED=1
-        # Pass through our custom env vars
-        CIBW_ENVIRONMENT_PASS_IOS: LIBFFI_IOS_DIR PYTHONUNBUFFERED
-        CIBW_XBUILD_TOOLS: ""
-      run: |
-        set -eux
-
-        mkdir cffi
-
-        tar zxf ${{ steps.fetch_sdist.outputs.download-path }}/cffi*.tar.gz --strip-components=1 -C cffi
-
-        python3 -m cibuildwheel --output-dir dist cffi
-
-        echo "artifact_name=$(ls ./dist/)" >> "$GITHUB_OUTPUT"
-
-    - name: upload artifacts
-      uses: actions/upload-artifact@v7
-      with:
-        name: ${{ steps.build.outputs.artifact_name }}
-        path: dist/*.whl
-        if-no-files-found: error
-      if: ${{ env.skip_artifact_upload != 'true' }}
-
   merge_artifacts:
-    needs: [python_sdist, linux, macos, windows, ios]
+    needs: [python_sdist, linux]
     runs-on: ubuntu-24.04
     steps:
     - name: merge all artifacts
@@ -542,8 +184,6 @@ jobs:
         matrix_yaml: |
           include:
           - { runner: ubuntu-24.04, python-version: 3.15t-dev }
-          - { runner: macos-26, python-version: 3.15t-dev }
-          - { runner: windows-2025, python-version: 3.15t-dev }
 
   pytest-run-parallel:
     needs: make_run_parallel_matrix
@@ -589,7 +229,7 @@ jobs:
 
   check:
     if: always()
-    needs: [python_sdist, linux, macos, windows, ios, clang_TSAN, pytest-run-parallel, merge_artifacts]
+    needs: [python_sdist, linux, clang_TSAN, pytest-run-parallel, merge_artifacts]
     runs-on: ubuntu-24.04
     steps:
     - name: Verify all previous jobs succeeded (provides a single check to sample for gating purposes)