scikit-learn · jeremiedbb · Jul 17, 2025 · May 20, 2025 · Jun 1, 2025 · Jun 2, 2025
diff --git a/.github/workflows/cuda-ci.yml b/.github/workflows/cuda-ci.yml
@@ -18,10 +18,10 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@faf86a6ed7efa889faf6996aa23820831055001a
+        uses: pypa/cibuildwheel@5f22145df44122af0f5a201f93cf0207171beca7
         env:
           CIBW_BUILD: cp313-manylinux_x86_64
-          CIBW_MANYLINUX_X86_64_IMAGE: manylinux2014
+          CIBW_MANYLINUX_X86_64_IMAGE: manylinux_2_28
           CIBW_BUILD_VERBOSITY: 1
           CIBW_ARCHS: x86_64
 

diff --git a/.github/workflows/emscripten.yml b/.github/workflows/emscripten.yml
@@ -67,7 +67,7 @@ jobs:
         with:
           persist-credentials: false
 
-      - uses: pypa/cibuildwheel@faf86a6ed7efa889faf6996aa23820831055001a
+      - uses: pypa/cibuildwheel@5f22145df44122af0f5a201f93cf0207171beca7
         env:
           CIBW_PLATFORM: pyodide
           SKLEARN_SKIP_OPENMP_TEST: "true"

diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
@@ -75,7 +75,7 @@ jobs:
           - os: windows-latest
             python: 313t
             platform_id: win_amd64
-            free_threaded_support: True
+            cibw_enable: cpython-freethreading
 
           # Linux 64 bit manylinux2014
           - os: ubuntu-latest
@@ -98,7 +98,7 @@ jobs:
             python: 313t
             platform_id: manylinux_x86_64
             manylinux_image: manylinux2014
-            free_threaded_support: True
+            cibw_enable: cpython-freethreading
 
           # # Linux 64 bit manylinux2014
           - os: ubuntu-24.04-arm
@@ -117,6 +117,11 @@ jobs:
             python: 313
             platform_id: manylinux_aarch64
             manylinux_image: manylinux2014
+          - os: ubuntu-24.04-arm
+            python: 313t
+            platform_id: manylinux_aarch64
+            manylinux_image: manylinux2014
+            cibw_enable: cpython-freethreading
 
           # MacOS x86_64
           - os: macos-13
@@ -134,7 +139,7 @@ jobs:
           - os: macos-13
             python: 313t
             platform_id: macosx_x86_64
-            free_threaded_support: True
+            cibw_enable: cpython-freethreading
 
           # MacOS arm64
           - os: macos-14
@@ -152,7 +157,7 @@ jobs:
           - os: macos-14
             python: 313t
             platform_id: macosx_arm64
-            free_threaded_support: True
+            cibw_enable: cpython-freethreading
 
     steps:
       - name: Checkout scikit-learn
@@ -168,8 +173,7 @@ jobs:
 
       - name: Build and test wheels
         env:
-          CIBW_PRERELEASE_PYTHONS: ${{ matrix.prerelease_pythons }}
-          CIBW_FREE_THREADED_SUPPORT: ${{ matrix.free_threaded_support }}
+          CIBW_ENABLE: ${{ matrix.cibw_enable }}
           CIBW_ENVIRONMENT: SKLEARN_SKIP_NETWORK_TESTS=1
           CIBW_BUILD: cp${{ matrix.python }}-${{ matrix.platform_id }}
           CIBW_ARCHS: all

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -7,9 +7,9 @@ repos:
     -   id: end-of-file-fixer
     -   id: trailing-whitespace
 -   repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.11.7
+    rev: v0.12.2
     hooks:
-    -   id: ruff
+    -   id: ruff-check
         args: ["--fix", "--output-format=full"]
     -   id: ruff-format
 -   repo: https://github.com/pre-commit/mirrors-mypy

diff --git a/azure-pipelines.yml b/azure-pipelines.yml
@@ -234,9 +234,9 @@ jobs:
         LOCK_FILE: './build_tools/azure/pylatest_conda_forge_mkl_osx-64_conda.lock'
         SKLEARN_TESTS_GLOBAL_RANDOM_SEED: '5'  # non-default seed
         SCIPY_ARRAY_API: '1'
-      pylatest_conda_mkl_no_openmp:
+      pylatest_conda_forge_mkl_no_openmp:
         DISTRIB: 'conda'
-        LOCK_FILE: './build_tools/azure/pylatest_conda_mkl_no_openmp_osx-64_conda.lock'
+        LOCK_FILE: './build_tools/azure/pylatest_conda_forge_mkl_no_openmp_osx-64_conda.lock'
         SKLEARN_TEST_NO_OPENMP: 'true'
         SKLEARN_SKIP_OPENMP_TEST: 'true'
         SKLEARN_TESTS_GLOBAL_RANDOM_SEED: '6'  # non-default seed
@@ -253,9 +253,9 @@ jobs:
         not(contains(dependencies['git_commit']['outputs']['commit.message'], '[ci skip]'))
       )
     matrix:
-      pymin_conda_forge_mkl:
+      pymin_conda_forge_openblas:
         DISTRIB: 'conda'
-        LOCK_FILE: ./build_tools/azure/pymin_conda_forge_mkl_win-64_conda.lock
+        LOCK_FILE: ./build_tools/azure/pymin_conda_forge_openblas_win-64_conda.lock
         SKLEARN_WARNINGS_AS_ERRORS: '1'
         # The Azure Windows runner is typically much slower than other CI
         # runners due to the lack of compiler cache. Running the tests with

diff --git a/build_tools/azure/debian_32bit_lock.txt b/build_tools/azure/debian_32bit_lock.txt
@@ -4,15 +4,15 @@
 #
 #    pip-compile --output-file=build_tools/azure/debian_32bit_lock.txt build_tools/azure/debian_32bit_requirements.txt
 #
-coverage[toml]==7.8.2
+coverage[toml]==7.9.2
     # via pytest-cov
-cython==3.1.1
+cython==3.1.2
     # via -r build_tools/azure/debian_32bit_requirements.txt
 iniconfig==2.1.0
     # via pytest
 joblib==1.5.1
     # via -r build_tools/azure/debian_32bit_requirements.txt
-meson==1.8.1
+meson==1.8.2
     # via meson-python
 meson-python==0.18.0
     # via -r build_tools/azure/debian_32bit_requirements.txt
@@ -24,14 +24,18 @@ packaging==25.0
     #   pyproject-metadata
     #   pytest
 pluggy==1.6.0
+    # via
+    #   pytest
+    #   pytest-cov
+pygments==2.19.2
     # via pytest
 pyproject-metadata==0.9.1
     # via meson-python
-pytest==8.3.5
+pytest==8.4.1
     # via
     #   -r build_tools/azure/debian_32bit_requirements.txt
     #   pytest-cov
-pytest-cov==6.1.1
+pytest-cov==6.2.1
     # via -r build_tools/azure/debian_32bit_requirements.txt
 threadpoolctl==3.6.0
     # via -r build_tools/azure/debian_32bit_requirements.txt
diff --git a/build_tools/azure/install_setup_conda.sh b/build_tools/azure/install_setup_conda.sh
@@ -3,22 +3,34 @@
 set -e
 set -x
 
-if [[ -z "${CONDA}" ]]; then
-    # In some runners (macOS-13 and macOS-14 in October 2024) conda is not
-    # installed so we install it ourselves
-    MINIFORGE_URL="https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-$(uname)-$(uname -m).sh"
-    wget ${MINIFORGE_URL} -O miniforge.sh
-    bash miniforge.sh -b -u -p $HOME/miniforge3
-    CONDA="$HOME/miniforge3"
+PLATFORM=$(uname)
+if [[ "$PLATFORM" =~ MINGW|MSYS ]]; then
+    PLATFORM=Windows
+fi
+if [[ "$PLATFORM" == "Windows" ]]; then
+    EXTENSION="exe"
+else
+    EXTENSION="sh"
+fi
+INSTALLER="miniforge.$EXTENSION"
+MINIFORGE_URL="https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-$PLATFORM-$(uname -m).$EXTENSION"
+curl -L ${MINIFORGE_URL} -o "$INSTALLER"
+
+MINIFORGE_DIR="$HOME/miniforge3"
+if [[ "$PLATFORM" == "Windows" ]]; then
+    WIN_MINIFORGE_DIR=$(cygpath -w "$MINIFORGE_DIR")
+    cmd "/C $INSTALLER /InstallationType=JustMe /RegisterPython=0 /S /D=$WIN_MINIFORGE_DIR"
 else
-    # In most runners (in October 2024) conda is installed,
-    # but in a system folder and we want it user writable
-    sudo chown -R $USER $CONDA
+    bash "$INSTALLER" -b -u -p $MINIFORGE_DIR
 fi
 
 # Add conda to the PATH so that it can be used in further Azure CI steps.
 # Need set +x for ##vso Azure magic otherwise it may add a quote in the PATH.
 # For more details, see https://github.com/microsoft/azure-pipelines-tasks/issues/10331
 set +x
-echo "##vso[task.prependpath]$CONDA/bin"
+if [[ "$PLATFORM" == "Windows" ]]; then
+   echo "##vso[task.prependpath]$MINIFORGE_DIR/Scripts"
+else
+   echo "##vso[task.prependpath]$MINIFORGE_DIR/bin"
+fi
 set -x