Fix PATH manipulation in action.yml

Don't get clever about it at all, instead make uv on PATH a hard
requirement.

.github/dependabot.yml

@@ -9,5 +9,3 @@ updates:
       actions:
         patterns:
           - "*"
-    cooldown:
-      default-days: 7

.github/workflows/release.yml

@@ -7,15 +7,11 @@ on:
     types:
     - published
 
-permissions: {}
-
 jobs:
   dist:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v6
-      with:
-        persist-credentials: false
 
     - uses: hynek/build-and-inspect-python-package@v2
 
@@ -31,13 +27,13 @@ jobs:
       attestations: write
 
     steps:
-    - uses: actions/download-artifact@v8
+    - uses: actions/download-artifact@v7
       with:
         name: Packages
         path: dist
 
     - name: Generate artifact attestation for sdist and wheel
-      uses: actions/attest-build-provenance@a2bbfa25375fe432b6a289bc6b6cd05ecd0c4c32 # v4.1.0
+      uses: actions/attest-build-provenance@977bb373ede98d70efdf65b84cb5f73e068dcc2a # v3.0.0
       with:
         subject-path: "dist/cibuildwheel-*"
 

.github/workflows/test.yml

@@ -28,8 +28,6 @@ on:
   workflow_dispatch:
     # allow manual runs on branches without a PR
 
-permissions: {}
-
 concurrency:
   group: test-${{ github.ref }}
   cancel-in-progress: true
@@ -40,41 +38,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v6
-      with:
-        persist-credentials: false
     - uses: actions/setup-python@v6
       id: python
       with:
         python-version: "3.x"
-    - uses: j178/prek-action@v1
+    - uses: pre-commit/action@v3.0.1
     - name: PyLint checks
       run: pipx run --python "${{ steps.python.outputs.python-path }}" nox -s pylint -- --output-format=github
 
-  sample:
-    name: Generate a sample project
-    needs: lint
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v6
-      with:
-        persist-credentials: false
-    - uses: actions/setup-python@v6
-      name: Install Python
-      with:
-        python-version: "3.x"
-    - uses: astral-sh/setup-uv@v7
-    - name: Install dependencies
-      run: uv sync --no-dev --group test
-    - name: Generate a sample project
-      run: uv run --no-sync -m test.test_projects test.test_0_basic.basic_project sample_proj
-    - uses: actions/upload-artifact@v7
-      with:
-        name: sample_proj
-        path: sample_proj
-
   test:
     name: Test on ${{ matrix.os }} (${{ matrix.python_version }}) ${{ matrix.test_select }}
-    needs: sample
+    needs: lint
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
@@ -118,8 +92,6 @@ jobs:
     timeout-minutes: 180
     steps:
     - uses: actions/checkout@v6
-      with:
-        persist-credentials: false
     - uses: actions/setup-python@v6
       name: Install Python ${{ matrix.python_version }}
       with:
@@ -139,7 +111,7 @@ jobs:
     # for oci_container unit tests
     - name: Set up QEMU
       if: runner.os == 'Linux'
-      uses: docker/setup-qemu-action@v4
+      uses: docker/setup-qemu-action@v3
 
     - name: Set up Xcode
       if: ${{ startsWith(matrix.os, 'macos-15') }}
@@ -148,7 +120,8 @@ jobs:
         sudo xcode-select --switch /Applications/Xcode_16.4.app
 
     - name: Install dependencies
-      run: uv sync --no-dev --group test
+      run: |
+        uv sync --no-dev --group test
 
     - uses: joerick/pr-labels-action@v1.0.9
 
@@ -171,11 +144,9 @@ jobs:
         fi
         echo "CIBW_ENABLE=${CIBW_ENABLE}" >> $GITHUB_ENV
 
-    - name: Download a sample project
+    - name: Generate a sample project
-      uses: actions/download-artifact@v8
+      run: |
-      with:
+        uv run --no-sync -m test.test_projects test.test_0_basic.basic_project sample_proj
-        name: sample_proj
-        path: sample_proj
 
     - name: Run a sample build (GitHub Action)
       uses: ./
@@ -230,7 +201,7 @@ jobs:
       run: |
         test $(find wheelhouse_only -name '*.whl' | wc -l) -eq 1
 
-    - uses: actions/upload-artifact@v7
+    - uses: actions/upload-artifact@v6
       with:
         name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
         path: wheelhouse/*.whl
@@ -238,7 +209,8 @@ jobs:
     - name: Test cibuildwheel
       env:
         CIBW_TEST_RUNTIME: ${{ matrix.test_runtime }}
-      run: uv run --no-sync bin/run_tests.py --test-select=${{ matrix.test_select || 'native' }} ${{ (runner.os == 'Linux' && runner.arch == 'X64') && '--run-podman' || '' }}
+      run: |
+        uv run --no-sync bin/run_tests.py --test-select=${{ matrix.test_select || 'native' }} ${{ (runner.os == 'Linux' && runner.arch == 'X64') && '--run-podman' || '' }}
 
   emulated-archs:
     name: Get qemu emulated architectures
@@ -248,8 +220,6 @@ jobs:
       archs: ${{ steps.archs.outputs.archs }}
     steps:
     - uses: actions/checkout@v6
-      with:
-        persist-credentials: false
     - uses: actions/setup-python@v6
       with:
         python-version: "3.x"
@@ -273,8 +243,6 @@ jobs:
         arch: ${{ fromJSON(needs.emulated-archs.outputs.archs) }}
     steps:
     - uses: actions/checkout@v6
-      with:
-        persist-credentials: false
     - uses: actions/setup-python@v6
       with:
         python-version: "3.x"
@@ -283,20 +251,18 @@ jobs:
       run: uv sync --no-dev --group test
 
     - name: Set up QEMU
-      uses: docker/setup-qemu-action@v4
+      uses: docker/setup-qemu-action@v3
 
     - name: Run the emulation tests
       run: uv run --no-sync pytest --run-emulation ${{ matrix.arch }} test/test_emulation.py
 
   test-pyodide:
     name: Test pyodide
-    needs: sample
+    needs: lint
     runs-on: ubuntu-24.04
     timeout-minutes: 180
     steps:
     - uses: actions/checkout@v6
-      with:
-        persist-credentials: false
     - uses: actions/setup-python@v6
       name: Install Python 3.12
       with:
@@ -306,11 +272,9 @@ jobs:
     - name: Install dependencies
       run: uv sync --no-dev --group test
 
-    - name: Download a sample project
+    - name: Generate a sample project
-      uses: actions/download-artifact@v8
+      run: |
-      with:
+        uv run --no-sync -m test.test_projects test.test_0_basic.basic_project sample_proj
-        name: sample_proj
-        path: sample_proj
 
     - name: Run a sample build (GitHub Action)
       uses: ./
@@ -321,45 +285,7 @@ jobs:
         CIBW_PLATFORM: pyodide
 
     - name: Run tests with 'CIBW_PLATFORM' set to 'pyodide'
-      run: uv run --no-sync ./bin/run_tests.py
+      run: |
+        uv run --no-sync ./bin/run_tests.py
       env:
         CIBW_PLATFORM: pyodide
-
-  test-uv-extras:
-    name: Test uv extra on ${{ matrix.os }} ${{ matrix.test_select }}
-    needs: sample
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-        - os: ubuntu-latest
-          test_select: android
-        - os: windows-latest
-        - os: windows-11-arm
-        - os: macos-15-intel
-        - os: macos-15
-        - os: macos-15-intel
-          test_select: android
-        - os: macos-15
-          test_select: android
-    steps:
-    - uses: actions/checkout@v6
-      with:
-        persist-credentials: false
-    - name: Download a sample project
-      uses: actions/download-artifact@v8
-      with:
-        name: sample_proj
-        path: sample_proj
-    - name: Run a sample build (GitHub Action)
-      uses: ./
-      with:
-        extras: uv
-        package-dir: sample_proj
-        output-dir: wheelhouse
-      env:
-        CIBW_ARCHS_MACOS: x86_64 universal2 arm64
-        CIBW_BUILD: cp314-*
-        CIBW_BUILD_FRONTEND: 'build[uv]'
-        CIBW_PLATFORM: ${{ matrix.test_select }}

.github/workflows/update-dependencies.yml

@@ -14,15 +14,11 @@ on:
   schedule:
     - cron: '0 6 * * 1'  # "At 06:00 on Monday."
 
-permissions: {}
-
 jobs:
   update-dependencies:
     name: Update dependencies
     if: github.repository_owner == 'pypa' || github.event_name != 'schedule'
     runs-on: ubuntu-latest
-    permissions:
-      contents: write
     steps:
 
     # we use this step to grab a Github App auth token, so that PRs generated by this workflow
@@ -35,10 +31,8 @@ jobs:
         private-key: ${{ secrets.CIBUILDWHEEL_BOT_APP_PRIVATE_KEY }}
 
     - uses: actions/checkout@v6
-      with:
-        persist-credentials: false
 
-    - uses: wntrblm/nox@2026.02.09
+    - uses: wntrblm/nox@2025.11.12
 
     - name: "Run update: dependencies"
       run: nox --force-color -s update_constraints

.github/workflows/update-major-minor-tag.yml

@@ -22,8 +22,6 @@ jobs:
       contents: write
     steps:
       - uses: actions/checkout@v6
-        with:
-          persist-credentials: false
 
       - name: Update the ${{ env.TAG_NAME }} tag
         id: update-major-minor-tag

.pre-commit-config.yaml

@@ -1,7 +1,5 @@
-ci:
-  autoupdate_schedule: monthly
-
 repos:
+
 - repo: https://github.com/pre-commit/pre-commit-hooks
   rev: v6.0.0
   hooks:
@@ -16,7 +14,7 @@ repos:
   - id: trailing-whitespace
 
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: v0.15.5
+  rev: v0.14.9
   hooks:
   - id: ruff-check
     args: ["--fix", "--show-fixes"]
@@ -77,7 +75,7 @@ repos:
     additional_dependencies: [cogapp>=3.5]
 
 - repo: https://github.com/codespell-project/codespell
-  rev: v2.4.2
+  rev: v2.4.1
   hooks:
   - id: codespell
     args: ["-w"]
@@ -85,7 +83,7 @@ repos:
 
 
 - repo: https://github.com/python-jsonschema/check-jsonschema
-  rev: 0.37.0
+  rev: 0.36.0
   hooks:
     - id: check-dependabot
     - id: check-github-actions

.travis.yml

@@ -0,0 +1,79 @@
+os: linux
+dist: jammy
+language: python
+
+branches:
+  only:
+  - main
+
+# only build the main branch or PR that explicitely want to test with Travis CI
+if: (type = "push") OR (commit_message =~ /travis-ci/)
+
+jobs:
+  include:
+    - name: Linux | x86_64 + i686 | Python 3.12
+      python: 3.12
+      services: docker
+      env:
+        - PYTHON=python
+        # a build using CIBW_ENABLE=all does not fit into Travis' time limit,
+        # so only the defaults are tested
+
+    - name: Linux | arm64 | Python 3.12
+      python: 3.12
+      services: docker
+      arch: arm64
+      env:
+        - PYTHON=python
+        - CIBW_ENABLE=all
+
+    - name: Linux | ppc64le | Python 3.12
+      python: 3.12
+      services: docker
+      arch: ppc64le
+      allow_failure: True
+      env:
+        - PYTHON=python
+        # skip test_manylinuxXXXX_only, it uses too much disk space
+        # c.f. https://travis-ci.community/t/running-out-of-disk-space-quota-when-using-docker-on-ppc64le/11634
+        - PYTEST_ADDOPTS='-k "not test_manylinuxXXXX_only"'
+        - CIBW_ENABLE=all
+
+    - name: Windows | x86_64 | Python 3.12
+      os: windows
+      language: shell
+      before_install:
+        # http://woshub.com/updating-trusted-root-certificates-in-windows-10
+        - certutil -generateSSTFromWU roots.sst
+        - powershell -Command 'Get-ChildItem -Path roots.sst | Import-Certificate -CertStoreLocation Cert:\LocalMachine\Root'
+        - rm -f roots.sst
+        - choco upgrade python3 -y --version 3.12.8 --limit-output --params "/InstallDir:C:\\Python312"
+      env:
+        - PYTHON=C:\\Python312\\python
+        # a build using CIBW_ENABLE=all does not fit into Travis' time limit,
+        # so only the defaults are tested
+
+    - name: Linux | s390x | Python 3.12
+      python: 3.12
+      services: docker
+      arch: s390x
+      allow_failure: True
+      env:
+        - PYTHON=python
+        - CIBW_ENABLE=all
+
+install:
+- if [ "${TRAVIS_OS_NAME}" == "linux" ]; then docker run --rm --privileged docker.io/tonistiigi/binfmt:latest --install all; fi
+- $PYTHON -m pip install -U pip
+- $PYTHON -m pip install -e. --group test
+
+script: |
+  # travis_wait disable the output while waiting
+  # use the same kind of tricks as in multibuild
+  (while true; do echo "travis_keep_alive"; sleep 300; done) &
+  SPINNER_PID=$!
+  disown
+  result=0
+  $PYTHON ./bin/run_tests.py --num-processes 2 || result=1
+  kill -9 ${SPINNER_PID}
+  test ${result} -eq 0

CI.md

@@ -1,9 +1,11 @@
 This is a summary of the host Python versions and platforms covered by the different CI platforms:
 
-|         | 3.11                             | 3.12                            | 3.13           | 3.14           |
+|         | 3.11                             | 3.12                                        | 3.13           |
-|---------|----------------------------------|---------------------------------|----------------|----------------|
+|---------|----------------------------------|---------------------------------------------|----------------|
-| Linux   | Azure Pipelines / GitHub Actions | CircleCI¹ / Cirrus CI / GitLab¹ | GitHub Actions | GitHub Actions |
+| Linux   | Azure Pipelines / GitHub Actions | CircleCI¹ / Cirrus CI / GitLab¹ / Travis CI | GitHub Actions |
-| macOS   | Azure Pipelines                  | CircleCI¹ / Cirrus CI / GitLab¹ | GitHub Actions |                |
+| macOS   | Azure Pipelines                  | CircleCI¹ / Cirrus CI / GitLab¹             | GitHub Actions |
-| Windows | Azure Pipelines                  | Cirrus CI / GitLab¹             | GitHub Actions |                |
+| Windows | Azure Pipelines                  | Cirrus CI / GitLab¹ / Travis CI             | GitHub Actions |
 
 > ¹ Runs a reduced set of tests to reduce CI load
+
+Non-x86 architectures are covered on Travis CI using Python 3.12.

LICENSE

@@ -1,9 +1,24 @@
-Copyright 2017, Joe Rickerby and contributors. All rights reserved.
+This project is licensed under the 'BSD 2-clause license'.
 
-Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+Copyright (c) 2017-2025, Joe Rickerby and contributors. All rights reserved.
 
-1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
 
-2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+1. Redistributions of source code must retain the above copyright notice, this
+list of conditions and the following disclaimer.
 
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+2. Redistributions in binary form must reproduce the above copyright notice,
+this list of conditions and the following disclaimer in the documentation
+and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

@@ -4,6 +4,7 @@ cibuildwheel
 [![PyPI](https://img.shields.io/pypi/v/cibuildwheel.svg)](https://pypi.python.org/pypi/cibuildwheel)
 [![Documentation Status](https://readthedocs.org/projects/cibuildwheel/badge/?version=stable)](https://cibuildwheel.pypa.io/en/stable/?badge=stable)
 [![Actions Status](https://github.com/pypa/cibuildwheel/workflows/Test/badge.svg)](https://github.com/pypa/cibuildwheel/actions)
+[![Travis Status](https://img.shields.io/travis/com/pypa/cibuildwheel/main?logo=travis)](https://travis-ci.com/github/pypa/cibuildwheel)
 [![CircleCI Status](https://img.shields.io/circleci/build/gh/pypa/cibuildwheel/main?logo=circleci)](https://circleci.com/gh/pypa/cibuildwheel)
 [![Azure Status](https://dev.azure.com/joerick0429/cibuildwheel/_apis/build/status/pypa.cibuildwheel?branchName=main)](https://dev.azure.com/joerick0429/cibuildwheel/_build/latest?definitionId=4&branchName=main)
 
@@ -14,7 +15,7 @@ cibuildwheel
 
 Python wheels are great. Building them across **Mac, Linux, Windows**, on **multiple versions of Python**, is not.
 
-`cibuildwheel` is here to help. `cibuildwheel` runs on your CI server - currently it supports GitHub Actions, Azure Pipelines, CircleCI, and GitLab CI - and it builds and tests your wheels across all of your platforms.
+`cibuildwheel` is here to help. `cibuildwheel` runs on your CI server - currently it supports GitHub Actions, Azure Pipelines, Travis CI, CircleCI, and GitLab CI - and it builds and tests your wheels across all of your platforms.
 
 
 What does it do?
@@ -45,7 +46,7 @@ While cibuildwheel itself requires a recent Python version to run (we support th
 <sup>⁵ manylinux armv7l support is experimental. As there are no RHEL based image for this architecture, it's using an Ubuntu based image instead.</sup><br>
 
 - Builds manylinux, musllinux, macOS, and Windows wheels for CPython, PyPy, and GraalPy
-- Works on GitHub Actions, Azure Pipelines, CircleCI, GitLab CI, and Cirrus CI
+- Works on GitHub Actions, Azure Pipelines, Travis CI, CircleCI, GitLab CI, and Cirrus CI
 - Bundles shared library dependencies on Linux and macOS through [auditwheel](https://github.com/pypa/auditwheel) and [delocate](https://github.com/matthew-brett/delocate)
 - Runs your library's tests against the wheel-installed version of your library
 
@@ -60,6 +61,7 @@ Usage
 |-----------------|-------|-------|---------|-----------|-----------|-------------|---------|-----|
 | GitHub Actions  | ✅    | ✅    | ✅       | ✅        | ✅        | ✅²         | ✅⁴      | ✅³  |
 | Azure Pipelines | ✅    | ✅    | ✅       |           | ✅        | ✅²         | ✅⁴      | ✅³  |
+| Travis CI       | ✅    |       | ✅      | ✅        |           |             | ✅⁴      |     |
 | CircleCI        | ✅    | ✅    |         | ✅        | ✅        |             | ✅⁴      | ✅³  |
 | Gitlab CI       | ✅    | ✅    | ✅      | ✅¹       | ✅        |             | ✅⁴      | ✅³  |
 | Cirrus CI       | ✅    | ✅    | ✅      | ✅        | ✅        |             | ✅⁴      |      |
@@ -91,15 +93,13 @@ jobs:
         os: [ubuntu-latest, ubuntu-24.04-arm, windows-latest, windows-11-arm, macos-15-intel, macos-latest]
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
-        with:
-          persist-credentials: false
 
       # Used to host cibuildwheel
-      - uses: actions/setup-python@v6
+      - uses: actions/setup-python@v5
 
       - name: Install cibuildwheel
-        run: python -m pip install cibuildwheel==3.4.0
+        run: python -m pip install cibuildwheel==3.3.0
 
       - name: Build wheels
         run: python -m cibuildwheel --output-dir wheelhouse
@@ -108,7 +108,7 @@ jobs:
         #   CIBW_SOME_OPTION: value
         #   ...
 
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v4
         with:
           name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
           path: ./wheelhouse/*.whl
@@ -126,11 +126,6 @@ The following diagram summarises the steps that cibuildwheel takes on each platf
 
 <sup>Explore an interactive version of this diagram [in the docs](https://cibuildwheel.pypa.io/en/stable/#how-it-works).</sup>
 
-> [!WARNING]
-> Building and testing wheels executes arbitrary code from your project and its dependencies. Although cibuildwheel uses OCI containers and Pyodide for some builds, these provide no security guarantees - the code you're building and testing has full access to the environment that's invoking cibuildwheel.
->
-> If you cannot trust all the code that's pulled in, maintain good security hygiene: keep the job that builds distributions separate from the job that uploads them to PyPI, handle secrets and credentials with care and rotate them regularly, and follow the principle of least privilege when granting permissions. Do not store sensitive data on CI runners.
-
 
 <!--[[[cog from readme_options_table import get_table; print(get_table()) ]]]-->
 
@@ -190,8 +185,8 @@ Here are some repos that use cibuildwheel.
 | [pytorch-fairseq][]               | ![github icon][] | ![apple icon][] ![linux icon][] | Facebook AI Research Sequence-to-Sequence Toolkit written in Python. |
 | [NumPy][]                         | ![github icon][] ![travisci icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | The fundamental package for scientific computing with Python. |
 | [NCNN][]                          | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | ncnn is a high-performance neural network inference framework optimized for the mobile platform |
-| [Matplotlib][]                    | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | The venerable Matplotlib, a Python library with C++ portions |
 | [Tornado][]                       | ![github icon][] | ![linux icon][] ![apple icon][] ![windows icon][] | Tornado is a Python web framework and asynchronous networking library. Uses stable ABI for a small C extension. |
+| [Matplotlib][]                    | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | The venerable Matplotlib, a Python library with C++ portions |
 | [MyPy][]                          | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | The compiled version of MyPy using MyPyC. |
 | [Prophet][]                       | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Tool for producing high quality forecasts for time series data that has multiple seasonality with linear or non-linear growth. |
 | [Kivy][]                          | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Open source UI framework written in Python, running on Windows, Linux, macOS, Android and iOS |
@@ -201,8 +196,8 @@ Here are some repos that use cibuildwheel.
 [pytorch-fairseq]: https://github.com/facebookresearch/fairseq
 [NumPy]: https://github.com/numpy/numpy
 [NCNN]: https://github.com/Tencent/ncnn
-[Matplotlib]: https://github.com/matplotlib/matplotlib
 [Tornado]: https://github.com/tornadoweb/tornado
+[Matplotlib]: https://github.com/matplotlib/matplotlib
 [MyPy]: https://github.com/mypyc/mypy_mypyc-wheels
 [Prophet]: https://github.com/facebook/prophet
 [Kivy]: https://github.com/kivy/kivy
@@ -235,23 +230,6 @@ Changelog
 
 <!-- [[[cog from readme_changelog import mini_changelog; print(mini_changelog()) ]]] -->
 
-### v3.4.0
-
-_5 March 2026_
-
-- 🌟 You can now build wheels using `uv` as a build frontend. This should improve performance, especially if your project has lots of build dependencies. To use, set [`build-frontend`](https://cibuildwheel.pypa.io/en/stable/options/#build-frontend) to `uv`. (#2322)
-- ⚠️ We no longer support running on Travis CI. It may continue working but we don't run tests there anymore so we can't be sure. (#2682)
-- ✨ Improvements to building rust wheels on Android (#2650)
-- 🐛 Fix bug with the GitHub Action on Windows, where PATH was getting unnecessarily changed, causing issues with meson builds. (#2723)
-- ✨ Add support for quiet setting on `build` and `uv` from the cibuildwheel `build-verbosity` setting. (#2737)
-- 📚 Docs updates, including guidance on using Meson on Windows (#2718)
-
-### v3.3.1
-
-_5 January 2026_
-
-- 🛠 Update dependencies and container pins, including updating to CPython 3.14.2. (#2708)
-
 ### v3.3.0
 
 _12 November 2025_
@@ -285,7 +263,34 @@ _22 September 2025_
 - ⚠️ PyPy 3.10 was moved to `pypy-eol` in the `enable` option, as it is now end-of-life. (#2521)
 - 📚 Docs improvements (#2574, #2601, #2598)
 
-<!-- [[[end]]] (sum: aO1wNWSgKa) -->
+### v3.1.4
+
+_19 August 2025_
+
+- ✨ Add a `--clean-cache` command to clean up our cache (#2489)
+- 🛠 Update Python to 3.14rc2 and other patch version bumps (#2542, #2556)
+- 🛠 Update Pyodide to 0.28.2 (#2562, #2558)
+- 🐛 Fix resolution with `pyodide-build` when `dependency-versions` is set (#2548)
+- 🐛 Set `CMAKE_FIND_ROOT_PATH_MODE_PACKAGE` to `BOTH` on Android (#2547)
+- 🐛 Add `patchelf` dependency for platforms that can build Android wheels (#2552)
+- 🐛 Ignore empty values for `CIBW_ARCHS` like most other environment variables (#2541)
+- 💼 The `color` and `suggest_on_error` argparse options are now default in 3.14rc1+ (#2554)
+- 💼 Use the virtualenv release URL instead of blob URL (should be more robust) (#2555)
+- 🧪 For iOS, lowering to macos-14 is needed for now due to issues with GitHub's runner images (#2557)
+- 🧪 Split out platforms iOS and Android in our tests (#2519)
+- 🧪 Fix and enable doctests (#2546)
+- 📚 Improve our docs on free-threading (#2549)
+
+
+### v3.1.3
+
+_1 August 2025_
+
+- 🐛 Fix bug where "latest" dependencies couldn't update to pip 25.2 on Windows (#2537)
+- 🧪 Use pytest-rerunfailures to improve some of our iOS/Android tests (#2527, #2539)
+- 🧪 Remove some GraalPy Windows workarounds in our tests (#2501)
+
+<!-- [[[end]]] (sum: vS54piNR4b) -->
 
 ---
 

action.yml

@@ -28,10 +28,10 @@ branding:
 runs:
   using: composite
   steps:
-    - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
+    - uses: actions/setup-python@v6
       id: python
       with:
-        python-version: "3.11 - 3.14"
+        python-version: "3.11 - 3.13"
         update-environment: false
 
     - id: cibw
@@ -69,28 +69,13 @@ runs:
         venv_path = Path(r"${{ runner.temp }}") / "cibw"
         if venv_path.exists():
             shutil.rmtree(venv_path)
-
         builder = EnvBuilder()
         builder.create(venv_path)
-        exposed_binaries = {"cibuildwheel"}
-
-        if "uv" in EXTRAS:
-            exposed_binaries.add("uv")
-        clean_bin_path = builder.bin_path.parent / f"{builder.bin_path.name}.clean"
-        clean_bin_path.mkdir()
-
-        for path in list(builder.bin_path.iterdir()):
-            if path.stem in exposed_binaries:
-                try:
-                    os.symlink(path, clean_bin_path / path.name)
-                except OSError:
-                    shutil.copy2(path, clean_bin_path / path.name)
-
         cibw_bin = [p for p in builder.bin_path.glob("cibuildwheel*") if p.stem == "cibuildwheel"][0]
 
         with open(os.environ["GITHUB_OUTPUT"], "at") as f:
             f.write(f"cibw-bin={cibw_bin}\n")
-            f.write(f"prepend-path={clean_bin_path}\n")
+            f.write(f"prepend-path={builder.bin_path if 'uv' in EXTRAS else ''}\n")
 
         print("::endgroup::")
         EOF
@@ -98,8 +83,10 @@ runs:
 
     # Redirecting stderr to stdout to fix interleaving issue in Actions.
     - run: |
-        export PATH="${{ steps.cibw.outputs.prepend-path }}:$PATH"
+        prepend_path="${{ steps.cibw.outputs.prepend-path }}"
-
+        if [ -n "$prepend_path" ]; then
+            export PATH="$prepend_path:$PATH"
+        fi
         "${{ steps.cibw.outputs.cibw-bin }}" \
           "${{ inputs.package-dir }}" \
           ${{ inputs.output-dir != ''  && format('--output-dir "{0}"', inputs.output-dir) || ''}} \
@@ -111,7 +98,10 @@ runs:
 
     # Windows needs powershell to interact nicely with Meson
     - run: |
-        $env:PATH = "${{ steps.cibw.outputs.prepend-path }};$env:PATH"
+        $PrependPath = "${{ steps.cibw.outputs.prepend-path }}"
+        if ($PrependPath) {
+            $env:PATH = "$PrependPath;$env:PATH"
+        }
         & "${{ steps.cibw.outputs.cibw-bin }}" `
           "${{ inputs.package-dir }}" `
           ${{ inputs.output-dir != ''  && format('--output-dir "{0}"', inputs.output-dir) || ''}} `

bin/bump_version.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 # /// script
-# dependencies = ["click", "packaging", "prek"]
+# dependencies = ["click", "packaging"]
 # ///
 
 
@@ -139,7 +139,7 @@ def bump_version() -> None:
     # run pre-commit to update the README changelog
     subprocess.run(
         [
-            "prek",
+            "pre-commit",
             "run",
             "--files=docs/changelog.md",
         ],
@@ -149,7 +149,7 @@ def bump_version() -> None:
     # run pre-commit to check that no errors occurred on the second run
     subprocess.run(
         [
-            "prek",
+            "pre-commit",
             "run",
             "--files=docs/changelog.md",
         ],

bin/generate_schema.py

@@ -28,6 +28,7 @@ $defs:
     description: How to inherit the parent's value.
   enable:
     enum:
+      - cpython-experimental-riscv64
       - cpython-freethreading
       - cpython-prerelease
       - graalpy
@@ -57,23 +58,21 @@ properties:
     type: string_array
   build-frontend:
     default: default
-    description: Set the tool to use to build, either "build" (default), "build[uv]", "uv", or "pip"
+    description: Set the tool to use to build, either "build" (default), "build[uv]", or "pip"
     oneOf:
-      - enum: [pip, build, "build[uv]", uv, default]
+      - enum: [pip, build, "build[uv]", default]
       - type: string
         pattern: '^pip; ?args:'
       - type: string
         pattern: '^build; ?args:'
       - type: string
         pattern: '^build\\[uv\\]; ?args:'
-      - type: string
-        pattern: '^uv; ?args:'
       - type: object
         additionalProperties: false
         required: [name]
         properties:
           name:
-            enum: [pip, build, "build[uv]", uv]
+            enum: [pip, build, "build[uv]"]
           args:
             type: array
             items:

bin/run_example_ci_configs.py

@@ -16,8 +16,6 @@ import click
 
 DIR = Path(__file__).parent.parent.resolve()
 
-BuildBackend = typing.Literal["setuptools", "meson"]
-
 
 def shell(cmd: str, *, check: bool, **kwargs: object) -> subprocess.CompletedProcess[str]:
     return subprocess.run([cmd], shell=True, check=check, **kwargs)  # type: ignore[call-overload, no-any-return]
@@ -29,17 +27,11 @@ def git_repo_has_changes() -> bool:
     return unstaged_changes or staged_changes
 
 
-def generate_project(path: Path, build_backend: BuildBackend) -> None:
+def generate_basic_project(path: Path) -> None:
     sys.path.insert(0, "")
-    match build_backend:
+    from test.test_projects.c import new_c_project  # noqa: PLC0415
-        case "meson":
-            from test.test_projects.meson import new_meson_project as new_project  # noqa: PLC0415
-        case "setuptools":
-            from test.test_projects.setuptools import new_c_project as new_project  # noqa: PLC0415
-        case _:
-            typing.assert_never(build_backend)
 
-    project = new_project()
+    project = new_c_project()
     project.generate(path)
 
 
@@ -47,10 +39,10 @@ class CIService(typing.NamedTuple):
     name: str
     dst_config_path: str
     badge_md: str
-    config_file_transform: typing.Callable[[str, str], str] = lambda x, _: x  # identity by default
+    config_file_transform: typing.Callable[[str], str] = lambda x: x  # identity by default
 
 
-def github_config_file_transform(content: str, git_ref: str) -> str:
+def github_config_file_transform(content: str) -> str:
     # one of the the github configs only builds on main, so we need to remove that restriction
     # so our example build will run on the test branch.
     #
@@ -69,22 +61,6 @@ def github_config_file_transform(content: str, git_ref: str) -> str:
         "push:",
         content,
     )
-
-    # use the version of cibuildwheel from the current commit, not the latest
-    # release
-    # replace:
-    # """
-    # uses: pypa/cibuildwheel@v3.3.1
-    # """
-    # with:
-    # """
-    # uses: pypa/cibuildwheel@<latest commit hash>
-    # """
-    content = re.sub(
-        r"uses: pypa/cibuildwheel@v.*",
-        f"uses: pypa/cibuildwheel@{git_ref}",
-        content,
-    )
     return content
 
 
@@ -134,23 +110,20 @@ def ci_service_for_config_file(config_file: Path) -> CIService:
 
 @click.command()
 @click.argument("config_files", nargs=-1, type=click.Path())
-@click.option("--build-backend", type=click.Choice(["setuptools", "meson"]), default="setuptools")
+def run_example_ci_configs(config_files=None):
-def run_example_ci_configs(
-    config_files: list[str], build_backend: BuildBackend = "setuptools"
-) -> None:
     """
     Test the example configs. If no files are specified, will test
     examples/*-minimal.yml
     """
 
     if len(config_files) == 0:
-        config_file_paths = list(Path("examples").glob("*-minimal.yml"))
+        config_files = Path("examples").glob("*-minimal.yml")
     else:
-        config_file_paths = [Path(f) for f in config_files]
+        config_files = [Path(f) for f in config_files]
 
     # check each CI service has at most 1 config file
     configs_by_service = set()
-    for config_file in config_file_paths:
+    for config_file in config_files:
         service = ci_service_for_config_file(config_file)
         if service.name in configs_by_service:
             msg = "You cannot specify more than one config per CI service"
@@ -164,9 +137,6 @@ def run_example_ci_configs(
     previous_branch = shell(
         "git rev-parse --abbrev-ref HEAD", check=True, capture_output=True, encoding="utf8"
     ).stdout.strip()
-    git_ref = shell(
-        "git rev-parse HEAD", check=True, capture_output=True, encoding="utf8"
-    ).stdout.strip()
 
     timestamp = time.strftime("%Y-%m-%dT%H-%M-%S", time.gmtime())
     branch_name = f"example-config-test---{previous_branch}-{timestamp}"
@@ -175,16 +145,16 @@ def run_example_ci_configs(
         shell(f"git checkout --orphan {branch_name}", check=True)
 
         example_project = Path("example_root")
-        generate_project(example_project, build_backend=build_backend)
+        generate_basic_project(example_project)
 
-        for config_file in config_file_paths:
+        for config_file in config_files:
             service = ci_service_for_config_file(config_file)
             dst_config_file = example_project / service.dst_config_path
 
             dst_config_file.parent.mkdir(parents=True, exist_ok=True)
 
             contents = config_file.read_text(encoding="utf8")
-            contents = service.config_file_transform(contents, git_ref)
+            contents = service.config_file_transform(contents)
             dst_config_file.write_text(contents, encoding="utf8")
 
         subprocess.run(["git", "add", example_project], check=True)
@@ -208,14 +178,14 @@ def run_example_ci_configs(
         print("> ")
         print("> | Service | Config | Status |")
         print("> |---|---|---|")
-        for config_file in config_file_paths:
+        for config_file in config_files:
             service = ci_service_for_config_file(config_file)
             badge = service.badge_md.format(
                 branch=branch_name, branch_escaped=quote(branch_name, safe="")
             )
             print(f"> | {service.name} | `{config_file}` | {badge} |")
         print("> ")
-        print(f"> Generated by `{' '.join(sys.argv)}`")
+        print("> Generated by `bin/run_example_ci_config.py`")
         print()
         print("---")
     finally:

bin/update_pythons.py

@@ -117,7 +117,7 @@ class GraalPyVersions:
 
         self.releases = [r for r in releases if "graalpy_version" in r and "python_version" in r]
 
-    def update_version(self, identifier: str, spec: Specifier) -> ConfigUrl | None:
+    def update_version(self, identifier: str, spec: Specifier) -> ConfigUrl:
         if "x86_64" in identifier or "amd64" in identifier:
             arch = "x86_64"
         elif "arm64" in identifier or "aarch64" in identifier:
@@ -126,14 +126,14 @@ class GraalPyVersions:
             msg = f"{identifier} not supported yet on GraalPy"
             raise RuntimeError(msg)
 
-        gpspec_str = identifier.split("-", maxsplit=1)[0].split("_")[1]
+        gpspec_str = identifier.split("-")[0].split("_")[1]
         if "." not in gpspec_str and len(gpspec_str) == 3:
             gpspec_str = gpspec_str[:2] + "." + gpspec_str[-1]
         gpspec = Specifier(f"=={gpspec_str}.*")
 
-        releases_tmp = (r for r in self.releases if spec.contains(r["python_version"]))
+        releases = [r for r in self.releases if spec.contains(r["python_version"])]
-        releases_tmp = (r for r in releases_tmp if gpspec.contains(r["graalpy_version"]))
+        releases = [r for r in self.releases if gpspec.contains(r["graalpy_version"])]
-        releases = sorted(releases_tmp, key=lambda r: r["graalpy_version"])
+        releases = sorted(releases, key=lambda r: r["graalpy_version"])
 
         if not releases:
             msg = f"GraalPy {arch} not found for {spec}!"
@@ -155,20 +155,18 @@ class GraalPyVersions:
 
         arch = "amd64" if arch == "x86_64" else "aarch64"
         ext = "zip" if "win" in identifier else "tar.gz"
-        urls = [
+        (url,) = (
             rf["browser_download_url"]
             for rf in release["assets"]
             if rf["name"].endswith(f"{platform}-{arch}.{ext}")
             and rf["name"].startswith(f"graalpy-{gpversion.major}")
-        ]
+        )
-        if urls:
+
-            (url,) = urls
         return ConfigUrl(
             identifier=identifier,
             version=f"{version.major}.{version.minor}",
             url=url,
         )
-        return None
 
 
 class PyPyVersions:
@@ -266,11 +264,9 @@ class CPythonVersions:
 
             # Removing the prefix
             version = Version(release["name"].removeprefix("Python "))
-            self.versions_dict[version] = release["resource_uri"]
 
-        files_response = requests.get("https://www.python.org/api/v2/downloads/release_file/")
+            uri = int(release["resource_uri"].rstrip("/").split("/")[-1])
-        files_response.raise_for_status()
+            self.versions_dict[version] = uri
-        self.files_info = files_response.json()
 
     def update_version(self, identifier: str, spec: Specifier, file_ident: str) -> ConfigUrl | None:
         # see note above on Specifier.filter
@@ -280,9 +276,13 @@ class CPythonVersions:
         for new_version in sorted_versions:
             # Find the first patch version that contains the requested file
             uri = self.versions_dict[new_version]
-            files = [rf for rf in self.files_info if rf["release"] == uri]
+            response = requests.get(
+                f"https://www.python.org/api/v2/downloads/release_file/?release={uri}"
+            )
+            response.raise_for_status()
+            file_info = response.json()
 
-            urls = [rf["url"] for rf in files if file_ident in rf["url"]]
+            urls = [rf["url"] for rf in file_info if file_ident in rf["url"]]
             if urls:
                 return ConfigUrl(
                     identifier=identifier,
@@ -449,8 +449,6 @@ class AllVersions:
                 elif "macosx_arm64" in identifier:
                     config_update = self.macos_pypy_arm64.update_version_macos(spec)
             elif identifier.startswith("gp"):
-                if "macosx_x86_64" in identifier:
-                    return
                 config_update = self.graalpy.update_version(identifier, spec)
         elif "t-win32" in identifier and identifier.startswith("cp"):
             config_update = self.windows_t_32.update_version_windows(spec)

cibuildwheel/__init__.py

@@ -1 +1 @@
-__version__ = "3.4.0"
+__version__ = "3.3.0"

cibuildwheel/__main__.py

@@ -1,7 +1,6 @@
 import argparse
 import contextlib
 import dataclasses
-import functools
 import os
 import shutil
 import sys
@@ -79,13 +78,8 @@ def main_inner(global_options: GlobalOptions) -> None:
     `main_inner` is the same as `main`, but it raises FatalError exceptions
     rather than exiting directly.
     """
-    # Default in 3.15+, only needed on 3.14
-    if sys.version_info >= (3, 14):
-        arg_parser = functools.partial(argparse.ArgumentParser, suggest_on_error=True)
-    else:
-        arg_parser = argparse.ArgumentParser
 
-    parser = arg_parser(
+    parser = argparse.ArgumentParser(
         description="Build wheels for all the platforms.",
         epilog="""
             Most options are supplied via environment variables or in
@@ -469,6 +463,13 @@ def detect_warnings(*, options: Options) -> Generator[str, None, None]:
     build_selector = options.globals.build_selector
     test_selector = options.globals.test_selector
 
+    if EnableGroup.CPythonExperimentalRiscV64 in build_selector.enable:
+        yield (
+            "'cpython-experimental-riscv64' enable is deprecated and will be removed in a future version. "
+            "It should be removed from tool.cibuildwheel.enable in pyproject.toml "
+            "or CIBW_ENABLE environment variable."
+        )
+
     all_valid_identifiers = [
         config.identifier
         for module in ALL_PLATFORM_MODULES.values()

cibuildwheel/frontend.py

@@ -7,7 +7,7 @@ from typing import Literal, Self, get_args
 from .logger import log
 from .util.helpers import parse_key_value_string
 
-BuildFrontendName = Literal["pip", "build", "build[uv]", "uv"]
+BuildFrontendName = Literal["pip", "build", "build[uv]"]
 
 
 @dataclasses.dataclass(frozen=True)
@@ -36,13 +36,13 @@ class BuildFrontendConfig:
             return {"name": self.name, "args": repr(self.args)}
 
 
-def _get_verbosity_flags(level: int, frontend: BuildFrontendName, *, py38: bool) -> list[str]:
+def _get_verbosity_flags(level: int, frontend: BuildFrontendName) -> list[str]:
     if level < 0:
-        if frontend.startswith("build") and py38:
+        if frontend == "pip":
+            return ["-" + -level * "q"]
+
         msg = f"build_verbosity {level} is not supported for {frontend} frontend. Ignoring."
         log.warning(msg)
-            return []
-        return ["-" + -level * "q"]
 
     if level > 0:
         if frontend == "pip":
@@ -75,10 +75,10 @@ def parse_config_settings(config_settings_str: str) -> dict[str, str | list[str]
 
 
 def get_build_frontend_extra_flags(
-    build_frontend: BuildFrontendConfig, verbosity_level: int, config_settings: str, *, py38: bool
+    build_frontend: BuildFrontendConfig, verbosity_level: int, config_settings: str
 ) -> list[str]:
     return [
         *_split_config_settings(config_settings),
         *build_frontend.args,
-        *_get_verbosity_flags(verbosity_level, build_frontend.name, py38=py38),
+        *_get_verbosity_flags(verbosity_level, build_frontend.name),
     ]

cibuildwheel/platforms/android.py

@@ -7,7 +7,7 @@ import shlex
 import shutil
 import subprocess
 import sysconfig
-from collections.abc import Iterable, Iterator, MutableMapping
+from collections.abc import Iterable, Iterator
 from dataclasses import dataclass
 from os.path import relpath
 from pathlib import Path
@@ -34,7 +34,7 @@ from ..util.file import CIBW_CACHE_PATH, copy_test_sources, download, move_file
 from ..util.helpers import prepare_command
 from ..util.packaging import find_compatible_wheel
 from ..util.python_build_standalone import create_python_build_standalone_environment
-from ..venv import constraint_flags, find_uv, virtualenv
+from ..venv import constraint_flags, ensure_uv, virtualenv
 
 ANDROID_TRIPLET = {
     "arm64_v8a": "aarch64-linux-android",
@@ -190,12 +190,10 @@ def setup_env(
     """
     log.step("Setting up build environment...")
     build_frontend = build_options.build_frontend.name
-    use_uv = build_frontend in {"build[uv]", "uv"}
+    use_uv = build_frontend == "build[uv]"
-    uv_path = find_uv()
+    if use_uv:
-    if use_uv and uv_path is None:
+        ensure_uv()
-        msg = "uv not found"
+    pip = ["pip"] if not use_uv else ["uv", "pip"]
-        raise AssertionError(msg)
-    pip = ["pip"] if not use_uv else [str(uv_path), "pip"]
 
     # Create virtual environment
     python_exe = create_python_build_standalone_environment(
@@ -228,8 +226,8 @@ def setup_env(
     android_env = setup_android_env(config, python_dir, venv_dir, build_env)
 
     # Install build tools
-    if build_frontend not in {"build", "build[uv]", "uv"}:
+    if build_frontend not in {"build", "build[uv]"}:
-        msg = "Android requires the build frontend to be 'build' or 'uv'"
+        msg = "Android requires the build frontend to be 'build'"
         raise errors.FatalError(msg)
     call(*pip, "install", "build", *constraint_flags(dependency_constraint), env=build_env)
 
@@ -390,9 +388,6 @@ def setup_android_env(
     for key in ["CFLAGS", "CXXFLAGS"]:
         android_env[key] += " " + opt
 
-    # Cargo target linker needs to be specified after CC is set
-    setup_rust(config, python_dir, android_env)
-
     # Format the environment so it can be pasted into a shell when debugging.
     for key, value in sorted(android_env.items()):
         if os.environ.get(key) != value:
@@ -401,34 +396,6 @@ def setup_android_env(
     return android_env
 
 
-def setup_rust(
-    config: PythonConfiguration,
-    python_dir: Path,
-    env: MutableMapping[str, str],
-) -> None:
-    cargo_target = android_triplet(config.identifier)
-
-    # CARGO_BUILD_TARGET is the variable used by Cargo and setuptools_rust
-    env["CARGO_BUILD_TARGET"] = cargo_target
-
-    # The linker needs to be specified after CC is set by android-env.sh
-    cargo_target_linker_env_name = f"CARGO_TARGET_{cargo_target.upper().replace('-', '_')}_LINKER"
-    # CC has already been set by calling android.py (it calls android-env.sh)
-    env[cargo_target_linker_env_name] = env["CC"]
-
-    # All Python extension modules must be explicitly linked against libpython3.x.so when building for Android.
-    # See: https://peps.python.org/pep-0738/#linkage
-    # For projects using PyO3, this requires setting PYO3_CROSS_LIB_DIR to the directory containing libpython3.x.so.
-    # See: https://pyo3.rs/v0.27.1/building-and-distribution.html#cross-compiling
-    env["PYO3_CROSS_LIB_DIR"] = str(python_dir / "prefix" / "lib")
-
-    venv_bin = Path(env["VIRTUAL_ENV"]) / "bin"
-    for tool in ["cargo", "rustup"]:
-        shim_path = venv_bin / tool
-        shutil.copy(resources.PATH / "_rust_shim.py", shim_path)
-        shim_path.chmod(0o755)
-
-
 def before_build(state: BuildState) -> None:
     if state.options.before_build:
         log.step("Running before_build...")
@@ -442,8 +409,6 @@ def before_build(state: BuildState) -> None:
 def build_wheel(state: BuildState) -> Path:
     log.step("Building wheel...")
     built_wheel_dir = state.build_path / "built_wheel"
-    match state.options.build_frontend.name:
-        case "build" | "build[uv]":
     call(
         "python",
         "-m",
@@ -457,31 +422,9 @@ def build_wheel(state: BuildState) -> Path:
             state.options.build_frontend,
             state.options.build_verbosity,
             state.options.config_settings,
-                    py38=False,
         ),
         env=state.android_env,
     )
-        case "uv":
-            uv_path = find_uv()
-            assert uv_path is not None
-            call(
-                uv_path,
-                "build",
-                state.options.package_dir,
-                "--wheel",
-                "--no-build-isolation",
-                f"--out-dir={built_wheel_dir}",
-                *get_build_frontend_extra_flags(
-                    state.options.build_frontend,
-                    state.options.build_verbosity,
-                    state.options.config_settings,
-                    py38=False,
-                ),
-                env=state.android_env,
-            )
-        case x:
-            msg = f"Invalid build backend {x!r}"
-            raise AssertionError(msg)
 
     built_wheels = list(built_wheel_dir.glob("*.whl"))
     if len(built_wheels) != 1:
@@ -633,11 +576,9 @@ def test_wheel(state: BuildState, wheel: Path, *, build_frontend: str) -> None:
 
     log.step("Testing wheel...")
     use_uv = build_frontend == "build[uv]"
-    uv_path = find_uv()
+    if use_uv:
-    if use_uv and uv_path is None:
+        ensure_uv()
-        msg = "uv not found"
+    pip = ["pip"] if not use_uv else ["uv", "pip"]
-        raise AssertionError(msg)
-    pip = ["pip"] if not use_uv else [str(uv_path), "pip"]
 
     native_arch = arch_synonym(platform.machine(), platforms.native_platform(), "android")
     if state.config.arch != native_arch:
@@ -689,7 +630,7 @@ def test_wheel(state: BuildState, wheel: Path, *, build_frontend: str) -> None:
         )
 
     # Android doesn't support placeholders in the test command.
-    if any(("{" + placeholder + "}") in test_command for placeholder in ("project", "package")):
+    if any(("{" + placeholder + "}") in test_command for placeholder in ["project", "package"]):
         msg = (
             f"Test command {test_command!r} with a "
             "'{project}' or '{package}' placeholder is not supported on Android, "
@@ -699,12 +640,12 @@ def test_wheel(state: BuildState, wheel: Path, *, build_frontend: str) -> None:
 
     # Parse test-command.
     test_args = shlex.split(test_command)
-    if test_args[0] in {"python", "python3"} and any(arg in test_args for arg in ("-c", "-m")):
+    if test_args[0] in ["python", "python3"] and any(arg in test_args for arg in ["-c", "-m"]):
         # Forward the args to the CPython testbed script. We require '-c' or '-m'
         # to be in the command, because without those flags, the testbed script
         # will prepend '-m test', which will run Python's own test suite.
         del test_args[0]
-    elif test_args[0] == "pytest":
+    elif test_args[0] in ["pytest"]:
         # We transform some commands into the `python -m` form, but this is deprecated.
         msg = (
             f"Test command {test_command!r} is not supported on Android. "

cibuildwheel/platforms/ios.py

@@ -284,7 +284,7 @@ def setup_python(
     build_frontend: BuildFrontendName,
     xbuild_tools: Sequence[str] | None,
 ) -> tuple[Path, dict[str, str]]:
-    if build_frontend == "build[uv]" or build_frontend == "uv":
+    if build_frontend == "build[uv]":
         msg = "uv doesn't support iOS"
         raise errors.FatalError(msg)
 
@@ -441,7 +441,7 @@ def build(options: Options, tmp_path: Path) -> None:
             build_options = options.build_options(config.identifier)
             build_frontend = build_options.build_frontend
             # uv doesn't support iOS
-            if build_frontend.name == "build[uv]" or build_frontend.name == "uv":
+            if build_frontend.name == "build[uv]":
                 msg = "uv doesn't support iOS"
                 raise errors.FatalError(msg)
 
@@ -450,7 +450,6 @@ def build(options: Options, tmp_path: Path) -> None:
             identifier_tmp_dir = tmp_path / config.identifier
             identifier_tmp_dir.mkdir()
             built_wheel_dir = identifier_tmp_dir / "built_wheel"
-            repaired_wheel_dir = identifier_tmp_dir / "repaired_wheel"
 
             constraints_path = build_options.dependency_constraints.get_for_python_version(
                 version=config.version, tmp_dir=identifier_tmp_dir
@@ -488,10 +487,7 @@ def build(options: Options, tmp_path: Path) -> None:
                 built_wheel_dir.mkdir()
 
                 extra_flags = get_build_frontend_extra_flags(
-                    build_frontend,
+                    build_frontend, build_options.build_verbosity, build_options.config_settings
-                    build_options.build_verbosity,
-                    build_options.config_settings,
-                    py38=False,
                 )
 
                 match build_frontend.name:
@@ -524,36 +520,11 @@ def build(options: Options, tmp_path: Path) -> None:
                     case _:
                         assert_never(build_frontend)
 
-                built_wheel = next(built_wheel_dir.glob("*.whl"))
+                test_wheel = built_wheel = next(built_wheel_dir.glob("*.whl"))
 
                 if built_wheel.name.endswith("none-any.whl"):
                     raise errors.NonPlatformWheelError()
 
-                repaired_wheel_dir.mkdir()
-                if build_options.repair_command:
-                    log.step("Repairing wheel...")
-
-                    repair_command_prepared = prepare_command(
-                        build_options.repair_command,
-                        wheel=built_wheel,
-                        dest_dir=repaired_wheel_dir,
-                        package=build_options.package_dir,
-                        project=".",
-                    )
-                    shell(repair_command_prepared, env=env)
-                else:
-                    shutil.move(str(built_wheel), repaired_wheel_dir)
-
-                try:
-                    repaired_wheel = next(repaired_wheel_dir.glob("*.whl"))
-                except StopIteration:
-                    raise errors.RepairStepProducedNoWheelError() from None
-
-                if repaired_wheel.name in {wheel.name for wheel in built_wheels}:
-                    raise errors.AlreadyBuiltWheelError(repaired_wheel.name)
-
-                test_wheel = repaired_wheel
-
                 log.step_end()
 
             if build_options.test_command and build_options.test_selector(config.identifier):
@@ -721,11 +692,11 @@ def build(options: Options, tmp_path: Path) -> None:
             # We're all done here; move it to output (overwrite existing)
             output_wheel: Path | None = None
             if compatible_wheel is None:
-                output_wheel = build_options.output_dir.joinpath(repaired_wheel.name)
+                output_wheel = build_options.output_dir.joinpath(built_wheel.name)
-                moved_wheel = move_file(repaired_wheel, output_wheel)
+                moved_wheel = move_file(built_wheel, output_wheel)
                 if moved_wheel != output_wheel.resolve():
                     log.warning(
-                        f"{repaired_wheel} was moved to {moved_wheel} instead of {output_wheel}"
+                        f"{built_wheel} was moved to {moved_wheel} instead of {output_wheel}"
                     )
                 built_wheels.append(output_wheel)
 

cibuildwheel/platforms/linux.py

@@ -207,7 +207,7 @@ def build_in_container(
         local_identifier_tmp_dir = local_tmp_dir / config.identifier
         build_options = options.build_options(config.identifier)
         build_frontend = build_options.build_frontend
-        use_uv = build_frontend.name in {"build[uv]", "uv"}
+        use_uv = build_frontend.name == "build[uv]"
         pip = ["uv", "pip"] if use_uv else ["pip"]
 
         log.step("Setting up build environment...")
@@ -274,10 +274,7 @@ def build_in_container(
             container.call(["mkdir", "-p", built_wheel_dir])
 
             extra_flags = get_build_frontend_extra_flags(
-                build_frontend,
+                build_frontend, build_options.build_verbosity, build_options.config_settings
-                build_options.build_verbosity,
-                build_options.config_settings,
-                py38=config.identifier[1:].startswith("p38"),
             )
 
             match build_frontend.name:
@@ -310,19 +307,6 @@ def build_in_container(
                         ],
                         env=env,
                     )
-                case "uv":
-                    container.call(
-                        [
-                            "uv",
-                            "build",
-                            f"--python={python_bin / 'python'}",
-                            container_package_dir,
-                            "--wheel",
-                            f"--out-dir={built_wheel_dir}",
-                            *extra_flags,
-                        ],
-                        env=env,
-                    )
                 case _:
                     assert_never(build_frontend)
 
@@ -525,7 +509,6 @@ def _matches_prepared_command(error_cmd: Sequence[str], command_template: str) -
 def troubleshoot(options: Options, error: Exception) -> None:
     if isinstance(error, subprocess.CalledProcessError) and (
         error.cmd[0:4] == ["python", "-m", "pip", "wheel"]
-        or error.cmd[0:2] == ["uv", "build"]
         or error.cmd[0:3] == ["python", "-m", "build"]
         or _matches_prepared_command(
             error.cmd, options.build_options(None).repair_command

cibuildwheel/platforms/macos.py

@@ -33,7 +33,7 @@ from ..util.file import (
 )
 from ..util.helpers import prepare_command, unwrap
 from ..util.packaging import find_compatible_wheel, get_pip_version
-from ..venv import constraint_flags, find_uv, virtualenv
+from ..venv import constraint_flags, ensure_uv, virtualenv
 
 
 @functools.cache
@@ -151,7 +151,7 @@ def install_cpython(_tmp: Path, version: str, url: str, free_threading: bool) ->
                     """
                 )
                 raise errors.FatalError(msg)
-            python_filename = url.rsplit("/", maxsplit=1)[-1]
+            python_filename = url.split("/")[-1]
             pkg_path = CIBW_CACHE_PATH / "cpython-installer" / python_filename
             if not pkg_path.exists():
                 download(url, pkg_path)
@@ -217,8 +217,9 @@ def setup_python(
     environment: ParsedEnvironment,
     build_frontend: BuildFrontendName,
 ) -> tuple[Path, dict[str, str]]:
-    uv_path = find_uv()
+    use_uv = build_frontend == "build[uv]"
-    use_uv = build_frontend in {"build[uv]", "uv"}
+    if use_uv:
+        ensure_uv()
 
     tmp.mkdir()
     implementation_id = python_configuration.identifier.split("-")[0]
@@ -370,25 +371,13 @@ def setup_python(
                 env=env,
             )
         case "build[uv]":
-            assert uv_path is not None
             call(
-                uv_path,
+                "uv",
-                "pip",
-                "install",
-                "--upgrade",
-                "delocate",
-                "build[virtualenv, uv]",
-                *constraint_flags(dependency_constraint),
-                env=env,
-            )
-        case "uv":
-            assert uv_path is not None
-            call(
-                uv_path,
                 "pip",
                 "install",
                 "--upgrade",
                 "delocate",
+                "build",
                 *constraint_flags(dependency_constraint),
                 env=env,
             )
@@ -424,12 +413,10 @@ def build(options: Options, tmp_path: Path) -> None:
         for config in python_configurations:
             build_options = options.build_options(config.identifier)
             build_frontend = build_options.build_frontend
-            use_uv = build_frontend.name in {"build[uv]", "uv"}
+            use_uv = build_frontend.name == "build[uv]"
-            uv_path = find_uv()
+            if use_uv:
-            if use_uv and uv_path is None:
+                ensure_uv()
-                msg = "uv not found"
+            pip = ["pip"] if not use_uv else ["uv", "pip"]
-                raise AssertionError(msg)
-            pip = ["pip"] if not use_uv else [str(uv_path), "pip"]
             log.build_start(config.identifier)
 
             identifier_tmp_dir = tmp_path / config.identifier
@@ -472,10 +459,7 @@ def build(options: Options, tmp_path: Path) -> None:
                 built_wheel_dir.mkdir()
 
                 extra_flags = get_build_frontend_extra_flags(
-                    build_frontend,
+                    build_frontend, build_options.build_verbosity, build_options.config_settings
-                    build_options.build_verbosity,
-                    build_options.config_settings,
-                    py38=config.identifier[1:].startswith("p38"),
                 )
 
                 build_env = env.copy()
@@ -512,18 +496,6 @@ def build(options: Options, tmp_path: Path) -> None:
                             *extra_flags,
                             env=build_env,
                         )
-                    case "uv":
-                        assert uv_path is not None
-                        call(
-                            uv_path,
-                            "build",
-                            f"--python={base_python}",
-                            build_options.package_dir,
-                            "--wheel",
-                            f"--out-dir={built_wheel_dir}",
-                            *extra_flags,
-                            env=build_env,
-                        )
                     case _:
                         assert_never(build_frontend)
 

cibuildwheel/platforms/pyodide.py

@@ -416,10 +416,7 @@ def build(options: Options, tmp_path: Path) -> None:
                 log.step("Building wheel...")
 
                 extra_flags = get_build_frontend_extra_flags(
-                    build_frontend,
+                    build_frontend, build_options.build_verbosity, build_options.config_settings
-                    build_options.build_verbosity,
-                    build_options.config_settings,
-                    py38=False,
                 )
 
                 call(

cibuildwheel/platforms/windows.py

@@ -5,7 +5,7 @@ import platform as platform_module
 import shutil
 import subprocess
 import textwrap
-from collections.abc import MutableMapping, Sequence, Set
+from collections.abc import MutableMapping, Set
 from functools import cache
 from pathlib import Path
 from typing import assert_never
@@ -24,7 +24,7 @@ from ..util.cmd import call, shell
 from ..util.file import CIBW_CACHE_PATH, copy_test_sources, download, extract_zip, move_file
 from ..util.helpers import prepare_command, unwrap
 from ..util.packaging import find_compatible_wheel, get_pip_version
-from ..venv import constraint_flags, find_uv, virtualenv
+from ..venv import constraint_flags, ensure_uv, virtualenv
 
 
 def get_nuget_args(
@@ -271,8 +271,9 @@ def setup_python(
     if build_frontend == "build[uv]" and not can_use_uv(python_configuration):
         build_frontend = "build"
 
-    use_uv = build_frontend in {"build[uv]", "uv"}
+    use_uv = build_frontend == "build[uv]"
-    uv_path = find_uv()
+    if use_uv:
+        ensure_uv()
 
     log.step("Setting up build environment...")
     venv_path = tmp / "venv"
@@ -323,13 +324,12 @@ def setup_python(
                 env=env,
             )
         case "build[uv]":
-            assert uv_path is not None
             call(
-                uv_path,
+                "uv",
                 "pip",
                 "install",
                 "--upgrade",
-                "build[virtualenv]",
+                "build",
                 *constraint_flags(dependency_constraint),
                 env=env,
             )
@@ -386,8 +386,6 @@ def build(options: Options, tmp_path: Path) -> None:
     if not python_configurations:
         return
 
-    uv_path = find_uv()
-
     try:
         before_all_options_identifier = python_configurations[0].identifier
         before_all_options = options.build_options(before_all_options_identifier)
@@ -405,7 +403,8 @@ def build(options: Options, tmp_path: Path) -> None:
         for config in python_configurations:
             build_options = options.build_options(config.identifier)
             build_frontend = build_options.build_frontend
-            use_uv = build_frontend.name in {"build[uv]", "uv"} and can_use_uv(config)
+
+            use_uv = build_frontend.name == "build[uv]" and can_use_uv(config)
             log.build_start(config.identifier)
 
             identifier_tmp_dir = tmp_path / config.identifier
@@ -450,10 +449,7 @@ def build(options: Options, tmp_path: Path) -> None:
                 built_wheel_dir.mkdir()
 
                 extra_flags = get_build_frontend_extra_flags(
-                    build_frontend,
+                    build_frontend, build_options.build_verbosity, build_options.config_settings
-                    build_options.build_verbosity,
-                    build_options.config_settings,
-                    py38=config.identifier[1:].startswith("p38"),
                 )
 
                 if (
@@ -505,18 +501,6 @@ def build(options: Options, tmp_path: Path) -> None:
                             *extra_flags,
                             env=env,
                         )
-                    case "uv":
-                        assert uv_path is not None
-                        call(
-                            uv_path,
-                            "build",
-                            f"--python={base_python}",
-                            build_options.package_dir,
-                            "--wheel",
-                            f"--out-dir={built_wheel_dir}",
-                            *extra_flags,
-                            env=env,
-                        )
                     case _:
                         assert_never(build_frontend)
 
@@ -591,12 +575,7 @@ def build(options: Options, tmp_path: Path) -> None:
                     )
                     shell(before_test_prepared, env=virtualenv_env)
 
-                pip: Sequence[Path | str]
+                pip = ["uv", "pip"] if use_uv else ["pip"]
-                if use_uv:
-                    assert uv_path is not None
-                    pip = [uv_path, "pip"]
-                else:
-                    pip = ["pip"]
 
                 # install the wheel
                 call(

cibuildwheel/resources/_rust_shim.py

@@ -1,57 +0,0 @@
-#!/usr/bin/env python3
-
-import os
-import shutil
-import subprocess
-import sys
-from pathlib import Path
-
-
-def main() -> None:
-    # CIBW_HOST_TRIPLET is set in the android_env to the Android target triplet.
-    target = os.environ.get("CIBW_HOST_TRIPLET")
-
-    cmd_name = Path(sys.argv[0]).name
-
-    # Find the real command in PATH, excluding the current script's directory
-    path_env = os.environ.get("PATH", "")
-    script_dir = Path(__file__).resolve().parent
-
-    paths = path_env.split(os.pathsep)
-    # Filter out the script directory to avoid recursion
-    filtered_paths = [p for p in paths if Path(p).resolve() != script_dir]
-    filtered_path_env = os.pathsep.join(filtered_paths)
-
-    real_cmd = shutil.which(cmd_name, path=filtered_path_env)
-
-    if not real_cmd:
-        sys.stderr.write(f"cibuildwheel: Error: Could not find system {cmd_name}\n")
-        sys.exit(1)
-
-    # If we have a target (i.e. we are in the android_env), try to install it.
-    if target:
-        # Check if rustup is available to install the target
-        rustup_path = shutil.which("rustup", path=filtered_path_env)
-
-        if rustup_path:
-            try:
-                # We call rustup to ensure the target is installed.
-                subprocess.run(
-                    [rustup_path, "target", "add", target],
-                    check=True,
-                    stdout=subprocess.DEVNULL,
-                    stderr=subprocess.PIPE,
-                    text=True,
-                )
-            except subprocess.CalledProcessError as e:
-                sys.stderr.write(
-                    f"cibuildwheel: Error: Failed to install Rust target {target}: {e.stderr}\n"
-                )
-                sys.exit(1)
-
-    # Execute the real command
-    os.execv(real_cmd, [real_cmd, *sys.argv[1:]])
-
-
-if __name__ == "__main__":
-    main()

cibuildwheel/resources/build-platforms.toml

@@ -161,30 +161,30 @@ python_configurations = [
   { identifier = "cp312-macosx_x86_64", version = "3.12", url = "https://www.python.org/ftp/python/3.12.10/python-3.12.10-macos11.pkg" },
   { identifier = "cp312-macosx_arm64", version = "3.12", url = "https://www.python.org/ftp/python/3.12.10/python-3.12.10-macos11.pkg" },
   { identifier = "cp312-macosx_universal2", version = "3.12", url = "https://www.python.org/ftp/python/3.12.10/python-3.12.10-macos11.pkg" },
-  { identifier = "cp313-macosx_x86_64", version = "3.13", url = "https://www.python.org/ftp/python/3.13.12/python-3.13.12-macos11.pkg" },
+  { identifier = "cp313-macosx_x86_64", version = "3.13", url = "https://www.python.org/ftp/python/3.13.11/python-3.13.11-macos11.pkg" },
-  { identifier = "cp313-macosx_arm64", version = "3.13", url = "https://www.python.org/ftp/python/3.13.12/python-3.13.12-macos11.pkg" },
+  { identifier = "cp313-macosx_arm64", version = "3.13", url = "https://www.python.org/ftp/python/3.13.11/python-3.13.11-macos11.pkg" },
-  { identifier = "cp313-macosx_universal2", version = "3.13", url = "https://www.python.org/ftp/python/3.13.12/python-3.13.12-macos11.pkg" },
+  { identifier = "cp313-macosx_universal2", version = "3.13", url = "https://www.python.org/ftp/python/3.13.11/python-3.13.11-macos11.pkg" },
-  { identifier = "cp313t-macosx_x86_64", version = "3.13", url = "https://www.python.org/ftp/python/3.13.12/python-3.13.12-macos11.pkg" },
+  { identifier = "cp313t-macosx_x86_64", version = "3.13", url = "https://www.python.org/ftp/python/3.13.11/python-3.13.11-macos11.pkg" },
-  { identifier = "cp313t-macosx_arm64", version = "3.13", url = "https://www.python.org/ftp/python/3.13.12/python-3.13.12-macos11.pkg" },
+  { identifier = "cp313t-macosx_arm64", version = "3.13", url = "https://www.python.org/ftp/python/3.13.11/python-3.13.11-macos11.pkg" },
-  { identifier = "cp313t-macosx_universal2", version = "3.13", url = "https://www.python.org/ftp/python/3.13.12/python-3.13.12-macos11.pkg" },
+  { identifier = "cp313t-macosx_universal2", version = "3.13", url = "https://www.python.org/ftp/python/3.13.11/python-3.13.11-macos11.pkg" },
-  { identifier = "cp314-macosx_x86_64", version = "3.14", url = "https://www.python.org/ftp/python/3.14.3/python-3.14.3-macos11.pkg" },
+  { identifier = "cp314-macosx_x86_64", version = "3.14", url = "https://www.python.org/ftp/python/3.14.2/python-3.14.2-macos11.pkg" },
-  { identifier = "cp314-macosx_arm64", version = "3.14", url = "https://www.python.org/ftp/python/3.14.3/python-3.14.3-macos11.pkg" },
+  { identifier = "cp314-macosx_arm64", version = "3.14", url = "https://www.python.org/ftp/python/3.14.2/python-3.14.2-macos11.pkg" },
-  { identifier = "cp314-macosx_universal2", version = "3.14", url = "https://www.python.org/ftp/python/3.14.3/python-3.14.3-macos11.pkg" },
+  { identifier = "cp314-macosx_universal2", version = "3.14", url = "https://www.python.org/ftp/python/3.14.2/python-3.14.2-macos11.pkg" },
-  { identifier = "cp314t-macosx_x86_64", version = "3.14", url = "https://www.python.org/ftp/python/3.14.3/python-3.14.3-macos11.pkg" },
+  { identifier = "cp314t-macosx_x86_64", version = "3.14", url = "https://www.python.org/ftp/python/3.14.2/python-3.14.2-macos11.pkg" },
-  { identifier = "cp314t-macosx_arm64", version = "3.14", url = "https://www.python.org/ftp/python/3.14.3/python-3.14.3-macos11.pkg" },
+  { identifier = "cp314t-macosx_arm64", version = "3.14", url = "https://www.python.org/ftp/python/3.14.2/python-3.14.2-macos11.pkg" },
-  { identifier = "cp314t-macosx_universal2", version = "3.14", url = "https://www.python.org/ftp/python/3.14.3/python-3.14.3-macos11.pkg" },
+  { identifier = "cp314t-macosx_universal2", version = "3.14", url = "https://www.python.org/ftp/python/3.14.2/python-3.14.2-macos11.pkg" },
   { identifier = "pp38-macosx_x86_64", version = "3.8", url = "https://downloads.python.org/pypy/pypy3.8-v7.3.11-macos_x86_64.tar.bz2" },
   { identifier = "pp38-macosx_arm64", version = "3.8", url = "https://downloads.python.org/pypy/pypy3.8-v7.3.11-macos_arm64.tar.bz2" },
   { identifier = "pp39-macosx_x86_64", version = "3.9", url = "https://downloads.python.org/pypy/pypy3.9-v7.3.16-macos_x86_64.tar.bz2" },
   { identifier = "pp39-macosx_arm64", version = "3.9", url = "https://downloads.python.org/pypy/pypy3.9-v7.3.16-macos_arm64.tar.bz2" },
   { identifier = "pp310-macosx_x86_64", version = "3.10", url = "https://downloads.python.org/pypy/pypy3.10-v7.3.19-macos_x86_64.tar.bz2" },
   { identifier = "pp310-macosx_arm64", version = "3.10", url = "https://downloads.python.org/pypy/pypy3.10-v7.3.19-macos_arm64.tar.bz2" },
-  { identifier = "pp311-macosx_x86_64", version = "3.11", url = "https://downloads.python.org/pypy/pypy3.11-v7.3.21-macos_x86_64.tar.bz2" },
+  { identifier = "pp311-macosx_x86_64", version = "3.11", url = "https://downloads.python.org/pypy/pypy3.11-v7.3.20-macos_x86_64.tar.bz2" },
-  { identifier = "pp311-macosx_arm64", version = "3.11", url = "https://downloads.python.org/pypy/pypy3.11-v7.3.21-macos_arm64.tar.bz2" },
+  { identifier = "pp311-macosx_arm64", version = "3.11", url = "https://downloads.python.org/pypy/pypy3.11-v7.3.20-macos_arm64.tar.bz2" },
   { identifier = "gp311_242-macosx_x86_64", version = "3.11", url = "https://github.com/oracle/graalpython/releases/download/graal-24.2.2/graalpy-24.2.2-macos-amd64.tar.gz" },
   { identifier = "gp311_242-macosx_arm64", version = "3.11", url = "https://github.com/oracle/graalpython/releases/download/graal-24.2.2/graalpy-24.2.2-macos-aarch64.tar.gz" },
   { identifier = "gp312_250-macosx_x86_64", version = "3.12", url = "https://github.com/oracle/graalpython/releases/download/graal-25.0.1/graalpy-25.0.1-macos-amd64.tar.gz" },
-  { identifier = "gp312_250-macosx_arm64", version = "3.12", url = "https://github.com/oracle/graalpython/releases/download/graal-25.0.2/graalpy-25.0.2-macos-aarch64.tar.gz" },
+  { identifier = "gp312_250-macosx_arm64", version = "3.12", url = "https://github.com/oracle/graalpython/releases/download/graal-25.0.1/graalpy-25.0.1-macos-aarch64.tar.gz" },
 ]
 
 [windows]
@@ -199,50 +199,50 @@ python_configurations = [
   { identifier = "cp311-win_amd64", version = "3.11.9" },
   { identifier = "cp312-win32", version = "3.12.10" },
   { identifier = "cp312-win_amd64", version = "3.12.10" },
-  { identifier = "cp313-win32", version = "3.13.12" },
+  { identifier = "cp313-win32", version = "3.13.11" },
-  { identifier = "cp313t-win32", version = "3.13.12" },
+  { identifier = "cp313t-win32", version = "3.13.11" },
-  { identifier = "cp313-win_amd64", version = "3.13.12" },
+  { identifier = "cp313-win_amd64", version = "3.13.11" },
-  { identifier = "cp313t-win_amd64", version = "3.13.12" },
+  { identifier = "cp313t-win_amd64", version = "3.13.11" },
-  { identifier = "cp314-win32", version = "3.14.3" },
+  { identifier = "cp314-win32", version = "3.14.2" },
-  { identifier = "cp314t-win32", version = "3.14.3" },
+  { identifier = "cp314t-win32", version = "3.14.2" },
-  { identifier = "cp314-win_amd64", version = "3.14.3" },
+  { identifier = "cp314-win_amd64", version = "3.14.2" },
-  { identifier = "cp314t-win_amd64", version = "3.14.3" },
+  { identifier = "cp314t-win_amd64", version = "3.14.2" },
   { identifier = "cp39-win_arm64", version = "3.9.10" },
   { identifier = "cp310-win_arm64", version = "3.10.11" },
   { identifier = "cp311-win_arm64", version = "3.11.9" },
   { identifier = "cp312-win_arm64", version = "3.12.10" },
-  { identifier = "cp313-win_arm64", version = "3.13.12" },
+  { identifier = "cp313-win_arm64", version = "3.13.11" },
-  { identifier = "cp313t-win_arm64", version = "3.13.12" },
+  { identifier = "cp313t-win_arm64", version = "3.13.11" },
-  { identifier = "cp314-win_arm64", version = "3.14.3" },
+  { identifier = "cp314-win_arm64", version = "3.14.2" },
-  { identifier = "cp314t-win_arm64", version = "3.14.3" },
+  { identifier = "cp314t-win_arm64", version = "3.14.2" },
   { identifier = "pp38-win_amd64", version = "3.8", url = "https://downloads.python.org/pypy/pypy3.8-v7.3.11-win64.zip" },
   { identifier = "pp39-win_amd64", version = "3.9", url = "https://downloads.python.org/pypy/pypy3.9-v7.3.16-win64.zip" },
   { identifier = "pp310-win_amd64", version = "3.10", url = "https://downloads.python.org/pypy/pypy3.10-v7.3.19-win64.zip" },
-  { identifier = "pp311-win_amd64", version = "3.11", url = "https://downloads.python.org/pypy/pypy3.11-v7.3.21-win64.zip" },
+  { identifier = "pp311-win_amd64", version = "3.11", url = "https://downloads.python.org/pypy/pypy3.11-v7.3.20-win64.zip" },
   { identifier = "gp311_242-win_amd64", version = "3.11", url = "https://github.com/oracle/graalpython/releases/download/graal-24.2.2/graalpy-24.2.2-windows-amd64.zip" },
-  { identifier = "gp312_250-win_amd64", version = "3.12", url = "https://github.com/oracle/graalpython/releases/download/graal-25.0.2/graalpy-25.0.2-windows-amd64.zip" },
+  { identifier = "gp312_250-win_amd64", version = "3.12", url = "https://github.com/oracle/graalpython/releases/download/graal-25.0.1/graalpy-25.0.1-windows-amd64.zip" },
 ]
 
 [pyodide]
 python_configurations = [
   { identifier = "cp312-pyodide_wasm32", version = "3.12", default_pyodide_version = "0.27.7", node_version = "v22" },
-  { identifier = "cp313-pyodide_wasm32", version = "3.13", default_pyodide_version = "0.29.3", node_version = "v22" },
+  { identifier = "cp313-pyodide_wasm32", version = "3.13", default_pyodide_version = "0.29.0", node_version = "v22" },
 ]
 
 [android]
 python_configurations = [
-  { identifier = "cp313-android_arm64_v8a", version = "3.13", url = "https://repo.maven.apache.org/maven2/com/chaquo/python/python/3.13.12/python-3.13.12-aarch64-linux-android.tar.gz" },
+  { identifier = "cp313-android_arm64_v8a", version = "3.13", url = "https://repo.maven.apache.org/maven2/com/chaquo/python/python/3.13.11/python-3.13.11-aarch64-linux-android.tar.gz" },
-  { identifier = "cp313-android_x86_64", version = "3.13", url = "https://repo.maven.apache.org/maven2/com/chaquo/python/python/3.13.12/python-3.13.12-x86_64-linux-android.tar.gz" },
+  { identifier = "cp313-android_x86_64", version = "3.13", url = "https://repo.maven.apache.org/maven2/com/chaquo/python/python/3.13.11/python-3.13.11-x86_64-linux-android.tar.gz" },
-  { identifier = "cp314-android_arm64_v8a", version = "3.14", url = "https://www.python.org/ftp/python/3.14.3/python-3.14.3-aarch64-linux-android.tar.gz" },
+  { identifier = "cp314-android_arm64_v8a", version = "3.14", url = "https://www.python.org/ftp/python/3.14.2/python-3.14.2-aarch64-linux-android.tar.gz" },
-  { identifier = "cp314-android_x86_64", version = "3.14", url = "https://www.python.org/ftp/python/3.14.3/python-3.14.3-x86_64-linux-android.tar.gz" },
+  { identifier = "cp314-android_x86_64", version = "3.14", url = "https://www.python.org/ftp/python/3.14.2/python-3.14.2-x86_64-linux-android.tar.gz" },
 ]
 
 [ios]
 python_configurations = [
-  { identifier = "cp313-ios_arm64_iphoneos", version = "3.13", url = "https://github.com/beeware/Python-Apple-support/releases/download/3.13-b13/Python-3.13-iOS-support.b13.tar.gz" },
+  { identifier = "cp313-ios_arm64_iphoneos", version = "3.13", url = "https://github.com/beeware/Python-Apple-support/releases/download/3.13-b12/Python-3.13-iOS-support.b12.tar.gz" },
-  { identifier = "cp313-ios_x86_64_iphonesimulator", version = "3.13", url = "https://github.com/beeware/Python-Apple-support/releases/download/3.13-b13/Python-3.13-iOS-support.b13.tar.gz" },
+  { identifier = "cp313-ios_x86_64_iphonesimulator", version = "3.13", url = "https://github.com/beeware/Python-Apple-support/releases/download/3.13-b12/Python-3.13-iOS-support.b12.tar.gz" },
-  { identifier = "cp313-ios_arm64_iphonesimulator", version = "3.13", url = "https://github.com/beeware/Python-Apple-support/releases/download/3.13-b13/Python-3.13-iOS-support.b13.tar.gz" },
+  { identifier = "cp313-ios_arm64_iphonesimulator", version = "3.13", url = "https://github.com/beeware/Python-Apple-support/releases/download/3.13-b12/Python-3.13-iOS-support.b12.tar.gz" },
-  { identifier = "cp314-ios_arm64_iphoneos", version = "3.14", url = "https://github.com/beeware/Python-Apple-support/releases/download/3.14-b9/Python-3.14-iOS-support.b9.tar.gz" },
+  { identifier = "cp314-ios_arm64_iphoneos", version = "3.14", url = "https://github.com/beeware/Python-Apple-support/releases/download/3.14-b8/Python-3.14-iOS-support.b8.tar.gz" },
-  { identifier = "cp314-ios_x86_64_iphonesimulator", version = "3.14", url = "https://github.com/beeware/Python-Apple-support/releases/download/3.14-b9/Python-3.14-iOS-support.b9.tar.gz" },
+  { identifier = "cp314-ios_x86_64_iphonesimulator", version = "3.14", url = "https://github.com/beeware/Python-Apple-support/releases/download/3.14-b8/Python-3.14-iOS-support.b8.tar.gz" },
-  { identifier = "cp314-ios_arm64_iphonesimulator", version = "3.14", url = "https://github.com/beeware/Python-Apple-support/releases/download/3.14-b9/Python-3.14-iOS-support.b9.tar.gz" },
+  { identifier = "cp314-ios_arm64_iphonesimulator", version = "3.14", url = "https://github.com/beeware/Python-Apple-support/releases/download/3.14-b8/Python-3.14-iOS-support.b8.tar.gz" },
 ]

cibuildwheel/resources/cibuildwheel.schema.json

@@ -13,6 +13,7 @@
     },
     "enable": {
       "enum": [
+        "cpython-experimental-riscv64",
         "cpython-freethreading",
         "cpython-prerelease",
         "graalpy",
@@ -107,14 +108,13 @@
     },
     "build-frontend": {
       "default": "default",
-      "description": "Set the tool to use to build, either \"build\" (default), \"build[uv]\", \"uv\", or \"pip\"",
+      "description": "Set the tool to use to build, either \"build\" (default), \"build[uv]\", or \"pip\"",
       "oneOf": [
         {
           "enum": [
             "pip",
             "build",
             "build[uv]",
-            "uv",
             "default"
           ]
         },
@@ -130,10 +130,6 @@
           "type": "string",
           "pattern": "^build\\[uv\\]; ?args:"
         },
-        {
-          "type": "string",
-          "pattern": "^uv; ?args:"
-        },
         {
           "type": "object",
           "additionalProperties": false,
@@ -145,8 +141,7 @@
               "enum": [
                 "pip",
                 "build",
-                "build[uv]",
+                "build[uv]"
-                "uv"
               ]
             },
             "args": {

cibuildwheel/resources/constraints-pyodide312.txt

@@ -2,47 +2,57 @@
 #    nox -s update_constraints
 annotated-types==0.7.0
     # via pydantic
-auditwheel-emscripten==0.2.3
+anyio==4.12.0
+    # via httpx
+auditwheel-emscripten==0.2.0
     # via pyodide-build
 build==1.2.2.post1
     # via
     #   -r .nox/update_constraints/tmp/constraints-pyodide.in
     #   pyodide-build
-certifi==2026.2.25
+certifi==2025.11.12
-    # via requests
+    # via
-charset-normalizer==3.4.5
+    #   httpcore
+    #   httpx
+    #   requests
+charset-normalizer==3.4.4
     # via requests
 click==8.1.8
     # via
     #   -r .nox/update_constraints/tmp/constraints-pyodide.in
-    #   pyodide-build
+    #   typer
-    #   pyodide-cli
 distlib==0.4.0
     # via virtualenv
-filelock==3.25.2
+filelock==3.20.0
-    # via
+    # via virtualenv
-    #   python-discovery
+h11==0.16.0
-    #   virtualenv
+    # via httpcore
+httpcore==1.0.9
+    # via httpx
+httpx==0.28.1
+    # via unearth
 idna==3.11
-    # via requests
+    # via
-leb128==1.0.9
+    #   anyio
+    #   httpx
+    #   requests
+leb128==1.0.8
     # via auditwheel-emscripten
 markdown-it-py==4.0.0
     # via rich
 mdurl==0.1.2
     # via markdown-it-py
-packaging==26.0
+packaging==25.0
     # via
     #   auditwheel-emscripten
     #   build
     #   pyodide-build
-    #   wheel
+    #   unearth
-pip==26.0.1
+pip==25.3
     # via -r .nox/update_constraints/tmp/constraints-pyodide.in
-platformdirs==4.9.4
+platformdirs==4.5.1
     # via
     #   pyodide-build
-    #   python-discovery
     #   virtualenv
 pydantic==2.12.5
     # via
@@ -52,40 +62,54 @@ pydantic-core==2.41.5
     # via pydantic
 pygments==2.19.2
     # via rich
-pyodide-build==0.33.0
+pyodide-build==0.30.9
     # via -r .nox/update_constraints/tmp/constraints-pyodide.in
-pyodide-cli==0.5.0
+pyodide-cli==0.4.0
     # via
     #   auditwheel-emscripten
     #   pyodide-build
-pyodide-lock==0.1.2
+pyodide-lock==0.1.0
     # via pyodide-build
 pyproject-hooks==1.2.0
     # via build
-python-discovery==1.1.3
-    # via virtualenv
 requests==2.32.5
     # via pyodide-build
-rich==14.3.3
+resolvelib==1.2.1
+    # via pyodide-build
+rich==14.2.0
     # via
     #   pyodide-build
     #   pyodide-cli
-ruamel-yaml==0.19.1
+    #   typer
+ruamel-yaml==0.18.16
     # via pyodide-build
+ruamel-yaml-clib==0.2.15
+    # via ruamel-yaml
+shellingham==1.5.4
+    # via typer
+typer==0.20.0
+    # via
+    #   auditwheel-emscripten
+    #   pyodide-build
+    #   pyodide-cli
 typing-extensions==4.15.0
     # via
+    #   anyio
     #   pydantic
     #   pydantic-core
+    #   typer
     #   typing-inspection
 typing-inspection==0.4.2
     # via pydantic
-urllib3==2.6.3
+unearth==0.18.1
+    # via pyodide-build
+urllib3==2.6.2
     # via requests
-virtualenv==21.2.0
+virtualenv==20.35.4
     # via
     #   build
     #   pyodide-build
-wheel==0.46.3
+wheel==0.45.1
     # via
     #   auditwheel-emscripten
     #   pyodide-build

cibuildwheel/resources/constraints-pyodide313.txt

@@ -2,47 +2,57 @@
 #    nox -s update_constraints
 annotated-types==0.7.0
     # via pydantic
-auditwheel-emscripten==0.2.3
+anyio==4.12.0
+    # via httpx
+auditwheel-emscripten==0.2.0
     # via pyodide-build
 build==1.2.2.post1
     # via
     #   -r .nox/update_constraints/tmp/constraints-pyodide.in
     #   pyodide-build
-certifi==2026.2.25
+certifi==2025.11.12
-    # via requests
+    # via
-charset-normalizer==3.4.5
+    #   httpcore
+    #   httpx
+    #   requests
+charset-normalizer==3.4.4
     # via requests
 click==8.1.8
     # via
     #   -r .nox/update_constraints/tmp/constraints-pyodide.in
-    #   pyodide-build
+    #   typer
-    #   pyodide-cli
 distlib==0.4.0
     # via virtualenv
-filelock==3.25.2
+filelock==3.20.0
-    # via
+    # via virtualenv
-    #   python-discovery
+h11==0.16.0
-    #   virtualenv
+    # via httpcore
+httpcore==1.0.9
+    # via httpx
+httpx==0.28.1
+    # via unearth
 idna==3.11
-    # via requests
+    # via
-leb128==1.0.9
+    #   anyio
+    #   httpx
+    #   requests
+leb128==1.0.8
     # via auditwheel-emscripten
 markdown-it-py==4.0.0
     # via rich
 mdurl==0.1.2
     # via markdown-it-py
-packaging==26.0
+packaging==25.0
     # via
     #   auditwheel-emscripten
     #   build
     #   pyodide-build
-    #   wheel
+    #   unearth
-pip==26.0.1
+pip==25.3
     # via -r .nox/update_constraints/tmp/constraints-pyodide.in
-platformdirs==4.9.4
+platformdirs==4.5.1
     # via
     #   pyodide-build
-    #   python-discovery
     #   virtualenv
 pydantic==2.12.5
     # via
@@ -52,40 +62,53 @@ pydantic-core==2.41.5
     # via pydantic
 pygments==2.19.2
     # via rich
-pyodide-build==0.33.0
+pyodide-build==0.30.9
     # via -r .nox/update_constraints/tmp/constraints-pyodide.in
-pyodide-cli==0.5.0
+pyodide-cli==0.4.0
     # via
     #   auditwheel-emscripten
     #   pyodide-build
-pyodide-lock==0.1.2
+pyodide-lock==0.1.0
     # via pyodide-build
 pyproject-hooks==1.2.0
     # via build
-python-discovery==1.1.3
-    # via virtualenv
 requests==2.32.5
     # via pyodide-build
-rich==14.3.3
+resolvelib==1.2.1
+    # via pyodide-build
+rich==14.2.0
     # via
     #   pyodide-build
     #   pyodide-cli
-ruamel-yaml==0.19.1
+    #   typer
+ruamel-yaml==0.18.16
     # via pyodide-build
+ruamel-yaml-clib==0.2.15
+    # via ruamel-yaml
+shellingham==1.5.4
+    # via typer
+typer==0.20.0
+    # via
+    #   auditwheel-emscripten
+    #   pyodide-build
+    #   pyodide-cli
 typing-extensions==4.15.0
     # via
     #   pydantic
     #   pydantic-core
+    #   typer
     #   typing-inspection
 typing-inspection==0.4.2
     # via pydantic
-urllib3==2.6.3
+unearth==0.18.1
+    # via pyodide-build
+urllib3==2.6.2
     # via requests
-virtualenv==21.2.0
+virtualenv==20.35.4
     # via
     #   build
     #   pyodide-build
-wheel==0.46.3
+wheel==0.45.1
     # via
     #   auditwheel-emscripten
     #   pyodide-build

cibuildwheel/resources/constraints-python310.txt

@@ -2,41 +2,35 @@
 #    nox -s update_constraints
 altgraph==0.17.5
     # via macholib
-build==1.4.0
+build==1.3.0
     # via -r cibuildwheel/resources/constraints.in
 delocate==0.13.0
     # via -r cibuildwheel/resources/constraints.in
 distlib==0.4.0
     # via virtualenv
-filelock==3.25.2
+filelock==3.20.0
-    # via
+    # via virtualenv
-    #   python-discovery
+importlib-metadata==8.7.0
-    #   virtualenv
-importlib-metadata==8.7.1
     # via build
 macholib==1.16.4
     # via delocate
-packaging==26.0
+packaging==25.0
     # via
     #   build
     #   delocate
-pip==26.0.1
+pip==25.3
     # via -r cibuildwheel/resources/constraints.in
-platformdirs==4.9.4
+platformdirs==4.5.1
-    # via
+    # via virtualenv
-    #   python-discovery
-    #   virtualenv
 pyproject-hooks==1.2.0
     # via build
-python-discovery==1.1.3
+tomli==2.3.0
-    # via virtualenv
-tomli==2.4.0
     # via build
 typing-extensions==4.15.0
     # via
     #   delocate
     #   virtualenv
-virtualenv==21.2.0
+virtualenv==20.35.4
     # via -r cibuildwheel/resources/constraints.in
 zipp==3.23.0
     # via importlib-metadata

cibuildwheel/resources/constraints-python311.txt

@@ -2,33 +2,27 @@
 #    nox -s update_constraints
 altgraph==0.17.5
     # via macholib
-build==1.4.0
+build==1.3.0
     # via -r cibuildwheel/resources/constraints.in
 delocate==0.13.0
     # via -r cibuildwheel/resources/constraints.in
 distlib==0.4.0
     # via virtualenv
-filelock==3.25.2
+filelock==3.20.0
-    # via
+    # via virtualenv
-    #   python-discovery
-    #   virtualenv
 macholib==1.16.4
     # via delocate
-packaging==26.0
+packaging==25.0
     # via
     #   build
     #   delocate
-pip==26.0.1
+pip==25.3
     # via -r cibuildwheel/resources/constraints.in
-platformdirs==4.9.4
+platformdirs==4.5.1
-    # via
+    # via virtualenv
-    #   python-discovery
-    #   virtualenv
 pyproject-hooks==1.2.0
     # via build
-python-discovery==1.1.3
-    # via virtualenv
 typing-extensions==4.15.0
     # via delocate
-virtualenv==21.2.0
+virtualenv==20.35.4
     # via -r cibuildwheel/resources/constraints.in

cibuildwheel/resources/constraints-python312.txt

@@ -2,33 +2,27 @@
 #    nox -s update_constraints
 altgraph==0.17.5
     # via macholib
-build==1.4.0
+build==1.3.0
     # via -r cibuildwheel/resources/constraints.in
 delocate==0.13.0
     # via -r cibuildwheel/resources/constraints.in
 distlib==0.4.0
     # via virtualenv
-filelock==3.25.2
+filelock==3.20.0
-    # via
+    # via virtualenv
-    #   python-discovery
-    #   virtualenv
 macholib==1.16.4
     # via delocate
-packaging==26.0
+packaging==25.0
     # via
     #   build
     #   delocate
-pip==26.0.1
+pip==25.3
     # via -r cibuildwheel/resources/constraints.in
-platformdirs==4.9.4
+platformdirs==4.5.1
-    # via
+    # via virtualenv
-    #   python-discovery
-    #   virtualenv
 pyproject-hooks==1.2.0
     # via build
-python-discovery==1.1.3
-    # via virtualenv
 typing-extensions==4.15.0
     # via delocate
-virtualenv==21.2.0
+virtualenv==20.35.4
     # via -r cibuildwheel/resources/constraints.in

cibuildwheel/resources/constraints-python313.txt

@@ -2,33 +2,27 @@
 #    nox -s update_constraints
 altgraph==0.17.5
     # via macholib
-build==1.4.0
+build==1.3.0
     # via -r cibuildwheel/resources/constraints.in
 delocate==0.13.0
     # via -r cibuildwheel/resources/constraints.in
 distlib==0.4.0
     # via virtualenv
-filelock==3.25.2
+filelock==3.20.0
-    # via
+    # via virtualenv
-    #   python-discovery
-    #   virtualenv
 macholib==1.16.4
     # via delocate
-packaging==26.0
+packaging==25.0
     # via
     #   build
     #   delocate
-pip==26.0.1
+pip==25.3
     # via -r cibuildwheel/resources/constraints.in
-platformdirs==4.9.4
+platformdirs==4.5.1
-    # via
+    # via virtualenv
-    #   python-discovery
-    #   virtualenv
 pyproject-hooks==1.2.0
     # via build
-python-discovery==1.1.3
-    # via virtualenv
 typing-extensions==4.15.0
     # via delocate
-virtualenv==21.2.0
+virtualenv==20.35.4
     # via -r cibuildwheel/resources/constraints.in

cibuildwheel/resources/constraints-python314.txt

@@ -2,33 +2,27 @@
 #    nox -s update_constraints
 altgraph==0.17.5
     # via macholib
-build==1.4.0
+build==1.3.0
     # via -r cibuildwheel/resources/constraints.in
 delocate==0.13.0
     # via -r cibuildwheel/resources/constraints.in
 distlib==0.4.0
     # via virtualenv
-filelock==3.25.2
+filelock==3.20.0
-    # via
+    # via virtualenv
-    #   python-discovery
-    #   virtualenv
 macholib==1.16.4
     # via delocate
-packaging==26.0
+packaging==25.0
     # via
     #   build
     #   delocate
-pip==26.0.1
+pip==25.3
     # via -r cibuildwheel/resources/constraints.in
-platformdirs==4.9.4
+platformdirs==4.5.1
-    # via
+    # via virtualenv
-    #   python-discovery
-    #   virtualenv
 pyproject-hooks==1.2.0
     # via build
-python-discovery==1.1.3
-    # via virtualenv
 typing-extensions==4.15.0
     # via delocate
-virtualenv==21.2.0
+virtualenv==20.35.4
     # via -r cibuildwheel/resources/constraints.in

cibuildwheel/resources/constraints-python38.txt

@@ -9,34 +9,28 @@ delocate==0.12.0
 distlib==0.4.0
     # via virtualenv
 filelock==3.16.1
-    # via
+    # via virtualenv
-    #   python-discovery
-    #   virtualenv
 importlib-metadata==8.5.0
     # via build
 macholib==1.16.4
     # via delocate
-packaging==26.0
+packaging==25.0
     # via
     #   build
     #   delocate
 pip==25.0.1
     # via -r cibuildwheel/resources/constraints.in
 platformdirs==4.3.6
-    # via
+    # via virtualenv
-    #   python-discovery
-    #   virtualenv
 pyproject-hooks==1.2.0
     # via build
-python-discovery==1.1.3
+tomli==2.3.0
-    # via virtualenv
-tomli==2.4.0
     # via build
 typing-extensions==4.13.2
     # via
     #   delocate
     #   virtualenv
-virtualenv==21.2.0
+virtualenv==20.35.4
     # via -r cibuildwheel/resources/constraints.in
 zipp==3.20.2
     # via importlib-metadata

cibuildwheel/resources/constraints-python39.txt

@@ -2,41 +2,35 @@
 #    nox -s update_constraints
 altgraph==0.17.5
     # via macholib
-build==1.4.0
+build==1.3.0
     # via -r cibuildwheel/resources/constraints.in
 delocate==0.13.0
     # via -r cibuildwheel/resources/constraints.in
 distlib==0.4.0
     # via virtualenv
 filelock==3.19.1
-    # via
+    # via virtualenv
-    #   python-discovery
+importlib-metadata==8.7.0
-    #   virtualenv
-importlib-metadata==8.7.1
     # via build
 macholib==1.16.4
     # via delocate
-packaging==26.0
+packaging==25.0
     # via
     #   build
     #   delocate
-pip==26.0.1
+pip==25.3
     # via -r cibuildwheel/resources/constraints.in
 platformdirs==4.4.0
-    # via
+    # via virtualenv
-    #   python-discovery
-    #   virtualenv
 pyproject-hooks==1.2.0
     # via build
-python-discovery==1.1.3
+tomli==2.3.0
-    # via virtualenv
-tomli==2.4.0
     # via build
 typing-extensions==4.15.0
     # via
     #   delocate
     #   virtualenv
-virtualenv==21.2.0
+virtualenv==20.35.4
     # via -r cibuildwheel/resources/constraints.in
 zipp==3.23.0
     # via importlib-metadata

cibuildwheel/resources/constraints.txt

@@ -2,33 +2,27 @@
 #    nox -s update_constraints
 altgraph==0.17.5
     # via macholib
-build==1.4.0
+build==1.3.0
     # via -r cibuildwheel/resources/constraints.in
 delocate==0.13.0
     # via -r cibuildwheel/resources/constraints.in
 distlib==0.4.0
     # via virtualenv
-filelock==3.25.2
+filelock==3.20.0
-    # via
+    # via virtualenv
-    #   python-discovery
-    #   virtualenv
 macholib==1.16.4
     # via delocate
-packaging==26.0
+packaging==25.0
     # via
     #   build
     #   delocate
-pip==26.0.1
+pip==25.3
     # via -r cibuildwheel/resources/constraints.in
-platformdirs==4.9.4
+platformdirs==4.5.1
-    # via
+    # via virtualenv
-    #   python-discovery
-    #   virtualenv
 pyproject-hooks==1.2.0
     # via build
-python-discovery==1.1.3
-    # via virtualenv
 typing-extensions==4.15.0
     # via delocate
-virtualenv==21.2.0
+virtualenv==20.35.4
     # via -r cibuildwheel/resources/constraints.in

cibuildwheel/resources/nodejs.toml

@@ -1,4 +1,4 @@
 url = "https://nodejs.org/dist/"
-v24 = "v24.14.0"
+v24 = "v24.12.0"
-v22 = "v22.22.1"
+v22 = "v22.21.1"
-v20 = "v20.20.1"
+v20 = "v20.19.6"

cibuildwheel/resources/pinned_docker_images.cfg

@@ -1,54 +1,54 @@
 [x86_64]
-manylinux2014 = quay.io/pypa/manylinux2014_x86_64:2026.03.14-2
+manylinux2014 = quay.io/pypa/manylinux2014_x86_64:2025.12.13-1
-manylinux_2_28 = quay.io/pypa/manylinux_2_28_x86_64:2026.03.14-2
+manylinux_2_28 = quay.io/pypa/manylinux_2_28_x86_64:2025.12.13-1
-manylinux_2_34 = quay.io/pypa/manylinux_2_34_x86_64:2026.03.14-2
+manylinux_2_34 = quay.io/pypa/manylinux_2_34_x86_64:2025.12.13-1
-musllinux_1_2 = quay.io/pypa/musllinux_1_2_x86_64:2026.03.14-2
+musllinux_1_2 = quay.io/pypa/musllinux_1_2_x86_64:2025.12.13-1
 
 [i686]
-manylinux2014 = quay.io/pypa/manylinux2014_i686:2026.03.14-2
+manylinux2014 = quay.io/pypa/manylinux2014_i686:2025.12.13-1
-manylinux_2_28 = quay.io/pypa/manylinux_2_28_i686:2026.03.14-2
+manylinux_2_28 = quay.io/pypa/manylinux_2_28_i686:2025.12.13-1
-manylinux_2_34 = quay.io/pypa/manylinux_2_34_i686:2026.03.14-2
+manylinux_2_34 = quay.io/pypa/manylinux_2_34_i686:2025.12.13-1
-musllinux_1_2 = quay.io/pypa/musllinux_1_2_i686:2026.03.14-2
+musllinux_1_2 = quay.io/pypa/musllinux_1_2_i686:2025.12.13-1
 
 [aarch64]
-manylinux2014 = quay.io/pypa/manylinux2014_aarch64:2026.03.14-2
+manylinux2014 = quay.io/pypa/manylinux2014_aarch64:2025.12.13-1
-manylinux_2_28 = quay.io/pypa/manylinux_2_28_aarch64:2026.03.14-2
+manylinux_2_28 = quay.io/pypa/manylinux_2_28_aarch64:2025.12.13-1
-manylinux_2_34 = quay.io/pypa/manylinux_2_34_aarch64:2026.03.14-2
+manylinux_2_34 = quay.io/pypa/manylinux_2_34_aarch64:2025.12.13-1
-musllinux_1_2 = quay.io/pypa/musllinux_1_2_aarch64:2026.03.14-2
+musllinux_1_2 = quay.io/pypa/musllinux_1_2_aarch64:2025.12.13-1
 
 [ppc64le]
-manylinux2014 = quay.io/pypa/manylinux2014_ppc64le:2026.03.14-2
+manylinux2014 = quay.io/pypa/manylinux2014_ppc64le:2025.12.13-1
-manylinux_2_28 = quay.io/pypa/manylinux_2_28_ppc64le:2026.03.14-2
+manylinux_2_28 = quay.io/pypa/manylinux_2_28_ppc64le:2025.12.13-1
-manylinux_2_34 = quay.io/pypa/manylinux_2_34_ppc64le:2026.03.14-2
+manylinux_2_34 = quay.io/pypa/manylinux_2_34_ppc64le:2025.12.13-1
-musllinux_1_2 = quay.io/pypa/musllinux_1_2_ppc64le:2026.03.14-2
+musllinux_1_2 = quay.io/pypa/musllinux_1_2_ppc64le:2025.12.13-1
 
 [s390x]
-manylinux2014 = quay.io/pypa/manylinux2014_s390x:2026.03.14-2
+manylinux2014 = quay.io/pypa/manylinux2014_s390x:2025.12.13-1
-manylinux_2_28 = quay.io/pypa/manylinux_2_28_s390x:2026.03.14-2
+manylinux_2_28 = quay.io/pypa/manylinux_2_28_s390x:2025.12.13-1
-manylinux_2_34 = quay.io/pypa/manylinux_2_34_s390x:2026.03.14-2
+manylinux_2_34 = quay.io/pypa/manylinux_2_34_s390x:2025.12.13-1
-musllinux_1_2 = quay.io/pypa/musllinux_1_2_s390x:2026.03.14-2
+musllinux_1_2 = quay.io/pypa/musllinux_1_2_s390x:2025.12.13-1
 
 [pypy_x86_64]
-manylinux2014 = quay.io/pypa/manylinux2014_x86_64:2026.03.14-2
+manylinux2014 = quay.io/pypa/manylinux2014_x86_64:2025.12.13-1
-manylinux_2_28 = quay.io/pypa/manylinux_2_28_x86_64:2026.03.14-2
+manylinux_2_28 = quay.io/pypa/manylinux_2_28_x86_64:2025.12.13-1
-manylinux_2_34 = quay.io/pypa/manylinux_2_34_x86_64:2026.03.14-2
+manylinux_2_34 = quay.io/pypa/manylinux_2_34_x86_64:2025.12.13-1
 
 [pypy_i686]
-manylinux2014 = quay.io/pypa/manylinux2014_i686:2026.03.14-2
+manylinux2014 = quay.io/pypa/manylinux2014_i686:2025.12.13-1
-manylinux_2_28 = quay.io/pypa/manylinux_2_28_i686:2026.03.14-2
+manylinux_2_28 = quay.io/pypa/manylinux_2_28_i686:2025.12.13-1
-manylinux_2_34 = quay.io/pypa/manylinux_2_34_i686:2026.03.14-2
+manylinux_2_34 = quay.io/pypa/manylinux_2_34_i686:2025.12.13-1
 
 [pypy_aarch64]
-manylinux2014 = quay.io/pypa/manylinux2014_aarch64:2026.03.14-2
+manylinux2014 = quay.io/pypa/manylinux2014_aarch64:2025.12.13-1
-manylinux_2_28 = quay.io/pypa/manylinux_2_28_aarch64:2026.03.14-2
+manylinux_2_28 = quay.io/pypa/manylinux_2_28_aarch64:2025.12.13-1
-manylinux_2_34 = quay.io/pypa/manylinux_2_34_aarch64:2026.03.14-2
+manylinux_2_34 = quay.io/pypa/manylinux_2_34_aarch64:2025.12.13-1
 
 [armv7l]
-manylinux_2_31 = quay.io/pypa/manylinux_2_31_armv7l:2026.03.14-2
+manylinux_2_31 = quay.io/pypa/manylinux_2_31_armv7l:2025.12.13-1
-manylinux_2_35 = quay.io/pypa/manylinux_2_35_armv7l:2026.03.14-2
+manylinux_2_35 = quay.io/pypa/manylinux_2_35_armv7l:2025.12.13-1
-musllinux_1_2 = quay.io/pypa/musllinux_1_2_armv7l:2026.03.14-2
+musllinux_1_2 = quay.io/pypa/musllinux_1_2_armv7l:2025.12.13-1
 
 [riscv64]
-manylinux_2_39 = quay.io/pypa/manylinux_2_39_riscv64:2026.03.14-2
+manylinux_2_39 = quay.io/pypa/manylinux_2_39_riscv64:2025.12.13-1
-musllinux_1_2 = quay.io/pypa/musllinux_1_2_riscv64:2026.03.14-2
+musllinux_1_2 = quay.io/pypa/musllinux_1_2_riscv64:2025.12.13-1
 

cibuildwheel/resources/python-build-standalone-releases.json

@@ -1,483 +1,483 @@
 {
   "releases": [
     {
-      "tag": "20260310",
+      "tag": "20251209",
       "assets": [
         {
-          "name": "cpython-3.10.20+20260310-aarch64-apple-darwin-install_only.tar.gz",
+          "name": "cpython-3.10.19+20251209-aarch64-apple-darwin-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20260310/cpython-3.10.20%2B20260310-aarch64-apple-darwin-install_only.tar.gz"
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20251209/cpython-3.10.19%2B20251209-aarch64-apple-darwin-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.10.20+20260310-aarch64-unknown-linux-gnu-install_only.tar.gz",
+          "name": "cpython-3.10.19+20251209-aarch64-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20260310/cpython-3.10.20%2B20260310-aarch64-unknown-linux-gnu-install_only.tar.gz"
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20251209/cpython-3.10.19%2B20251209-aarch64-unknown-linux-gnu-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.10.20+20260310-aarch64-unknown-linux-musl-install_only.tar.gz",
+          "name": "cpython-3.10.19+20251209-aarch64-unknown-linux-musl-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20260310/cpython-3.10.20%2B20260310-aarch64-unknown-linux-musl-install_only.tar.gz"
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20251209/cpython-3.10.19%2B20251209-aarch64-unknown-linux-musl-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.10.20+20260310-armv7-unknown-linux-gnueabi-install_only.tar.gz",
+          "name": "cpython-3.10.19+20251209-armv7-unknown-linux-gnueabi-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20260310/cpython-3.10.20%2B20260310-armv7-unknown-linux-gnueabi-install_only.tar.gz"
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20251209/cpython-3.10.19%2B20251209-armv7-unknown-linux-gnueabi-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.10.20+20260310-armv7-unknown-linux-gnueabihf-install_only.tar.gz",
+          "name": "cpython-3.10.19+20251209-armv7-unknown-linux-gnueabihf-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20260310/cpython-3.10.20%2B20260310-armv7-unknown-linux-gnueabihf-install_only.tar.gz"
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20251209/cpython-3.10.19%2B20251209-armv7-unknown-linux-gnueabihf-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.10.20+20260310-i686-pc-windows-msvc-install_only.tar.gz",
+          "name": "cpython-3.10.19+20251209-i686-pc-windows-msvc-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20260310/cpython-3.10.20%2B20260310-i686-pc-windows-msvc-install_only.tar.gz"
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20251209/cpython-3.10.19%2B20251209-i686-pc-windows-msvc-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.10.20+20260310-ppc64le-unknown-linux-gnu-install_only.tar.gz",
+          "name": "cpython-3.10.19+20251209-ppc64le-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20260310/cpython-3.10.20%2B20260310-ppc64le-unknown-linux-gnu-install_only.tar.gz"
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20251209/cpython-3.10.19%2B20251209-ppc64le-unknown-linux-gnu-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.10.20+20260310-riscv64-unknown-linux-gnu-install_only.tar.gz",
+          "name": "cpython-3.10.19+20251209-riscv64-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20260310/cpython-3.10.20%2B20260310-riscv64-unknown-linux-gnu-install_only.tar.gz"
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20251209/cpython-3.10.19%2B20251209-riscv64-unknown-linux-gnu-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.10.20+20260310-s390x-unknown-linux-gnu-install_only.tar.gz",
+          "name": "cpython-3.10.19+20251209-s390x-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20260310/cpython-3.10.20%2B20260310-s390x-unknown-linux-gnu-install_only.tar.gz"
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20251209/cpython-3.10.19%2B20251209-s390x-unknown-linux-gnu-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.10.20+20260310-x86_64-apple-darwin-install_only.tar.gz",
+          "name": "cpython-3.10.19+20251209-x86_64-apple-darwin-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20260310/cpython-3.10.20%2B20260310-x86_64-apple-darwin-install_only.tar.gz"
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20251209/cpython-3.10.19%2B20251209-x86_64-apple-darwin-install_only.tar.gz"
         },
         {
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+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20251209/cpython-3.15.0a2%2B20251209-x86_64_v2-unknown-linux-musl-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.15.0a7+20260310-x86_64_v3-unknown-linux-gnu-install_only.tar.gz",
+          "name": "cpython-3.15.0a2+20251209-x86_64_v3-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20260310/cpython-3.15.0a7%2B20260310-x86_64_v3-unknown-linux-gnu-install_only.tar.gz"
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20251209/cpython-3.15.0a2%2B20251209-x86_64_v3-unknown-linux-gnu-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.15.0a7+20260310-x86_64_v3-unknown-linux-musl-install_only.tar.gz",
+          "name": "cpython-3.15.0a2+20251209-x86_64_v3-unknown-linux-musl-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20260310/cpython-3.15.0a7%2B20260310-x86_64_v3-unknown-linux-musl-install_only.tar.gz"
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20251209/cpython-3.15.0a2%2B20251209-x86_64_v3-unknown-linux-musl-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.15.0a7+20260310-x86_64_v4-unknown-linux-gnu-install_only.tar.gz",
+          "name": "cpython-3.15.0a2+20251209-x86_64_v4-unknown-linux-gnu-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20260310/cpython-3.15.0a7%2B20260310-x86_64_v4-unknown-linux-gnu-install_only.tar.gz"
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20251209/cpython-3.15.0a2%2B20251209-x86_64_v4-unknown-linux-gnu-install_only.tar.gz"
         },
         {
-          "name": "cpython-3.15.0a7+20260310-x86_64_v4-unknown-linux-musl-install_only.tar.gz",
+          "name": "cpython-3.15.0a2+20251209-x86_64_v4-unknown-linux-musl-install_only.tar.gz",
-          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20260310/cpython-3.15.0a7%2B20260310-x86_64_v4-unknown-linux-musl-install_only.tar.gz"
+          "url": "https://github.com/astral-sh/python-build-standalone/releases/download/20251209/cpython-3.15.0a2%2B20251209-x86_64_v4-unknown-linux-musl-install_only.tar.gz"
         }
       ]
     }

cibuildwheel/resources/virtualenv.toml

@@ -1 +1 @@
-default = { version = "21.2.0", url = "https://github.com/pypa/get-virtualenv/releases/download/21.2.0/virtualenv.pyz" }
+default = { version = "20.35.4", url = "https://github.com/pypa/get-virtualenv/releases/download/20.35.4/virtualenv.pyz" }

cibuildwheel/selector.py

@@ -29,6 +29,7 @@ class EnableGroup(StrEnum):
     Groups of build selectors that are not enabled by default.
     """
 
+    CPythonExperimentalRiscV64 = "cpython-experimental-riscv64"
     CPythonFreeThreading = "cpython-freethreading"
     CPythonPrerelease = "cpython-prerelease"
     GraalPy = "graalpy"
@@ -38,7 +39,7 @@ class EnableGroup(StrEnum):
 
     @classmethod
     def all_groups(cls) -> frozenset["EnableGroup"]:
-        return frozenset(cls)
+        return frozenset(set(cls) - {cls.CPythonExperimentalRiscV64})
 
     @classmethod
     def parse_option_value(cls, value: str) -> frozenset["EnableGroup"]:
@@ -75,7 +76,7 @@ class BuildSelector:
     def __call__(self, build_id: str) -> bool:
         # Filter build selectors by python_requires if set
         if self.requires_python is not None:
-            py_ver_str = build_id.split("-", maxsplit=1)[0].split("_", maxsplit=1)[0]
+            py_ver_str = build_id.split("-")[0].split("_")[0]
             py_ver_str = py_ver_str.removesuffix("t")
             major = int(py_ver_str[2])
             minor = int(py_ver_str[3:])

cibuildwheel/venv.py

@@ -1,4 +1,3 @@
-import contextlib
 import functools
 import os
 import shutil
@@ -108,9 +107,8 @@ def virtualenv(
     assert python.exists()
 
     if use_uv:
-        uv_path = find_uv()
+        ensure_uv()
-        assert uv_path is not None
+        call("uv", "venv", venv_path, "--python", python)
-        call(uv_path, "venv", venv_path, "--python", python)
     else:
         virtualenv_app, virtualenv_version = _ensure_virtualenv(version)
         if pip_version is None:
@@ -158,12 +156,17 @@ def virtualenv(
     return venv_env
 
 
-def find_uv() -> Path | None:
+def ensure_uv() -> None:
-    # Prefer uv in our environment
+    """
-    with contextlib.suppress(ImportError, FileNotFoundError):
+    Ensures uv is available on PATH. Raises an error with a helpful message if not found.
-        from uv import find_uv_bin  # noqa: PLC0415
 
-        return Path(find_uv_bin())
+    When using build-frontend=build[uv], callers must ensure uv is available
-
+    on PATH before invoking cibuildwheel.
-    uv_on_path = shutil.which("uv")
+    """
-    return Path(uv_on_path) if uv_on_path else None
+    if shutil.which("uv") is None:
+        msg = (
+            "uv not found on PATH. When using build-frontend=build[uv], "
+            "ensure uv is installed and available on PATH. "
+            "You can install it with 'pip install uv' or see https://docs.astral.sh/uv/getting-started/installation/"
+        )
+        raise FileNotFoundError(msg)

docs/changelog.md

@@ -4,23 +4,6 @@ title: Changelog
 
 # Changelog
 
-### v3.4.0
-
-_5 March 2026_
-
-- 🌟 You can now build wheels using `uv` as a build frontend. This should improve performance, especially if your project has lots of build dependencies. To use, set [`build-frontend`](https://cibuildwheel.pypa.io/en/stable/options/#build-frontend) to `uv`. (#2322)
-- ⚠️ We no longer support running on Travis CI. It may continue working but we don't run tests there anymore so we can't be sure. (#2682)
-- ✨ Improvements to building rust wheels on Android (#2650)
-- 🐛 Fix bug with the GitHub Action on Windows, where PATH was getting unnecessarily changed, causing issues with meson builds. (#2723)
-- ✨ Add support for quiet setting on `build` and `uv` from the cibuildwheel `build-verbosity` setting. (#2737)
-- 📚 Docs updates, including guidance on using Meson on Windows (#2718)
-
-### v3.3.1
-
-_5 January 2026_
-
-- 🛠 Update dependencies and container pins, including updating to CPython 3.14.2. (#2708)
-
 ### v3.3.0
 
 _12 November 2025_

docs/ci-services.md

@@ -25,7 +25,7 @@ To build Linux, macOS, and Windows wheels using GitHub Actions, create a `.githu
     `package-dir: .`, `output-dir: wheelhouse` and `config-file: ''`
     locations (those values are the defaults). You can also pass a
     comma-separated list of extras to install additional packages.
-    For example, `extras: "uv"` to install UV into the virtual environment.
+    For example, `extras: "uv"` to make uv available for cibuildwheel to use.
 
 !!! tab "pipx"
     The GitHub Actions runners have pipx installed, so you can easily build in
@@ -72,6 +72,22 @@ Commit this file, enable building of your repo on Azure Pipelines, and push.
 
 Wheels will be stored for you and available through the Pipelines interface. For more info on this file, check out the [docs](https://docs.microsoft.com/en-us/azure/devops/pipelines/yaml-schema).
 
+### Travis CI [linux/windows] {: #travis-ci}
+
+To build Linux and Windows wheels on Travis CI, create a `.travis.yml` file in your repo.
+
+> .travis.yml
+
+```yaml
+{% include "../examples/travis-ci-minimal.yml" %}
+```
+
+Commit this file, enable building of your repo on Travis CI, and push.
+
+Then setup a deployment method by following the [Travis CI deployment docs](https://docs.travis-ci.com/user/deployment/), or see [Delivering to PyPI](deliver-to-pypi.md). For more info on `.travis.yml`, check out the [docs](https://docs.travis-ci.com/).
+
+[`examples/travis-ci-deploy.yml`](https://github.com/pypa/cibuildwheel/blob/main/examples/travis-ci-deploy.yml) extends this minimal example with a demonstration of how to automatically upload the built wheels to PyPI.
+
 ### CircleCI [linux/mac] {: #circleci}
 
 To build Linux and Mac wheels on CircleCI, create a `.circleci/config.yml` file in your repo,

docs/configuration.md

@@ -30,6 +30,17 @@ cibuildwheel to run tests, add the following YAML to your CI config file:
       CIBW_TEST_COMMAND: "pytest {project}/tests"
     ```
 
+!!! tab "Travis CI"
+
+    > .travis.yml ([docs](https://docs.travis-ci.com/user/environment-variables/))
+
+    ```yaml
+    env:
+      global:
+        - CIBW_TEST_REQUIRES=pytest
+        - CIBW_TEST_COMMAND="pytest {project}/tests"
+    ```
+
 !!! tab "CircleCI"
 
     > .circleci/config.yml ([docs](https://circleci.com/docs/2.0/configuration-reference/#environment))

docs/deliver-to-pypi.md

@@ -29,11 +29,10 @@ GitHub actions has pipx in all the runners as a supported package manager, as we
     name: Make SDist
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v5
       with:
         fetch-depth: 0  # Optional, use if you use setuptools_scm
         submodules: true  # Optional, use if you have submodules
-        persist-credentials: false # Highly recommended as a good security practice to not store credentials in disk, unless you need this for your specific use case
 
     - name: Build SDist
       run: pipx run build --sdist
@@ -72,6 +71,12 @@ for an example configuration that automatically uploads wheels to PyPI. Also see
 [scikit-hep.org/developer/gha_wheels](https://scikit-hep.org/developer/gha_wheels)
 for a complete guide.
 
+### TravisCI
+
+See
+[`examples/travis-ci-deploy.yml`](https://github.com/pypa/cibuildwheel/blob/main/examples/travis-ci-deploy.yml)
+for an example configuration.
+
 ## Manual method
 
 On your development machine, install [pipx](https://pipx.pypa.io/) and do the following:

docs/faq.md

@@ -99,21 +99,6 @@ Second, there might be platforms you want to ship for that NumPy (or some other
 
 (Note the `*_ONLY_BINARY` variable also supports `":all:"`, and you don't need both that and `*_PREFER_BINARY`, you can use either one, depending on if you want a missing wheel to be a failure or an attempt to build in CI.)
 
-### Building with Meson-Python on Windows
-
-Meson generally works well with cibuildwheel, but there are a few things to be aware of:
-
--   On GitHub Actions, the compiler that's chosen by default on Windows is often the MinGW compiler, rather than the MSVC toolchain that Python was compiled with.
-
-    The simplest fix for this is to configure cibuildwheel to pass the `--vsenv` flag to meson, like this:
-
-    ```toml
-    [tool.cibuildwheel.windows]
-    config-settings = { "setup-args" = "--vsenv" }
-    ```
-
--   If you need to build 32-bit Windows wheels, you need to activate a 32-bit compiler toolchain before starting cibuildwheel. Many users use [ilammy/msvc-dev-cmd](https://github.com/ilammy/msvc-dev-cmd) for this purpose.
-
 ### Automatic updates using Dependabot {: #automatic-updates}
 
 Selecting a moving target (like the latest release) is generally a bad idea in CI. If something breaks, you can't tell whether it was your code or an upstream update that caused the breakage, and in a worst-case scenario, it could occur during a release.
@@ -125,7 +110,7 @@ There are two suggested methods for keeping cibuildwheel up to date that instead
 If you use GitHub Actions for builds, you can use cibuildwheel as an action:
 
 ```yaml
-uses: pypa/cibuildwheel@v3.4.0
+uses: pypa/cibuildwheel@v3.3.0
 ```
 
 This is a composite step that just runs cibuildwheel using pipx. You can set command-line options as `with:` parameters, and use `env:` as normal.
@@ -147,7 +132,7 @@ The second option, and the only one that supports other CI systems, is using a `
 
 ```bash
 # requirements-cibw.txt
-cibuildwheel==3.4.0
+cibuildwheel==3.3.0
 ```
 
 Then your install step would have `python -m pip install -r requirements-cibw.txt` in it. Your `.github/dependabot.yml` file could look like this:
@@ -312,7 +297,7 @@ Solutions to this vary, but the simplest is to use pipx:
 # most runners have pipx preinstalled, but in case you don't
 python3 -m pip install pipx
 
-pipx run cibuildwheel==3.4.0 --output-dir wheelhouse
+pipx run cibuildwheel==3.3.0 --output-dir wheelhouse
 pipx run twine upload wheelhouse/*.whl
 ```
 

docs/index.md

@@ -22,8 +22,3 @@ This diagram summarises the steps that cibuildwheel takes on each platform to bu
 %}
 
 This isn't exhaustive, for a full list of the things cibuildwheel can do, check the [options](options.md) page.
-
-!!! warning "A note on security"
-      Building and testing wheels executes arbitrary code from your project and its dependencies. Although cibuildwheel uses OCI containers and Pyodide for some builds, these provide no security guarantees - the code you're building and testing has full access to the environment that's invoking cibuildwheel.
-
-      If you cannot trust all the code that's pulled in, maintain good security hygiene: keep the job that builds distributions separate from the job that uploads them to PyPI, handle secrets and credentials with care and rotate them regularly, and follow the principle of least privilege when granting permissions. Do not store sensitive data on CI runners.

docs/options.md

@@ -465,27 +465,25 @@ Options:
 - `build[;args: ...]`
 - `build[uv][;args: ...]`
 - `pip[;args: ...]`
-- `uv[;args: ...]`
 
 Default: `build`
 
 Choose which build frontend to use.
 
-You can use "build\[uv\]", which will use an external [uv][] everywhere
+You can use "build\[uv\]", which will use [uv][] everywhere possible, both
-possible, both through `--installer=uv` passed to build, as well as when making
+through `--installer=uv` passed to build, as well as when making all build and
-all build and test environments. This will generally speed up cibuildwheel.
+test environments. This will generally speed up cibuildwheel.
-Make sure you have an external uv on Windows and macOS, either by
-pre-installing it, or installing cibuildwheel with the `uv` extra, which is
-possible by manually passing `cibuildwheel[uv]` to installers or by using the
-`extras` option in the [cibuildwheel action](ci-services.md#github-actions).
-uv currently does not support iOS or musllinux on s390x, ppc64le and riscv64.
-You can also use the `uv` backend directly; though currently multiple output
-files (from workspaces) are not supported.
 
-!!! note
+When using `build[uv]`, ensure uv is available on PATH. You can do this by:
-    There is currently a compatibility issue between GraalPy and uv. If you
+
-    are building GraalPy wheels, use `build` or `pip` as the build frontend
+- Pre-installing uv (e.g., via `pip install uv` or using `astral-sh/setup-uv`
-    instead of `build[uv]` or `uv`.
+  in GitHub Actions)
+- Installing cibuildwheel with the `uv` extra by manually passing
+  `cibuildwheel[uv]` to installers
+- Using the `extras: "uv"` option in the [cibuildwheel action](ci-services.md#github-actions),
+  which installs uv in an isolated environment
+
+uv currently does not support iOS or musllinux on s390x, ppc64le and riscv64.
 
 On Android and Pyodide, the "pip" frontend is not supported.
 
@@ -519,9 +517,6 @@ optional `args` option.
 
     # Use uv and build with an argument
     build-frontend = { name = "build[uv]", args = ["--no-isolation"] }
-
-    # Use uv directly
-    build-frontend = "uv"
     ```
 
 !!! tab examples "Environment variables"
@@ -538,9 +533,6 @@ optional `args` option.
 
     # Use uv and build with an argument
     CIBW_BUILD_FRONTEND: "build[uv]; args: --no-isolation"
-
-    # Use uv directly
-    CIBW_BUILD_FRONTEND: "uv"
     ```
 
 
@@ -634,8 +626,6 @@ Platform-specific environment variables are also available:<br/>
 
     In configuration files, you can use a [TOML][] table instead of a raw string as shown above.
 
-[TOML]: https://toml.io/en/
-
 !!! tab examples "Environment variables"
 
     ```yaml
@@ -911,10 +901,6 @@ Default:
 - on macOS: `'delocate-wheel --require-archs {delocate_archs} -w {dest_dir} -v {wheel}'`
 - on Android: There is no default command, but cibuildwheel will add `libc++` to the
   wheel if anything links against it. Setting a command will replace this behavior.
-- on Pyodide: You can use `pyodide auditwheel repair --libdir /path/to/libraries --output-dir {dest_dir} {wheel}` command to repair the wheel.
-  Unlike other platforms, this command is not set by default as you need to explicitly
-  specify the library directory. You might not want to use the libraries in the system
-  directory, as they are not built for WASM and will not work.
 - on other platforms: `''`
 
 A shell command to repair a built wheel by copying external library dependencies into the wheel tree and relinking them.
@@ -942,6 +928,12 @@ Platform-specific environment variables are also available:<br/>
 
     [Delvewheel]: https://github.com/adang1345/delvewheel
 
+!!! tip
+    When using `--platform pyodide`, `pyodide build` is used to do the build,
+    which already uses `auditwheel-emscripten` to repair the wheel, so the default
+    repair command is empty. If there is a way to do this in two steps in the future,
+    this could change.
+
 #### Examples
 
 !!! tab examples "pyproject.toml"
@@ -1255,7 +1247,7 @@ Platform-specific environment variables are also available:<br/>
 
     [tool.cibuildwheel.pyodide]
     # Choose a specific pyodide-build version
-    dependency-versions = { packages = ["pyodide-build==0.31.2"] }
+    dependency-versions = { packages = ["pyodide-build==0.29.1"] }
     ```
 
 !!! tab examples "Environment variables"
@@ -1274,7 +1266,7 @@ Platform-specific environment variables are also available:<br/>
     CIBW_DEPENDENCY_VERSIONS: "packages: auditwheel==6.2.0"
 
     # Choose a specific pyodide-build version
-    CIBW_DEPENDENCY_VERSIONS_PYODIDE: "packages: pyodide-build==0.31.2"
+    CIBW_DEPENDENCY_VERSIONS_PYODIDE: "packages: pyodide-build==0.29.1"
 
     # Use shell-style quoting around spaces package specifiers
     CIBW_DEPENDENCY_VERSIONS: "packages: 'pip >=16.0.0, !=17'"
@@ -1765,16 +1757,14 @@ will not produce more logging about the build itself. Other levels only affect
 the build frontend output, which is usually things like resolving and
 downloading dependencies. The settings are:
 
-|             | build | pip    | uv    | desc                             |
+|             | build | pip    | desc                             |
-|-------------|-------|--------|-------|----------------------------------|
+|-------------|-------|--------|----------------------------------|
-| -2          | `-qq`[^1] | `-qq`  | `-qq` | even more quiet, where supported |
+| -2          | N/A   | `-qq`  | even more quiet, where supported |
-| -1          | `-q`[^1]  | `-q`   | `-q`  | quiet mode, where supported      |
+| -1          | N/A   | `-q`   | quiet mode, where supported      |
-| 0 (default) |       |        |       | default for build tool           |
+| 0 (default) |       |        | default for build tool           |
-| 1           |       | `-v`   |       | print backend output             |
+| 1           |       | `-v`   | print backend output             |
-| 2           | `-v`  | `-vv`  | `-v`  | print log messages e.g. resolving info |
+| 2           | `-v`  | `-vv`  | print log messages e.g. resolving info |
-| 3           | `-vv` | `-vvv` | `-vv` | print even more debug info       |
+| 3           | `-vv` | `-vvv` | print even more debug info       |
-
-[^1]: Not supported on Python 3.8, will be ignored with a warning.
 
 Settings that are not supported for a specific frontend will log a warning.
 The default build frontend is `build`, which does show build backend output by

docs/platforms.md

@@ -179,24 +179,13 @@ If there are pre-releases available for a newer Pyodide version, the `pyodide-pr
 
 Currently, it's recommended to run tests using a `python -m` entrypoint, rather than a command line entrypoint, or a shell script. This is because custom entrypoints have some issues in the Pyodide virtual environment. For example, `pytest` may not work as a command line entrypoint, but will work as a `python -m pytest` entrypoint.
 
-### Repairing wheels
-
-Unlike other platforms, cibuildwheel does not set a default [`repair-wheel-command`](options.md#repair-wheel-command) for Pyodide. If your package links shared libraries, you need to explicitly configure the repair command using [`pyodide auditwheel`](https://github.com/pyodide/auditwheel-emscripten):
-
-```toml
-[tool.cibuildwheel.pyodide]
-repair-wheel-command = "pyodide auditwheel repair --libdir /path/to/libraries --output-dir {dest_dir} {wheel}"
-```
-
-The `--libdir` option specifies the directory containing cross-compiled shared libraries for WASM. You should not use the system library directories (e.g. `/usr/lib`), as those libraries are not built for WebAssembly.
-
 
 ## Android {: android}
 
 ### Prerequisites
 
 cibuildwheel can build Android wheels on any POSIX platform supported by the Android
-development tools, which currently means Linux `x86_64`, macOS `ARM64` or macOS `x86_64`. Any
+development tools, which currently means Linux x86_64, macOS ARM64 or macOS x86_64. Any
 of these platforms can be used to build wheels for any Android architecture supported by
 Python. However, *testing* wheels has additional requirements: see the section below.
 
@@ -232,8 +221,10 @@ Python 3.13.
 
 ### Build frontend support
 
-Android builds do not support the `pip` frontend. The `build`, `build[uv]`, and
+Android builds only support the `build` frontend. In principle, support for the
-`uv` frontends work.
+`build[uv]` frontend should be possible, but `uv` [doesn't currently have support for
+cross-platform builds](https://github.com/astral-sh/uv/issues/7957), and [doesn't have
+support for iOS or Android wheel tags](https://github.com/astral-sh/uv/issues/8029).
 
 ### Tests
 
@@ -247,7 +238,7 @@ Any arguments specified using [`test-runtime`](options.md#test-runtime) will be
 Running an emulator requires the build machine to either be bare-metal or support
 nested virtualization. CI platforms known to meet this requirement are:
 
-* GitHub Actions Linux `x86_64`
+* GitHub Actions Linux x86_64
 
 On Linux, the emulator needs access to the KVM virtualization interface. This may
 require adding your user to a group, or changing your udev rules. On GitHub
@@ -317,7 +308,7 @@ iOS builds are *cross platform builds*, as it not possible to run compilers and
 
 ### Build frontend support
 
-iOS builds support both the `pip` and `build` build frontends. In principle, support for `uv` and `build[uv]` frontends should be possible, but `uv` [doesn't support iOS fully yet](https://github.com/astral-sh/uv/issues/16724).
+iOS builds support both the `pip` and `build` build frontends. In principle, support for `uv` with the `build[uv]` frontend should be possible, but `uv` [doesn't currently have support for cross-platform builds](https://github.com/astral-sh/uv/issues/7957), and [doesn't have support for iOS (or Android) tags](https://github.com/astral-sh/uv/issues/8029).
 
 ### Build environment
 

docs/working-examples.md

@@ -13,8 +13,8 @@ title: Working examples
 | [pytorch-fairseq][]               | ![github icon][] | ![apple icon][] ![linux icon][] | Facebook AI Research Sequence-to-Sequence Toolkit written in Python. |
 | [NumPy][]                         | ![github icon][] ![travisci icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | The fundamental package for scientific computing with Python. |
 | [NCNN][]                          | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | ncnn is a high-performance neural network inference framework optimized for the mobile platform |
-| [Matplotlib][]                    | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | The venerable Matplotlib, a Python library with C++ portions |
 | [Tornado][]                       | ![github icon][] | ![linux icon][] ![apple icon][] ![windows icon][] | Tornado is a Python web framework and asynchronous networking library. Uses stable ABI for a small C extension. |
+| [Matplotlib][]                    | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | The venerable Matplotlib, a Python library with C++ portions |
 | [MyPy][]                          | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | The compiled version of MyPy using MyPyC. |
 | [Prophet][]                       | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Tool for producing high quality forecasts for time series data that has multiple seasonality with linear or non-linear growth. |
 | [Kivy][]                          | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Open source UI framework written in Python, running on Windows, Linux, macOS, Android and iOS |
@@ -25,20 +25,20 @@ title: Working examples
 | [Google Benchmark][]              | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | A microbenchmark support library |
 | [falcon][]                        | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Falcon is a no-magic ASGI/WSGI API and microservices framework; it uses cibuildwheel for (optional) Cython extensions. |
 | [PyGame][]                        | ![github icon][] | ![apple icon][] ![linux icon][] | 🐍🎮 pygame (the library) is a Free and Open Source python programming language library for making multimedia applications like games built on top of the excellent SDL library. C, Python, Native, OpenGL. |
-| [Apache Beam][]                   | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Apache Beam is a unified programming model for Batch and Streaming data processing. |
 | [vaex][]                          | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Out-of-Core hybrid Apache Arrow/NumPy DataFrame for Python, ML, visualization and exploration of big tabular data at a billion rows per second 🚀 |
+| [Apache Beam][]                   | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Apache Beam is a unified programming model for Batch and Streaming data processing. |
 | [asyncpg][]                       | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | A fast PostgreSQL Database Client Library for Python/asyncio. |
 | [cmake][]                         | ![github icon][] ![travisci icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Multitagged binary builds for all supported platforms, using cibw 2 config configuration. |
 | [pyinstrument][]                  | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Python profiler with a C extension. No external dependencies. |
 | [scikit-image][]                  | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Image processing library. Uses cibuildwheel to build and test a project that uses Cython with platform-native code.  |
-| [cvxpy][]                         | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | A Python-embedded modeling language for convex optimization problems. |
 | [PyOxidizer][]                    | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | A modern Python application packaging and distribution tool |
-| [pedalboard][]                    | ![github icon][] | ![windows icon][] ![linux icon][] ![apple icon][] | A Python library for working with audio data and audio plugins by wrapping the [JUCE](https://github.com/juce-framework/JUCE/) C++ framework. Uses cibuildwheel to deploy on as many operating systems and Python versions as possible with only one dependency (any NumPy).  |
+| [cvxpy][]                         | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | A Python-embedded modeling language for convex optimization problems. |
 | [twisted-iocpsupport][]           | ![github icon][] | ![windows icon][] | A submodule of Twisted that hooks into native C APIs using Cython. |
+| [pedalboard][]                    | ![github icon][] | ![windows icon][] ![linux icon][] ![apple icon][] | A Python library for working with audio data and audio plugins by wrapping the [JUCE](https://github.com/juce-framework/JUCE/) C++ framework. Uses cibuildwheel to deploy on as many operating systems and Python versions as possible with only one dependency (any NumPy).  |
 | [River][]                         | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | 🌊 Online machine learning in Python |
 | [websockets][]                    | ![travisci icon][] | ![apple icon][] ![linux icon][] | Library for building WebSocket servers and clients. Mostly written in Python, with a small C 'speedups' extension module.  |
-| [OpenSpiel][]                     | ![github icon][] | ![apple icon][] ![linux icon][] | OpenSpiel is a collection of environments and algorithms for research in general reinforcement learning and search/planning in games. |
 | [aiortc][]                        | ![github icon][] | ![apple icon][] ![linux icon][] | WebRTC and ORTC implementation for Python using asyncio. |
+| [OpenSpiel][]                     | ![github icon][] | ![apple icon][] ![linux icon][] | OpenSpiel is a collection of environments and algorithms for research in general reinforcement learning and search/planning in games. |
 | [Dependency Injector][]           | ![travisci icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Dependency injection framework for Python, uses Windows TravisCI |
 | [UltraJSON][]                     | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Ultra fast JSON decoder and encoder written in C with Python bindings |
 | [CTranslate2][]                   | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Includes libraries from the [Intel oneAPI toolkit](https://www.intel.com/content/www/us/en/developer/tools/oneapi/base-toolkit.html) and CUDA kernels compiled for multiple GPU architectures. |
@@ -47,14 +47,14 @@ title: Working examples
 | [tinyobjloader][]                 | ![azurepipelines icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Tiny but powerful single file wavefront obj loader |
 | [vispy][]                         | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Main repository for Vispy |
 | [coverage.py][]                   | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | The coverage tool for Python |
-| [Line Profiler][]                 | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Line-by-line profiling for Python |
 | [PyCryptodome][]                  | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | A self-contained cryptographic library for Python |
+| [Line Profiler][]                 | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Line-by-line profiling for Python |
 | [PyAV][]                          | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Pythonic bindings for FFmpeg's libraries. |
 | [PyYAML][]                        | ![github icon][] | ![apple icon][] | Canonical source repository for PyYAML |
 | [pikepdf][]                       | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | A Python library for reading and writing PDF, powered by QPDF |
 | [numexpr][]                       | ![github icon][] ![travisci icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Fast numerical array expression evaluator for Python, NumPy, Pandas, PyTables and more |
-| [Psycopg 3][]                     | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | A modern implementation of a PostgreSQL adapter for Python |
 | [Wrapt][]                         | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | A Python module for decorators, wrappers and monkey patching. |
+| [Psycopg 3][]                     | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | A modern implementation of a PostgreSQL adapter for Python |
 | [h5py][]                          | ![azurepipelines icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | HDF5 for Python -- The h5py package is a Pythonic interface to the HDF5 binary data format. |
 | [envd][]                          | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | A machine learning development environment build tool |
 | [OpenColorIO][]                   | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | A color management framework for visual effects and animation. |
@@ -65,15 +65,15 @@ title: Working examples
 | [PyTables][]                      | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | A Python package to manage extremely large amounts of data |
 | [google neuroglancer][]           | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | WebGL-based viewer for volumetric data |
 | [Parselmouth][]                   | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | A Python interface to the Praat software package, using pybind11, C++17 and CMake, with the core Praat static library built only once and shared between wheels. |
-| [H3-py][]                         | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Python bindings for H3, a hierarchical hexagonal geospatial indexing system |
 | [AutoPy][]                        | ![travisci icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Includes a Windows Travis build. |
+| [H3-py][]                         | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Python bindings for H3, a hierarchical hexagonal geospatial indexing system |
 | [DeepForest][]                    | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | An Efficient, Scalable and Optimized Python Framework for Deep Forest (2021.2.1) |
 | [time-machine][]                  | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Time mocking library using only the CPython C API. |
 | [mosec][]                         | ![github icon][] | ![linux icon][] ![apple icon][] | A machine learning model serving framework powered by Rust |
 | [Picologging][]                   | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | A high-performance logging library for Python. |
 | [markupsafe][]                    | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Safely add untrusted strings to HTML/XML markup. |
-| [Rtree][]                         | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Rtree: spatial index for Python GIS |
 | [pybind11 cmake_example][]        | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Example pybind11 module built with a CMake-based build system |
+| [Rtree][]                         | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Rtree: spatial index for Python GIS |
 | [KDEpy][]                         | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Kernel Density Estimation in Python |
 | [dd-trace-py][]                   | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Uses custom alternate arch emulation on GitHub |
 | [tgcalls][]                       | ![github icon][] | ![apple icon][] ![windows icon][] | Python `pybind11` binding to Telegram's WebRTC library with third party dependencies like `OpenSSL`, `MozJPEG`, `FFmpeg`, etc. |
@@ -82,9 +82,9 @@ title: Working examples
 | [pybind11 python_example][]       | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Example pybind11 module built with a Python-based build system |
 | [abess][]                         | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | A fast best-subset selection library. It uses cibuildwheel to build a large project with C++ extensions. |
 | [python-snappy][]                 | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Python bindings for the snappy google library |
-| [Confluent client for Kafka][]    | ![travisci icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | setup in `tools/wheels/build-wheels.bat` |
 | [jq.py][]                         | ![travisci icon][] | ![apple icon][] ![linux icon][] | Python bindings for jq |
 | [cyvcf2][]                        | ![github icon][] | ![apple icon][] ![linux icon][] | cython + htslib == fast VCF and BCF processing |
+| [Confluent client for Kafka][]    | ![travisci icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | setup in `tools/wheels/build-wheels.bat` |
 | [matrixprofile][]                 | ![travisci icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | A Python 3 library making time series data mining tasks, utilizing matrix profile algorithms, accessible to everyone. |
 | [Tokenizer][]                     | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Fast and customizable text tokenization library with BPE and SentencePiece support |
 | [iminuit][]                       | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Jupyter-friendly Python interface for C++ MINUIT2 |
@@ -95,8 +95,8 @@ title: Working examples
 | [TgCrypto][]                      | ![travisci icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Includes a Windows Travis build. |
 | [power-grid-model][]              | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Python/C++ library for distribution power system analysis |
 | [streaming-form-data][]           | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Streaming parser for multipart/form-data written in Cython |
-| [Imagecodecs (fork)][]            | ![azurepipelines icon][] | ![apple icon][] ![linux icon][] | Over 20 external dependencies in compiled libraries, custom docker image, `libomp`, `openblas` and `install_name_tool` for macOS. |
 | [pybase64][]                      | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Fast Base64 encoding/decoding in Python |
+| [Imagecodecs (fork)][]            | ![azurepipelines icon][] | ![apple icon][] ![linux icon][] | Over 20 external dependencies in compiled libraries, custom docker image, `libomp`, `openblas` and `install_name_tool` for macOS. |
 | [bx-python][]                     | ![travisci icon][] | ![apple icon][] ![linux icon][] | A library that includes Cython extensions. |
 | [boost-histogram][]               | ![github icon][] ![travisci icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Supports full range of wheels, including PyPy and alternate archs. |
 | [Python-WebRTC][]                 | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | a Python extension that provides bindings to WebRTC M92 |
@@ -108,11 +108,11 @@ title: Working examples
 | [ninja][]                         | ![github icon][] ![travisci icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Multitagged binary builds for all supported platforms, using cibw 2 config configuration. |
 | [etebase-py][]                    | ![travisci icon][] | ![linux icon][] | Python bindings to a Rust library using `setuptools-rust`, and `sccache` for improved speed. |
 | [cf-units][]                      | ![github icon][] | ![apple icon][] ![linux icon][] | Units of measure as required by the Climate and Forecast (CF) Metadata Conventions |
-| [SiPM][]                          | ![github icon][] | ![apple icon][] ![linux icon][] | High performance library for SiPM detectors simulation using C++17, OpenMP and AVX2 intrinsics. |
 | [numpythia][]                     | ![github icon][] | ![apple icon][] ![linux icon][] | The interface between PYTHIA and NumPy |
-| [aalink][]                        | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Async Python interface for Ableton Link. |
 | [pyjet][]                         | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | The interface between FastJet and NumPy |
+| [SiPM][]                          | ![github icon][] | ![apple icon][] ![linux icon][] | High performance library for SiPM detectors simulation using C++17, OpenMP and AVX2 intrinsics. |
 | [ril][]                           | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | A python binding to Rust Imaging library using maturin and Pyo3, utilizes Github Action cache to improve speed. Builds abi3 wheels. |
+| [aalink][]                        | ![github icon][] | ![windows icon][] ![apple icon][] ![linux icon][] | Async Python interface for Ableton Link. |
 | [GSD][]                           | ![github icon][] | ![apple icon][] ![linux icon][] ![windows icon][] | Cython and NumPy project with 64-bit wheels. |
 | [werpy][]                         | ![github icon][] | ![windows icon][] ![linux icon][] ![apple icon][] | An ultra-fast python package using optimized dynamic programming to compute the Word Error Rate (WER). |
 | [CorrectionLib][]                 | ![github icon][] | ![apple icon][] ![linux icon][] | Structured JSON powered correction library for HEP, designed for the CMS experiment at CERN. |
@@ -124,8 +124,8 @@ title: Working examples
 [pytorch-fairseq]: https://github.com/facebookresearch/fairseq
 [NumPy]: https://github.com/numpy/numpy
 [NCNN]: https://github.com/Tencent/ncnn
-[Matplotlib]: https://github.com/matplotlib/matplotlib
 [Tornado]: https://github.com/tornadoweb/tornado
+[Matplotlib]: https://github.com/matplotlib/matplotlib
 [MyPy]: https://github.com/mypyc/mypy_mypyc-wheels
 [Prophet]: https://github.com/facebook/prophet
 [Kivy]: https://github.com/kivy/kivy
@@ -136,20 +136,20 @@ title: Working examples
 [Google Benchmark]: https://github.com/google/benchmark
 [falcon]: https://github.com/falconry/falcon
 [PyGame]: https://github.com/pygame/pygame
-[Apache Beam]: https://github.com/apache/beam
 [vaex]: https://github.com/vaexio/vaex
+[Apache Beam]: https://github.com/apache/beam
 [asyncpg]: https://github.com/MagicStack/asyncpg
 [cmake]: https://github.com/scikit-build/cmake-python-distributions
 [pyinstrument]: https://github.com/joerick/pyinstrument
 [scikit-image]: https://github.com/scikit-image/scikit-image
-[cvxpy]: https://github.com/cvxpy/cvxpy
 [PyOxidizer]: https://github.com/indygreg/PyOxidizer
-[pedalboard]: https://github.com/spotify/pedalboard
+[cvxpy]: https://github.com/cvxpy/cvxpy
 [twisted-iocpsupport]: https://github.com/twisted/twisted-iocpsupport
+[pedalboard]: https://github.com/spotify/pedalboard
 [River]: https://github.com/online-ml/river
 [websockets]: https://github.com/python-websockets/websockets
-[OpenSpiel]: https://github.com/google-deepmind/open_spiel
 [aiortc]: https://github.com/aiortc/aiortc
+[OpenSpiel]: https://github.com/google-deepmind/open_spiel
 [Dependency Injector]: https://github.com/ets-labs/python-dependency-injector
 [UltraJSON]: https://github.com/ultrajson/ultrajson
 [CTranslate2]: https://github.com/OpenNMT/CTranslate2
@@ -158,14 +158,14 @@ title: Working examples
 [tinyobjloader]: https://github.com/tinyobjloader/tinyobjloader
 [vispy]: https://github.com/vispy/vispy
 [coverage.py]: https://github.com/nedbat/coveragepy
-[Line Profiler]: https://github.com/pyutils/line_profiler
 [PyCryptodome]: https://github.com/Legrandin/pycryptodome
+[Line Profiler]: https://github.com/pyutils/line_profiler
 [PyAV]: https://github.com/PyAV-Org/PyAV
 [PyYAML]: https://github.com/yaml/pyyaml
 [pikepdf]: https://github.com/pikepdf/pikepdf
 [numexpr]: https://github.com/pydata/numexpr
-[Psycopg 3]: https://github.com/psycopg/psycopg
 [Wrapt]: https://github.com/GrahamDumpleton/wrapt
+[Psycopg 3]: https://github.com/psycopg/psycopg
 [h5py]: https://github.com/h5py/h5py
 [envd]: https://github.com/tensorchord/envd
 [OpenColorIO]: https://github.com/AcademySoftwareFoundation/OpenColorIO
@@ -176,15 +176,15 @@ title: Working examples
 [PyTables]: https://github.com/PyTables/PyTables
 [google neuroglancer]: https://github.com/google/neuroglancer
 [Parselmouth]: https://github.com/YannickJadoul/Parselmouth
-[H3-py]: https://github.com/uber/h3-py
 [AutoPy]: https://github.com/autopilot-rs/autopy
+[H3-py]: https://github.com/uber/h3-py
 [DeepForest]: https://github.com/LAMDA-NJU/Deep-Forest
 [time-machine]: https://github.com/adamchainz/time-machine
 [mosec]: https://github.com/mosecorg/mosec
 [Picologging]: https://github.com/microsoft/picologging
 [markupsafe]: https://github.com/pallets/markupsafe
-[Rtree]: https://github.com/Toblerity/rtree
 [pybind11 cmake_example]: https://github.com/pybind/cmake_example
+[Rtree]: https://github.com/Toblerity/rtree
 [KDEpy]: https://github.com/tommyod/KDEpy
 [dd-trace-py]: https://github.com/DataDog/dd-trace-py
 [tgcalls]: https://github.com/MarshalX/tgcalls
@@ -193,9 +193,9 @@ title: Working examples
 [pybind11 python_example]: https://github.com/pybind/python_example
 [abess]: https://github.com/abess-team/abess
 [python-snappy]: https://github.com/intake/python-snappy
-[Confluent client for Kafka]: https://github.com/confluentinc/confluent-kafka-python
 [jq.py]: https://github.com/mwilliamson/jq.py
 [cyvcf2]: https://github.com/brentp/cyvcf2
+[Confluent client for Kafka]: https://github.com/confluentinc/confluent-kafka-python
 [matrixprofile]: https://github.com/matrix-profile-foundation/matrixprofile
 [Tokenizer]: https://github.com/OpenNMT/Tokenizer
 [iminuit]: https://github.com/scikit-hep/iminuit
@@ -206,8 +206,8 @@ title: Working examples
 [TgCrypto]: https://github.com/pyrogram/tgcrypto
 [power-grid-model]: https://github.com/PowerGridModel/power-grid-model
 [streaming-form-data]: https://github.com/siddhantgoel/streaming-form-data
-[Imagecodecs (fork)]: https://github.com/czaki/imagecodecs_build
 [pybase64]: https://github.com/mayeut/pybase64
+[Imagecodecs (fork)]: https://github.com/czaki/imagecodecs_build
 [bx-python]: https://github.com/bxlab/bx-python
 [boost-histogram]: https://github.com/scikit-hep/boost-histogram
 [Python-WebRTC]: https://github.com/MarshalX/python-webrtc
@@ -219,11 +219,11 @@ title: Working examples
 [ninja]: https://github.com/scikit-build/ninja-python-distributions
 [etebase-py]: https://github.com/etesync/etebase-py
 [cf-units]: https://github.com/SciTools/cf-units
-[SiPM]: https://github.com/EdoPro98/SimSiPM
 [numpythia]: https://github.com/scikit-hep/numpythia
-[aalink]: https://github.com/artfwo/aalink
 [pyjet]: https://github.com/scikit-hep/pyjet
+[SiPM]: https://github.com/EdoPro98/SimSiPM
 [ril]: https://github.com/Cryptex-github/ril-py
+[aalink]: https://github.com/artfwo/aalink
 [GSD]: https://github.com/glotzerlab/gsd
 [werpy]: https://github.com/analyticsinmotion/werpy
 [CorrectionLib]: https://github.com/cms-nanoAOD/correctionlib

examples/azure-pipelines-minimal.yml

@@ -6,7 +6,7 @@ jobs:
     - bash: |
         set -o errexit
         python3 -m pip install --upgrade pip
-        pip3 install cibuildwheel==3.4.0
+        pip3 install cibuildwheel==3.3.0
       displayName: Install dependencies
     - bash: cibuildwheel --output-dir wheelhouse .
       displayName: Build wheels
@@ -20,7 +20,7 @@ jobs:
     - bash: |
         set -o errexit
         python3 -m pip install --upgrade pip
-        python3 -m pip install cibuildwheel==3.4.0
+        python3 -m pip install cibuildwheel==3.3.0
       displayName: Install dependencies
     - bash: cibuildwheel --output-dir wheelhouse .
       displayName: Build wheels
@@ -34,7 +34,7 @@ jobs:
     - bash: |
         set -o errexit
         python -m pip install --upgrade pip
-        pip install cibuildwheel==3.4.0
+        pip install cibuildwheel==3.3.0
       displayName: Install dependencies
     - bash: cibuildwheel --output-dir wheelhouse .
       displayName: Build wheels

examples/circleci-minimal.yml

@@ -11,7 +11,7 @@ jobs:
       - run:
           name: Build the Linux wheels.
           command: |
-            python3 -m pip install --user cibuildwheel==3.4.0
+            python3 -m pip install --user cibuildwheel==3.3.0
             cibuildwheel --output-dir wheelhouse
       - store_artifacts:
           path: wheelhouse/
@@ -28,7 +28,7 @@ jobs:
       - run:
           name: Build the Linux aarch64 wheels.
           command: |
-            python3 -m pip install --user cibuildwheel==3.4.0
+            python3 -m pip install --user cibuildwheel==3.3.0
             python3 -m cibuildwheel --output-dir wheelhouse
       - store_artifacts:
           path: wheelhouse/
@@ -44,7 +44,7 @@ jobs:
           name: Build the OS X wheels.
           command: |
             sudo softwareupdate --install-rosetta --agree-to-license  # for python<=3.8 or x86_64/universal2 tests
-            pip3 install cibuildwheel==3.4.0
+            pip3 install cibuildwheel==3.3.0
             cibuildwheel --output-dir wheelhouse
       - store_artifacts:
           path: wheelhouse/

examples/cirrus-ci-intel-mac.yml

@@ -1,6 +1,6 @@
 build_and_store_wheels: &BUILD_AND_STORE_WHEELS
   install_cibuildwheel_script:
-    - python -m pip install cibuildwheel==3.4.0
+    - python -m pip install cibuildwheel==3.3.0
   run_cibuildwheel_script:
     - cibuildwheel
   wheels_artifacts:

examples/cirrus-ci-minimal.yml

@@ -1,6 +1,6 @@
 build_and_store_wheels: &BUILD_AND_STORE_WHEELS
   install_cibuildwheel_script:
-    - python -m pip install cibuildwheel==3.4.0
+    - python -m pip install cibuildwheel==3.3.0
   run_cibuildwheel_script:
     - cibuildwheel
   wheels_artifacts:

examples/github-deploy.yml

@@ -48,12 +48,10 @@ jobs:
             platform: pyodide
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
-        with:
-          persist-credentials: false
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v3.4.0
+        uses: pypa/cibuildwheel@v3.3.0
         env:
           CIBW_PLATFORM: ${{ matrix.platform || 'auto' }}
           CIBW_ARCHS: ${{ matrix.archs || 'auto' }}
@@ -72,9 +70,7 @@ jobs:
     name: Build source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
-        with:
-          persist-credentials: false
 
       - name: Build sdist
         run: pipx run build --sdist

examples/github-minimal.yml

@@ -12,12 +12,10 @@ jobs:
         os: [ubuntu-latest, ubuntu-24.04-arm, windows-latest, windows-11-arm, macos-15-intel, macos-14]
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
-        with:
-          persist-credentials: false
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v3.4.0
+        uses: pypa/cibuildwheel@v3.3.0
         # env:
         #   CIBW_SOME_OPTION: value
         #   ...

examples/github-pipx.yml

@@ -12,12 +12,10 @@ jobs:
         os: [ubuntu-latest, ubuntu-24.04-arm, windows-latest, windows-11-arm, macos-15-intel, macos-14]
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
-        with:
-          persist-credentials: false
 
       - name: Build wheels
-        run: pipx run cibuildwheel==3.4.0
+        run: pipx run cibuildwheel==3.3.0
 
       - uses: actions/upload-artifact@v4
         with:

examples/github-with-qemu.yml

@@ -12,9 +12,7 @@ jobs:
         os: [ubuntu-latest, ubuntu-24.04-arm, windows-latest, windows-11-arm, macos-15-intel, macos-14]
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v5
-        with:
-          persist-credentials: false
 
       - name: Set up QEMU
         if: runner.os == 'Linux' && runner.arch == 'X64'
@@ -23,7 +21,7 @@ jobs:
           platforms: all
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v3.4.0
+        uses: pypa/cibuildwheel@v3.3.0
         env:
           # configure cibuildwheel on Linux to build native archs ('auto'),
           # and to split the remaining architectures between the x86_64 and

examples/gitlab-minimal.yml

@@ -12,7 +12,7 @@ linux:
     DOCKER_TLS_CERTDIR: ""
   script:
     - curl -sSL https://get.docker.com/ | sh
-    - python -m pip install cibuildwheel==3.4.0
+    - python -m pip install cibuildwheel==3.3.0
     - cibuildwheel --output-dir wheelhouse
   artifacts:
     paths:
@@ -23,7 +23,7 @@ windows:
   before_script:
     - choco install python -y --allow-downgrade --version 3.12.4
     - choco install git.install -y
-    - py -m pip install cibuildwheel==3.4.0
+    - py -m pip install cibuildwheel==3.3.0
   script:
     - py -m cibuildwheel --output-dir wheelhouse --platform windows
   artifacts:
@@ -35,7 +35,7 @@ windows:
 macos:
   image: macos-14-xcode-15
   before_script:
-    - python3 -m pip install cibuildwheel==3.4.0
+    - python3 -m pip install cibuildwheel==3.3.0
   script:
     - python3 -m cibuildwheel --output-dir wheelhouse
   artifacts:

examples/gitlab-with-qemu.yml

@@ -14,7 +14,7 @@ linux:
     - curl -sSL https://get.docker.com/ | sh
     # Warning: This is extremely slow, be careful with how many wheels you build
     - docker run --rm --privileged multiarch/qemu-user-static --reset -p yes
-    - python -m pip install cibuildwheel==3.4.0
+    - python -m pip install cibuildwheel==3.3.0
     # Assuming your CI runner's default architecture is x86_64...
     - cibuildwheel --output-dir wheelhouse --platform linux --archs aarch64
   artifacts:

examples/travis-ci-deploy.yml

@@ -0,0 +1,36 @@
+# As written, this configuration will build your wheels on every
+# commit, but will only push to PyPI on tagged commits.
+
+os: linux
+dist: jammy
+language: python
+python: "3.12"
+
+jobs:
+  include:
+    # perform a linux build
+    - services: docker
+    # and a windows build
+    - os: windows
+      language: shell
+      before_install:
+        - choco upgrade python -y --version 3.12.4
+        - export PATH="/c/Python312:/c/Python312/Scripts:$PATH"
+        # make sure it's on PATH as 'python3'
+        - ln -s /c/Python312/python.exe /c/Python312/python3.exe
+
+install:
+  - python3 -m pip install cibuildwheel==3.3.0
+
+script:
+  # build the wheels, put them into './dist'
+  - python3 -m cibuildwheel --output-dir dist
+
+deploy:
+  provider: pypi
+  username: "__token__"
+  skip_cleanup: true
+  on:
+    tags: true
+  password:
+    secure: "" # Set to an encrypted API token. See https://docs.travis-ci.com/user/deployment/pypi/

examples/travis-ci-minimal.yml

@@ -0,0 +1,33 @@
+os: linux
+dist: jammy
+language: python
+python: "3.12"
+
+jobs:
+  include:
+    # perform a linux build
+    - services: docker
+    # perform a linux ARMv8 build
+    - services: docker
+      arch: arm64
+    # perform a linux PPC64LE build
+    - services: docker
+      arch: ppc64le
+    # perform a linux S390X build
+    - services: docker
+      arch: s390x
+    # and a windows build
+    - os: windows
+      language: shell
+      before_install:
+        - choco upgrade python -y --version 3.12.4
+        - export PATH="/c/Python312:/c/Python312/Scripts:$PATH"
+        # make sure it's on PATH as 'python3'
+        - ln -s /c/Python312/python.exe /c/Python312/python3.exe
+
+install:
+  - python3 -m pip install cibuildwheel==3.3.0
+
+script:
+  # build the wheels, put them into './wheelhouse'
+  - python3 -m cibuildwheel --output-dir wheelhouse

examples/travis-ci-test-and-deploy.yml

@@ -0,0 +1,70 @@
+# In this configuration, the package is tested against multiple versions of python
+# on Linux and on one version of Python on Windows. If and only if all tests pass
+# will the wheels be built and deployed. Further, deployment is only initiated if
+# the current branch is "main", the current commit is tagged, and the current
+# repo is yours (e.g. it won't run on a Pull Request). For convenience, a source
+# distribution is also created.
+
+os: linux
+dist: jammy
+language: python
+python: "3.12"
+
+before_install:
+  - |
+    if [[ "$TRAVIS_OS_NAME" = windows ]]; then
+        choco upgrade python -y --version 3.12.4
+        export PATH="/c/Python312:/c/Python312/Scripts:$PATH"
+        # make sure it's on PATH as 'python3'
+        ln -s /c/Python312/python.exe /c/Python312/python3.exe
+    fi
+
+install:
+  - python3 -m pip install pytest
+
+script:
+  - python3 -m pip install .
+  - pytest
+
+stages:
+  - test
+  # Only execute deployment stage on tagged commits, and from your repository
+  # (e.g. not PRs). Replace with your repo name.
+  - name: deploy
+    if: tag IS PRESENT AND repo = pypa/cibuildwheel
+    # To only build tags that look like vX.Y.Z:
+    #   if: tag =~ ^v\d+\.\d+\.\d+$ AND repo = pypa/cibuildwheel
+
+jobs:
+  include:
+    # Optional: run a test on Windows
+    - os: windows
+      language: shell
+      name: Test on Windows
+
+    # Deploy source distribution
+    - stage: deploy
+      name: Deploy source distribution
+      install: python3 -m pip install build twine
+      script: python3 -m build --sdist --formats=gztar
+      after_success: python3 -m twine upload --skip-existing dist/*.tar.gz
+    # Deploy on linux
+    - stage: deploy
+      name: Build and deploy Linux wheels
+      services: docker
+      install: python3 -m pip install cibuildwheel==3.3.0 twine
+      script: python3 -m cibuildwheel --output-dir wheelhouse
+      after_success: python3 -m twine upload --skip-existing wheelhouse/*.whl
+    # Deploy on windows
+    - stage: deploy
+      name: Build and deploy Windows wheels
+      os: windows
+      language: shell
+      install: python3 -m pip install cibuildwheel==3.3.0 twine
+      script: python3 -m cibuildwheel --output-dir wheelhouse
+      after_success: python3 -m twine upload --skip-existing wheelhouse/*.whl
+
+env:
+  global:
+    - TWINE_USERNAME=__token__
+    # Note: TWINE_PASSWORD is set to a PyPI API token in Travis settings

noxfile.py

@@ -33,8 +33,8 @@ def lint(session: nox.Session) -> None:
     """
     Run the linter.
     """
-    session.install("prek")
+    session.install("pre-commit")
-    session.run("prek", "run", "--all-files", *session.posargs)
+    session.run("pre-commit", "run", "--all-files", *session.posargs)
 
 
 @nox.session(tags=["lint"])

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "cibuildwheel"
-version = "3.4.0"
+version = "3.3.0"
 description = "Build Python wheels on CI with minimal configuration."
 readme = "README.md"
 license = "BSD-2-Clause"
@@ -19,6 +19,7 @@ keywords = [
     "macos",
     "packaging",
     "pypi",
+    "travis",
     "wheel",
     "windows",
 ]
@@ -90,7 +91,7 @@ test = [
     "pytest-timeout",
     "pytest-xdist",
     "pytest-rerunfailures!=16.0",
-    "pytest>=9",
+    "pytest>=6",
     "setuptools",
     "tomli_w",
     "validate-pyproject",
@@ -103,11 +104,11 @@ dev = [
 ]
 
 
-[tool.pytest]
+[tool.pytest.ini_options]
-minversion = "9.0"
+minversion = "6.0"
-addopts = ["-ra", "--showlocals", "--xdoctest", "--ignore-glob=*venv*"]
+addopts = ["-ra", "--showlocals", "--strict-markers", "--strict-config", "--xdoctest", "--ignore-glob=*venv*"]
-strict = true
 junit_family = "xunit2"
+xfail_strict = true
 filterwarnings = ["error"]
 log_level = "INFO"
 markers = [
@@ -116,7 +117,6 @@ markers = [
     "android: tests that run on Android",
     "pyodide: tests that run on Pyodide",
 ]
-required_plugins = ["pytest-rerunfailures"]
 
 [tool.mypy]
 python_version = "3.11"

test/conftest.py

@@ -1,5 +1,6 @@
 import json
 import os
+import shutil
 import subprocess
 from collections.abc import Generator
 
@@ -11,9 +12,7 @@ from cibuildwheel.ci import detect_ci_provider
 from cibuildwheel.options import CommandLineArguments, Options
 from cibuildwheel.selector import EnableGroup
 from cibuildwheel.typing import PLATFORMS
-from cibuildwheel.venv import find_uv
 
-from . import utils
 from .utils import DEFAULT_CIBW_ENABLE, EMULATED_ARCHS, get_platform
 
 
@@ -164,8 +163,8 @@ def build_frontend_env_nouv(request: pytest.FixtureRequest) -> dict[str, str]:
     return {"CIBW_BUILD_FRONTEND": frontend}
 
 
-@pytest.fixture(params=["pip", "build", "build[uv]", "uv"])
+@pytest.fixture(params=["pip", "build", "build[uv]"])
-def build_frontend_env(request: pytest.FixtureRequest) -> Generator[dict[str, str], None, None]:
+def build_frontend_env(request: pytest.FixtureRequest) -> dict[str, str]:
     frontend = request.param
     marks = {m.name for m in request.node.iter_markers()}
     if "android" in marks:
@@ -179,25 +178,15 @@ def build_frontend_env(request: pytest.FixtureRequest) -> Generator[dict[str, st
 
     if platform in {"pyodide", "ios", "android"} and frontend == "pip":
         pytest.skip(f"Can't use pip as build frontend for {platform}")
-    if platform == "pyodide" and frontend in {"build[uv]", "uv"}:
+    if platform == "pyodide" and frontend == "build[uv]":
         pytest.skip("Can't use uv with pyodide yet")
-    uv_path = find_uv()
+    uv_available = shutil.which("uv") is not None
-    if uv_path is None and frontend in {"build[uv]", "uv"}:
+    if not uv_available and frontend == "build[uv]":
         pytest.skip("Can't find uv, so skipping uv tests")
-    if uv_path is not None and frontend == "build" and platform not in {"android", "ios"}:
+    if uv_available and frontend == "build" and platform not in {"android", "ios"}:
         pytest.skip("No need to check build when uv is present")
 
-    # temporary workaround: uv doesn't work with graalpy yet
+    return {"CIBW_BUILD_FRONTEND": frontend}
-    uses_uv = "uv" in frontend
-    env: dict[str, str] = {"CIBW_BUILD_FRONTEND": frontend}
-    if uses_uv:
-        utils.include_graalpy_in_expected_wheels = False
-        env["CIBW_SKIP"] = "gp*"  # skip graalpy when using uv, until uv supports it
-    try:
-        yield env
-    finally:
-        if uses_uv:
-            utils.include_graalpy_in_expected_wheels = True
 
 
 @pytest.fixture

test/test_android.py

@@ -4,7 +4,7 @@ import re
 import sys
 from dataclasses import dataclass
 from pathlib import Path
-from shutil import rmtree, which
+from shutil import rmtree
 from subprocess import CalledProcessError
 from textwrap import dedent
 from zipfile import ZipFile
@@ -496,162 +496,3 @@ def test_libcxx(tmp_path, capfd):
     assert len(wheels) == 1
     for name in ZipFile(output_dir / wheels[0]).namelist():
         assert ".libs" not in name
-
-
-@needs_emulator
-def test_setuptools_rust(tmp_path, capfd):
-    """
-    Test Android cross-compilation using the setuptools-rust toolchain.
-    """
-    if not which("rustup") or not which("cargo"):
-        pytest.skip("rustup and cargo are required for this test")
-
-    # Initialize a basic project and override files for setuptools-rust
-    project = new_c_project()
-    project.files["pyproject.toml"] = dedent(
-        """\
-       [build-system]
-       requires = ["setuptools", "wheel", "setuptools-rust"]
-       """
-    )
-    project.files["setup.py"] = dedent(
-        """\
-       from setuptools import setup
-       from setuptools_rust import Binding, RustExtension
-
-       setup(
-           name="spam",
-           version="0.1.0",
-           rust_extensions=[RustExtension("spam.rust_ext", binding=Binding.PyO3)],
-           zip_safe=False,
-       )
-       """
-    )
-    project.files["Cargo.toml"] = dedent(
-        """\
-       [package]
-       name = "rust_ext"
-       version = "0.1.0"
-       edition = "2021"
-
-       [lib]
-       name = "rust_ext"
-       crate-type = ["cdylib"]
-
-       [dependencies]
-       pyo3 = { version = "0.23.3", features = ["extension-module"] }
-       """
-    )
-
-    # Create the Rust source directory and file
-    (tmp_path / "src").mkdir()
-    project.files["src/lib.rs"] = dedent(
-        """\
-       use pyo3::prelude::*;
-
-       #[pyfunction]
-       fn hello() -> PyResult<String> {
-           Ok("Hello from Rust via setuptools-rust!".to_string())
-       }
-
-       #[pymodule]
-       fn rust_ext(_py: Python, m: &Bound<'_, PyModule>) -> PyResult<()> {
-           m.add_function(wrap_pyfunction!(hello, m)?)?;
-           Ok(())
-       }
-       """
-    )
-
-    project.generate(tmp_path)
-
-    # Command to verify the built extension on the Android emulator
-    test_command = "python -c 'import spam.rust_ext; print(spam.rust_ext.hello())'"
-
-    # Run cibuildwheel to build and test the wheel
-    wheels = cibuildwheel_run(
-        tmp_path,
-        add_env={
-            **cp313_env,
-            "CIBW_TEST_COMMAND": test_command,
-            "CIBW_BUILD_VERBOSITY": "1",
-        },
-    )
-
-    # Verification
-    assert len(wheels) == 1
-    stdout = capfd.readouterr().out
-    assert "Hello from Rust via setuptools-rust!" in stdout
-
-
-@needs_emulator
-def test_maturin(tmp_path, capfd):
-    """
-    Test Android cross-compilation using the maturin backend.
-    """
-    if not which("rustup") or not which("cargo"):
-        pytest.skip("rustup and cargo are required for this test")
-
-    project = new_c_project()
-    project.files["pyproject.toml"] = dedent(
-        """\
-        [build-system]
-        # maturin >= 1.11.0 is required for reliable Android cross-compilation support.
-        requires = ["maturin>=1.11.0,<2.0"]
-        build-backend = "maturin"
-
-        [project]
-        name = "spam"
-        version = "0.1.0"
-        """
-    )
-    project.files["Cargo.toml"] = dedent(
-        """\
-        [package]
-        name = "spam"
-        version = "0.1.0"
-        edition = "2021"
-
-        [lib]
-        name = "spam"
-        crate-type = ["cdylib"]
-
-        [dependencies]
-        pyo3 = { version = "0.23.3", features = ["extension-module"] }
-        """
-    )
-
-    (tmp_path / "src").mkdir()
-    project.files["src/lib.rs"] = dedent(
-        """\
-        use pyo3::prelude::*;
-
-        #[pyfunction]
-        fn hello() -> PyResult<String> {
-            Ok("Hello from Rust via maturin!".to_string())
-        }
-
-        #[pymodule]
-        fn spam(_py: Python, m: &Bound<'_, PyModule>) -> PyResult<()> {
-            m.add_function(wrap_pyfunction!(hello, m)?)?;
-            Ok(())
-        }
-        """
-    )
-
-    project.generate(tmp_path)
-    (tmp_path / "setup.py").unlink()
-
-    test_command = "python -c 'import spam; print(spam.hello())'"
-
-    wheels = cibuildwheel_run(
-        tmp_path,
-        add_env={
-            **cp313_env,
-            "CIBW_TEST_COMMAND": test_command,
-            "CIBW_BUILD_VERBOSITY": "1",
-        },
-    )
-
-    assert len(wheels) == 1
-    stdout = capfd.readouterr().out
-    assert "Hello from Rust via maturin!" in stdout

test/test_build_frontend_args.py

@@ -2,7 +2,8 @@ import subprocess
 
 import pytest
 
-from . import test_projects, utils
+from . import utils
+from .test_projects.c import new_c_project
 
 
 @pytest.mark.parametrize(
@@ -13,7 +14,7 @@ from . import test_projects, utils
     ],
 )
 def test_build_frontend_args(tmp_path, capfd, frontend_name):
-    project = test_projects.new_c_project()
+    project = new_c_project()
     project_dir = tmp_path / "project"
     project.generate(project_dir)
 

test/test_ios.py

@@ -347,37 +347,3 @@ def test_ios_test_command_invalid(tmp_path, capfd):
         )
     _, err = capfd.readouterr()
     assert "iOS tests configured with a test command which doesn't start with 'python -m'" in err
-
-
-def test_repair_step(tmp_path):
-    """Build will succeed & the custom repair step is called."""
-    skip_if_ios_testing_not_supported()
-
-    project_dir = tmp_path / "project"
-    basic_project = test_projects.new_c_project()
-    basic_project.files.update(basic_project_files)
-    basic_project.generate(project_dir)
-
-    # Build, but don't test the wheels; we're only checking that the right
-    # warning was raised.
-    actual_wheels = utils.cibuildwheel_run(
-        project_dir,
-        add_env={
-            "CIBW_PLATFORM": "ios",
-            "CIBW_BUILD": "cp314-*",
-            "CIBW_TEST_SKIP": "*",
-            "CIBW_REPAIR_WHEEL_COMMAND": "touch .ios-repair-step && mv {wheel} {dest_dir}",
-        },
-    )
-
-    # The expected wheels were produced.
-    expected_wheels = utils.expected_wheels(
-        "spam",
-        "0.1.0",
-        platform="ios",
-        python_abi_tags=["cp314-cp314"],
-    )
-    assert set(actual_wheels) == set(expected_wheels)
-
-    # The custom repair step is called.
-    assert project_dir.joinpath(".ios-repair-step").is_file()

test/test_meson_python.py

@@ -1,29 +0,0 @@
-import packaging.utils
-
-from . import test_projects, utils
-
-meson_project = test_projects.new_meson_project()
-
-
-def test_meson_python_basic(tmp_path, build_frontend_env):
-    """Test that cibuildwheel can build a project with meson-python backend."""
-    project_dir = tmp_path / "project"
-
-    meson_project.generate(project_dir)
-
-    # build the wheels
-    actual_wheels = utils.cibuildwheel_run(
-        project_dir,
-        add_env=build_frontend_env,
-        single_python=True,
-    )
-
-    # check that the expected wheels are produced
-    # note that the meson test project doesn't support win32.
-    is_windows = utils.get_platform() == "windows"
-    expected_wheels = utils.expected_wheels(
-        "spam", "0.1.0", single_python=True, single_arch=is_windows
-    )
-    actual_wheels_normalized = {packaging.utils.parse_wheel_filename(w) for w in actual_wheels}
-    expected_wheels_normalized = {packaging.utils.parse_wheel_filename(w) for w in expected_wheels}
-    assert actual_wheels_normalized == expected_wheels_normalized

test/test_projects/__init__.py

@@ -1,5 +1,4 @@
 from .base import TestProject
-from .meson import new_meson_project
+from .c import new_c_project
-from .setuptools import new_c_project
 
-__all__ = ("TestProject", "new_c_project", "new_meson_project")
+__all__ = ("TestProject", "new_c_project")

test/test_projects/c.py

@@ -1,3 +1,7 @@
+import jinja2
+
+from .base import TestProject
+
 SPAM_C_TEMPLATE = r"""
 #include <Python.h>
 
@@ -35,3 +39,70 @@ PyMODINIT_FUNC PyInit_spam(void)
     return PyModule_Create(&moduledef);
 }
 """
+
+SETUP_PY_TEMPLATE = r"""
+import os
+import sys
+
+from setuptools import setup, Extension
+
+{{ setup_py_add }}
+
+libraries = []
+# Emscripten fails if you pass -lc...
+# See: https://github.com/emscripten-core/emscripten/issues/16680
+if sys.platform.startswith('linux') and "emscripten" not in os.environ.get("_PYTHON_HOST_PLATFORM", ""):
+    libraries.extend(['m', 'c'])
+
+
+setup(
+    ext_modules=[Extension(
+        'spam',
+        sources=['spam.c'],
+        libraries=libraries,
+        {{ setup_py_extension_args_add | indent(8) }}
+    )],
+    {{ setup_py_setup_args_add | indent(4) }}
+)
+"""
+
+SETUP_CFG_TEMPLATE = r"""
+[metadata]
+name = spam
+version = 0.1.0
+
+{{ setup_cfg_add }}
+"""
+
+
+def new_c_project(
+    *,
+    spam_c_top_level_add: str = "",
+    spam_c_function_add: str = "",
+    setup_py_add: str = "",
+    setup_py_extension_args_add: str = "",
+    setup_py_setup_args_add: str = "",
+    setup_cfg_add: str = "",
+) -> TestProject:
+    project = TestProject()
+
+    project.files.update(
+        {
+            "spam.c": jinja2.Template(SPAM_C_TEMPLATE),
+            "setup.py": jinja2.Template(SETUP_PY_TEMPLATE),
+            "setup.cfg": jinja2.Template(SETUP_CFG_TEMPLATE),
+        }
+    )
+
+    project.template_context.update(
+        {
+            "spam_c_top_level_add": spam_c_top_level_add,
+            "spam_c_function_add": spam_c_function_add,
+            "setup_py_add": setup_py_add,
+            "setup_py_extension_args_add": setup_py_extension_args_add,
+            "setup_py_setup_args_add": setup_py_setup_args_add,
+            "setup_cfg_add": setup_cfg_add,
+        }
+    )
+
+    return project

test/test_projects/meson.py

@@ -1,60 +0,0 @@
-import jinja2
-
-from .base import TestProject
-from .c import SPAM_C_TEMPLATE
-
-PYPROJECT_TOML_TEMPLATE = r"""
-[build-system]
-requires = ["meson-python"]
-build-backend = "mesonpy"
-
-[project]
-name = "spam"
-version = "0.1.0"
-
-[tool.cibuildwheel.windows]
-config-settings = { "setup-args" = "--vsenv" }
-# building win32 wheels on a 64-bit CI machine with meson-python
-# requires a few extra steps outside cibuildwheel. See
-# https://github.com/pypa/cibuildwheel/pull/2718
-archs = ["auto64"]
-"""
-
-MESON_BUILD_TEMPLATE = r"""
-project('spam', 'c',
-  version: '0.1.0',
-  default_options: ['warning_level=2'],
-)
-
-py = import('python').find_installation(pure: false)
-
-py.extension_module('spam',
-  'spam.c',
-  install: true,
-)
-"""
-
-
-def new_meson_project(
-    *,
-    spam_c_top_level_add: str = "",
-    spam_c_function_add: str = "",
-) -> TestProject:
-    project = TestProject()
-
-    project.files.update(
-        {
-            "spam.c": jinja2.Template(SPAM_C_TEMPLATE),
-            "pyproject.toml": jinja2.Template(PYPROJECT_TOML_TEMPLATE),
-            "meson.build": jinja2.Template(MESON_BUILD_TEMPLATE),
-        }
-    )
-
-    project.template_context.update(
-        {
-            "spam_c_top_level_add": spam_c_top_level_add,
-            "spam_c_function_add": spam_c_function_add,
-        }
-    )
-
-    return project

test/test_projects/setuptools.py

@@ -1,71 +0,0 @@
-import jinja2
-
-from .base import TestProject
-from .c import SPAM_C_TEMPLATE
-
-SETUP_PY_TEMPLATE = r"""
-import os
-import sys
-
-from setuptools import setup, Extension
-
-{{ setup_py_add }}
-
-libraries = []
-# Emscripten fails if you pass -lc...
-# See: https://github.com/emscripten-core/emscripten/issues/16680
-if sys.platform.startswith('linux') and "emscripten" not in os.environ.get("_PYTHON_HOST_PLATFORM", ""):
-    libraries.extend(['m', 'c'])
-
-
-setup(
-    ext_modules=[Extension(
-        'spam',
-        sources=['spam.c'],
-        libraries=libraries,
-        {{ setup_py_extension_args_add | indent(8) }}
-    )],
-    {{ setup_py_setup_args_add | indent(4) }}
-)
-"""
-
-SETUP_CFG_TEMPLATE = r"""
-[metadata]
-name = spam
-version = 0.1.0
-
-{{ setup_cfg_add }}
-"""
-
-
-def new_c_project(
-    *,
-    spam_c_top_level_add: str = "",
-    spam_c_function_add: str = "",
-    setup_py_add: str = "",
-    setup_py_extension_args_add: str = "",
-    setup_py_setup_args_add: str = "",
-    setup_cfg_add: str = "",
-) -> TestProject:
-    project = TestProject()
-
-    project.files.update(
-        {
-            "spam.c": jinja2.Template(SPAM_C_TEMPLATE),
-            "setup.py": jinja2.Template(SETUP_PY_TEMPLATE),
-            "setup.cfg": jinja2.Template(SETUP_CFG_TEMPLATE),
-        }
-    )
-
-    project.template_context.update(
-        {
-            "spam_c_top_level_add": spam_c_top_level_add,
-            "spam_c_function_add": spam_c_function_add,
-            "setup_py_add": setup_py_add,
-            "setup_py_extension_args_add": setup_py_extension_args_add,
-            "setup_py_setup_args_add": setup_py_setup_args_add,
-            "setup_cfg_add": setup_cfg_add,
-        }
-    )
-
-    return project

test/test_pyodide.py

@@ -99,7 +99,7 @@ def test_pyodide_version_incompatible(tmp_path, capfd):
             tmp_path,
             add_args=["--platform", "pyodide"],
             add_env={
-                "CIBW_DEPENDENCY_VERSIONS": "packages: pyodide-build==0.31.2",
+                "CIBW_DEPENDENCY_VERSIONS": "packages: pyodide-build==0.29.3",
                 "CIBW_PYODIDE_VERSION": "0.26.0a6",
             },
         )
@@ -146,29 +146,6 @@ def test_pyodide_build_and_test(tmp_path, expect_failure):
             "spam-0.1.0-cp312-cp312-pyodide_2024_0_wasm32.whl",
             "spam-0.1.0-cp313-cp313-pyodide_2025_0_wasm32.whl",
         ]
-        assert set(actual_wheels) == set(expected_wheels)
+        print("actual_wheels", actual_wheels)
-
+        print("expected_wheels", expected_wheels)
-
-def test_pyodide_repair_wheel(tmp_path):
-    if sys.platform == "win32":
-        pytest.skip("pyodide-build doesn't work correctly on Windows")
-
-    project_dir = tmp_path / "project"
-    basic_project.generate(project_dir)
-
-    actual_wheels = utils.cibuildwheel_run(
-        project_dir,
-        add_args=["--platform", "pyodide"],
-        add_env={
-            "CIBW_REPAIR_WHEEL_COMMAND_PYODIDE": (
-                "pyodide auditwheel repair --libdir /path/to/libraries --output-dir {dest_dir} {wheel}"
-            ),
-        },
-        single_python=True,
-    )
-
-    # check that the expected wheels are produced
-    expected_wheels = [
-        "spam-0.1.0-cp312-cp312-pyodide_2024_0_wasm32.whl",
-    ]
         assert set(actual_wheels) == set(expected_wheels)

test/test_ssl.py

@@ -1,3 +1,4 @@
+import socket
 import textwrap
 
 import pytest
@@ -7,25 +8,14 @@ from . import test_projects, utils
 project_with_ssl_tests = test_projects.new_c_project(
     setup_py_add=textwrap.dedent(
         r"""
-            import ssl, time, urllib.request, urllib.error
+        import ssl
 
-            def check_https(context=None):
+        from urllib.request import urlopen
-                # google hosts this endpoint that returns a 204 No Content, it's used for
-                # connectivity checks in Android & Chrome
-                url = "https://google.com/generate_204"
 
-                for i in range(5):
+        context = ssl.SSLContext(ssl.PROTOCOL_TLSv1_2)
-                    try:
+        # badssl.com is a HTTPS test server that can be used to test SSL connections
-                        urllib.request.urlopen(url, context=context, timeout=5)
+        data = urlopen("https://tls-v1-2.badssl.com", context=context)
-                        return
+        data = urlopen("https://tls-v1-2.badssl.com")
-                    except (OSError, urllib.error.URLError) as e:
-                        print(f"Attempt {i+1}: Could not connect to {url}: {e}")
-                        time.sleep(2 ** i)  # Backoff: 1s, 2s, 4s, 8s...
-
-                raise ConnectionError(f"Could not connect to {url} after retries.")
-
-            check_https()
-            check_https(context=ssl.SSLContext(ssl.PROTOCOL_TLSv1_2))
         """
     )
 )
@@ -38,6 +28,9 @@ def test(tmp_path):
     project_dir = tmp_path / "project"
     project_with_ssl_tests.generate(project_dir)
 
+    # warm up connection
+    socket.getaddrinfo("tls-v1-2.badssl.com", 443)
+
     actual_wheels = utils.cibuildwheel_run(project_dir)
 
     expected_wheels = utils.expected_wheels("spam", "0.1.0")

test/utils.py

@@ -28,10 +28,6 @@ GRAALPY_ARCHS = ["x86_64", "AMD64", "aarch64", "arm64"]
 
 SINGLE_PYTHON_VERSION: Final[tuple[int, int]] = (3, 12)
 
-# temporary workaround: set by build_frontend_env fixture to skip graalpy
-# when uv is the build frontend (compatibility issue between graalpy and uv)
-include_graalpy_in_expected_wheels: bool = True
-
 _AARCH64_CAN_RUN_ARMV7: Final[bool] = Architecture.aarch64.value not in EMULATED_ARCHS and {
     None: Architecture.armv7l.value not in EMULATED_ARCHS,
     CIProvider.travis_ci: False,
@@ -309,7 +305,7 @@ def _expected_wheels(
                 "pp311-pypy311_pp73",
             ]
 
-        if EnableGroup.GraalPy in enable_groups and include_graalpy_in_expected_wheels:
+        if EnableGroup.GraalPy in enable_groups:
             python_abi_tags += [
                 "graalpy311-graalpy242_311_native",
                 "graalpy312-graalpy250_312_native",

unit_test/main_tests/main_options_test.py

@@ -1,3 +1,4 @@
+import os
 import sys
 import tomllib
 from fnmatch import fnmatch
@@ -141,6 +142,70 @@ def test_empty_selector(monkeypatch):
     assert e.value.code == 3
 
 
+@pytest.mark.usefixtures("platform", "intercepted_build_args")
+def test_riscv64_warning1(monkeypatch, capsys):
+    monkeypatch.setenv("CIBW_ENABLE", "cpython-experimental-riscv64")
+
+    main()
+
+    _, err = capsys.readouterr()
+    print(err)
+    assert "'cpython-experimental-riscv64' enable is deprecated" in err
+
+
+@pytest.mark.usefixtures("platform", "intercepted_build_args")
+def test_riscv64_warning2(monkeypatch, capsys, tmp_path):
+    local_path = tmp_path / "tmp_project"
+    os.mkdir(local_path)  # noqa:PTH102 Path.mkdir has been monkeypatched already
+    local_path.joinpath("setup.py").touch()
+
+    monkeypatch.setattr(
+        sys, "argv", ["cibuildwheel", "--only", "cp313-manylinux_riscv64", str(local_path)]
+    )
+    monkeypatch.setenv("CIBW_ENABLE", "cpython-experimental-riscv64")
+
+    main()
+
+    _, err = capsys.readouterr()
+    print(err)
+    assert "'cpython-experimental-riscv64' enable is deprecated" in err
+
+
+@pytest.mark.usefixtures("platform", "intercepted_build_args")
+def test_riscv64_no_warning(monkeypatch, capsys, tmp_path):
+    local_path = tmp_path / "tmp_project"
+    os.mkdir(local_path)  # noqa:PTH102 Path.mkdir has been monkeypatched already
+    local_path.joinpath("setup.py").touch()
+
+    monkeypatch.setattr(
+        sys, "argv", ["cibuildwheel", "--only", "cp313-manylinux_riscv64", str(local_path)]
+    )
+
+    main()
+
+    _, err = capsys.readouterr()
+    print(err)
+    assert "'cpython-experimental-riscv64' enable is deprecated" not in err
+
+
+@pytest.mark.usefixtures("platform", "intercepted_build_args")
+def test_riscv64_no_warning2(monkeypatch, capsys, tmp_path):
+    local_path = tmp_path / "tmp_project"
+    os.mkdir(local_path)  # noqa:PTH102 Path.mkdir has been monkeypatched already
+    local_path.joinpath("setup.py").touch()
+
+    monkeypatch.setattr(
+        sys, "argv", ["cibuildwheel", "--only", "cp313-manylinux_riscv64", str(local_path)]
+    )
+    monkeypatch.setenv("CIBW_ENABLE", "all")
+
+    main()
+
+    _, err = capsys.readouterr()
+    print(err)
+    assert "'cpython-experimental-riscv64' enable is deprecated" not in err
+
+
 @pytest.mark.parametrize(
     ("architecture", "image", "full_image"),
     [

unit_test/options_test.py

@@ -328,11 +328,6 @@ def test_environment_pass_references():
             "build",
             [],
         ),
-        (
-            'build-frontend = "uv"',
-            "uv",
-            [],
-        ),
         (
             'build-frontend = {name = "build"}',
             "build",
@@ -594,15 +589,11 @@ def test_deprecated_image(
         ("pip", 3, ["-Ca", "-Cb", "-1", "-vvv"]),
         ("pip", 2, ["-Ca", "-Cb", "-1", "-vv"]),
         ("pip", -1, ["-Ca", "-Cb", "-1", "-q"]),
-        ("uv", -1, ["-Ca", "-Cb", "-1", "-q"]),
-        ("build", -1, ["-Ca", "-Cb", "-1", "-q"]),
-        ("build[uv]", -1, ["-Ca", "-Cb", "-1", "-q"]),
         ("build", 0, ["-Ca", "-Cb", "-1"]),
         ("build", 1, ["-Ca", "-Cb", "-1"]),
         ("build", 2, ["-Ca", "-Cb", "-1", "-v"]),
         ("build", 3, ["-Ca", "-Cb", "-1", "-vv"]),
         ("build[uv]", 3, ["-Ca", "-Cb", "-1", "-vv"]),
-        ("uv", 3, ["-Ca", "-Cb", "-1", "-vv"]),
     ],
 )
 def test_get_build_frontend_extra_flags(
@@ -615,7 +606,7 @@ def test_get_build_frontend_extra_flags(
     monkeypatch.setattr(Logger, "warning", mock_warning)
     build_frontend = BuildFrontendConfig(frontend, ["-1"])
     args = get_build_frontend_extra_flags(
-        build_frontend=build_frontend, verbosity_level=verbosity, config_settings="a b", py38=False
+        build_frontend=build_frontend, verbosity_level=verbosity, config_settings="a b"
     )
 
     assert args == result
@@ -630,7 +621,7 @@ def test_get_build_frontend_extra_flags_warning(
     monkeypatch.setattr(Logger, "warning", mock_warning)
     build_frontend = BuildFrontendConfig(frontend, ["-1"])
     args = get_build_frontend_extra_flags(
-        build_frontend=build_frontend, verbosity_level=-1, config_settings="a b", py38=True
+        build_frontend=build_frontend, verbosity_level=-1, config_settings="a b"
     )
     assert args == ["-Ca", "-Cb", "-1"]
     mock_warning.assert_called_once()