@@ -134,6 +134,27 @@ jobs:
134134name :cibw-sdist
135135path :dist/
136136
137+ -name :Build wheels for CPython 3.13
138+ uses :pypa/cibuildwheel@7e5a838a63ac8128d71ab2dfd99e4634dd1bca09 # v2.19.2
139+ with :
140+ package-dir :dist/${{ needs.build_sdist.outputs.SDIST_NAME }}
141+ env :
142+ CIBW_BUILD :" cp313-* cp313t-*"
143+ # No free-threading wheels for NumPy; musllinux skipped for main builds also.
144+ CIBW_SKIP :" cp313t-win_amd64 *-musllinux_aarch64"
145+ CIBW_BUILD_FRONTEND :
146+ " pip; args: --pre --extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple"
147+ CIBW_PRERELEASE_PYTHONS :true
148+ CIBW_FREE_THREADED_SUPPORT :true
149+ # No free-threading wheels available for aarch64 on Pillow.
150+ CIBW_TEST_SKIP :" cp313t-manylinux_aarch64"
151+ # We need pre-releases to get the nightly wheels.
152+ CIBW_BEFORE_TEST :>-
153+ pip install --pre
154+ --extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple
155+ contourpy numpy pillow
156+ CIBW_ARCHS :${{ matrix.cibw_archs }}
157+
137158 -name :Build wheels for CPython 3.12
138159uses :pypa/cibuildwheel@7e5a838a63ac8128d71ab2dfd99e4634dd1bca09 # v2.19.2
139160with :