remove py314t in workflows (#110)

Remove the 3.14 freethreading build

Author: evertlammerts

.github/workflows/packaging_wheels.yml

@@ -30,7 +30,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: [ cp39, cp310, cp311, cp312, cp313, cp314, cp314t ]
+        python: [ cp39, cp310, cp311, cp312, cp313, cp314 ]
         platform:
           - { os: windows-2025,     arch: amd64,      cibw_system: win }
           - { os: ubuntu-24.04,     arch: x86_64,     cibw_system: manylinux }
@@ -45,10 +45,6 @@ jobs:
           - { minimal: true, python: cp311 }
           - { minimal: true, python: cp312 }
           - { minimal: true, platform: { arch: universal2 } }
-          # Windows+cp314t disabled due to test failures in CI. 
-          # TODO: Diagnose why tests fail (access violations) in some configurations
-          - { python: cp314t, platform: { os: windows-2025 } }  
-
     runs-on: ${{ matrix.platform.os }}
     env:
       CIBW_TEST_SKIP: ${{ inputs.testsuite == 'none' && '*' || '*-macosx_universal2' }}
@@ -94,9 +90,7 @@ jobs:
         env:
           CIBW_ARCHS: ${{ matrix.platform.arch == 'amd64' && 'AMD64' || matrix.platform.arch }}
           CIBW_BUILD: ${{ matrix.python }}-${{ matrix.platform.cibw_system }}_${{ matrix.platform.arch }}
-          # PYTHON_GIL=1: Suppresses the RuntimeWarning that the GIL is enabled on free-threaded builds. 
-          # TODO: Remove PYTHON_GIL=1 when free-threaded is supported. 
-          CIBW_ENVIRONMENT: PYTHON_GIL=1
+
       - name: Upload wheel
         uses: actions/upload-artifact@v4
         with:

pyproject.toml

@@ -442,7 +442,7 @@ manylinux-x86_64-image = "manylinux_2_28"
 manylinux-pypy_x86_64-image = "manylinux_2_28"
 manylinux-aarch64-image = "manylinux_2_28"
 manylinux-pypy_aarch64-image = "manylinux_2_28"
-enable = ["cpython-freethreading", "cpython-prerelease"]
+enable = ["cpython-prerelease"]
 
 [tool.cibuildwheel.linux]
 before-build = ["yum install -y ccache"]