🔥 remove Quansight-Labs/setup-python@v5

it was used as a workaround until actions/setup-python integrate the freethreaded build natively

Author: Ousret

.github/workflows/CI.yml

@@ -429,11 +429,10 @@ jobs:
             python_version: pypy-3.10
           - target: x86
             python_version: pypy-3.11
-          - target: x86
-            python_version: 3.13t
     steps:
       - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
       - uses: actions/setup-python@v5
+        if: matrix.target != 'aarch64'
         with:
           python-version: ${{ matrix.python_version }}
           architecture: ${{ matrix.target == 'x86' && 'x86' || 'x64' }}
@@ -443,26 +442,25 @@ jobs:
       - name: Add Ninja (aarch64 build requirement)
         if: matrix.target == 'aarch64'
         run: choco install ninja -y
-      - name: Build wheels (workaround 3.13t arm64)
-        if: matrix.python_version == '3.13t' && matrix.target == 'aarch64'
+      - name: Build wheels
         uses: PyO3/maturin-action@v1
+        if: matrix.target != 'aarch64'
         env:
           XWIN_VERSION: 16  # fix for "no cab file specified by MSI" ...?
           UNSAFE_PYO3_SKIP_VERSION_CHECK: 1
-          PYO3_CROSS: 1
         with:
           target: ${{ matrix.target }}
-          args: --release --out dist -i 3.13t
+          args: --release --out dist -i ${{ matrix.python_version }}
           sccache: 'true'
-      - name: Build wheels (normal)
-        if: matrix.python_version != '3.13t' || matrix.target == 'x64'
+      - name: Build wheels (force CROSS aarch64)
         uses: PyO3/maturin-action@v1
+        if: matrix.target == 'aarch64'
         env:
           XWIN_VERSION: 16  # fix for "no cab file specified by MSI" ...?
-          UNSAFE_PYO3_SKIP_VERSION_CHECK: 1
+          PYO3_CROSS: 1
         with:
           target: ${{ matrix.target }}
-          args: --release --out dist
+          args: --release --out dist -i 3.13t
           sccache: 'true'
       - name: Upload wheels
         uses: actions/upload-artifact@4cec3d8aa04e39d1a68397de0c4cd6fb9dce8ec1

CHANGELOG.rst

@@ -1,8 +1,8 @@
-1.4.3 (2025-04-04)
+1.4.3 (2025-04-07)
 ====================
 
 **Changed**
-- ls-qpack updated to v2.6.1
+- ls-qpack updated to v2.6.1 with a fix for big endian architectures (e.g. s390x).
 - no longer using git fork to build qh3 with ls-qpack
 - Upgraded aws-lc-rs to 1.13.0
 - Upgraded pyo3 to 0.24.1