Build PEP 783 pyodide wheels

These can be deployed to PyPI

Still experimental

Drop end-of-life PyPy versions, switch to PyPy 3.11 version

Author: HexDecimal

.github/workflows/python-package.yml

@@ -246,7 +246,7 @@ jobs:
     strategy:
       matrix:
         arch: ["x86_64", "aarch64"]
-        build: ["cp310-manylinux*", "pp310-manylinux*", "cp314t-manylinux*"]
+        build: ["cp310-manylinux*", "pp311-manylinux*", "cp314t-manylinux*"]
     env:
       BUILD_DESC: ""
     steps:
@@ -257,7 +257,7 @@ jobs:
       - name: Checkout submodules
         run: git submodule update --init --recursive --depth 1
       - name: Build wheels
-        uses: pypa/cibuildwheel@v3.1.4
+        uses: pypa/cibuildwheel@v4.0.0rc1
         env:
           CIBW_BUILD: ${{ matrix.build }}
           CIBW_ARCHS_LINUX: ${{ matrix.arch }}
@@ -304,7 +304,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        python: ["cp310-*_universal2", "cp314t-*_universal2", "pp310-*"]
+        python: ["cp310-*_universal2", "cp314t-*_universal2", "pp311-*"]
     env:
       PYTHON_DESC: ""
     steps:
@@ -323,7 +323,7 @@ jobs:
         # Downloads SDL for the later step.
         run: python build_sdl.py
       - name: Build wheels
-        uses: pypa/cibuildwheel@v3.1.4
+        uses: pypa/cibuildwheel@v4.0.0rc1
         env:
           CIBW_BUILD: ${{ matrix.python }}
           CIBW_ARCHS_MACOS: x86_64 arm64 universal2
@@ -362,14 +362,14 @@ jobs:
           install-linux-dependencies: true
           build-type: "Debug"
           version: "3.2.4" # Should be equal or less than the version used by Emscripten
-      - uses: pypa/cibuildwheel@v3.1.4
+      - uses: pypa/cibuildwheel@v4.0.0rc1
         env:
           CIBW_BUILD: cp313-pyodide_wasm32
           CIBW_PLATFORM: pyodide
       - name: Archive wheel
         uses: actions/upload-artifact@v7
         with:
-          name: pyodide
+          name: wheels-pyodide
           path: wheelhouse/*.whl
           retention-days: 30
           compression-level: 0

CHANGELOG.md

@@ -6,6 +6,11 @@ This project adheres to [Semantic Versioning](https://semver.org/) since version
 
 ## [Unreleased]
 
+### Deployment
+
+- PyPy wheels switched from PyPy 3.10 to PyPy 3.11.
+- Experimental Pyodide wheels are now uploaded to PyPI.
+
 ## [21.2.0] - 2026-04-04
 
 ### Added