fix(ci): name wheel artifacts by platform tag, not runner label

.github/workflows/publish_wheels.yml

@@ -76,10 +76,15 @@ jobs:
           package-dir: .
           output-dir: wheelhouse
 
+      # Name the artifact after the platform tag, not the runner label. Several
+      # rows share a runner (manylinux and musllinux both build on ubuntu-24.04),
+      # so keying on the label makes their artifacts collide. The upload still
+      # succeeds, but `download-artifact` with merge-multiple then extracts them
+      # over each other and the publish job silently ships one platform short.
       - name: Upload wheel artifact
         uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4.6.0
         with:
-          name: dist-wheel-${{ matrix.python }}-${{ matrix.target[0] }}
+          name: dist-wheel-${{ matrix.python }}-${{ matrix.target[1] }}
           path: ./wheelhouse/*.whl
 
   build_sdist:

RELEASING.md

@@ -2,7 +2,8 @@
 
 Releases are built and published by the **Build and Publish** workflow
 ([`.github/workflows/publish_wheels.yml`](.github/workflows/publish_wheels.yml)).
-It produces 12 wheels — Python 3.11–3.14 for Linux, macOS (arm64) and Windows —
+It produces 16 wheels — Python 3.11–3.14 for Linux (glibc and musl), macOS (arm64)
+and Windows —
 plus a source distribution, and uploads them in a single step so a partial
 failure cannot leave a half-published release on the index.
 
@@ -65,7 +66,7 @@ for approval; the build jobs run first regardless.
 pip index versions tenseal
 ```
 
-Or check [the project page](https://pypi.org/project/tenseal/) for 12 wheels and
+Or check [the project page](https://pypi.org/project/tenseal/) for 16 wheels and
 one `.tar.gz`. Update [`CHANGELOG.md`](CHANGELOG.md) if it was not part of the
 version bump.