Build wheel config updates for upcoming release

* Remove Python 3.8 from builds
* Update nanobind and drjit version dependencies
* Bumped GHA upload/download artifact to v4

.github/workflows/wheels.yml

@@ -12,11 +12,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04, windows-latest, macos-13, macos-14]
-        python: [cp38, cp39, cp310, cp311, cp312, cp312_stable, cp313]
-        exclude:
-          # The first Python version to target Apple arm64 architectures is 3.9
-          - os: macos-14
-            python: cp38
+        python: [cp39, cp310, cp311, cp312, cp312_stable, cp313]
       fail-fast: false
 
     name: >
@@ -92,9 +88,9 @@ jobs:
         run: |
           python -m cibuildwheel --output-dir wheelhouse
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
-          name: wheels
+          name: wheels-${{ matrix.os }}-${{ matrix.python }}
           path: ./wheelhouse/*.whl
 
   upload_pypi:
@@ -107,9 +103,10 @@ jobs:
       #########################
       # Fetch and upload wheels
       #########################
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
-          name: wheels
+          pattern: wheels-*
+          merge-multiple: true
           path: dist
 
       - uses: pypa/[email protected]

pyproject.toml

@@ -1,8 +1,8 @@
 [build-system]
 requires = [
     "scikit-build-core",
-    "nanobind==2.2.0",
-    "drjit==1.0.4",
+    "nanobind==2.5.0",
+    "drjit==1.0.5",
     "typing_extensions>=4.12",
     "hatch-fancy-pypi-readme",
 ]
@@ -16,9 +16,9 @@ description = "Mitsuba 3: A Retargetable Forward and Inverse Renderer"
 readme = "README.md"
 dependencies = [
   "typing_extensions>=4.12;python_version<\"3.11\"",
-  "drjit==1.0.4",
+  "drjit==1.0.5",
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 authors = [
     { name = "Wenzel Jakob", email = "[email protected]" }
 ]
@@ -51,7 +51,7 @@ logging.level = "INFO"
 # Necessary to see build output from the actual compilation
 build-verbosity = 1
 
-build = ["cp38-*", "cp39-*", "cp310-*", "cp311-*", "cp312-*", "cp313-*"]
+build = ["cp39-*", "cp310-*", "cp311-*", "cp312-*", "cp313-*"]
 archs = ["auto64"]
 skip = "*-musllinux* pp*"