Merge branch 'main' into pathfinder_in_build-system_requires

Author: rwgk

.github/workflows/pr-metadata-check.yml

@@ -2,27 +2,30 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-name: "CI: Enforce label/milestone on PRs"
+name: "CI: Enforce assignee/label/milestone on PRs"
 
 on:
   pull_request_target:
     types:
       - opened
       - edited
       - synchronize
+      - assigned
+      - unassigned
       - labeled
       - unlabeled
       - reopened
       - ready_for_review
 
 jobs:
   check-metadata:
-    name: PR has labels and milestone
+    name: PR has assignee, labels, and milestone
     if: github.repository_owner == 'NVIDIA'
     runs-on: ubuntu-latest
     steps:
-      - name: Check for labels and milestone
+      - name: Check for assignee, labels, and milestone
         env:
+          ASSIGNEES: ${{ toJson(github.event.pull_request.assignees) }}
           LABELS: ${{ toJson(github.event.pull_request.labels) }}
           MILESTONE: ${{ github.event.pull_request.milestone && github.event.pull_request.milestone.title || '' }}
           PR_URL: ${{ github.event.pull_request.html_url }}
@@ -34,11 +37,16 @@ jobs:
             exit 0
           fi
 
-          LABEL_NAMES=$(echo "$LABELS" | jq -r '.[].name')
           ERRORS=""
 
+          ASSIGNEE_COUNT=$(echo "$ASSIGNEES" | jq 'length')
+          if [ "$ASSIGNEE_COUNT" -eq 0 ]; then
+            ERRORS="${ERRORS}- **Missing assignee**: assign at least one person to this PR.\n"
+          fi
+
           # Module labels identify which package the PR touches.
           # Cross-cutting labels exempt PRs from needing a module label.
+          LABEL_NAMES=$(echo "$LABELS" | jq -r '.[].name')
           MODULE_LABELS="cuda.bindings cuda.core cuda.pathfinder"
           MODULE_EXEMPT_LABELS="CI/CD"
           HAS_MODULE=false
@@ -98,10 +106,12 @@ jobs:
             exit 1
           fi
 
+          ASSIGNEE_LIST=$(echo "$ASSIGNEES" | jq -r '.[].login' | paste -sd ', ' -)
           LABEL_LIST=$(echo "$LABEL_NAMES" | paste -sd ', ' -)
           {
             echo "## PR Metadata Check Passed"
             echo ""
+            echo "- **Assignees**: $ASSIGNEE_LIST"
             echo "- **Labels**: $LABEL_LIST"
             echo "- **Milestone**: $MILESTONE"
           } >> "$GITHUB_STEP_SUMMARY"

.github/workflows/test-wheel-linux.yml

@@ -100,8 +100,8 @@ jobs:
         uses: ./.github/actions/install_unix_deps
         continue-on-error: false
         with:
-          # for artifact fetching, graphics libs
-          dependencies: "jq wget libgl1 libegl1"
+          # for artifact fetching, graphics libs, g++ required for cffi in example
+          dependencies: "jq wget libgl1 libegl1 g++"
           dependent_exes: "jq wget"
 
       - name: Set environment variables

.github/workflows/test-wheel-windows.yml

@@ -208,6 +208,15 @@ jobs:
         with:
           python-version: ${{ matrix.PY_VER }}
 
+      - name: Verify LongPathsEnabled
+        run: |
+          $val = (Get-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem' -Name 'LongPathsEnabled').LongPathsEnabled
+          echo "LongPathsEnabled = $val"
+          if ($val -ne 1) {
+            echo "::error::LongPathsEnabled is not set to 1 (see issue #1820)"
+            exit 1
+          }
+
       - name: Set up mini CTK
         if: ${{ matrix.LOCAL_CTK == '1' }}
         uses: ./.github/actions/fetch_ctk
@@ -263,7 +272,6 @@ jobs:
           }
 
       - name: Install cuda.pathfinder extra wheels for testing
-        if: ${{ !endsWith(matrix.PY_VER, 't') }} # see issue #1820
         shell: bash --noprofile --norc -xeuo pipefail {0}
         run: |
           pushd cuda_pathfinder
@@ -272,7 +280,6 @@ jobs:
           popd
 
       - name: Run cuda.pathfinder tests with all_must_work
-        if: ${{ !endsWith(matrix.PY_VER, 't') }} # see issue #1820
         env:
           CUDA_PATHFINDER_TEST_LOAD_NVIDIA_DYNAMIC_LIB_STRICTNESS: all_must_work
           CUDA_PATHFINDER_TEST_FIND_NVIDIA_HEADERS_STRICTNESS: all_must_work

cuda_bindings/cuda/bindings/_bindings/cydriver.pxd.in

@@ -1,7 +1,7 @@
 # SPDX-FileCopyrightText: Copyright (c) 2021-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
 
-# This code was automatically generated with version 13.2.0, generator version 8797618. Do not modify it directly.
+# This code was automatically generated with version 13.2.0, generator version 0.3.1.dev1422+gf4812259e.d20260318. Do not modify it directly.
 from cuda.bindings.cydriver cimport *
 
 {{if 'cuGetErrorString' in found_functions}}

cuda_bindings/cuda/bindings/_bindings/cydriver.pyx.in

@@ -1,7 +1,7 @@
 # SPDX-FileCopyrightText: Copyright (c) 2021-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
 
-# This code was automatically generated with version 13.2.0, generator version 8797618. Do not modify it directly.
+# This code was automatically generated with version 13.2.0, generator version 0.3.1.dev1422+gf4812259e.d20260318. Do not modify it directly.
 {{if 'Windows' == platform.system()}}
 import os
 cimport cuda.bindings._lib.windll as windll

cuda_bindings/cuda/bindings/_bindings/cynvrtc.pxd.in

@@ -1,7 +1,7 @@
 # SPDX-FileCopyrightText: Copyright (c) 2021-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
 
-# This code was automatically generated with version 13.2.0, generator version 8797618. Do not modify it directly.
+# This code was automatically generated with version 13.2.0, generator version 0.3.1.dev1422+gf4812259e.d20260318. Do not modify it directly.
 from cuda.bindings.cynvrtc cimport *
 
 {{if 'nvrtcGetErrorString' in found_functions}}

cuda_bindings/cuda/bindings/_bindings/cynvrtc.pyx.in

@@ -1,7 +1,7 @@
 # SPDX-FileCopyrightText: Copyright (c) 2021-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
 
-# This code was automatically generated with version 13.2.0, generator version 8797618. Do not modify it directly.
+# This code was automatically generated with version 13.2.0, generator version 0.3.1.dev1422+gf4812259e.d20260318. Do not modify it directly.
 {{if 'Windows' == platform.system()}}
 import os
 cimport cuda.bindings._lib.windll as windll

cuda_bindings/cuda/bindings/_bindings/cyruntime.pxd.in

@@ -1,7 +1,7 @@
 # SPDX-FileCopyrightText: Copyright (c) 2021-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
 
-# This code was automatically generated with version 13.2.0, generator version 8797618. Do not modify it directly.
+# This code was automatically generated with version 13.2.0, generator version 0.3.1.dev1422+gf4812259e.d20260318. Do not modify it directly.
 include "../cyruntime_types.pxi"
 
 include "../_lib/cyruntime/cyruntime.pxd"

cuda_bindings/cuda/bindings/_bindings/cyruntime.pyx.in

@@ -1,7 +1,7 @@
 # SPDX-FileCopyrightText: Copyright (c) 2021-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
 
-# This code was automatically generated with version 13.2.0, generator version 8797618. Do not modify it directly.
+# This code was automatically generated with version 13.2.0, generator version 0.3.1.dev1422+gf4812259e.d20260318. Do not modify it directly.
 include "../cyruntime_functions.pxi"
 
 import os

cuda_bindings/cuda/bindings/_bindings/cyruntime_ptds.pxd.in

@@ -1,7 +1,7 @@
 # SPDX-FileCopyrightText: Copyright (c) 2021-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 # SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
 
-# This code was automatically generated with version 13.2.0, generator version 8797618. Do not modify it directly.
+# This code was automatically generated with version 13.2.0, generator version 0.3.1.dev1422+gf4812259e.d20260318. Do not modify it directly.
 cdef extern from "":
     """
     #define CUDA_API_PER_THREAD_DEFAULT_STREAM