Merge branch-0.46 to main [skip ci]

.github/workflows/build.yaml

@@ -34,7 +34,7 @@ concurrency:
 jobs:
   conda-python-build:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-python-build.yaml@branch-25.08
+    uses: rapidsai/shared-workflows/.github/workflows/conda-python-build.yaml@branch-25.10
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -44,15 +44,15 @@ jobs:
   upload-conda:
     needs: [conda-python-build]
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-upload-packages.yaml@branch-25.08
+    uses: rapidsai/shared-workflows/.github/workflows/conda-upload-packages.yaml@branch-25.10
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
       date: ${{ inputs.date }}
       sha: ${{ inputs.sha }}
   wheel-build:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@branch-25.08
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@branch-25.10
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}
@@ -64,7 +64,7 @@ jobs:
   wheel-publish:
     needs: wheel-build
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-publish.yaml@branch-25.08
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-publish.yaml@branch-25.10
     with:
       build_type: ${{ inputs.build_type || 'branch' }}
       branch: ${{ inputs.branch }}

.github/workflows/pr.yaml

@@ -16,7 +16,7 @@ jobs:
       - wheel-tests
       - telemetry-setup
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/pr-builder.yaml@branch-25.08
+    uses: rapidsai/shared-workflows/.github/workflows/pr-builder.yaml@branch-25.10
     with:
       needs: ${{ toJSON(needs) }}
   telemetry-setup:
@@ -33,28 +33,28 @@ jobs:
   checks:
     secrets: inherit
     needs: telemetry-setup
-    uses: rapidsai/shared-workflows/.github/workflows/checks.yaml@branch-25.08
+    uses: rapidsai/shared-workflows/.github/workflows/checks.yaml@branch-25.10
     with:
       ignored_pr_jobs: telemetry-summarize
   conda-python-build:
     needs: checks
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-python-build.yaml@branch-25.08
+    uses: rapidsai/shared-workflows/.github/workflows/conda-python-build.yaml@branch-25.10
     with:
       build_type: pull-request
       script: ci/build_python.sh
   conda-python-tests:
     needs: conda-python-build
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-python-tests.yaml@branch-25.08
+    uses: rapidsai/shared-workflows/.github/workflows/conda-python-tests.yaml@branch-25.10
     with:
       build_type: pull-request
       container-options: "--cap-add CAP_SYS_PTRACE --shm-size=8g --ulimit=nofile=1000000:1000000"
       script: ci/test_python.sh
   wheel-build:
     needs: checks
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@branch-25.08
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-build.yaml@branch-25.10
     with:
       build_type: pull-request
       script: ci/build_wheel.sh
@@ -63,7 +63,7 @@ jobs:
   wheel-tests:
     needs: wheel-build
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@branch-25.08
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@branch-25.10
     with:
       build_type: pull-request
       script: ci/test_wheel.sh

.github/workflows/test.yaml

@@ -25,7 +25,7 @@ on:
 jobs:
   conda-python-tests:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/conda-python-tests.yaml@branch-25.08
+    uses: rapidsai/shared-workflows/.github/workflows/conda-python-tests.yaml@branch-25.10
     with:
       build_type: ${{ inputs.build_type }}
       branch: ${{ inputs.branch }}
@@ -35,7 +35,7 @@ jobs:
       container-options: "--cap-add CAP_SYS_PTRACE --shm-size=8g --ulimit=nofile=1000000:1000000"
   wheel-tests:
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@branch-25.08
+    uses: rapidsai/shared-workflows/.github/workflows/wheels-test.yaml@branch-25.10
     with:
       build_type: ${{ inputs.build_type }}
       branch: ${{ inputs.branch }}

.github/workflows/trigger-breaking-change-alert.yaml

@@ -12,7 +12,7 @@ jobs:
   trigger-notifier:
     if: contains(github.event.pull_request.labels.*.name, 'breaking')
     secrets: inherit
-    uses: rapidsai/shared-workflows/.github/workflows/breaking-change-alert.yaml@branch-25.08
+    uses: rapidsai/shared-workflows/.github/workflows/breaking-change-alert.yaml@branch-25.10
     with:
       sender_login: ${{ github.event.sender.login }}
       sender_avatar: ${{ github.event.sender.avatar_url }}

.pre-commit-config.yaml

@@ -32,9 +32,9 @@ repos:
                   - --fix
                   - --rapids-version-file=RAPIDS_VERSION
       - repo: https://github.com/rapidsai/dependency-file-generator
-        rev: v1.19.0
+        rev: v1.20.0
         hooks:
               - id: rapids-dependency-file-generator
-                args: ["--clean"]
+                args: ["--clean", "--warn-all", "--strict"]
 default_language_version:
       python: python3

.readthedocs.yml

@@ -10,7 +10,8 @@ build:
       # is pulled in, and therefore tested in this no-CUDA environment
       - |
         pip install \
-          -C rapidsai.matrix-entry="cuda=12.x;cuda_suffixed=true" \
+          --extra-index-url https://pypi.anaconda.org/rapidsai-wheels-nightly/simple/ \
+          -C rapidsai.matrix-entry="cuda=13.x;cuda_suffixed=true" \
           .
 
 conda:

RAPIDS_VERSION

@@ -1 +1 @@
-25.08.00
+25.10.00

README.md

@@ -1,5 +1,5 @@
-> [!WARNING]
-> UCX-Py is deprecated and will be phased out soon, version 0.45 (RAPIDS 25.08) is expected to be the last release. Projects that rely on UCX-Py are advised to migrate to [UCXX](https://github.com/rapidsai/ucxx) immediately.
+> [!CAUTION]
+> UCX-Py has been discontinued, version 0.45 (RAPIDS 25.08) was its last release and it will receive no further updates, see the [RAPIDS Support Notice 50](https://docs.rapids.ai/notices/rsn0050/) for details. Projects depending on UCX-Py are advised to migrate to [UCXX](https://github.com/rapidsai/ucxx) immediately. [UCXX documentation](https://docs.rapids.ai/api/ucxx/nightly/).
 
 [![https://ucx-py.readthedocs.io/en/latest/](https://readthedocs.org/projects/ucx-py/badge/ "ReadTheDocs")]( https://ucx-py.readthedocs.io/en/latest/ )
 

VERSION

@@ -1 +1 @@
-0.45.0
+0.46.0

ci/run_benchmark_pytests.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright (c) 2024, NVIDIA CORPORATION.
+# Copyright (c) 2024-2025, NVIDIA CORPORATION.
 
 set -euo pipefail
 

conda/recipes/ucx-py/conda_build_config.yaml

@@ -1,8 +1,9 @@
 c_compiler_version:
-  - 13
+  - 14
 
 cxx_compiler_version:
-  - 13
+  - 14
 
 ucx:
-  - "==1.15.*"
+  - "==1.17.*"  # [os.environ.get("RAPIDS_CUDA_VERSION", "").startswith("12")]
+  - "==1.19.*"  # [not os.environ.get("RAPIDS_CUDA_VERSION", "").startswith("12")]

conda/recipes/ucx-py/recipe.yaml

@@ -30,14 +30,16 @@ requirements:
     - cython>=3.0.0
     - pip
     - python =${{ py_version }}
-    - rapids-build-backend>=0.3.1,<0.4.0dev0
+    - rapids-build-backend>=0.4.0,<0.5.0.dev0
     - setuptools>=64.0.0
     - ucx
   run:
     - numpy>=1.23,<3.0a0
-    - pynvml>=12.0.0,<13.0.0a0
+    # 'nvidia-ml-py' provides the 'pynvml' module, since v12.560.30
+    # ref: https://github.com/conda-forge/nvidia-ml-py-feedstock/pull/24
+    - nvidia-ml-py>=12.560.30
     - python
-    - ucx >=1.15.0,<1.19.0
+    - ucx >=1.17.0,<1.20.0
   ignore_run_exports:
     from_package:
       - ${{ compiler("c") }}

dependencies.yaml

@@ -6,6 +6,7 @@ files:
       - checks
       - cuda
       - cuda_version
+      - depends_on_cudf
       - depends_on_cupy
       - py_version
       - rapids_build_setuptools
@@ -15,6 +16,7 @@ files:
     output: none
     includes:
       - cuda_version
+      - depends_on_cudf
       - depends_on_cupy
       - py_version
       - test_ucx_py
@@ -55,6 +57,7 @@ files:
       table: project.optional-dependencies
       key: test
     includes:
+      - depends_on_cudf
       - depends_on_cupy
       - test_python
 channels:
@@ -91,14 +94,15 @@ dependencies:
               cuda: "12.9"
             packages:
               - cuda-version=12.9
-  cuda:
-    specific:
-      - output_types: conda
-        matrices:
           - matrix:
-              cuda: "12.*"
+              cuda: "13.0"
             packages:
-              - cuda-cudart
+              - cuda-version=13.0
+  cuda:
+    common:
+      - output_types: [conda]
+        packages:
+          - cuda-cudart
   py_version:
     specific:
       - output_types: conda
@@ -131,70 +135,94 @@ dependencies:
     common:
       - output_types: [conda, requirements, pyproject]
         packages:
-          - rapids-build-backend>=0.3.1,<0.4.0dev0
+          - rapids-build-backend>=0.4.0,<0.5.0.dev0
           - setuptools>=64.0.0
   run:
     common:
       - output_types: [conda, requirements, pyproject]
         packages:
           - numpy>=1.23,<3.0a0
-          - pynvml>=12.0.0,<13.0.0a0
+          # 'nvidia-ml-py' provides the 'pynvml' module, since v12.560.30
+          # ref: https://github.com/conda-forge/nvidia-ml-py-feedstock/pull/24
+          - nvidia-ml-py>=12.560.30
   depends_on_cupy:
     common:
       - output_types: conda
         packages:
-          - cupy>=12.0.0
+          - cupy>=13.6.0
     # NOTE: This is intentionally not broken into groups by a 'cuda_suffixed' selector like
     #       other packages with -cu{nn}x suffixes in this file.
     #       All RAPIDS wheel builds (including in devcontainers) expect cupy to be suffixed.
     specific:
       - output_types: [requirements, pyproject]
         matrices:
-          - matrix: # All CUDA 12 versions
+          - matrix:
+              cuda: "12.*"
             packages:
-              - cupy-cuda12x>=12.0.0
+              - cupy-cuda12x>=13.6.0
+          # fallback to CUDA 13 versions if 'cuda' is '13.*' or not provided
+          - matrix:
+            packages:
+              - &cupy_cu13 cupy-cuda13x>=13.6.0
   depends_on_ucx_build:
     common:
       - output_types: conda
         packages:
-          - ucx==1.15.0
+          - ucx==1.17.0
       - output_types: requirements
         packages:
           # pip recognizes the index as a global option for the requirements.txt file
           - --extra-index-url=https://pypi.nvidia.com
           - --extra-index-url=https://pypi.anaconda.org/rapidsai-wheels-nightly/simple
     specific:
       # very tight >=x.x.x,<x.x.(x+1) here allows for installation of
-      # post release like 1.15.0.post1
+      # post release like 1.17.0.post1
       - output_types: [requirements, pyproject]
         matrices:
           - matrix:
               cuda: "12.*"
               cuda_suffixed: "true"
             packages:
-              - libucx-cu12>=1.15.0,<1.15.1
+              - libucx-cu12>=1.17.0,<1.17.1
+          - matrix:
+              cuda: "13.*"
+              cuda_suffixed: "true"
+            packages:
+              - libucx-cu13>=1.19.0,<1.19.1
           # this fallback is intentionally empty... it simplifies building from source
           # without CUDA, e.g. 'pip install .'
           - matrix: null
             packages: null
   depends_on_ucx_run:
     common:
-      - output_types: conda
-        packages:
-          - ucx>=1.15.0,<1.19
       - output_types: requirements
         packages:
           # pip recognizes the index as a global option for the requirements.txt file
           - --extra-index-url=https://pypi.nvidia.com
           - --extra-index-url=https://pypi.anaconda.org/rapidsai-wheels-nightly/simple
     specific:
+      - output_types: [conda]
+        matrices:
+          - matrix:
+              cuda: "12.*"
+            packages:
+              - ucx>=1.17.0,<1.20
+          # require at least 1.19.0 on CUDA 13 (and make that the default when 'cuda' filter is not provided)
+          - matrix:
+            packages:
+              - ucx>=1.19.0,<1.20
       - output_types: [requirements, pyproject]
         matrices:
           - matrix:
               cuda: "12.*"
               cuda_suffixed: "true"
             packages:
-              - libucx-cu12>=1.15.0,<1.19
+              - libucx-cu12>=1.17.0,<1.20
+          - matrix:
+              cuda: "13.*"
+              cuda_suffixed: "true"
+            packages:
+              - libucx-cu13>=1.19.0,<1.20
           # this fallback is intentionally empty... it simplifies building from source
           # without CUDA, e.g. 'pip install .'
           - matrix: null
@@ -203,29 +231,51 @@ dependencies:
     common:
       - output_types: conda
         packages:
-          - ucx-py==0.45.*,>=0.0.0a0
+          - ucx-py==0.46.*,>=0.0.0a0
   test_python:
     common:
       - output_types: [conda, requirements, pyproject]
         packages:
           - cloudpickle
-          - rapids-dask-dependency==25.8.*,>=0.0.0a0
+          - rapids-dask-dependency==25.10.*,>=0.0.0a0
           - distributed
           - numba>=0.59.1,<0.62.0a0
           - pytest==7.*
           - pytest-asyncio
           - pytest-rerunfailures
       - output_types: [conda]
         packages:
-          - &cudf_unsuffixed cudf==25.8.*,>=0.0.0a0
+          - &numba_cuda numba-cuda>=0.19.0,<0.20.0a0
+    specific:
+      - output_types: [requirements, pyproject]
+        matrices:
+          - matrix:
+              cuda: "12.*"
+            packages:
+              - numba-cuda[cu12]>=0.19.0,<0.20.0a0
+          # fallback to CUDA 13 versions if 'cuda' is '13.*' or not provided
+          - matrix:
+            packages:
+              - numba-cuda[cu13]>=0.19.0,<0.20.0a0
+  depends_on_cudf:
+    common:
+      - output_types: [conda]
+        packages:
+          - &cudf_unsuffixed cudf==25.10.*,>=0.0.0a0
+      - output_types: requirements
+        packages:
+          # pip recognizes the index as a global option for the requirements.txt file
+          - --extra-index-url=https://pypi.anaconda.org/rapidsai-wheels-nightly/simple
     specific:
       - output_types: [requirements, pyproject]
         matrices:
           - matrix:
               cuda: "12.*"
               cuda_suffixed: "true"
             packages:
-              - cudf-cu12==25.8.*,>=0.0.0a0
+              - cudf-cu12==25.10.*,>=0.0.0a0
           - matrix:
+              cuda: "13.*"
             packages:
-              - *cudf_unsuffixed
+              - cudf-cu13==25.10.*,>=0.0.0a0
+          - {matrix: null, packages: [*cudf_unsuffixed]}