Python 3.14 support

Author: crusaderky

.github/workflows/tests.yaml

@@ -26,23 +26,13 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        environment: [mindeps, "3.10", "3.11", "3.12", "3.13"]
+        environment: [mindeps, "3.10", "3.11", "3.12", "3.13", "3.14"]
         label: [default]
         extra_packages: [null]
         # Cherry-pick test modules to split the overall runtime roughly in half
         partition: [ci1, not ci1]
 
         exclude:
-          # MacOS CI does not have any hosts available; run it on 3.12 only
-          - os: macos-latest
-            environment: mindeps
-          - os: macos-latest
-            environment: "3.10"
-          - os: macos-latest
-            environment: "3.11"
-          - os: macos-latest
-            environment: "3.13"
-
           - os: windows-latest
             environment: mindeps
 

continuous_integration/environment-3.14.yaml

@@ -0,0 +1,54 @@
+name: dask-distributed-313
+channels:
+  - conda-forge
+dependencies:
+  - python=3.14
+  - packaging
+  - pip
+  - asyncssh
+  - bokeh>3
+  - click
+  - cloudpickle
+  - coverage
+  - dask  # overridden by git tip below
+  - fsspec  # overridden by git tip below
+  # - gilknocker  # Not yet available for Python 3.14
+  - h5py
+  - ipykernel
+  - ipywidgets
+  - jinja2
+  - jupyter_events<0.11
+  - jupyter-server-proxy
+  - jupyterlab
+  - locket
+  - msgpack-python
+  - netcdf4
+  - paramiko
+  - pre-commit
+  - prometheus_client
+  - psutil
+  - pyarrow
+  - pytest<8.4  # Pin due to https://github.com/pytest-dev/pytest-cov/issues/693
+  - pytest-cov
+  - pytest-faulthandler
+  - pytest-repeat
+  - pytest-rerunfailures
+  - pytest-timeout
+  - requests
+  - scikit-learn
+  - scipy
+  - sortedcollections
+  - tblib !=3.2.0,!=3.2.1
+  - toolz
+  - tornado
+  - zict  # overridden by git tip below
+  - zstandard
+  # Temporary fix for https://github.com/pypa/setuptools/issues/4496
+  - setuptools < 71
+  # Temporary fix for https://github.com/jupyterlab/jupyterlab/issues/17012
+  - httpx<0.28.0
+  - pip:
+      - git+https://github.com/dask/dask
+      - git+https://github.com/dask/zict
+      - git+https://github.com/fsspec/filesystem_spec
+      - keras

pyproject.toml

@@ -20,6 +20,7 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Topic :: Scientific/Engineering",
     "Topic :: System :: Distributed Computing",
 ]