Support python 3.14

.github/workflows/all-tests.yml

@@ -24,7 +24,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.13"]  # Lower and higher versions we support
+        python-version: ["3.10", "3.14"]  # Lower and higher versions we support
         os: [macos-latest, windows-latest, ubuntu-latest]
     steps:
       - uses: actions/checkout@v4
@@ -83,6 +83,11 @@ jobs:
 
       - name: Install packages
         run: |
+          # On macOS with Python 3.14, numcodecs wheels are only available for native arch (not universal2)
+          # Force pip to use pre-built wheels to avoid build failures from source
+          if [[ "${{ runner.os }}" == "macOS" && "${{ matrix.python-version }}" == "3.14" ]]; then
+            pip install numcodecs --only-binary :all:
+          fi
           pip install -e .[test_core]
         shell: bash
 

.gitignore

@@ -144,3 +144,4 @@ test_folder/
 # Mac OS
 .DS_Store
 test_data.json
+uv.lock

pyproject.toml

@@ -21,15 +21,17 @@ classifiers = [
 
 dependencies = [
     "numpy>=1.20;python_version<'3.13'",
-    "numpy>=2.0.0;python_version>='3.13'",
+    "numpy>=2.0.0;python_version>='3.13' and python_version<'3.14'",
+    "numpy>=2.3.2;python_version>='3.14'",
     "threadpoolctl>=3.0.0",
     "tqdm",
     "zarr>=2.18,<3",
     "neo>=0.14.3",
     "probeinterface>=0.3.1",
     "packaging",
     "pydantic",
-    "numcodecs<0.16.0", # For supporting zarr < 3
+    "numcodecs;python_version<'3.14'",
+    "numcodecs>=0.16.5;python_version>='3.14'",
 ]
 
 [build-system]