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Merged
rly merged 8 commits into from
Mar 10, 2026
Merged

Add Python 3.14 support #2168

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05898f9
Add Python 3.14 support
bendichter Mar 4, 2026
826f25b
Revert coverage, deploy, and deploy-dev Python to 3.13
bendichter Mar 4, 2026
17b6299
Merge remote-tracking branch 'origin/dev' into add-py314
rly Mar 9, 2026
fa9bd16
Update optional pinned tests to py313 and reorder opt rows
rly Mar 10, 2026
7de2cab
Use Python 3.14 in more places in CI
rly Mar 10, 2026
8f40612
Update pinned deps and fix ros3 CI for Python 3.14
rly Mar 10, 2026
75bd971
Fix dep conflicts: bump platformdirs min, update conda ros3 pins
rly Mar 10, 2026
5d3b664
Use Python 3.13 for macOS gallery tests (numcodecs build issue)
rly Mar 10, 2026
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1 change: 1 addition & 0 deletions .github/ISSUE_TEMPLATE/bug_report.yml
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Expand Up @@ -65,6 +65,7 @@ body:
- "3.11"
- "3.12"
- "3.13"
- "3.14"
- "higher version (not yet supported)"
validations:
required: true
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6 changes: 3 additions & 3 deletions .github/workflows/deploy_release.yml
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Expand Up @@ -18,7 +18,7 @@ jobs:
- name: Set up Python
uses: actions/setup-python@v5
with:
python-version: '3.13'
python-version: '3.14'

- name: Install build dependencies
run: |
Expand All @@ -28,11 +28,11 @@ jobs:

- name: Run tox tests
run: |
tox -e py312-upgraded
tox -e py314-upgraded

- name: Build wheel and source distribution
run: |
tox -e build-py312-upgraded
tox -e build-py314-upgraded
ls -1 dist

- name: Test installation from a wheel
Expand Down
47 changes: 26 additions & 21 deletions .github/workflows/run_all_tests.yml
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Expand Up @@ -24,25 +24,28 @@ jobs:
include:
- { name: linux-python3.10-minimum , test-tox-env: test-py310-minimum , build-tox-env: build-py310-minimum , python-ver: "3.10", os: ubuntu-latest }
- { name: linux-python3.11 , test-tox-env: test-py311-pinned , build-tox-env: build-py311-pinned , python-ver: "3.11", os: ubuntu-latest }
- { name: linux-python3.11-opt , test-tox-env: test-py311-optional-pinned, build-tox-env: build-py311-pinned , python-ver: "3.11", os: ubuntu-latest }
- { name: linux-python3.12 , test-tox-env: test-py312-pinned , build-tox-env: build-py312-pinned , python-ver: "3.12", os: ubuntu-latest }
- { name: linux-python3.13 , test-tox-env: test-py313-pinned , build-tox-env: build-py313-pinned , python-ver: "3.13", os: ubuntu-latest }
- { name: linux-python3.13-upgraded , test-tox-env: test-py313-upgraded , build-tox-env: build-py313-upgraded , python-ver: "3.13", os: ubuntu-latest }
- { name: linux-python3.13-prerelease , test-tox-env: test-py313-prerelease , build-tox-env: build-py313-prerelease, python-ver: "3.13", os: ubuntu-latest }
- { name: linux-python3.13-opt , test-tox-env: test-py313-optional-pinned, build-tox-env: build-py313-pinned , python-ver: "3.13", os: ubuntu-latest }
- { name: linux-python3.14 , test-tox-env: test-py314-pinned , build-tox-env: build-py314-pinned , python-ver: "3.14", os: ubuntu-latest }
- { name: linux-python3.14-upgraded , test-tox-env: test-py314-upgraded , build-tox-env: build-py314-upgraded , python-ver: "3.14", os: ubuntu-latest }
- { name: linux-python3.14-prerelease , test-tox-env: test-py314-prerelease , build-tox-env: build-py314-prerelease, python-ver: "3.14", os: ubuntu-latest }
- { name: windows-python3.10-minimum , test-tox-env: test-py310-minimum , build-tox-env: build-py310-minimum , python-ver: "3.10", os: windows-latest }
- { name: windows-python3.11 , test-tox-env: test-py311-pinned , build-tox-env: build-py311-pinned , python-ver: "3.11", os: windows-latest }
- { name: windows-python3.11-opt , test-tox-env: test-py311-optional-pinned, build-tox-env: build-py311-pinned , python-ver: "3.11", os: windows-latest }
- { name: windows-python3.12 , test-tox-env: test-py312-pinned , build-tox-env: build-py312-pinned , python-ver: "3.12", os: windows-latest }
- { name: windows-python3.13 , test-tox-env: test-py313-pinned , build-tox-env: build-py313-pinned , python-ver: "3.13", os: windows-latest }
- { name: windows-python3.13-upgraded , test-tox-env: test-py313-upgraded , build-tox-env: build-py313-upgraded , python-ver: "3.13", os: windows-latest }
- { name: windows-python3.13-prerelease, test-tox-env: test-py313-prerelease , build-tox-env: build-py313-prerelease, python-ver: "3.13", os: windows-latest }
- { name: windows-python3.13-opt , test-tox-env: test-py313-optional-pinned, build-tox-env: build-py313-pinned , python-ver: "3.13", os: windows-latest }
- { name: windows-python3.14 , test-tox-env: test-py314-pinned , build-tox-env: build-py314-pinned , python-ver: "3.14", os: windows-latest }
- { name: windows-python3.14-upgraded , test-tox-env: test-py314-upgraded , build-tox-env: build-py314-upgraded , python-ver: "3.14", os: windows-latest }
- { name: windows-python3.14-prerelease, test-tox-env: test-py314-prerelease , build-tox-env: build-py314-prerelease, python-ver: "3.14", os: windows-latest }
- { name: macos-python3.10-minimum , test-tox-env: test-py310-minimum , build-tox-env: build-py310-minimum , python-ver: "3.10", os: macos-15-intel }
- { name: macos-python3.11 , test-tox-env: test-py311-pinned , build-tox-env: build-py311-pinned , python-ver: "3.11", os: macos-latest }
- { name: macos-python3.11-opt , test-tox-env: test-py311-optional-pinned, build-tox-env: build-py311-pinned , python-ver: "3.11", os: macos-latest }
- { name: macos-python3.12 , test-tox-env: test-py312-pinned , build-tox-env: build-py312-pinned , python-ver: "3.12", os: macos-latest }
- { name: macos-python3.13 , test-tox-env: test-py313-pinned , build-tox-env: build-py313-pinned , python-ver: "3.13", os: macos-latest }
- { name: macos-python3.13-upgraded , test-tox-env: test-py313-upgraded , build-tox-env: build-py313-upgraded , python-ver: "3.13", os: macos-latest }
- { name: macos-python3.13-prerelease , test-tox-env: test-py313-prerelease , build-tox-env: build-py313-prerelease, python-ver: "3.13", os: macos-latest }
- { name: macos-python3.13-opt , test-tox-env: test-py313-optional-pinned, build-tox-env: build-py313-pinned , python-ver: "3.13", os: macos-latest }
- { name: macos-python3.14 , test-tox-env: test-py314-pinned , build-tox-env: build-py314-pinned , python-ver: "3.14", os: macos-latest }
- { name: macos-python3.14-upgraded , test-tox-env: test-py314-upgraded , build-tox-env: build-py314-upgraded , python-ver: "3.14", os: macos-latest }
- { name: macos-python3.14-prerelease , test-tox-env: test-py314-prerelease , build-tox-env: build-py314-prerelease, python-ver: "3.14", os: macos-latest }
steps:
- name: Cancel non-latest runs
uses: styfle/cancel-workflow-action@0.11.0
Expand Down Expand Up @@ -90,12 +93,13 @@ jobs:
matrix:
include:
- { name: linux-gallery-python3.10-minimum , test-tox-env: gallery-py310-minimum , python-ver: "3.10", os: ubuntu-latest }
- { name: linux-gallery-python3.13-upgraded , test-tox-env: gallery-py313-upgraded , python-ver: "3.13", os: ubuntu-latest }
- { name: linux-gallery-python3.13-prerelease , test-tox-env: gallery-py313-prerelease, python-ver: "3.13", os: ubuntu-latest }
- { name: linux-gallery-python3.14-upgraded , test-tox-env: gallery-py314-upgraded , python-ver: "3.14", os: ubuntu-latest }
- { name: linux-gallery-python3.14-prerelease , test-tox-env: gallery-py314-prerelease, python-ver: "3.14", os: ubuntu-latest }
- { name: windows-gallery-python3.10-minimum , test-tox-env: gallery-py310-minimum , python-ver: "3.10", os: windows-latest }
- { name: windows-gallery-python3.13-upgraded , test-tox-env: gallery-py313-upgraded , python-ver: "3.13", os: windows-latest }
- { name: windows-gallery-python3.13-prerelease, test-tox-env: gallery-py313-prerelease, python-ver: "3.13", os: windows-latest }
- { name: windows-gallery-python3.14-upgraded , test-tox-env: gallery-py314-upgraded , python-ver: "3.14", os: windows-latest }
- { name: windows-gallery-python3.14-prerelease, test-tox-env: gallery-py314-prerelease, python-ver: "3.14", os: windows-latest }
- { name: macos-gallery-python3.10-minimum , test-tox-env: gallery-py310-minimum , python-ver: "3.10", os: macos-15-intel }
# macOS gallery uses py313: dandi pins numcodecs<0.16, which lacks py314 macOS wheels
- { name: macos-gallery-python3.13-upgraded , test-tox-env: gallery-py313-upgraded , python-ver: "3.13", os: macos-latest }
- { name: macos-gallery-python3.13-prerelease , test-tox-env: gallery-py313-prerelease, python-ver: "3.13", os: macos-latest }
steps:
Expand Down Expand Up @@ -139,8 +143,9 @@ jobs:
- { name: conda-linux-python3.11 , test-tox-env: test-py311-pinned , build-tox-env: build-py311-pinned , python-ver: "3.11", os: ubuntu-latest }
- { name: conda-linux-python3.12 , test-tox-env: test-py312-pinned , build-tox-env: build-py312-pinned , python-ver: "3.12", os: ubuntu-latest }
- { name: conda-linux-python3.13 , test-tox-env: test-py313-pinned , build-tox-env: build-py313-pinned , python-ver: "3.13", os: ubuntu-latest }
- { name: conda-linux-python3.13-upgraded , test-tox-env: test-py313-upgraded , build-tox-env: build-py313-upgraded , python-ver: "3.13", os: ubuntu-latest }
- { name: conda-linux-python3.13-prerelease, test-tox-env: test-py313-prerelease, build-tox-env: build-py313-prerelease, python-ver: "3.13", os: ubuntu-latest }
- { name: conda-linux-python3.14 , test-tox-env: test-py314-pinned , build-tox-env: build-py314-pinned , python-ver: "3.14", os: ubuntu-latest }
- { name: conda-linux-python3.14-upgraded , test-tox-env: test-py314-upgraded , build-tox-env: build-py314-upgraded , python-ver: "3.14", os: ubuntu-latest }
- { name: conda-linux-python3.14-prerelease, test-tox-env: test-py314-prerelease, build-tox-env: build-py314-prerelease, python-ver: "3.14", os: ubuntu-latest }
steps:
- name: Cancel non-latest runs
uses: styfle/cancel-workflow-action@0.11.0
Expand Down Expand Up @@ -195,9 +200,9 @@ jobs:
fail-fast: false
matrix:
include:
- { name: conda-linux-python3.13-ros3 , python-ver: "3.13", os: ubuntu-latest }
- { name: conda-windows-python3.13-ros3, python-ver: "3.13", os: windows-latest }
- { name: conda-macos-python3.13-ros3 , python-ver: "3.13", os: macos-latest }
- { name: conda-linux-python3.14-ros3 , python-ver: "3.14", os: ubuntu-latest }
- { name: conda-windows-python3.14-ros3, python-ver: "3.14", os: windows-latest }
- { name: conda-macos-python3.14-ros3 , python-ver: "3.14", os: macos-latest }
steps:
- name: Cancel non-latest runs
uses: styfle/cancel-workflow-action@0.11.0
Expand Down Expand Up @@ -242,9 +247,9 @@ jobs:
fail-fast: false
matrix:
include:
- { name: conda-linux-gallery-python3.13-ros3 , python-ver: "3.13", os: ubuntu-latest }
- { name: conda-windows-gallery-python3.13-ros3, python-ver: "3.13", os: windows-latest }
- { name: conda-macos-gallery-python3.13-ros3 , python-ver: "3.13", os: macos-latest }
- { name: conda-linux-gallery-python3.14-ros3 , python-ver: "3.14", os: ubuntu-latest }
- { name: conda-windows-gallery-python3.14-ros3, python-ver: "3.14", os: windows-latest }
- { name: conda-macos-gallery-python3.14-ros3 , python-ver: "3.14", os: macos-latest }
steps:
- name: Cancel non-latest runs
uses: styfle/cancel-workflow-action@0.11.0
Expand Down
2 changes: 1 addition & 1 deletion .github/workflows/run_coverage.yml
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Expand Up @@ -28,7 +28,7 @@ jobs:
- { os: macos-latest , opt_req: false }
env:
OS: ${{ matrix.os }}
PYTHON: '3.13'
PYTHON: '3.14'
steps:
- name: Cancel non-latest runs
uses: styfle/cancel-workflow-action@0.11.0
Expand Down
2 changes: 1 addition & 1 deletion .github/workflows/run_dandi_read_tests.yml
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Expand Up @@ -25,7 +25,7 @@ jobs:
- name: Set up Python
uses: actions/setup-python@v5
with:
python-version: '3.13'
python-version: '3.14'

- name: Install run dependencies
run: |
Expand Down
28 changes: 14 additions & 14 deletions .github/workflows/run_tests.yml
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Expand Up @@ -21,11 +21,11 @@ jobs:
include:
- { name: linux-python3.10-minimum , test-tox-env: test-py310-minimum , build-tox-env: build-py310-minimum , python-ver: "3.10" , os: ubuntu-latest }
# NOTE config below with "upload-wheels: true" specifies that wheels should be uploaded as an artifact
- { name: linux-python3.13-upgraded , test-tox-env: test-py313-upgraded , build-tox-env: build-py313-upgraded , python-ver: "3.13", os: ubuntu-latest , upload-wheels: true }
- { name: windows-python3.10-minimum , test-tox-env: test-py310-minimum , build-tox-env: build-py310-minimum , python-ver: "3.10" , os: windows-latest }
- { name: windows-python3.13-upgraded , test-tox-env: test-py313-upgraded , build-tox-env: build-py313-upgraded , python-ver: "3.13", os: windows-latest }
- { name: macos-python3.10-minimum , test-tox-env: test-py310-minimum , build-tox-env: build-py310-minimum , python-ver: "3.10" , os: macos-15-intel }
- { name: macos-python3.13-upgraded , test-tox-env: test-py313-upgraded , build-tox-env: build-py313-upgraded , python-ver: "3.13" , os: macos-latest }
- { name: linux-python3.14-upgraded , test-tox-env: test-py314-upgraded , build-tox-env: build-py314-upgraded , python-ver: "3.14", os: ubuntu-latest , upload-wheels: true }
- { name: windows-python3.10-minimum , test-tox-env: test-py310-minimum , build-tox-env: build-py310-minimum , python-ver: "3.10", os: windows-latest }
- { name: windows-python3.14-upgraded , test-tox-env: test-py314-upgraded , build-tox-env: build-py314-upgraded , python-ver: "3.14", os: windows-latest }
- { name: macos-python3.10-minimum , test-tox-env: test-py310-minimum , build-tox-env: build-py310-minimum , python-ver: "3.10", os: macos-15-intel }
- { name: macos-python3.14-upgraded , test-tox-env: test-py314-upgraded , build-tox-env: build-py314-upgraded , python-ver: "3.14", os: macos-latest }
steps:
- name: Cancel non-latest runs
uses: styfle/cancel-workflow-action@0.11.0
Expand Down Expand Up @@ -79,10 +79,10 @@ jobs:
fail-fast: false
matrix:
include:
- { name: linux-gallery-python3.10-minimum , test-tox-env: gallery-py310-minimum , python-ver: "3.10" , os: ubuntu-latest }
- { name: linux-gallery-python3.13-upgraded , test-tox-env: gallery-py313-upgraded, python-ver: "3.13", os: ubuntu-latest }
- { name: windows-gallery-python3.10-minimum , test-tox-env: gallery-py310-minimum , python-ver: "3.10" , os: windows-latest }
- { name: windows-gallery-python3.13-upgraded, test-tox-env: gallery-py313-upgraded, python-ver: "3.13", os: windows-latest }
- { name: linux-gallery-python3.10-minimum , test-tox-env: gallery-py310-minimum , python-ver: "3.10", os: ubuntu-latest }
- { name: linux-gallery-python3.14-upgraded , test-tox-env: gallery-py314-upgraded, python-ver: "3.14", os: ubuntu-latest }
- { name: windows-gallery-python3.10-minimum , test-tox-env: gallery-py310-minimum , python-ver: "3.10", os: windows-latest }
- { name: windows-gallery-python3.14-upgraded, test-tox-env: gallery-py314-upgraded, python-ver: "3.14", os: windows-latest }
steps:
- name: Cancel non-latest runs
uses: styfle/cancel-workflow-action@0.11.0
Expand Down Expand Up @@ -120,8 +120,8 @@ jobs:
fail-fast: false
matrix:
include:
- { name: conda-linux-python3.10-minimum , test-tox-env: test-py310-minimum , build-tox-env: build-py310-minimum , python-ver: "3.10" , os: ubuntu-latest }
- { name: conda-linux-python3.13-upgraded , test-tox-env: test-py313-upgraded , build-tox-env: build-py313-upgraded , python-ver: "3.13", os: ubuntu-latest }
- { name: conda-linux-python3.10-minimum , test-tox-env: test-py310-minimum , build-tox-env: build-py310-minimum , python-ver: "3.10", os: ubuntu-latest }
- { name: conda-linux-python3.14-upgraded , test-tox-env: test-py314-upgraded , build-tox-env: build-py314-upgraded , python-ver: "3.14", os: ubuntu-latest }
steps:
- name: Cancel non-latest runs
uses: styfle/cancel-workflow-action@0.11.0
Expand Down Expand Up @@ -175,7 +175,7 @@ jobs:
fail-fast: false
matrix:
include:
- { name: conda-linux-python3.13-ros3 , python-ver: "3.13", os: ubuntu-latest }
- { name: conda-linux-python3.14-ros3 , python-ver: "3.14", os: ubuntu-latest }
steps:
- name: Cancel non-latest runs
uses: styfle/cancel-workflow-action@0.11.0
Expand Down Expand Up @@ -220,7 +220,7 @@ jobs:
fail-fast: false
matrix:
include:
- { name: conda-linux-gallery-python3.13-ros3 , python-ver: "3.13", os: ubuntu-latest }
- { name: conda-linux-gallery-python3.14-ros3 , python-ver: "3.14", os: ubuntu-latest }
steps:
- name: Cancel non-latest runs
uses: styfle/cancel-workflow-action@0.11.0
Expand Down Expand Up @@ -280,7 +280,7 @@ jobs:
- name: Set up Python
uses: actions/setup-python@v5
with:
python-version: '3.13'
python-version: '3.14'

- name: Download wheel and source distributions from artifact
uses: actions/download-artifact@v4
Expand Down
2 changes: 1 addition & 1 deletion CHANGELOG.md
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Expand Up @@ -15,10 +15,10 @@
- Fixed invalid CSS properties in documentation assistant toggle that prevented proper positioning on displays ≥1400px wide. @rly [#2151](https://github.com/NeurodataWithoutBorders/pynwb/pull/2151)

### Changed
- Added Python 3.14 support. @bendichter, @rly [#2168](https://github.com/NeurodataWithoutBorders/pynwb/pull/2168)
- Updated HDMF dependency to >=5.0.0, <6. @rly [#2171](https://github.com/NeurodataWithoutBorders/pynwb/issues/2171)
- Deprecated Python 3.9 support. (EOL was Oct 31, 2025) @bendichter [#2141](https://github.com/NeurodataWithoutBorders/pynwb/pull/2141)


## PyNWB 3.1.3 (December 9, 2025)

### Added
Expand Down
2 changes: 1 addition & 1 deletion docs/source/install_developers.rst
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Expand Up @@ -6,7 +6,7 @@ Installing PyNWB for Developers

PyNWB has the following minimum requirements, which must be installed before you can get started using PyNWB.

#. Python 3.10, 3.11, 3.12, or 3.13
#. Python 3.10, 3.11, 3.12, 3.13, or 3.14
#. pip


Expand Down
2 changes: 1 addition & 1 deletion docs/source/install_users.rst
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Expand Up @@ -6,7 +6,7 @@ Installing PyNWB

PyNWB has the following minimum requirements, which must be installed before you can get started using PyNWB.

#. Python 3.10, 3.11, 3.12, or 3.13
#. Python 3.10, 3.11, 3.12, 3.13, or 3.14
#. pip

.. note:: If you are a developer then please see the :ref:`install_developers` installation instructions instead.
Expand Down
18 changes: 9 additions & 9 deletions environment-ros3.yml
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Expand Up @@ -4,17 +4,17 @@ channels:
- conda-forge
- defaults
dependencies:
- python==3.13
- h5py==3.12.1
- matplotlib==3.9.2
- numpy==2.1.3
- pandas==2.2.3
- python==3.14
- h5py==3.15.1
- matplotlib==3.10.8
- numpy==2.4.2
- pandas==3.0.1
- python-dateutil==2.9.0
- setuptools
- pytest==7.4.3 # pin to pytest < 8 because of incompatibilities to be addressed
- fsspec==2025.5.1
- requests==2.32.3
- aiohttp==3.12.13
- pytest==9.0.2
- fsspec==2026.1.0
- requests==2.32.5
- aiohttp==3.13.3
- pip
- pip:
- hdmf==5.0.0 # not yet available on conda-forge
Expand Down
3 changes: 2 additions & 1 deletion pyproject.toml
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Expand Up @@ -22,6 +22,7 @@ classifiers = [
"Programming Language :: Python :: 3.11",
"Programming Language :: Python :: 3.12",
"Programming Language :: Python :: 3.13",
"Programming Language :: Python :: 3.14",
"License :: OSI Approved :: BSD License",
"Development Status :: 5 - Production/Stable",
"Intended Audience :: Developers",
Expand All @@ -37,7 +38,7 @@ dependencies = [
"numpy>=1.24.0",
"pandas>=1.4.0",
"python-dateutil>=2.8.2",
"platformdirs>=4.1.0"
"platformdirs>=4.2.2"
]
dynamic = ["version"] # the build backend will compute the version dynamically from git tag (or a __version__)

Expand Down
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