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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
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1 change: 1 addition & 0 deletions .github/ISSUE_TEMPLATE/bug_report.yml
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Expand Up @@ -66,6 +66,7 @@ body:
- "3.11"
- "3.12"
- "3.13"
- "3.14"
- "higher version (not yet supported)"
validations:
required: true
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4 changes: 2 additions & 2 deletions .github/workflows/deploy_release.yml
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Expand Up @@ -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
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32 changes: 18 additions & 14 deletions .github/workflows/run_all_tests.yml
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Expand Up @@ -28,24 +28,27 @@ jobs:
- { 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-python3.14 , 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-python3.9-minimum , test-tox-env: test-py39-minimum , build-tox-env: build-py39-minimum , python-ver: "3.9" , os: windows-latest }
- { name: windows-python3.10 , test-tox-env: test-py310-pinned , build-tox-env: build-py310-pinned , 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-python3.14 , 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-python3.9-minimum , test-tox-env: test-py39-minimum , build-tox-env: build-py39-minimum , python-ver: "3.9" , os: macos-15-intel }
- { name: macos-python3.10 , test-tox-env: test-py310-pinned , build-tox-env: build-py310-pinned , python-ver: "3.10", os: macos-latest }
- { 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-python3.14 , 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 @@ -93,14 +96,14 @@ jobs:
matrix:
include:
- { name: linux-gallery-python3.9-minimum , test-tox-env: gallery-py39-minimum , python-ver: "3.9" , 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-python3.9-minimum , test-tox-env: gallery-py39-minimum , python-ver: "3.9" , 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-python3.9-minimum , test-tox-env: gallery-py39-minimum , python-ver: "3.9" , os: macos-15-intel}
- { 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 }
- { name: macos-gallery-python3.14-upgraded , test-tox-env: gallery-py314-upgraded , python-ver: "3.14", os: macos-latest }
- { name: macos-gallery-python3.14-prerelease , test-tox-env: gallery-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 @@ -143,8 +146,9 @@ 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
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12 changes: 6 additions & 6 deletions .github/workflows/run_tests.yml
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Expand Up @@ -21,11 +21,11 @@ jobs:
include:
- { name: linux-python3.9-minimum , test-tox-env: test-py39-minimum , build-tox-env: build-py39-minimum , python-ver: "3.9" , 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: 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-python3.9-minimum , test-tox-env: test-py39-minimum , build-tox-env: build-py39-minimum , python-ver: "3.9" , 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-python3.14-upgraded , test-tox-env: test-py314-upgraded , build-tox-env: build-py314-upgraded , python-ver: "3.14", os: windows-latest }
- { name: macos-python3.9-minimum , test-tox-env: test-py39-minimum , build-tox-env: build-py39-minimum , python-ver: "3.9" , 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: 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 @@ -80,9 +80,9 @@ jobs:
matrix:
include:
- { name: linux-gallery-python3.9-minimum , test-tox-env: gallery-py39-minimum , python-ver: "3.9" , 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-python3.14-upgraded , test-tox-env: gallery-py314-upgraded, python-ver: "3.14", os: ubuntu-latest }
- { name: windows-gallery-python3.9-minimum , test-tox-env: gallery-py39-minimum , python-ver: "3.9" , 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-python3.14-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 @@ -121,7 +121,7 @@ jobs:
matrix:
include:
- { name: conda-linux-python3.9-minimum , test-tox-env: test-py39-minimum , build-tox-env: build-py39-minimum , python-ver: "3.9" , 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-python3.14-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
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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -13,6 +13,8 @@
### Fixed
- 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

## PyNWB 3.1.3 (December 9, 2025)

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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 3.9, 3.10, 3.11, 3.12, or 3.13
#. Python 3.9, 3.10, 3.11, 3.12, 3.13, or 3.14
#. pip


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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 3.9, 3.10, 3.11, 3.12, or 3.13
#. Python 3.9, 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.
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1 change: 1 addition & 0 deletions pyproject.toml
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Expand Up @@ -23,6 +23,7 @@ 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",
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20 changes: 10 additions & 10 deletions tox.ini
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Expand Up @@ -4,7 +4,7 @@
# and then run "tox" from this directory.

[tox]
envlist = test-py{39,310,311,312,313}-pinned
envlist = test-py{39,310,311,312,313,314}-pinned
requires = pip >= 22.0

[testenv]
Expand Down Expand Up @@ -34,21 +34,21 @@ commands =
wheelinstall: python -c "import pynwb"

# list of pre-defined environments.
[testenv:test-py313-upgraded]
[testenv:test-py313-prerelease]
[testenv:test-py314-upgraded]
[testenv:test-py314-prerelease]
[testenv:test-py311-optional-pinned] # some optional reqs not compatible with py312 yet
[testenv:test-py{39,310,311,312,313}-pinned]
[testenv:test-py{39,310,311,312,313,314}-pinned]
[testenv:test-py39-minimum]

[testenv:gallery-py313-upgraded]
[testenv:gallery-py313-prerelease]
[testenv:gallery-py314-upgraded]
[testenv:gallery-py314-prerelease]
[testenv:gallery-py311-optional-pinned]
[testenv:gallery-py{39,310,311,312,313}-pinned]
[testenv:gallery-py{39,310,311,312,313,314}-pinned]
[testenv:gallery-py39-minimum]

[testenv:build-py313-upgraded]
[testenv:build-py313-prerelease]
[testenv:build-py{39,310,311,312,313}-pinned] # using tox for this so that we can have a clean build environment
[testenv:build-py314-upgraded]
[testenv:build-py314-prerelease]
[testenv:build-py{39,310,311,312,313,314}-pinned] # using tox for this so that we can have a clean build environment
[testenv:build-py39-minimum]

[testenv:wheelinstall] # use with `--installpkg dist/*-none-any.whl`
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