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[Feature]: Add support for Python 3.14 #2143

@rly

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@rly

What would you like to see added to PyNWB?

Python 3.14 was released on Oct 7, 2025. Packages are starting to add support for Python 3.14, and we should do the same.

Is your feature request related to a problem?

No response

What solution would you like?

Add CI testing for Python 3.14 and note support in pyproject.toml and docs.

Do you have any interest in helping implement the feature?

Yes.

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category: enhancementimprovements of code or code behaviorpriority: mediumnon-critical problem and/or affecting only a small set of NWB userstopic: dependenciesupdates to dependenciestopic: docsissues related to documentation

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