MAINT Add Python 3.14 support by cclauss · Pull Request #1130 · microsoft/PyRIT

cclauss · 2025-10-14T12:29:42Z

https://www.python.org/downloads/release/python-3140/

Changes

CI matrix

main-job:
    strategy:
      matrix:
-       python: ["3.10", "3.11", "3.12", "3.13"]
+       python: ["3.10", "3.11", "3.12", "3.13", "3.14"]

Note: 3.14t (free-threaded / no-GIL build) is not yet included — too many dependencies lack free-threaded wheels.

Add Python 3.14 to CI test matrix
Bump requires-python upper bound to <3.15
Add Programming Language :: Python :: 3.14 classifier
Bump GitHub Actions (checkout v5, setup-python v6, cache v4)
Set fail-fast: false so all matrix jobs run even if one fails
Gate gradio and spacy with python_version < '3.14' (not yet compatible)
Upgrade numpy in lockfile (2.2.6 → 2.4.4 for Python 3.14) to fix Windows segfault

`uv sync --python=3.14` blockers

Package	Issue	Status
~~pyodbc~~	mkleehammer/pyodbc#1444	✅ Solved in pyodbc v5.3.0
~~torch~~	pytorch/pytorch#156856	✅ Solved — cp314 wheels available since torch 2.9+
~~numpy~~	No cp314 Windows wheels in 2.2.x	✅ Solved — lockfile upgraded, resolves numpy 2.4.4 for 3.14
gradio	gradio-app/gradio#12118	❌ Gated with `python_version < '3.14'`
spacy	explosion/spaCy#13870	❌ Gated with `python_version < '3.14'` (pydantic v1 incompatible)
semantic-kernel	microsoft/semantic-kernel#13261	⚠️ Not a PyRIT dependency
datasets	apache/arrow#47438	⚠️ Pure Python — installs fine, underlying pyarrow may have issues

Also bumped (could be automated by Dependabot):

Tests and Documentation

No new tests needed — this is a CI/packaging change. Existing unit tests validate Python 3.14 compatibility.

romanlutz · 2025-10-15T01:30:26Z

Looks like it's failing right now. There may be a few dependencies that aren't yet 3.14 compatible, of course.

cclauss · 2025-10-15T05:45:13Z

Yes. The blockers I see so far are:

Are there others?

romanlutz · 2025-10-15T18:22:18Z

Yes. The blockers I see so far are:

https://github.com/explosion/cython-blis fails to build explosion/spaCy#13870

Python 3.14 support for PyTorch pytorch/pytorch#156856

Are there others?

Agreed. ~~I'm checking to see what pulls in spaCy anyway since that's a decent-sized dependency we don't use (I think)~~
Spacy is part of a recent extra addition.

romanlutz · 2025-10-16T03:16:46Z

Heads up I'll leave this open until everything works fine in 3.14 and 3.14t because people expect things to work.

cclauss · 2025-10-16T13:58:16Z

% uv sync --python=3.14 is blocked by:

datasets [Python][Packaging] Support Python 3.14 and upload wheels apache/arrow#47438
gradio https://github.com/gradio-app/gradio
pyodbc Wheels for Python 3.14 mkleehammer/pyodbc#1444
semantic-kernel https://github.com/microsoft/semantic-kernel
spacy https://github.com/explosion/cython-blis fails to build explosion/spaCy#13870
torch Python 3.14 support for PyTorch pytorch/pytorch#156856

romanlutz · 2025-10-16T17:34:00Z

I'm about to remove semantic-kernel in #1005 but the others are all important.

romanlutz · 2026-02-06T18:47:30Z

@cclauss are you still interested in continuing with this? No pressure, just wanted to check in since it's been a while since we checked in on this.

- Bump requires-python upper bound from <3.14 to <3.15 - Add Python 3.14 classifier - Add Python 3.14 to CI test matrix - Add python_version < 3.14 marker for gradio (blocked by pydantic-core) - Bump actions/checkout v3->v5, actions/setup-python v3->v6, actions/cache v3->v4 Blockers resolved since PR microsoft#1130 was opened: - datasets/PyArrow: supported since PyArrow 22+ - pyodbc: supported since v5.3.0 - spacy: supported since v3.8.10 - torch: supported since PyTorch 2.10 - semantic-kernel: removed from dependencies Remaining blocker (optional extra only): - gradio: blocked by pydantic-core missing 3.14 wheels Relates to microsoft#1130 Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

uv lock --upgrade-package numpy resolves numpy 2.4.4 for Python 3.14, which includes cp314 Windows wheels. numpy 2.2.6 had no Python 3.14 wheels, causing a source build that segfaulted on Windows. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

romanlutz · 2026-04-15T13:35:33Z

Note: for v0.13.0 we're removing gradio as a dependency. I suggest we wait until 0.12.2 is released so that we can remove gradio for 0.13.0 which will simplify some of the py3.14-related concerns.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

spacy 3.8.14 has the 3.14 classifier on PyPI but still crashes at runtime due to pydantic v1 incompatibility (ConfigError on REGEX). Also broaden the except clause in is_spacy_installed() to catch non-ImportError failures during import. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

spacy 3.8.12+ migrated off pydantic v1 via confection v1.3 + thinc v8.3.13, providing full Python 3.14 support. The lockfile was pinning 3.8.11 which still used pydantic v1 and crashed on 3.14. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

spacy 3.8.12 and 3.8.13 have cp314 wheels but 3.8.14 dropped them. Pin to >=3.8.13,!=3.8.14 so the resolver picks 3.8.13 for Python 3.14 until a fixed release is available. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

romanlutz reviewed Oct 14, 2025

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Comment thread .github/workflows/build_and_test.yml Outdated

cclauss force-pushed the patch-1 branch from 386db40 to 0a32af6 Compare October 14, 2025 20:38

cclauss requested a review from romanlutz October 14, 2025 22:23

cclauss force-pushed the patch-1 branch from 264af49 to 5f854b4 Compare October 15, 2025 05:45

cclauss marked this pull request as draft October 16, 2025 05:51

cclauss changed the title ~~TEST: GitHub Actions: Add Python 3.14 and 3.14t to the testing~~ [DRAFT] TEST: GitHub Actions: Add Python 3.14 and 3.14t to the testing Oct 16, 2025

romanlutz self-assigned this Jan 3, 2026

romanlutz changed the title ~~[DRAFT] TEST: GitHub Actions: Add Python 3.14 and 3.14t to the testing~~ MAINT Add Python 3.14 and 3.14t support Feb 27, 2026

romanlutz force-pushed the patch-1 branch from e547ee6 to 242b814 Compare February 27, 2026 23:42

romanlutz force-pushed the patch-1 branch from 242b814 to 25ad1dc Compare February 28, 2026 14:00

romanlutz force-pushed the patch-1 branch from 25ad1dc to 1a265c5 Compare February 28, 2026 14:49

romanlutz force-pushed the patch-1 branch from 1a265c5 to 6ce41c5 Compare February 28, 2026 14:51

romanlutz and others added 2 commits April 13, 2026 16:11

Merge branch 'main' into patch-1

a44d990

romanlutz changed the title ~~MAINT Add Python 3.14 and 3.14t support~~ MAINT Add Python 3.14 support Apr 15, 2026

Merge branch 'main' into patch-1

e6b06f5

cclauss marked this pull request as ready for review April 15, 2026 13:22

cclauss commented Apr 15, 2026

View reviewed changes

Comment thread tests/unit/executor/benchmark/test_fairness_bias.py

romanlutz and others added 6 commits April 15, 2026 11:18

Use ImportError instead of blind Exception for spacy import check

218c271

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Merge remote-tracking branch 'cclauss/patch-1' into pr-1130

f93dcf2

Merge origin/main and re-resolve numpy for Python 3.14

66e0f9c

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Merge origin/main into patch-1

29eebf7

Revert fail-fast to true

3484c9a

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Merge remote-tracking branch 'origin/main' into patch-1

62e33a8

romanlutz approved these changes Apr 22, 2026

View reviewed changes

romanlutz and others added 3 commits April 22, 2026 15:20

Exclude spacy 3.8.14 (missing cp314 wheels)

c5f9752

spacy 3.8.12 and 3.8.13 have cp314 wheels but 3.8.14 dropped them. Pin to >=3.8.13,!=3.8.14 so the resolver picks 3.8.13 for Python 3.14 until a fixed release is available. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

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MAINT Add Python 3.14 support#1130

MAINT Add Python 3.14 support#1130
cclauss wants to merge 13 commits intomicrosoft:mainfrom
cclauss:patch-1

cclauss commented Oct 14, 2025 •

edited by romanlutz

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Changes

CI matrix

uv sync --python=3.14 blockers

Tests and Documentation

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cclauss commented Oct 14, 2025 •

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`uv sync --python=3.14` blockers

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