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chore(deps-dev): bump cython from 3.2.6 to 3.2.9 - #1811

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chore(deps-dev): bump cython from 3.2.6 to 3.2.9#1811
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Bumps cython from 3.2.6 to 3.2.9.

Changelog

Sourced from cython's changelog.

3.2.9 (2026-07-24)

Bugs fixed

  • Indexing into freshly created lists with an out-of-bounds index could crash. (Github issue :issue:7793)

  • Function arguments with default values could end up uninitialised in closures, leading to crashes. Patch by Anthony Donlon. (Github issue :issue:7782)

  • bytearray.append(None) could crash. The optimised code was also lacking concurrency guards. (Github issue :issue:7796)

  • Some rare corner cases when concatenating text strings were resolved. (Github issue :issue:7799)

  • Assignments of builtin string types to typedefs of object could erroneously be rejected. (Github issue :issue:7789)

  • Subscripting type failed with a TypeError. (Github issue :issue:5563)

  • Manually disabling CYTHON_VECTORCALL in CPython could lead to invalid C code. Patch by Florent Gallaire. (Github issue :issue:7807)

  • Some internal Limited API version checks for Py3.12 were corrected. (Github issue :issue:7845)

3.2.8 (2026-06-30)

Bugs fixed

  • Assigning a Python 3.14+ .__annotate__ function to a Cython compiled function no longer evaluates annotations eagerly. Fixes a regression with @functools.wraps() in Cython 3.2.6. Patch by Jelle Zijlstra. (Github issue :issue:7767)

  • In freethreading Python, the necessary object keep-alive while executing user code in .__dealloc__() uses a safer scheme. Patch by Yaxing Cai. (Github issue :issue:7769)

  • The local function state used by sys.monitoring read from uninitialised memory. (Github issue :issue:7774)

  • The .ag_running flag attribute of async generators was always false on big-endian systems.

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Bumps [cython](https://github.com/cython/cython) from 3.2.6 to 3.2.9.
- [Release notes](https://github.com/cython/cython/releases)
- [Changelog](https://github.com/cython/cython/blob/master/CHANGES.rst)
- [Commits](cython/cython@3.2.6...3.2.9)

---
updated-dependencies:
- dependency-name: cython
  dependency-version: 3.2.9
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file python Pull requests that update Python code labels Jul 27, 2026
@codspeed-hq

codspeed-hq Bot commented Jul 27, 2026

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Merging this PR will not alter performance

✅ 21 untouched benchmarks


Comparing dependabot/pip/cython-3.2.9 (f5753c4) with master (fce7094)

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