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# SciPy 1.9.2 Release Notes

SciPy 1.9.2 is a bug-fix release with no new features compared to 1.9.1. It also provides wheel for Python 3.11 on several platforms.

## Authors

- Hood Chatham (1)

- Thomas J. Fan (1)

- Ralf Gommers (22)

- Matt Haberland (5)

- Julien Jerphanion (1)

- Loïc Estève (1)

- Nicholas McKibben (2)

- Naoto Mizuno (1)

- Andrew Nelson (3)

- Tyler Reddy (28)

- Pamphile Roy (1)

- Ewout ter Hoeven (2)

- Warren Weckesser (1)

- Meekail Zain (1) +

A total of 14 people contributed to this release. People with a “+” by their names contributed a patch for the first time. This list of names is automatically generated, and may not be fully complete.

### Issues closed for 1.9.2

- #16545: BUG: 1.9.0rc1: `OptimizeResult` not populated when `optimize.milp`…

- #16569: BUG: `sparse.hstack` returns incorrect result when the stack…

- #16898: BUG: optimize.minimize backwards compatability in scipy 1.9

- #16935: BUG: using msvc + meson to build scipy –> cl cannot be used…

- #16952: BUG: error from `scipy.stats.mode` with `NaN`s, `axis !=…

- #16964: BUG: scipy 1.7.3 wheels on PyPI require numpy<1.23 in contradiction…

- #17026: BUG: ncf_gen::ppf(..) causes segfault

- #17050: Pearson3 PPF does not function properly with negative skew.

- #17124: BUG: OSX-64 Test failure test_ppf_against_tables getting NaN

### Pull requests for 1.9.2

- #16628: FIX: Updated dtype resolution in `_stack_along_minor_axis`

- #16814: FIX: milp: return feasible solutions if available on time out

- #16842: ENH: cibuildwheel infrastructure

- #16909: MAINT: minimize, restore squeezed ((1.0)) addresses #16898

- #16911: REL: prep for SciPy 1.9.2

- #16922: DOC: update version switcher for 1.9.1 and pin theme to 0.9

- #16934: MAINT: cast `linear_sum_assignment` to PyCFunction

- #16943: BLD: use compiler flags in a more portable way

- #16954: MAINT: stats.mode: fix bug with `axis!=1`, `nan_policy=’omit’`,…

- #16966: MAINT: fix NumPy upper bound

- #16969: BLD: fix usage of `get_install_data`, which defaults to purelib

- #16975: DOC: Update numpy supported versions for 1.9.2

- #16991: BLD: fixes for building with MSVC and Intel Fortran

- #17011: Rudimentary test for manylinux_aarch64 with cibuildwheel

- #17013: BLD: make MKL detection a little more robust, add notes on TODOs

- #17046: CI: Update cibuildwheel to 2.10.1

- #17055: MAINT: stats.pearson3: fix ppf for negative skew

- #17064: BUG: Fix numerical precision error of `truncnorm.logcdf` when…

- #17096: FIX: ensure a hold on GIL before raising warnings/errors

- #17127: TST: stats.studentized_range: fix incorrect test

- #17131: MAINT: pyproject.toml: Update build system requirements

- #17132: MAINT: 1.9.2 backports