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# SciPy 1.5.3 Release Notes

SciPy 1.5.3 is a bug-fix release with no new features compared to 1.5.2. In particular, Linux ARM64 wheels are now available and a compatibility issue with XCode 12 has been fixed.

## Authors

- Peter Bell

- CJ Carey

- Thomas Duvernay +

- Gregory Lee

- Eric Moore

- odidev

- Dima Pasechnik

- Tyler Reddy

- Simon Segerblom Rex +

- Daniel B. Smith

- Will Tirone +

- Warren Weckesser

A total of 12 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 1.5.3

- #9611: Overflow error with new way of p-value calculation in kendall…

- #10069: scipy.ndimage.watershed_ift regression in 1.0.0

- #11260: BUG: DOP853 with complex data computes complex error norm, causing…

- #11479: RuntimeError: dictionary changed size during iteration on loading…

- #11972: BUG (solved): Error estimation in DOP853 ODE solver fails for…

- #12543: BUG: Picture rotated 180 degrees and rotated -180 degrees should…

- #12613: Travis X.4 and X.7 failures in master

- #12654: scipy.stats.combine_pvalues produces wrong results with method=’mudholkar_george’

- #12819: BUG: Scipy Sparse slice indexing assignment Bug with zeros

- #12834: BUG: ValueError upon calling Scipy Interpolator objects

- #12836: ndimage.median can return incorrect values for integer inputs

- #12860: Build failure with Xcode 12

### Pull requests for 1.5.3

- #12611: MAINT: prepare for SciPy 1.5.3

- #12614: MAINT: prevent reverse broadcasting

- #12617: MAINT: optimize: Handle nonscalar size 1 arrays in fmin_slsqp…

- #12623: MAINT: stats: Loosen some test tolerances.

- #12638: CI, MAINT: pin pytest for Azure win

- #12668: BUG: Ensure factorial is not too large in mstats.kendalltau

- #12705: MAINT: `openblas_support` added sha256 hash

- #12706: BUG: fix incorrect 1d case of the fourier_ellipsoid filter

- #12721: BUG: use special.sindg in ndimage.rotate

- #12724: BUG: per #12654 adjusted mudholkar_george method to combine p…

- #12726: BUG: Fix DOP853 error norm for complex problems

- #12730: CI: pin xdist for Azure windows

- #12786: BUG: stats: Fix formula in the `stats` method of the ARGUS…

- #12795: CI: Pin setuptools on windows CI

- #12830: [BUG] sparse: Avoid using size attribute in LIL __setitem__

- #12833: BUG: change list of globals items to list of a copy

- #12842: BUG: Use uint16 for cost in NI_WatershedElement

- #12845: BUG: avoid boolean or integer addition error in ndimage.measurements.median

- #12864: BLD: replace the #include of libqull_r.h with with this of qhull_ra.h…

- #12867: BUG: Fixes a ValueError yielded upon calling Scipy Interpolator…

- #12902: CI: Remove ‘env’ from pytest.ini

- #12913: MAINT: Ignore pytest’s PytestConfigWarning