SciPy 1.5.4 Release Notes#

SciPy 1.5.4 is a bug-fix release with no new features compared to 1.5.3. Importantly, wheels are now available for Python 3.9 and a more complete fix has been applied for issues building with XCode 12.

Authors#

  • Peter Bell

  • CJ Carey

  • Andrew McCluskey +

  • Andrew Nelson

  • Tyler Reddy

  • Eli Rykoff +

  • Ian Thomas +

A total of 7 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 1.5.4#

  • #12763: ndimage.fourier_ellipsoid segmentation fault

  • #12789: TestConvolve2d.test_large_array failing on Windows ILP64 CI job

  • #12857: sparse A[0,:] = ndarray is ok, A[:,0] = ndarray ValueError from…

  • #12860: BUG: Build failure with Xcode 12

  • #12935: Failure to build with Python 3.9.0 on macOS

  • #12966: MAINT: lint_diff.py on some backport PRs

  • #12988: BUG: Highly multi-dimensional `gaussian_kde` giving `-inf`…

Pull requests for 1.5.4#

  • #12790: TST: Skip TestConvolve2d.test_large_array if not enough memory

  • #12851: BUG: sparse: fix inner indexed assignment of a 1d array

  • #12875: BUG: segfault in ndimage.fourier_ellipsoid with length-1 dims

  • #12937: CI: macOS3.9 testing

  • #12957: MAINT: fixes XCode 12/ python 3.9.0 build for 1.5.x maint branch

  • #12959: CI: add Windows Python 3.9 to CI

  • #12974: MAINT: Run lint_diff.py against the merge target and only for…

  • #12978: DOC: next_fast_len output doesn’t match docstring

  • #12979: BUG: fft.next_fast_len should accept keyword arguments

  • #12989: BUG: improved the stability of kde for highly (1000s) multi-dimension…

  • #13017: BUG: Add explicit cast to _tmp sum.

  • #13022: TST: xfail test_maxiter_worsening()

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