NumPy 1.19.1 released.

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NumPy 1.19.1 released.

Charles R Harris
Hi All,

On behalf of the NumPy team I am pleased to announce that NumPy 1.19.1 has been released. This release supports Python 3.6-3.8 and may be built with the latest Python 3.9 beta.  It fixes several bugs found in the 1.19.0 release, replaces several functions deprecated in the upcoming Python-3.9 release, has improved support for AIX, and has a number of development related updates to keep CI working with recent upstream changes. 

Downstream developers should use Cython >= 0.29.21 when building for Python 3.9 and Cython >= 0.29.16 when building for Python 3.8. OpenBLAS >= 3.7 is needed to avoid wrong results on the Skylake architecture. The NumPy Wheels for this release can be downloaded from PyPI, source archives, release notes, and wheel hashes are available from Github. Linux users will need pip >= 0.19.3 in order to install manylinux2010 and manylinux2014 wheels.


A total of 15 people contributed to this release.  People with a "+" by their
names contributed a patch for the first time.

  • Abhinav Reddy +
  • Anirudh Subramanian
  • Antonio Larrosa +
  • Charles Harris
  • Chunlin Fang
  • Eric Wieser
  • Etienne Guesnet +
  • Kevin Sheppard
  • Matti Picus
  • Raghuveer Devulapalli
  • Roman Yurchak
  • Ross Barnowski
  • Sayed Adel
  • Sebastian Berg
  • Tyler Reddy

Pull requests merged

A total of 25 pull requests were merged for this release.

  • #16649: MAINT, CI: disable Shippable cache
  • #16652: MAINT: Replace PyUString_GET_SIZE with PyUnicode_GetLength.
  • #16654: REL: Fix outdated docs link
  • #16656: BUG: raise IEEE exception on AIX
  • #16672: BUG: Fix bug in AVX complex absolute while processing array of...
  • #16693: TST: Add extra debugging information to CPU features detection
  • #16703: BLD: Add CPU entry for Emscripten / WebAssembly
  • #16705: TST: Disable Python 3.9-dev testing.
  • #16714: MAINT: Disable use_hugepages in case of ValueError
  • #16724: BUG: Fix PyArray_SearchSorted signature.
  • #16768: MAINT: Fixes for deprecated functions in scalartypes.c.src
  • #16772: MAINT: Remove unneeded call to PyUnicode_READY
  • #16776: MAINT: Fix deprecated functions in scalarapi.c
  • #16779: BLD, ENH: Add RPATH support for AIX
  • #16780: BUG: Fix default fallback in genfromtxt
  • #16784: BUG: Added missing return after raising error in methods.c
  • #16795: BLD: update cython to 0.29.21
  • #16832: MAINT: setuptools 49.2.0 emits a warning, avoid it
  • #16872: BUG: Validate output size in bin- and multinomial
  • #16875: BLD, MAINT: Pin setuptools
  • #16904: DOC: Reconstruct Testing Guideline.
  • #16905: TST, BUG: Re-raise MemoryError exception in test_large_zip's...
  • #16906: BUG, DOC: Fix bad MPL kwarg.
  • #16916: BUG: Fix string/bytes to complex assignment
  • #16922: REL: Prepare for NumPy 1.19.1 release

Charles Harris

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