NumPy 1.18.3 Release Notes#

This release contains various bug/regression fixes.

The Python versions supported in this release are 3.5-3.8. Downstream developers should use Cython >= 0.29.15 for Python 3.8 support and OpenBLAS >= 3.7 to avoid errors on the Skylake architecture.

Highlights#

  • Fix for the method=’eigh’ and method=’cholesky’ methods in numpy.random.multivariate_normal. Those were producing samples from the wrong distribution.

Contributors#

A total of 6 people contributed to this release. People with a “+” by their names contributed a patch for the first time.

  • Charles Harris

  • Max Balandat +

  • @Mibu287 +

  • Pan Jan +

  • Sebastian Berg

  • @panpiort8 +

Pull requests merged#

A total of 5 pull requests were merged for this release.

  • #15916: BUG: Fix eigh and cholesky methods of numpy.random.multivariate_normal

  • #15929: BUG,MAINT: Remove incorrect special case in string to number…

  • #15930: BUG: Guarantee array is in valid state after memory error occurs…

  • #15954: BUG: Check that pvals is 1D in _generator.multinomial.

  • #16017: BUG: Alpha parameter must be 1D in generator.dirichlet

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