.. currentmodule:: numpy

========================== 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 <https://github.com/numpy/numpy/pull/15916>__: BUG: Fix eigh and cholesky methods of numpy.random.multivariate_normal
• #15929 <https://github.com/numpy/numpy/pull/15929>__: BUG,MAINT: Remove incorrect special case in string to number...
• #15930 <https://github.com/numpy/numpy/pull/15930>__: BUG: Guarantee array is in valid state after memory error occurs...
• #15954 <https://github.com/numpy/numpy/pull/15954>__: BUG: Check that pvals is 1D in _generator.multinomial.
• #16017 <https://github.com/numpy/numpy/pull/16017>__: BUG: Alpha parameter must be 1D in generator.dirichlet