NumPy 1.18.2 Release Notes

This small release contains a fix for a performance regression in numpy/random and several bug/maintenance updates.

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.


A total of 5 people contributed to this release. People with a “+” by their names contributed a patch for the first time.

  • Charles Harris

  • Ganesh Kathiresan +

  • Matti Picus

  • Sebastian Berg

  • przemb +

Pull requests merged

A total of 7 pull requests were merged for this release.

  • #15675: TST: move _no_tracing to testing._private

  • #15676: MAINT: Large overhead in some random functions

  • #15677: TST: Do not create gfortran link in azure Mac testing.

  • #15679: BUG: Added missing error check in ndarray.__contains__

  • #15722: MAINT: use list-based APIs to call subprocesses

  • #15729: REL: Prepare for 1.18.2 release.

  • #15734: BUG: fix logic error when nm fails on 32-bit