# 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.

## Contributors

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